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WO2020200063A1 - Procédé de réveil et dispositif associé - Google Patents

Procédé de réveil et dispositif associé Download PDF

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Publication number
WO2020200063A1
WO2020200063A1 PCT/CN2020/081551 CN2020081551W WO2020200063A1 WO 2020200063 A1 WO2020200063 A1 WO 2020200063A1 CN 2020081551 W CN2020081551 W CN 2020081551W WO 2020200063 A1 WO2020200063 A1 WO 2020200063A1
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WIPO (PCT)
Prior art keywords
wake
signal
initialization
terminal device
initialization parameter
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Ceased
Application number
PCT/CN2020/081551
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English (en)
Chinese (zh)
Inventor
薛丽霞
张旭
铁晓磊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2020200063A1 publication Critical patent/WO2020200063A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular to a wake-up method and related devices.
  • the terminal device can save energy consumption by turning off some of the modules used for sending and/or receiving signals, thereby increasing the standby time of the terminal device.
  • it is necessary to introduce a wake-up mechanism for the terminal device in the sleep state in the communication system.
  • a network device sends initialization parameters to a terminal device, and then the network device can determine a wake-up signal according to the initialization parameters, and then the network device will send a wake-up signal to the terminal device. If the wake-up signal matches the wake-up signal determined by the terminal device according to the initialization parameter, the terminal device executes the wake-up procedure.
  • the initialization parameters sent by the network device to the terminal device can determine the physical downlink control channel PDCCH signal, and can also determine the wake-up signal.
  • the network device uses the initialization parameter to determine the physical downlink control channel PDCCH signal, and sends the physical downlink control channel PDCCH signal to the terminal device, it may cause the terminal device to mistake the physical downlink control channel PDCCH signal as a wake-up signal. Therefore, the terminal device is woken up by mistake to perform a meaningless wake-up operation, thereby increasing the energy consumption of the terminal device.
  • the embodiments of the present application provide a wake-up method and related devices to improve the accuracy of the wake-up operation.
  • an embodiment of the present application provides a wake-up method, including: before the network device wakes up the terminal device, the network device may send the first high-level signaling related to the wake-up signal to the terminal device, wherein the first The higher layer signaling includes information for configuring the first initialization parameter of the first wake-up signal. Then, the network device may determine a first wake-up signal according to the first initialization parameter, and send the first wake-up signal to the terminal device, so that the terminal device decides whether to wake up after receiving the first wake-up signal.
  • the network device sends the first high-layer signaling related to the wake-up signal to the terminal device, and the first high-layer signaling includes information used to configure the first initialization parameter of the first wake-up signal.
  • the network device may determine the first wake-up signal according to the first initialization parameter. Because the first initialization parameter that determines the first wake-up signal comes from the first high-layer signaling instead of the high-layer signaling for configuring the physical downlink control channel PDCCH signal. Therefore, the determined first wake-up signal is different from the determined physical downlink control channel PDCCH signal.
  • the terminal device can distinguish the first wake-up signal and the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as the wake-up signal, thereby improving the accuracy of the wake-up operation.
  • the method further includes: the network device determines the second higher layer signaling related to the control resource set CORESET, and the second higher layer signaling is used for Configure the control resource set CORESET where the first wake-up signal is located.
  • the network device can determine the second higher layer signaling related to the control resource set CORESET.
  • the second higher layer signaling is used to configure the control resource set CORESET where the first wake-up signal is located.
  • the signaling may include the first high layer signaling, or may be independent of the first high layer signaling, which is not specifically limited here.
  • because the second high layer signaling and the first high layer signaling are different high layer signaling. Therefore, when different high-level signaling is used to configure the wake-up signal, it can be distinguished from the physical downlink control channel PDCCH signal. Therefore, the probability that the physical downlink control channel PDCCH signal is mistaken for a wake-up signal can be reduced.
  • the second high-layer signaling includes the first configuration for configuring the physical downlink control channel PDCCH in the control resource set CORESET 2.
  • Information about initialization parameters includes the first configuration for configuring the physical downlink control channel PDCCH in the control resource set CORESET 2.
  • the second high-layer signaling includes a second initialization parameter, and the second initialization parameter is different from the first initialization parameter.
  • both the second initialization parameter and the first initialization parameter can be configured by the network device and sent to the terminal device. Therefore, the feasibility of the scheme is improved.
  • the method further includes: the network device determines, according to the pre-configuration information, a physical parameter in the control resource set CORESET where the first wake-up signal is configured.
  • the second initialization parameter of the downlink control channel PDCCH is configured.
  • the second initialization parameter is not configured by the network device, but is pre-configured before the network device wants to wake up the terminal device. Therefore, the second initialization parameter can be determined according to the pre-configuration information. Therefore, the implementation flexibility of the scheme is enhanced.
  • the network device determines the first wake-up signal according to the first initialization parameter It includes: the network device determines a first wake-up signal according to the first initialization parameter and the second initialization parameter.
  • the network device can determine the first wake-up signal according to the first initialization parameter and the second initialization parameter. Therefore, the generated first wake-up signal can be distinguished from the wake-up signal generated only by the second initialization parameter.
  • the first wake-up signal generated by using two different initialization parameters has a larger range than the first wake-up signal generated by using one initialization parameter. Therefore, the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells can be reduced, and therefore, the interference between adjacent cells can be reduced.
  • the network device determining the first wake-up signal according to the first initialization parameter and the second initialization parameter includes: the network The device determines a first initialization value according to the first initialization parameter and the second initialization parameter; the network device determines the first wake-up signal according to the first initialization value.
  • a method of generating the first wake-up signal according to the first initialization parameter and the second initialization parameter is further provided, that is, the first initialization value is generated according to the first initialization parameter and the second initialization parameter, and then, Then, the first wake-up signal is generated according to the first initialization value. Therefore, the specific implementation method of the scheme is clarified and the feasibility of the scheme is improved.
  • the network device determining the first wake-up signal according to the first initialization parameter includes: the network device determining the second initialization parameter according to the first initialization parameter Value; the network device determines the first wake-up signal according to the second initialization value.
  • the first initialization parameter is used to generate the second initialization value, and then the second initialization value is used to determine the first wake-up signal.
  • the second initialization value determined by using the first initialization parameter is different from the initialization value in the prior art. Therefore, the first wake-up signal determined by using the second initialization value can be different from the physical downlink control channel PDCCH signal in the prior art. Therefore, the first wake-up signal and the physical downlink control channel PDCCH signal can be distinguished, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as the wake-up signal, thereby improving the accuracy of the wake-up operation.
  • the first high-layer signaling includes Configure the information of the scrambling code initialization parameter of the first wake-up signal; the method further includes: the network device determines a third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter; The first initialization value and the third initialization value determine the first wake-up signal; or, the network device determines the first wake-up signal according to the second initialization value and the third initialization value.
  • the first high-layer signaling also includes information used to configure the first wake-up signal.
  • the scrambling code initialization parameter information where the scrambling code initialization parameter is different from the aforementioned first initialization parameter and second initialization parameter.
  • the network device may determine the third initialization value according to the wireless network temporary identifier of the terminal device and/or the scrambling code initialization parameter. Then, the network device may determine the first wake-up signal according to the first initialization value and the third initialization value; or, the network device may also determine the first wake-up signal according to the second initialization value and the third initialization value. The first wake-up signal.
  • the network device may determine different initialization values according to different initialization parameters, and further, determine the first wake-up signal according to different initialization values. Therefore, the first wake-up signal determined by this embodiment is more diverse than the physical downlink control channel PDCCH signal in the prior art. Therefore, it is possible to reduce the probability that the terminal equipment mistakes the physical downlink control channel PDCCH signal as a wake-up signal, and also reduce the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells. Therefore, The interference between adjacent cells can be reduced, thereby improving the accuracy of the wake-up operation.
  • the first initialization parameter is the scrambling code initialization parameter of the first wake-up signal; the method further includes: the network device according to the wireless of the terminal device The network temporary identifier and/or the scrambling code initialization parameter determines a third initialization value; the network device determines the first wake-up signal according to the third initialization value.
  • the first initialization parameter is the scrambling code initialization parameter of the first wake-up signal.
  • the first initialization parameter configured by the first high-layer signaling can replace the scrambling code initialization parameter in the prior art to determine the third initialization value, and then determine the first wake-up signal according to the third initialization value. Since the first initialization parameter is determined by the network device, the third initialization value determined by using the first initialization parameter may be different from the initialization value in the prior art.
  • the first wake-up signal determined by the third initialization value is different from the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving the accuracy of the wake-up operation .
  • the first high-level signaling is also Includes information for configuring the content of the wake-up signal
  • the information for configuring the content of the wake-up signal includes identification information or bandwidth indication information of the terminal device
  • the bandwidth indication information is used to indicate the bandwidth of the terminal device to receive data sent by the network device
  • the method further includes: the network device determines the first wake-up signal according to the information used to configure the content of the wake-up signal, the first initialization value, and the third initialization value; or, the network device determines the first wake-up signal according to the The information configuring the content of the wake-up signal, the second initialization value, and the third initialization value determine the first wake-up signal.
  • the first high-layer signaling also includes information for configuring the content of the wake-up signal, where the information for configuring the content of the wake-up signal includes The identification information or bandwidth indication information of the terminal device, where the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device. Therefore, when the information used to configure the content of the wake-up signal and the aforementioned various initialization values are used to determine the first wake-up signal, not only the diversity of the first wake-up signal can be increased, but also identification information, bandwidth indication information, and other information can be carried. information. Therefore, when the terminal device receives the first wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • the network device determines the first wake-up signal according to the information used to configure the content of the wake-up signal and the first initialization value.
  • the network device may also determine the first wake-up signal according to the information used to configure the content of the wake-up signal and the first initialization parameter. Not only can the diversity of the first wake-up signal be improved, but also identification information, bandwidth indication information and other information can be carried. Therefore, when the terminal device receives the first wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • the network device determines the first wake-up signal according to the information used to configure the content of the wake-up signal and a third initialization value.
  • the network device may also determine the first wake-up signal according to the information used to configure the content of the wake-up signal and the third initialization parameter. Not only can the diversity of the first wake-up signal be improved, but also identification information, bandwidth indication information and other information can be carried. Therefore, when the terminal device receives the first wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • the network device determines the first wake-up signal according to the information used to configure the content of the wake-up signal and the second initialization value.
  • the network device may also determine the first wake-up signal according to the information used to configure the content of the wake-up signal and the second initialization parameter. Not only can the diversity of the first wake-up signal be improved, but it can also carry identification information, bandwidth indication information and other information. Therefore, when the terminal device receives the first wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • l is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the N ID is the second initialization parameter
  • the N ID0 is the first initialization parameter.
  • An initialization parameter where l is the number of the orthogonal frequency division multiplexing OFDM symbol, the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u, and the N slot symb is the OFDM included in the time slot Number of symbols.
  • the N ID is the second initialization parameter
  • the N ID0 is the first initialization parameter.
  • Initialization parameters of PDCCH DMRS where l is the number of orthogonal frequency division multiplexing OFDM symbols, where n u s, f is the number of time slots included in the radio frame when the subcarrier width is u, and the N slot symb is the time slot The number of OFDM symbols included.
  • the formula 3 replaces "2N ID " with "2N ID0 " in comparison with the formula 1. Since "2N ID0 " and “2N ID " can be different, and “2N ID0 " will also be multiplied by "(N slot symb ⁇ n u s, f +l+1)", formula 3 is used to calculate The obtained first initialization value is more diverse than the first initialization value calculated by using Formula 1, thereby reducing the probability of having the same first initialization value as the PDCCH signal.
  • the formula 4 replaces "2N ID " with "2N ID0 " in comparison with the formula 1. Since "2N ID0 " and “2N ID " may be different, the first initialization value calculated by formula 4 is more diverse than the first initialization value calculated by formula 1, thereby reducing the The PDCCH signal has the same probability of initializing the value.
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the second PDCCH DMRS initialization parameters, where l is the number of orthogonal frequency division multiplexing OFDM symbols, n u s, f is the number of slots included in the radio frame when the subcarrier width is u, and N slot symb is the number of slots included in the slot Number of OFDM symbols.
  • the formula 5 replaces "2N ID "with “2N ID0 ", and replaces "2N ID +1" with "N ID +N ID0 +1". Since "2N ID0 " and “2N ID " can be different, and "N ID +N ID0 +1” will also be multiplied by "(N slot symb ⁇ n u s, f +l+1)", so , The first initialization value calculated using formula 5 is more diverse than the first initialization value calculated using formula 1, thereby reducing the probability of having the same first initialization value as the PDCCH signal.
  • the number of n u s, f is the number of slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the slot.
  • the second initialization value only includes the first initialization parameter N ID0 .
  • N ID0 the first initialization parameter
  • the first wake-up signal determined by using the second initialization value can be distinguished from the physical downlink control channel PDCCH signal, which can reduce the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving The accuracy of the wake-up operation.
  • the first initialization parameter is determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located ;
  • the n ID is a scrambling code initialization parameter.
  • the scrambling code initialization parameter may be separately configured by the network device in the first higher layer signaling, or may be included in the foregoing first initialization parameter, which is not specifically limited here.
  • the third initialization value determined by using "n RNTI "and "n ID " is different from the initialization value in the prior art. Therefore, the first wake-up signal determined by using the third initialization value can be distinguished from the physical downlink control channel PDCCH signal, thereby reducing the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving The accuracy of the wake-up operation.
  • the scrambling code initialization parameter is determined based on the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located.
  • the embodiments of the present application provide a wake-up method, including: when the network device is ready to wake up a certain terminal device, the terminal device can receive the first high-level signaling related to the wake-up signal sent by the network device, where , The first high-level signaling includes information for configuring the first initialization parameter of the second wake-up signal; then, the terminal device determines the second wake-up signal according to the first initialization parameter, and the second wake-up signal is used to detect the network The first wake-up signal sent by the device.
  • the terminal device may receive the first high-layer signaling related to the wake-up signal sent by the network device, and the first high-layer signaling includes information for configuring the first initialization parameter of the second wake-up signal.
  • the terminal device may determine the second wake-up signal according to the first initialization parameter. Therefore, the second wake-up signal can be used to detect the first wake-up signal sent by the network device. Because the first initialization parameter for determining the second wake-up signal comes from the first high-layer signaling rather than the high-layer signaling for configuring the physical downlink control channel PDCCH signal. Therefore, the determined second wake-up signal is different from the determined physical downlink control channel PDCCH signal.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device, it can distinguish between the first wake-up signal and the physical downlink control channel PDCCH signal, which reduces the terminal device’s misunderstanding of the physical downlink control channel PDCCH signal.
  • the probability of the wake-up signal further improves the accuracy of the wake-up operation.
  • the method further includes: the terminal device determines the second higher layer signaling related to the control resource set CORESET, and the second higher layer signaling is used for Configure the control resource set CORESET where the second wake-up signal is located.
  • the terminal device can determine the second higher layer signaling related to the control resource set CORESET.
  • the second higher layer signaling is used to configure the control resource set CORESET where the second wake-up signal is located.
  • the signaling may include the first high layer signaling, or may be independent of the first high layer signaling, which is not specifically limited here.
  • because the second high layer signaling and the first high layer signaling are different high layer signaling. Therefore, when different high-level signaling is used to configure the wake-up signal, it can be distinguished from the physical downlink control channel PDCCH signal. Therefore, the probability that the physical downlink control channel PDCCH signal is mistaken for a wake-up signal can be reduced.
  • the second high-level signaling includes the first configuration of the physical downlink control channel PDCCH in the control resource set CORESET. 2. Information about initialization parameters.
  • the second high-layer signaling includes a second initialization parameter, and the second initialization parameter is different from the first initialization parameter.
  • both the second initialization parameter and the first initialization parameter can be configured by the network device and sent to the terminal device. Therefore, the feasibility of the scheme is improved.
  • the method further includes: the terminal device determines, according to the pre-configuration information, the physical information in the control resource set CORESET where the second wake-up signal is configured.
  • the second initialization parameter of the downlink control channel PDCCH is configured.
  • the second initialization parameter is not configured by the network device, but is pre-configured before the network device wants to wake up the terminal device. Therefore, the second initialization parameter can be determined according to the pre-configuration information. Therefore, the implementation flexibility of the scheme is enhanced.
  • the terminal device determines the second wake-up signal according to the first initialization parameter It includes: the terminal device determines a second wake-up signal according to the first initialization parameter and the second initialization parameter.
  • the terminal device can determine the second wake-up signal according to the first initialization parameter and the second initialization parameter. Therefore, the generated second wake-up signal can be distinguished from the wake-up signal generated only by the second initialization parameter.
  • the second wake-up signal generated using two different initialization parameters has a larger range than the second wake-up signal generated using one initialization parameter. Therefore, the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells can be reduced, and therefore, the interference between adjacent cells can be reduced.
  • the terminal device determining the second wake-up signal according to the first initialization parameter and the second initialization parameter includes: the terminal The device determines a first initialization value according to the first initialization parameter and the second initialization parameter; the terminal device determines the second wake-up signal according to the first initialization value.
  • a method of generating the second wake-up signal according to the first initialization parameter and the second initialization parameter is further provided, that is, the first initialization value is generated according to the first initialization parameter and the second initialization parameter, and then, Then, the second wake-up signal is generated according to the first initialization value. Therefore, the specific implementation method of the scheme is clarified and the feasibility of the scheme is improved.
  • the terminal device determining the second wake-up signal according to the first initialization parameter includes: the terminal device determining the second initialization parameter according to the first initialization parameter Value; the terminal device determines the second wake-up signal according to the second initialization value.
  • the second initialization value is used to determine the second wake-up signal.
  • the second initialization value determined by using the first initialization parameter is different from the initialization value in the prior art. Therefore, the second wake-up signal determined by using the second initialization value can be different from the physical downlink control channel PDCCH signal in the prior art. Therefore, the second wake-up signal can be distinguished from the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as the wake-up signal, thereby improving the accuracy of the wake-up operation.
  • the first high-layer signaling includes Configure the information of the scrambling code initialization parameter of the second wake-up signal; the method further includes: the terminal device determines a third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter; The first initialization value and the third initialization value determine the second wake-up signal; or, the terminal device determines the second wake-up signal according to the second initialization value and the third initialization value.
  • the first high-layer signaling also includes information used to configure the second wake-up signal.
  • the scrambling code initialization parameter information where the scrambling code initialization parameter is different from the aforementioned first initialization parameter and second initialization parameter.
  • the terminal device may determine the third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter. Then, the terminal device may determine the second wake-up signal according to the first initialization value and the third initialization value; or, the terminal device may also determine the second wake-up signal according to the second initialization value and the third initialization value.
  • the second wake-up signal may determine different initialization values according to different initialization parameters, and further, determine the second wake-up signal according to different initialization values. Therefore, the second wake-up signal determined by this embodiment is more diverse than the physical downlink control channel PDCCH signal in the prior art. Therefore, it is possible to reduce the probability that the terminal equipment mistakes the physical downlink control channel PDCCH signal as a wake-up signal, and also reduce the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells. Therefore, The interference between adjacent cells can be reduced, thereby improving the accuracy of the wake-up operation.
  • the first initialization parameter is the scrambling code initialization parameter of the second wake-up signal; the method further includes: the terminal device according to the wireless of the terminal device The network temporary identifier and/or the scrambling code initialization parameter determines a third initialization value; the terminal device determines the second wake-up signal according to the third initialization value.
  • the first initialization parameter is the scrambling code initialization parameter of the second wake-up signal.
  • the first initialization parameter configured by the first high-layer signaling can replace the scrambling code initialization parameter in the prior art to determine the third initialization value, and then determine the second wake-up signal according to the third initialization value. Since the first initialization parameter is determined by the terminal device, the third initialization value determined by using the first initialization parameter may be different from the initialization value in the prior art.
  • the second wake-up signal determined by the third initialization value is different from the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device will mistake the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving the accuracy of the wake-up operation .
  • the first high-level signaling is also Includes information for configuring the content of the wake-up signal
  • the information for configuring the content of the wake-up signal includes identification information or bandwidth indication information of the terminal device
  • the bandwidth indication information is used to indicate the bandwidth of the terminal device to receive data sent by the network device
  • the method further includes: the terminal device determines the second wake-up signal according to the information used to configure the content of the wake-up signal, the first initialization value, and the third initialization value; or, the terminal device determines the second wake-up signal according to the The information configuring the content of the wake-up signal, the second initialization value, and the third initialization value determine the second wake-up signal.
  • the first high-layer signaling also includes information for configuring the content of the wake-up signal, where the information for configuring the content of the wake-up signal includes The identification information or bandwidth indication information of the terminal device, where the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device. Therefore, when the information used to configure the content of the wake-up signal and the aforementioned various initialization values are used to determine the second wake-up signal, not only the diversity of the second wake-up signal can be increased, but also identification information, bandwidth indication information, and other information can be carried. information. Therefore, when the terminal device receives the second wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • the terminal device determines the second wake-up signal according to the information used to configure the content of the wake-up signal and the first initialization value.
  • the terminal device may also determine the second wake-up signal according to the information used to configure the content of the wake-up signal and the first initialization parameter. Not only can the diversity of the second wake-up signal be increased, but also identification information, bandwidth indication information and other information can be carried. Therefore, the feasibility of the scheme is improved.
  • the terminal device determines the second wake-up signal according to the information used to configure the content of the wake-up signal and the third initialization value.
  • the terminal device may also determine the second wake-up signal according to the information used to configure the content of the wake-up signal and the third initialization parameter. Not only can the diversity of the second wake-up signal be increased, but also identification information, bandwidth indication information and other information can be carried. Therefore, the feasibility of the scheme is improved.
  • the terminal device determines the second wake-up signal according to the information used to configure the content of the wake-up signal and the second initialization value.
  • the terminal device may also determine the second wake-up signal according to the information used to configure the content of the wake-up signal and the second initialization parameter. Not only can the diversity of the second wake-up signal be increased, but also identification information, bandwidth indication information and other information can be carried. Therefore, the feasibility of the scheme is improved.
  • the l is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the N ID is the second initialization parameter
  • the N ID0 is the first initialization parameter.
  • An initialization parameter where l is the number of the orthogonal frequency division multiplexing OFDM symbol, the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u, and the N slot symb is the OFDM included in the time slot Number of symbols.
  • the N ID is the second initialization parameter
  • the N ID0 is the first initialization parameter.
  • Initialization parameters of PDCCH DMRS where l is the number of orthogonal frequency division multiplexing OFDM symbols, where n u s, f is the number of time slots included in the radio frame when the subcarrier width is u, and the N slot symb is the time slot The number of OFDM symbols included.
  • the formula 3 replaces "2N ID " with "2N ID0 " in comparison with the formula 1. Since "2N ID0 " and “2N ID " can be different, and “2N ID0 " will also be multiplied by "(N slot symb ⁇ n u s, f +l+1)", formula 3 is used to calculate The obtained first initialization value is more diverse than the first initialization value calculated by using Formula 1, thereby reducing the probability of having the same first initialization value as the PDCCH signal.
  • the initialization parameter of, the l is the number of the orthogonal frequency division multiplexing OFDM symbol, the n u s, f is the number of slots included in the radio frame when the subcarrier width is u, and the N slot symb is the OFDM included in the slot Number of symbols.
  • the formula 4 replaces "2N ID " with "2N ID0 " in comparison with the formula 1. Since "2N ID0 " and “2N ID " may be different, the first initialization value calculated by formula 4 is more diverse than the first initialization value calculated by formula 1, thereby reducing the The PDCCH signal has the same probability of initializing the value.
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the second PDCCH DMRS initialization parameters, where l is the number of orthogonal frequency division multiplexing OFDM symbols, n u s, f is the number of slots included in the radio frame when the subcarrier width is u
  • N slot symb is the number of slots included in the slot Number of OFDM symbols.
  • the formula 5 replaces "2N ID "with “2N ID0 ", and replaces "2N ID +1" with "N ID +N ID0 +1". Since "2N ID0 " and “2N ID " can be different, and "N ID +N ID0 +1” will also be multiplied by "(N slot symb ⁇ n u s, f +l+1)", so , The first initialization value calculated using formula 5 is more diverse than the first initialization value calculated using formula 1, thereby reducing the probability of having the same first initialization value as the PDCCH signal.
  • the number of n u s, f is the number of slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the slot.
  • the second initialization value only includes the first initialization parameter N ID0 .
  • N ID0 the first initialization parameter
  • the second wake-up signal determined by using the second initialization value can be distinguished from the physical downlink control channel PDCCH signal, thereby reducing the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving The accuracy of the wake-up operation.
  • the first initialization parameter is determined based on the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located ;
  • the n ID is a scrambling code initialization parameter.
  • the scrambling code initialization parameter may be separately configured by the network device in the first higher layer signaling, or may be included in the foregoing first initialization parameter, which is not specifically limited here.
  • the third initialization value determined by using "n RNTI "and "n ID " is different from the initialization value in the prior art. Therefore, the second wake-up signal determined by using the third initialization value can be distinguished from the physical downlink control channel PDCCH signal, thereby reducing the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving The accuracy of the wake-up operation.
  • the scrambling code initialization parameter is determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located. ;
  • the first higher layer signaling further includes a detection signal for detecting a first wake-up signal, and the detection signal is different from the first wake-up signal ;
  • the terminal device uses the detection signal to detect the first wake-up signal.
  • the terminal device may directly receive a detection signal for detecting the first wake-up signal, and the terminal device directly uses the detection signal to detect the first wake-up signal.
  • the terminal device may not generate the second wake-up signal according to the initialization parameters, but directly use the detection signal to detect the first wake-up signal. Therefore, the implementation flexibility of the scheme is increased.
  • the detection signal since the detection signal is separately configured by the network device, it can be distinguished from the physical downlink control channel PDCCH signal, which can reduce the probability that the terminal device will mistake the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving The accuracy of the wake-up operation.
  • an embodiment of the present application provides a wake-up device, and the wake-up device may be a network device or a chip in the network device.
  • the wake-up device may include a processing unit and a transceiver unit.
  • the processing unit may be a processor, and the transceiving unit may be a transceiver;
  • the network device may also include a storage unit, and the storage unit may be a memory; the storage unit is used to store instructions, the The processing unit executes the instructions stored in the storage unit, so that the network device executes the first aspect or the method in any one of the implementation manners of the first aspect.
  • the processing unit may be a processor, and the transceiving unit may be an input/output interface, a pin or a circuit, etc.; the processing unit executes the instructions stored in the storage unit to make the
  • the network device executes the method in the first aspect or any one of the implementations of the first aspect, and the storage unit may be a storage unit (for example, a register, a cache, etc.) in the chip, or it may be located in the network device.
  • a storage unit outside the chip for example, read-only memory, random access memory, etc.).
  • an embodiment of the present application provides a wake-up device, and the wake-up device may be a terminal device or a chip in the terminal device.
  • the wake-up device may include a processing unit and a transceiver unit.
  • the processing unit may be a processor, and the transceiving unit may be a transceiver;
  • the terminal device may also include a storage unit, and the storage unit may be a memory; the storage unit is used to store instructions, the The processing unit executes the instructions stored in the storage unit, so that the terminal device executes the second aspect or the method in any one of the implementation manners of the second aspect.
  • the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin or a circuit, etc.; the processing unit executes the instructions stored in the storage unit to make the
  • the terminal device executes the method in the second aspect or any one of the implementation manners of the second aspect, and the storage unit may be a storage unit (for example, a register, a cache, etc.) in the chip, or a storage unit located in the terminal device.
  • a storage unit outside the chip for example, read-only memory, random access memory, etc.).
  • a computer program product includes: computer program code, which when the computer program code runs on the terminal device, causes the terminal device to execute the first aspect or the first aspect.
  • the method in any of the aspects.
  • a computer program product includes: computer program code, which when the computer program code runs on the network device, causes the network device to execute the second aspect or the second aspect.
  • the method in any of the aspects.
  • a computer-readable storage medium including computer instructions, which when the computer instructions run on the terminal device, cause the terminal device to execute the first aspect or any implementation of the first aspect The method in the way.
  • a computer-readable storage medium including computer instructions, which when the computer instructions run on the network device, cause the network device to perform the second aspect or any implementation of the second aspect The method in the way.
  • FIG. 1 is a flowchart of the wake-up method in an embodiment of the application
  • FIG. 2 is another flowchart of the wake-up method in the embodiment of the application
  • FIG. 3 is another flowchart of the wake-up method in the embodiment of the application.
  • FIG. 4 is another flowchart of the wake-up method in the embodiment of the application.
  • FIG. 5 is another flowchart of the wake-up method in an embodiment of the application.
  • FIG. 6 is another flowchart of the wake-up method in the embodiment of the application.
  • FIG. 7 is another flowchart of the wake-up method in the embodiment of the application.
  • FIG. 8 is a schematic diagram of an embodiment of a terminal device in an embodiment of the application.
  • Fig. 9 is a schematic diagram of an embodiment of a network device in an embodiment of the application.
  • the embodiments of the present application provide a wake-up method and related devices to improve the accuracy of the wake-up operation.
  • Physical layer downlink control channel used to carry downlink control information (downlink control information, DCI), or carry other control information such as resource allocation of one or more terminal devices.
  • DMRS Demodulation reference signal
  • PUSCH physical layer uplink shared channel
  • PUCCH physical layer uplink control channel
  • Orthogonal frequency division multiplexing refers to the technology that divides the channel into several orthogonal sub-channels, converts high-speed data signals into parallel low-speed sub-data streams, and modulates them for transmission on each sub-channel .
  • OFDM Orthogonal frequency division multiplexing
  • orthogonal signals can be separated at the receiving end to reduce mutual interference between sub-channels, thereby eliminating inter-code crosstalk and making channel equalization relatively easy.
  • it refers to the smallest resource granularity in the time domain, that is, the OFDM symbol.
  • Wireless network temporary identifier (radio network temporary identifier, RNTI), which can be used as a mask to scramble the cyclic redundancy check CRC bit sequence obtained according to the DCI payload.
  • RNTI radio network temporary identifier
  • the value of RNTI is pre-defined by the standard or configured by high-level signaling. Different RNTI values distinguish different DCI functions.
  • the DCI scrambled with different RNTI values is used to indicate the time domain and or frequency domain resources of the PDSCH of different data types. For example, the DCI that scrambles the SI-RNTI is used to schedule the PDSCH carrying system information; the DCI that scrambles the C-RNTI is used to schedule the physical downlink shared channel (PDSCH) dedicated to the terminal device.
  • PDSCH physical downlink shared channel
  • C-RNTI refers to a dynamic identifier assigned to a terminal device by a network device, and uniquely identifies a terminal device under an air interface of a cell.
  • the wireless network temporary identifier of the terminal device refers to the identifier configured by the network device for the terminal device.
  • the identifier may be an identifier exclusive to the terminal device or an exclusive terminal device group.
  • Cyclic redundancy check is a hash function that generates a short fixed-digit check code based on data such as network data packets or computer files, and uses the principle of division and remainder to detect errors. It is mainly used to detect or verify possible errors after data transmission or storage. In the embodiment of this application, it refers to a cyclic redundancy check code.
  • Search space refers to a collection of candidate downlink control channels.
  • a set of candidate control channels of a given aggregation level is defined as a search space, and thus, a search space set is a set of search spaces including multiple different aggregation levels.
  • wireless fidelity wireless fidelity
  • WiMAX worldwide interoperability for microwave access
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long-term evolution
  • LTE-A advanced long term evolution
  • UMTS universal mobile telecommunication system
  • 5G fifth generation mobile communication system
  • 5G fifth generation
  • the terminal device can turn off some modules used for signal transmission and/or reception to save unnecessary energy consumption, so that the terminal device’s The standby time increases.
  • the network device can send a wake-up signal (WUS), which is used to wake up a sleeping terminal device.
  • WUS wake-up signal
  • the terminal device in order for the terminal device to detect the wake-up signal sent by the network device in time, the terminal device needs to frequently detect the wake-up signal. Therefore, it is required that the detection of the wake-up signal should avoid complicated receiving and/or detection methods as much as possible, and avoid additional energy consumption caused by frequent detection of the wake-up signal.
  • the terminal devices in the embodiments of the present application include devices that provide users with voice and/or data connectivity, for example, may include handheld devices with wireless connection functions or processing devices connected to wireless modems.
  • the terminal device can communicate with the core network via a radio access network (RAN), and exchange voice and/or data with the RAN.
  • the terminal equipment may include user equipment (UE), wireless terminal equipment, mobile terminal equipment, subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile station), mobile station (mobile), remote Station (remote station), access point (access point, AP), remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment (user terminal), user agent (user agent), or user Equipment (user device), etc.
  • it may include mobile phones (or “cellular” phones), computers with mobile terminal equipment, portable, pocket-sized, handheld, computer-built or vehicle-mounted mobile devices, smart wearable devices, and so on.
  • PCS personal communication service
  • PCS personal communication service
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistants
  • restricted devices such as devices with low power consumption, or devices with limited storage capabilities, or devices with limited computing capabilities. Examples include barcodes, radio frequency identification (RFID), sensors, global positioning system (GPS), laser scanners and other information sensing equipment.
  • RFID radio frequency identification
  • GPS global positioning system
  • laser scanners and other information sensing equipment.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones.
  • Use such as various smart bracelets, smart helmets, smart jewelry, etc. for physical sign monitoring.
  • the terminal device in the embodiment of the present application may be any of the foregoing devices or chips, which is not specifically limited here. Whether as a device or as a chip, the terminal device can be manufactured, sold or used as an independent product. In this embodiment and subsequent embodiments, only the terminal device is taken as an example for introduction.
  • the network device for example, includes a base station (for example, an access point), which may refer to a device that communicates with a wireless terminal device through one or more cells on an air interface in an access network.
  • the network device can be used to convert received air frames and Internet Protocol (IP) packets into each other, and act as a router between the terminal device and the rest of the access network, where the rest of the access network may include an IP network.
  • IP Internet Protocol
  • the network equipment can also coordinate the attribute management of the air interface.
  • the network equipment may include an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in a long term evolution (LTE) system or an evolved LTE system (LTE-Advanced, LTE-A), or It can also include the next generation node B (gNB) in the fifth generation (5G) new radio (NR) system or the cloud access network (CloudRAN) system Centralized unit (CU) and distributed unit (DU) in, the embodiment of this application is not limited.
  • NodeB or eNB or e-NodeB, evolutional Node B in a long term evolution (LTE) system or an evolved LTE system (LTE-Advanced, LTE-A), or It can also include the next generation node B (gNB) in the fifth generation (5G) new radio (NR) system or the cloud access network (CloudRAN) system Centralized unit (CU) and distributed unit (DU) in, the embodiment of this application is not limited.
  • 5G fifth generation
  • NR new radio
  • CloudRAN cloud access network
  • the network device in the embodiment of the present application may be any of the foregoing devices or chips, which is not specifically limited here. Whether as a device or as a chip, the network device can be manufactured, sold, or used as an independent product. In this embodiment and subsequent embodiments, only a network device is taken as an example for introduction.
  • the steps performed by the terminal device and the network device in the wake-up method include:
  • the network device sends the first high-layer signaling related to the wake-up signal to the terminal device;
  • the network device when the network device is preparing to wake up one or more terminal devices, the network device may send the first higher-layer signaling (higher-layer parameter) related to the wake-up signal to the terminal device.
  • the command includes information for configuring the first initialization parameter of the first wake-up signal.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the network device determines the second higher layer signaling related to the control resource set CORESET;
  • the network device in addition to sending the first high-level signaling to the terminal device, can also determine the second high-level signaling related to the control resource set CORESET, which is used for configuration The control resource set CORESET where the first wake-up signal is located.
  • the second high layer signaling includes information for configuring the second initialization parameter of the physical downlink control channel PDCCH in the control resource set CORESET.
  • the network device or the terminal device may determine the second initialization parameter according to the second initialization parameter information in the second high-layer signaling.
  • the second initialization parameter is the initialization parameter of the second PDCCH DMRS.
  • the initialization parameter of the second PDCCH DMRS may be expressed as PDCCH-DMRS-ScramblingID1.
  • the first initialization parameter is different from the second initialization parameter, that is, the initialization parameter of the first PDCCH DMRS is different from the initialization parameter of the second PDCCH DMRS.
  • the value ranges of the initialization parameter of the first PDCCH DMRS and the initialization parameter of the second PDCCH DMRS are ⁇ 0, 1, ..., 65535 ⁇ , that is, an integer from 0 to 65535.
  • the specific values of the initialization parameters of the first PDCCH DMRS and the specific values of the initialization parameters of the second PDCCH DMRS are the same.
  • the value is generally different. Therefore, it can be understood that the sum of the initialization parameters of the first PDCCH DMRS and the initialization parameters of the first PDCCH DMRS may be an odd number or an even number.
  • the specific value of the initialization parameter of the first PDCCH DMRS and the specific value of the initialization parameter of the second PDCCH DMRS may be configured by the network device, and the specific values are not limited here.
  • the network device may first determine the second high-level signaling before sending the first high-level signaling to the terminal device.
  • the network device may send the first layer signaling and the second layer signaling to the terminal device in one sending operation.
  • the network device may also first send the first high-level signaling to the terminal device, and then determine the second high-level signaling related to the control resource set CORESET.
  • the network device will send two sending operations to send the first high-layer signaling and the second high-layer signaling to the terminal device respectively, that is, the network device first sends the first high-layer signaling to the terminal device, and then the The network device then sends the second higher layer signaling to the terminal device.
  • the details are not limited here.
  • the network device determines a first wake-up signal according to the first initialization parameter and the second initialization parameter.
  • the network device when the network device is about to wake up the terminal device, the network device will also use the aforementioned first initialization parameter and second initialization parameter to determine the first wake-up signal, that is, the network device will determine the first wake-up signal according to the initialization parameters of the first PDCCH DMRS And the initialization parameters of the second PDCCH DMRS determine the first wake-up signal, and the first wake-up signal is used to wake up the terminal device when the condition is met, so that the terminal device executes the wake-up procedure.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and then, the network device determines the first wake-up value according to the first initialization value signal.
  • the first initialization value determined by the network device will be introduced below in conjunction with a specific example.
  • the smallest resource granularity is one OFDM symbol; in the frequency domain, the smallest granularity is one subcarrier.
  • One time-frequency resource unit composed of one OFDM symbol and one subcarrier is called RE (resource element).
  • a resource block composed of all OFDM symbols in a slot and 12 subcarriers in the frequency domain is called an RB (resource block).
  • the length of a cyclic prefix (CP) affects the number of OFDM symbols in a slot.
  • the total number of OFDM symbols included in a slot is N slot symb .
  • the CP type is divided into a normal type and an extended type.
  • the configuration parameters corresponding to the sub-carrier width N slot symb and time slot n u s, f are shown in Table 1; if it is the extended CP type, the configuration parameters corresponding to the sub-carrier width are shown in Table 2. Show.
  • the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS may be determined.
  • the sum determines the first initialization value.
  • the following formula 1 can be used:
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the initialization parameters of the first PDCCH DMRS can be determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located.
  • the wireless network temporary identifier of the terminal device refers to the identifier configured by the network device for the terminal device.
  • the identifier can be a terminal device-specific/terminal-device group-specific identifier, for example, C-RNTI or Group-Common-RNTI. There are no restrictions.
  • the N Cell ID is identification information of the cell.
  • the initialization parameter of the first PDCCH DMRS is different from the initialization parameter of the first PDCCH DMRS.
  • the sum of initialization parameters may be odd or even. That is to say, the calculation result of "N ID +N ID0 "in the above formula 1 may be an odd number or an even number. Therefore, compared with the calculation result of "2N ID " in the prior art, which is only an even number, the first initialization value calculated by formula 1 adopted in this embodiment has a larger range.
  • the calculation result of "N ID + N ID0 can reduce the probability that the wake-up signal and the PDCCH signal have the same first initialization value.
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • any one of the above formulas can be used for calculation, and the obtained first initialization value can reduce the probability that the wake-up signal and the PDCCH signal have the same first initialization value.
  • the initialization parameters of the first PDCCH DMRS in the formula 2 may also be determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located.
  • the network device may determine the first wake-up signal according to the first initialization value.
  • the first wake-up signal can be generated according to the following method: first, a 31-bit bit sequence for initialization needs to be determined according to the first initialization value, and further, according to the following formula, the pseudo Random sequence c(n):
  • x 1 (n+31) (x 1 (n+3)+x 1 (n))mod 2
  • x 2 (n+31) (x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod 2
  • the pilot sequence of the first wake-up signal that is, the DMRS sequence of the first wake-up signal, can be obtained.
  • the first initialization value and the DMRS sequence of the first wake-up signal correspond to each other, in the case where the first initialization value obtained by formula 1 or formula 2 is more diverse, it can be known that the first wake-up signal DMRS sequences will also be more diverse.
  • the network device sends a first wake-up signal to the terminal device.
  • the network device when the network device wants to wake up the terminal device, the network device may send the aforementioned first wake-up signal to the terminal device.
  • the terminal device determines a second wake-up signal according to the first initialization parameter and the second initialization parameter;
  • the terminal device after the terminal device receives the first high layer signaling and the second high layer signaling sent by the network device, the terminal device will also determine the first initialization according to the first initialization parameter and the second initialization parameter. And then determine the second wake-up signal according to the first initialization value.
  • the terminal device may use any of the following formulas to determine the first initialization value:
  • c init (2 17 (N slot symb ⁇ n u s, f +l+1)(N ID +N ID0 +1)+(N ID +N ID0 ))mod2 31 ; (Formula 2)
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the step of determining the second wake-up signal by the terminal device should be after step 102, and there is no chronological sequence with step 103 and step 104. That is, the process of determining the second wake-up signal by the terminal device and the process of determining the first wake-up signal by the network device are independent of each other.
  • the terminal device may start to determine the second wake-up signal before the network device determines the first wake-up signal, and the terminal device may also determine the second wake-up signal after the network device sends the first wake-up signal to the terminal device
  • the signal is not limited here.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device;
  • the terminal device when the terminal device receives the signal or data sent by the network device, the terminal device may use the second wake-up signal to detect the signal or data sent by the network device.
  • the signal or data sent by the network device is the first wake-up signal determined by the network device
  • the terminal device will use the second wake-up signal to detect that the first wake-up signal is successful.
  • the terminal device will execute step 107.
  • the terminal device uses the second wake-up signal to detect that it is not the first wake-up signal but other wake-up signals or data, the terminal device will fail the detection. At this time, the terminal device will remain dormant.
  • the terminal device can detect the signal or data sent by the network device in the following ways:
  • the terminal device uses the second wake-up signal to perform related processing on the received signal or data.
  • the signal or data received by the terminal device is the first wake-up signal
  • the result after the relevant processing will be greater than the given threshold.
  • the terminal device will use the second wake-up signal to detect the first wake-up signal sent by the network device.
  • a wake-up signal is successful; otherwise, the terminal device will fail to detect the signal or data sent by the network device.
  • the terminal device may also demodulate and decode the received signal or data.
  • the terminal device When the signal or data received by the terminal device is the first wake-up signal, the terminal device will demodulate and decode successfully, that is, the terminal device will use the second wake-up signal to detect that the first wake-up signal sent by the network device is successful; Otherwise, the terminal device will fail to detect the signal or data sent by the network device.
  • the terminal device may use the DMRS sequence in the second wake-up signal to match the DMRS sequence in the first wake-up signal. If the degree of coincidence is high, the terminal device demodulates and decodes the first wake-up signal, and then determines whether the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device according to the final demodulation and decoding result. A wake-up signal is successful.
  • the terminal device receives other wake-up signals or data, there may be no DMRS sequence in the other wake-up signals or data, or the DMSR sequence of the other wake-up signal and the DMRS sequence determined by the second wake-up signal cannot be successfully matched Wait. Therefore, the terminal device will fail to detect the signal or data sent by the network device.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the first wake-up signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc., which is not specifically done here limited.
  • the network device in addition to the first PDCCH DMRS initialization parameter pdcch-WUS-DMRS-ScramblingID, the network device also configures the second PDCCH DMRS initialization parameter pdcch-DMRS-ScramblingID1.
  • the initialization parameter of the first PDCCH DMRS and the initialization parameter of the second PDCCH DMRS are used, so that the first initialization value is more diverse. Since the first initialization value and the first wake-up signal correspond to each other, it can be known that the first wake-up signal will also be more diverse. Therefore, even if the network device sends the wake-up signals of multiple terminal devices within the same CORESET, the probability of the network device's wake-up error on the network device can be reduced, and the interference between neighboring cells can be reduced.
  • the steps performed by the terminal device and the network device in the method include:
  • the network device sends the first high layer signaling related to the wake-up signal to the terminal device;
  • the network device when the network device is preparing to wake up one or more terminal devices, the network device may send the first high-layer signaling related to the wake-up signal to the terminal device.
  • Information of the first initialization parameter of a wake-up signal may be determined.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the value range of the initialization parameter of the first PDCCH DMRS is ⁇ 0, 1, ..., 65535 ⁇ , that is, an integer from 0 to 65535.
  • the specific value of the initialization parameter of the first PDCCH DMRS may be configured by the network device, and the specific value is not limited here.
  • the network device determines a first wake-up signal according to the first initialization parameter.
  • the network device when the network device is about to wake up the terminal device, the network device will also use the aforementioned first initialization parameter to determine the first wake-up signal, that is, the network device determines the first wake-up signal according to the initialization parameters of the first PDCCH DMRS
  • the first wake-up signal is used to wake up the terminal device when the condition is met, so that the terminal device executes the wake-up procedure.
  • the network device may first determine the second initialization value according to the initialization parameter of the first PDCCH DMRS, and then, the network device determines the first wake-up signal according to the second initialization value.
  • the parameters involved when the network device determines the second initialization value are similar to those in step 103.
  • the following formula 6 may be used to determine the second initialization value:
  • the c init is the second initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the l is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s is the subcarrier width u
  • N slot symb is the number of OFDM symbols included in the time slot.
  • the initialization parameters of the first PDCCH DMRS can be determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located.
  • the N Cell ID is identification information of the cell.
  • the network device may determine the first wake-up signal according to the second initialization value, which is specifically the same as the first initialization value determination in step 103 above.
  • the steps of the first wake-up signal are similar, and the details are not repeated here.
  • the network device sends a first wake-up signal to the terminal device.
  • the network device when the network device wants to wake up the terminal device, the network device may send the aforementioned first wake-up signal to the terminal device.
  • the terminal device determines a second wake-up signal according to the first initialization parameter.
  • the terminal device after the terminal device receives the first high-level signaling sent by the network device, the terminal device will also determine the second initialization value according to the first initialization parameter, and then, according to the second initialization value Determine the second wake-up signal.
  • the terminal device may use the following formula 6 to determine the second initialization value:
  • the c init is the second initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the l is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s is the subcarrier width u
  • N slot symb is the number of OFDM symbols included in the time slot.
  • the step of determining the second wake-up signal by the terminal device should be after step 201, and there is no chronological sequence with step 202 and step 203. That is, the process of determining the second wake-up signal by the terminal device and the process of determining the first wake-up signal by the network device are independent of each other.
  • the terminal device may start to determine the second wake-up signal before the network device determines the first wake-up signal, and the terminal device may also determine the second wake-up signal after the network device sends the first wake-up signal to the terminal device
  • the signal is not limited here.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device.
  • the terminal device may use the second wake-up signal to detect the first wake-up signal. Specifically, it is similar to step 106 in the foregoing, and the details are not repeated here.
  • step 206 is executed.
  • the terminal device uses the second wake-up signal to detect that the first wake-up signal fails, the terminal device remains in a dormant state.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the first wake-up signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc., which is not specifically done here limited.
  • the network device since the network device is separately configured with the first high-layer signaling for carrying the first initialization parameters, the first high-layer signaling can be different from ordinary high-layer signaling. Therefore, the first wake-up signal determined by using the first initialization parameter related to the first high-layer signaling is different from the physical downlink control channel PDCCH signal in the prior art.
  • the second initialization value only includes the first initialization parameter N ID0 . Using "2N ID0 " to determine the second initialization value is different from the initialization value in the prior art.
  • the first wake-up signal determined by using the second initialization value can be distinguished from the physical downlink control channel PDCCH signal, which can reduce the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving The accuracy of the wake-up operation.
  • the scrambling code initialization parameter may also be configured in the first high-layer signaling. Therefore, the network device may combine the first initialization parameter, the second initialization parameter, and the scrambling code initialization parameter to determine the first wake-up signal.
  • the steps performed by the terminal device and the network device in the method include:
  • the network device sends the first high layer signaling related to the wake-up signal to the terminal device;
  • the network device may send the first high-layer signaling related to the wake-up signal to the terminal device, and the first high-layer signaling includes information for configuring the first initialization parameter of the first wake-up signal.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the first high-layer signaling also includes information for configuring the scrambling code initialization parameters of the first wake-up signal, and the network device can determine the scrambling code according to the information used to configure the scrambling code initialization parameters of the first wake-up signal.
  • Code initialization parameters Specifically, the scrambling code initialization parameter is different from the foregoing initialization parameter of the first PDCCH DMRS, and the scrambling code initialization parameter may be expressed as PDCCH-WUS-ScramblingID.
  • the network device determines the second higher layer signaling related to the control resource set CORESET;
  • the network device in addition to sending the first high-level signaling to the terminal device, can also determine the second high-level signaling related to the control resource set CORESET, which is used for configuration The control resource set CORESET where the first wake-up signal is located.
  • the second high layer signaling includes information for configuring the second initialization parameter of the physical downlink control channel PDCCH in the control resource set CORESET.
  • the network device or the terminal device may determine the second initialization parameter according to the second initialization parameter information in the second high-layer signaling.
  • the second initialization parameter is the initialization parameter of the second PDCCH DMRS.
  • the initialization parameter of the second PDCCH DMRS may be expressed as PDCCH-DMRS-ScramblingID1. Specifically, it is similar to the foregoing step 102 and will not be repeated here.
  • the specific value of the initialization parameter of the first PDCCH DMRS and the specific value of the initialization parameter of the second PDCCH DMRS may be configured by the network device, and the specific values are not limited here.
  • the network device may first determine the second high-level signaling before sending the first high-level signaling to the terminal device.
  • the network device may send the first layer signaling and the second layer signaling to the terminal device in one sending operation.
  • the network device may also first send the first high-level signaling to the terminal device, and then determine the second high-level signaling related to the control resource set CORESET.
  • the network device will send two sending operations to send the first high-layer signaling and the second high-layer signaling to the terminal device respectively, that is, the network device first sends the first high-layer signaling to the terminal device, and then the The network device then sends the second higher layer signaling to the terminal device.
  • the details are not limited here.
  • the network device determines a first wake-up signal according to the first initialization parameter, the second initialization parameter, and the scrambling code initialization parameter.
  • the network device uses the aforementioned first initialization parameter, second initialization parameter, and scrambling code initialization parameter to determine the first wake-up signal, where the first initialization parameter is the initialization parameter PDCCH-DMRS of the first PDCCH DMRS PDCCH-WUS- DMRS-ScramblingID, the second initialization parameter is the second PDCCH DMRS initialization parameter PDCCH-DMRS-ScramblingID1, and the scrambling code initialization parameter is PDCCH-WUS-ScramblingID.
  • the first initialization parameter is the initialization parameter PDCCH-DMRS of the first PDCCH DMRS PDCCH-WUS- DMRS-ScramblingID
  • the second initialization parameter is the second PDCCH DMRS initialization parameter PDCCH-DMRS-ScramblingID1
  • the scrambling code initialization parameter is PDCCH-WUS-ScramblingID.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters, and then the The network device determines the first wake-up signal according to the first initialization value and the third initialization value.
  • the network device may also determine the second initialization value according to the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameter, and then, the network device may determine the second initialization value according to the second initialization value and The third initialization value determines the first wake-up signal.
  • the following two situations are introduced separately:
  • the parameters involved when the network device determines the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS are similar to those in step 103. For details, see Table 1 and Table 2. And Table 3, the details are not repeated here.
  • the network device determines the first initialization value it may also use any one of the aforementioned formulas 1 to 5 to determine the first initialization value:
  • c init (2 17 (N slot symb ⁇ n u s, f +l+1)(N ID +N ID0 +1)+(N ID +N ID0 ))mod2 31 ; (Formula 2)
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the N ID is the initialization parameter of the second PDCCH DMRS
  • the 1 is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the network device may determine the third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter. Specifically, the network device determines the third initialization value according to the scrambling code initialization parameter.
  • the following formula 7 can be used:
  • the c init is the third initialization value
  • the n RNTI is the wireless network temporary identifier of the terminal device
  • the n ID is the scrambling code initialization parameter
  • n ID N cell ID .
  • the scrambling code initialization parameter can be determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located.
  • the network device may convert the third initialization value into a bit sequence used for scrambling, and perform processing on the downlink physical control information DCI transmitted in the physical channel.
  • a scrambled bit sequence (scrambled bits) is obtained.
  • the scrambling formula used is Among them, b(i) is the downlink control information, which can be specifically expressed as b(0),...,b(M bit -1), where the M bit refers to the number of bits transmitted in the downlink physical channel ; C(i) is a pseudo-random sequence generated by the aforementioned second initialization value c init , also called a scrambling code sequence.
  • the scrambled bit sequence can be expressed as
  • the network device may determine the first wake-up signal according to the first initialization value and the third initialization value. Specifically, the first initialization value determines the DMRS sequence of the wake-up signal, and the third initialization value determines the scrambling code sequence of the wake-up signal; the network device determines the wake-up signal according to the determined DMRS sequence and the wake-up signal scrambling code sequence.
  • the network device may first determine the first initialization value and then the third initialization value, or may first determine the third initialization value and then the first initialization value, which is not specifically limited here.
  • the parameters involved when the network device determines the second initialization value according to the initialization parameters of the first PDCCH DMRS are similar to those in step 103.
  • the following formula 6 may be used to determine the second initialization value:
  • the c init is the second initialization value
  • the N ID0 is the initialization parameter of the first PDCCH DMRS
  • the l is the number of the orthogonal frequency division multiplexing OFDM symbol
  • the n u s is the subcarrier width u
  • N slot symb is the number of OFDM symbols included in the time slot.
  • the network device may determine the third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter. Specifically, the network device determines the third initialization value according to the scrambling code initialization parameter.
  • the following formula 7 can be used:
  • the c init is the third initialization value
  • the n RNTI is the wireless network temporary identifier of the terminal device
  • the n ID is the scrambling code initialization parameter
  • n ID N cell ID .
  • the scrambling code initialization parameter can be determined according to the wireless network temporary identity of the terminal device and the cell identity of the cell where the terminal device is located.
  • the network device may convert the third initialization value into a bit sequence used for scrambling, and perform processing on the downlink physical control information DCI transmitted in the physical channel.
  • a scrambled bit sequence (scrambled bits) is obtained.
  • the scrambling formula used is Among them, b(i) is the downlink control information, which can be specifically expressed as b(0),...,b(M bit -1), where the M bit refers to the number of bits transmitted in the downlink physical channel ; C(i) is a pseudo-random sequence generated by the aforementioned second initialization value c init , also called a scrambling code sequence.
  • the scrambled bit sequence can be expressed as
  • the network device may determine the first wake-up signal according to the second initialization value and the third initialization value. Specifically, it is similar to step 103, and details are not repeated here. It should be noted that the determination of the second initialization value and the determination of the third initialization value do not interfere with each other and are not limited in time sequence. The network device may first determine the second initialization value and then the third initialization value, or may first determine the third initialization value and then the second initialization value, which is not specifically limited here.
  • the network device sends a first wake-up signal to the terminal device.
  • the network device when the network device wants to wake up the terminal device, the network device may send the aforementioned first wake-up signal to the terminal device.
  • the terminal device determines a second wake-up signal according to the first initialization parameter, the second initialization parameter, and the scrambling code initialization parameter.
  • the terminal device after the terminal device receives the first high-level signaling and the second high-level signaling sent by the network device, the terminal device will determine the first initialization parameter, the second initialization parameter, and the scrambling code initialization parameter. 2.
  • a wake-up signal Specifically, the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters Then, the network device determines the second wake-up signal according to the first initialization value and the third initialization value.
  • the terminal device may also determine the second initialization value according to the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameter, and then, the terminal device may determine the second initialization value according to the second initialization value and The third initialization value determines the second wake-up signal.
  • the details are similar to step 303, and the details are not repeated here.
  • the step of determining the second wake-up signal by the terminal device should be after step 302, and there is no chronological sequence with step 303 and step 304. That is, the process of determining the second wake-up signal by the terminal device and the process of determining the first wake-up signal by the network device are independent of each other.
  • the terminal device may start to determine the second wake-up signal before the network device determines the first wake-up signal, and the terminal device may also determine the second wake-up signal after the network device sends the first wake-up signal to the terminal device
  • the signal is not limited here.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device.
  • the terminal device may use the second wake-up signal to detect the first wake-up signal. Specifically, it is similar to step 106 in the foregoing, and the details are not repeated here.
  • step 307 is executed.
  • the terminal device uses the second wake-up signal to detect that the first wake-up signal fails, the terminal device remains in a dormant state.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the first wake-up signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc., which is not specifically done here limited.
  • the first high-layer signaling also includes information used to configure the first wake-up signal.
  • the scrambling code initialization parameter information where the scrambling code initialization parameter is different from the aforementioned first initialization parameter and second initialization parameter.
  • the network device may determine the third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter. Then, the network device may determine the first wake-up signal according to the first initialization value and the third initialization value; or, the network device may also determine the first wake-up signal according to the second initialization value and the third initialization value.
  • the first wake-up signal may determine different initialization values according to different initialization parameters, and further, determine the first wake-up signal according to different initialization values. Therefore, the first wake-up signal determined by this embodiment is more diverse than the physical downlink control channel PDCCH signal in the prior art. Therefore, it is possible to reduce the probability that the terminal equipment mistakes the physical downlink control channel PDCCH signal as a wake-up signal, and also reduce the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells. Therefore, The interference between adjacent cells can be reduced, thereby improving the accuracy of the wake-up operation.
  • the second initialization parameter is configured by the network device, and the network device needs to send the second high-level signaling carrying information for configuring the second initialization parameter to the terminal device.
  • the network device or the terminal device may determine the second initialization parameter according to pre-configuration information, without determining the second initialization parameter through information carried in the second higher layer signaling. This situation will be described in detail below.
  • the steps performed by the terminal device and the network device in this method include:
  • the network device sends the first high layer signaling related to the wake-up signal to the terminal device.
  • the network device may send the first high-layer signaling related to the wake-up signal to the terminal device, and the first high-layer signaling includes information for configuring the first initialization parameter of the first wake-up signal.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the network device determines a pre-configured second initialization parameter according to the pre-configuration information.
  • the pre-configured second initialization parameter can be determined according to the pre-configuration information, both the network device and the terminal device can learn the pre-configuration information. Therefore, the network device may not need to determine the second high-level signaling, and may not need to send the second high-level signaling to the terminal device. therefore.
  • the network device can directly determine the second initialization for configuring the physical downlink control channel PDCCH in the control resource set CORESET where the first wake-up signal is located according to the pre-configuration information Parameter, the pre-configured second initialization parameter is the initialization parameter of the second PDCCH DMRS.
  • the initialization parameter of the second PDCCH DMRS may be expressed as PDCCH-DMRS-ScramblingID2.
  • the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS in this implementation is different from the initialization parameter PDCCH-DMRS-ScramblingID1 of the two PDCCH DMRS introduced above.
  • the PDCCH-DMRS-ScramblingID1 is configured by a network device, and the PDCCH-DMRS-ScramblingID2 is determined according to pre-configuration information.
  • step 401 and step 402 in this embodiment are not limited in sequence, that is, the network device may first send the first high-level signaling related to the wake-up signal to the terminal device, and then, according to the pre-configuration information Determine the pre-configured second initialization parameter.
  • the network device may also first determine the pre-configured second initialization parameter according to the pre-configuration information, and then send the first high-level signaling related to the wake-up signal to the terminal device.
  • the details are not limited here.
  • the network device determines a first wake-up signal according to the first initialization parameter and the pre-configured second initialization parameter.
  • the network device may use the first initialization parameter and the pre-configured second initialization parameter to determine the first wake-up signal, that is, the network device can determine the first wake-up signal according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS.
  • the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS determines the first wake-up signal, and the first wake-up signal is used to wake up the terminal device when the condition is met, so that the terminal device executes the wake-up procedure.
  • the network device may first determine the first initialization value according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS and the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS, and then the network device The first wake-up signal is determined according to the first initialization value.
  • the network device determines the parameters and steps involved in the first initialization value according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS and the initialization parameter PDCCH-DMRS-Scrambling ID2 of the second PDCCH DMRS. It is similar to 103, and you can refer to Table 1, Table 2 and Table 3 for details, and details are not repeated here.
  • the network device determines the first initialization value, it may also use any of the following formulas to determine the first initialization value:
  • c init (2 17 (N slot symb ⁇ n u s, f +l+1)(N ID +N ID0 +1)+(N ID +N ID0 ))mod2 31 ; (Formula 2)
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS
  • the N ID is the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS.
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • the network device may determine the first wake-up signal according to the first initialization value. Specifically, it is similar to the previous step 103, and will not be specifically described here Repeat.
  • the network device sends a first wake-up signal to the terminal device.
  • the network device when the network device wants to wake up the terminal device, the network device may send the aforementioned first wake-up signal to the terminal device.
  • the terminal device determines the pre-configured second initialization parameter according to the pre-configuration information.
  • the terminal device may also determine the pre-configured second initialization parameter according to the pre-configuration information, which is specifically similar to the foregoing step 402, and the details are not repeated here.
  • step 405 since the terminal device can obtain the pre-configuration information independently from the network device, there is no necessary time sequence between step 405 in this embodiment and the aforementioned steps 401 to 404. The details are not limited here.
  • the terminal device determines a second wake-up signal according to the first initialization parameter and the pre-configured second initialization parameter.
  • the terminal device after the terminal device receives the first high-level signaling sent by the network device and determines the pre-configured second initialization parameter, the terminal device will also determine the second initialization parameter according to the first initialization parameter and the second initialization parameter. Determine the first initialization value, and then determine the second wake-up signal according to the first initialization value.
  • the terminal device may use any of the following formulas to determine the first initialization value:
  • c init (2 17 (N slot symb ⁇ n u s, f +l+1)(N ID +N ID0 +1)+(N ID +N ID0 ))mod2 31 ; (Formula 2)
  • the c init is the first initialization value
  • the N ID0 is the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS
  • the N ID is the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS.
  • the n u s, f is the number of time slots included in the radio frame when the subcarrier width is u
  • the N slot symb is the number of OFDM symbols included in the time slot.
  • step of determining the second wake-up signal by the terminal device should be after step 401, and there is no chronological sequence with step 402 to step 404.
  • the details are not limited here.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device.
  • the terminal device may use the second wake-up signal to detect the first wake-up signal.
  • step 408 is executed.
  • the terminal device uses the second wake-up signal to detect that the first wake-up signal fails, the terminal device remains in a dormant state.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the first wake-up signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc., which is not specifically done here limited.
  • the terminal device may not rely on the network device when determining the second initial parameter. Therefore, the implementation flexibility of the scheme can be enhanced.
  • the network device may determine the first wake-up signal in combination with the foregoing pre-configured second initialization parameter, the first initialization parameter, and the scrambling code initialization parameter in the second higher layer signaling. This situation will be described in detail below. As shown in Figure 5, the steps performed by the terminal device and the network device in this method include:
  • the network device sends the first high layer signaling related to the wake-up signal to the terminal device;
  • the network device may send the first high-layer signaling related to the wake-up signal to the terminal device, and the first high-layer signaling includes information for configuring the first initialization parameter of the first wake-up signal.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the first high-layer signaling also includes information for configuring the scrambling code initialization parameters of the first wake-up signal, and the network device can determine the scrambling code according to the information used to configure the scrambling code initialization parameters of the first wake-up signal.
  • Code initialization parameters Specifically, the scrambling code initialization parameter is different from the foregoing initialization parameter of the first PDCCH DMRS, and the scrambling code initialization parameter may be expressed as PDCCH-WUS-ScramblingID.
  • the first initialization parameter can be used as the scrambling code initialization parameter, that is, the first PDCCH DMRS initialization parameter PDCCH-WUS-DMRS-ScramblingID is used as the scrambling code Initialization parameters.
  • the network device determines a pre-configured second initialization parameter according to the pre-configuration information.
  • the network device can directly determine the pre-configured second initialization parameter used to configure the physical downlink control channel PDCCH in the control resource set CORESET where the first wake-up signal is located according to the pre-configuration information.
  • the second initialization parameter is the initialization parameter of the second PDCCH DMRS.
  • the initialization parameter of the second PDCCH DMRS may be expressed as PDCCH-DMRS-ScramblingID2. It should be noted that the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS in this implementation is different from the initialization parameter PDCCH-DMRS-ScramblingID1 of the two PDCCH DMRS introduced above.
  • the PDCCH-DMRS-ScramblingID1 is configured by a network device, and the PDCCH-DMRS-ScramblingID2 is determined according to pre-configuration information. Specifically, it is similar to the foregoing step 402, and details are not repeated here.
  • the network device may first send the first high-level signaling related to the wake-up signal to the terminal device, and then, according to the pre-configuration information Determine the pre-configured second initialization parameter.
  • the network device may also first determine the pre-configured second initialization parameter according to the pre-configuration information, and then send the first high-level signaling related to the wake-up signal to the terminal device. The details are not limited here.
  • the network device determines a first wake-up signal according to the first initialization parameter, the pre-configured second initialization parameter, and the scrambling code initialization parameter.
  • the network device will use the aforementioned first initialization parameter, pre-configured second initialization parameter, and scrambling code initialization parameter to determine the first wake-up signal, where the first initialization parameter is the first PDCCH DMRS initialization parameter PDCCH -WUS-DMRS-ScramblingID, the pre-configured second initialization parameter is the second PDCCH DMRS initialization parameter PDCCH-DMRS-ScramblingID2, and the scrambling code initialization parameter is PDCCH-WUS-ScramblingID.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters, and then the The network device determines the first wake-up signal according to the first initialization value and the third initialization value.
  • the network device determines that the first initialization value is similar to the foregoing step 103 according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS and the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS. I won't repeat them here.
  • the network device may determine the first wake-up signal according to the first initialization value and the third initialization value,
  • the first wake-up signal is a 31-bit binary bit sequence. Specifically, it is similar to step 103, and details are not repeated here. It should be noted that the determination of the first initialization value and the determination of the third initialization value do not interfere with each other and are not limited in time sequence.
  • the network device may first determine the first initialization value and then the third initialization value, or may first determine the third initialization value and then the first initialization value, which is not specifically limited here.
  • the network device sends a first wake-up signal to the terminal device.
  • the network device when the network device wants to wake up the terminal device, the network device may send the aforementioned first wake-up signal to the terminal device.
  • the terminal device determines a pre-configured second initialization parameter according to the pre-configuration information.
  • the terminal device may also determine the pre-configured second initialization parameter according to the pre-configuration information, which is specifically similar to the foregoing step 502, and the details are not repeated here.
  • step 505 in this embodiment since the terminal device can obtain the pre-configuration information independently from the network device, there is no necessary time sequence between step 505 in this embodiment and the aforementioned steps 501 to 504. The details are not limited here.
  • the terminal device determines a second wake-up signal according to the first initialization parameter, the pre-configured second initialization parameter, and the scrambling code initialization parameter.
  • the terminal device after the terminal device receives the first high-level signaling sent by the network device and determines the pre-configured second initialization parameter, the terminal device will use the first initialization parameter and the pre-configured second initialization parameter And the scrambling code initialization parameter determines the second wake-up signal.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and initialize according to the scrambling code The parameter determines a third initialization value, and then, the network device determines the second wake-up signal according to the first initialization value and the third initialization value. The details are similar to step 303, and the details are not repeated here.
  • the step of determining the second wake-up signal by the terminal device should be after step 501, and there is no chronological sequence with step 502 to step 504. That is, the process of determining the second wake-up signal by the terminal device and the process of determining the first wake-up signal by the network device are independent of each other.
  • the terminal device may start to determine the second wake-up signal before the network device determines the first wake-up signal, and the terminal device may also determine the second wake-up signal after the network device sends the first wake-up signal to the terminal device
  • the signal is not limited here.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device.
  • the terminal device may use the second wake-up signal to detect the first wake-up signal. Specifically, it is similar to step 106 in the foregoing, and the details are not repeated here.
  • step 508 is executed.
  • the terminal device uses the second wake-up signal to detect that the first wake-up signal fails, the terminal device remains in a dormant state.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the first wake-up signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc., which is not specifically done here limited.
  • the first high-layer signaling also includes information used to configure the first wake-up signal.
  • the scrambling code initialization parameter information where the scrambling code initialization parameter is different from the aforementioned first initialization parameter and the pre-configured second initialization parameter.
  • the network device may determine the third initialization value according to the wireless network temporary identifier of the terminal device and/or the scrambling code initialization parameter. Then, the network device may determine the first wake-up signal according to the first initialization value and the third initialization value.
  • the network device may determine different initialization values according to different initialization parameters, and further, determine the first wake-up signal according to different initialization values. Therefore, the first wake-up signal determined by this embodiment is more diverse than the physical downlink control channel PDCCH signal in the prior art. Therefore, it is possible to reduce the probability that the terminal equipment mistakes the physical downlink control channel PDCCH signal as a wake-up signal, and also reduce the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells. Therefore, The interference between adjacent cells can be reduced, thereby improving the accuracy of the wake-up operation.
  • the steps performed by the terminal device and the network device in the wake-up method include:
  • the network device sends the first higher layer signaling related to the wake-up signal to the terminal device.
  • the network device may send the first high-layer signaling related to the wake-up signal to the terminal device, and the first high-layer signaling includes information for configuring the first initialization parameter of the first wake-up signal.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the first high-layer signaling also includes information for configuring the scrambling code initialization parameters of the first wake-up signal, and the network device can determine the scrambling code according to the information used to configure the scrambling code initialization parameters of the first wake-up signal.
  • Code initialization parameters Specifically, the scrambling code initialization parameter is different from the foregoing initialization parameter of the first PDCCH DMRS, and the scrambling code initialization parameter may be expressed as PDCCH-WUS-ScramblingID.
  • the first high-level signaling also includes information for configuring the content of the wake-up signal.
  • the information for configuring the content of the wake-up signal can be expressed as a bit sequence a 0 , a 1 , a 2 ,..., a A -1
  • the information used to configure the content of the wake-up signal can be recorded as PDCCH-WUS
  • the bit sequence of the information used to configure the content of the wake-up signal can be expressed as:
  • the information used to configure the content of the wake-up signal includes identification information of the terminal device, or bandwidth indication information, and the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device.
  • the network device determines the second higher layer signaling related to the control resource set CORESET;
  • the network device in addition to sending the first high-level signaling to the terminal device, can also determine the second high-level signaling related to the control resource set CORESET, which is used for configuration The control resource set CORESET where the first wake-up signal is located.
  • the second high layer signaling includes information for configuring the second initialization parameter of the physical downlink control channel PDCCH in the control resource set CORESET.
  • the network device or the terminal device may determine the second initialization parameter according to the second initialization parameter information in the second high-layer signaling.
  • the second initialization parameter is the initialization parameter of the second PDCCH DMRS.
  • the initialization parameter of the second PDCCH DMRS may be expressed as PDCCH-DMRS-ScramblingID1. Specifically, it is similar to the foregoing step 102 and will not be repeated here.
  • the specific value of the initialization parameter of the first PDCCH DMRS and the specific value of the initialization parameter of the second PDCCH DMRS may be configured by the network device, and the specific values are not limited here.
  • the network device determines the first wake-up signal according to the first initialization parameter, the second initialization parameter, the scrambling code initialization parameter, and the information used to configure the content of the wake-up signal.
  • the network device uses the aforementioned first initialization parameter, second initialization parameter, scrambling code initialization parameter, and information for configuring the content of the wake-up signal to determine the first wake-up signal, where the first initialization parameter is the first The PDCCH DMRS initialization parameter PDCCH-WUS-DMRS-ScramblingID, the second initialization parameter is the second PDCCH DMRS initialization parameter PDCCH-DMRS-ScramblingID1, and the scrambling code initialization parameter is PDCCH-WUS-ScramblingID.
  • the information used to configure the content of the wake-up signal includes identification information or bandwidth indication information of the terminal device, and the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters, and then the The network device determines the first wake-up signal according to the first initialization value, the third initialization value, and information for configuring the content of the wake-up signal.
  • the network device may also determine the second initialization value according to the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameter, and then, the network device may determine the second initialization value according to the second initialization parameter, The third initialization value and the information used to configure the content of the wake-up signal determine the first wake-up signal.
  • the specific manners for determining the first initialization value, the second initialization value, and the third initialization value are similar to the foregoing step 303, and the details are not repeated here.
  • the network device sends a first wake-up signal to the terminal device.
  • the network device when the network device wants to wake up the terminal device, the network device may send the aforementioned first wake-up signal to the terminal device.
  • the terminal device determines a second wake-up signal according to the first initialization parameter, the second initialization parameter, the scrambling code initialization parameter, and the information used to configure the content of the wake-up signal.
  • the terminal device after the terminal device receives the first high-level signaling and the second high-level signaling sent by the network device, the terminal device will use the first initialization parameter, the second initialization parameter, the scrambling code initialization parameter, and the use
  • the information for configuring the content of the wake-up signal determines the second wake-up signal. Specifically, it is similar to the foregoing step 303, and details are not repeated here.
  • the step of determining the second wake-up signal by the terminal device should be after step 601, and there is no chronological sequence with step 602 to step 604. That is, the process of determining the second wake-up signal by the terminal device and the process of determining the first wake-up signal by the network device are independent of each other.
  • the terminal device may start to determine the second wake-up signal before the network device determines the first wake-up signal, and the terminal device may also determine the second wake-up signal after the network device sends the first wake-up signal to the terminal device
  • the signal is not limited here.
  • the terminal device uses the second wake-up signal to detect the first wake-up signal sent by the network device.
  • the terminal device may use the second wake-up signal to detect the first wake-up signal. Specifically, it is similar to step 106 in the foregoing, and the details are not repeated here.
  • step 607 is executed.
  • the terminal device uses the second wake-up signal to detect that the first wake-up signal fails, the terminal device remains in a dormant state.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the first wake-up signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc., which is not specifically done here limited.
  • the first high-layer signaling also includes information for configuring the content of the wake-up signal, where the information for configuring the content of the wake-up signal
  • the identification information or bandwidth indication information of the terminal device is included, and the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive the data sent by the network device. Therefore, when the information used to configure the content of the wake-up signal and the aforementioned various initialization values are used to determine the first wake-up signal, not only the diversity of the first wake-up signal can be increased, but also identification information, bandwidth indication information, and other information can be carried. information. Therefore, when the terminal device receives the first wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • the terminal device needs to determine the second wake-up signal according to the initialization parameters or other information sent by the network device, and then use the second wake-up signal to detect the first wake-up signal sent by the network device.
  • the network device can directly send a detection signal to the terminal device. After the terminal device receives the detection signal and the first wake-up signal, the terminal device can directly use the detection signal to detect the first wake-up signal without determining the second wake-up signal.
  • the steps performed by the terminal device and the network device in the wake-up method include:
  • the network device sends the first higher layer signaling related to the wake-up signal to the terminal device.
  • the network device may send the first high-layer signaling related to the wake-up signal to the terminal device, and the first high-layer signaling includes information for configuring the first initialization parameter of the first wake-up signal.
  • the network device or the terminal device may determine the first initialization parameter according to the information of the first initialization parameter in the first high-layer signaling.
  • the first initialization parameter is the initialization parameter of the first PDCCH DMRS.
  • the initialization parameter of the first PDCCH DMRS may be expressed as PDCCH-WUS-DMRS-ScramblingID.
  • the first high-layer signaling may also include information for configuring the scrambling code initialization parameter of the first wake-up signal, and the network device may configure the scrambling code initialization parameter of the first wake-up signal according to the The information determines the scrambling code initialization parameters.
  • the scrambling code initialization parameter is different from the foregoing initialization parameter of the first PDCCH DMRS, and the scrambling code initialization parameter may be expressed as PDCCH-WUS-ScramblingID.
  • the first high-layer signaling may also include information for configuring the content of the wake-up signal.
  • the information used for configuring the content of the wake-up signal may be expressed as a bit sequence a 0 , a 1 , a 2 ,... , A A-1
  • the information used to configure the content of the wake-up signal can be recorded as PDCCH-WUS
  • the bit sequence of the information used to configure the content of the wake-up signal can be expressed as:
  • the information used to configure the content of the wake-up signal includes identification information of the terminal device, or bandwidth indication information, and the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device.
  • the network device determines a first wake-up signal according to the first initialization parameter.
  • the network device may use the foregoing first initialization parameter to determine the first wake-up signal, that is, the network device determines the first wake-up signal according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS. Specifically, the network device may first determine the second initialization value according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS, and then, the network device determines the first wake-up signal according to the second initialization value. The details are similar to the foregoing step 202, and the details are not repeated here.
  • the network device may determine the first wake-up signal according to the first initialization parameter and the second initialization parameter.
  • the first initialization value may be determined according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and then the network device determines the first wake-up signal according to the first initialization value.
  • the details are similar to step 103 above, and the details will not be repeated here.
  • the network device may determine the first wake-up signal according to the aforementioned first initialization parameter, second initialization parameter, and scrambling code initialization parameter, where:
  • the first initialization parameter is the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS
  • the second initialization parameter is the initialization parameter PDCCH-DMRS-ScramblingID1 of the second PDCCH DMRS
  • the scrambling code initialization parameter is PDCCH-WUS- ScramblingID.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters, and then the The network device determines the first wake-up signal according to the first initialization value and the third initialization value.
  • the network device may also determine the second initialization value according to the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameter, and then, the network device may determine the second initialization value according to the second initialization value and The third initialization value determines the first wake-up signal.
  • the details are similar to step 303 above, and the details are not repeated here.
  • the network device can use the first initialization parameter and the pre-configured second initialization parameter to determine the first wake-up signal, that is, the The network device determines the first wake-up signal according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS and the initialization parameter PDCCH-DMRS-Scrambling ID2 of the second PDCCH DMRS.
  • the network device may first determine the first initialization value according to the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS and the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS, and then the network device The first wake-up signal is determined according to the first initialization value.
  • the details are similar to step 403 above, and the details will not be repeated here.
  • the network device can use the aforementioned first initialization parameter, the pre-configured second initialization parameter, and the scrambling code initialization parameter to determine the first wake-up Signal, where the first initialization parameter is the initialization parameter PDCCH-WUS-DMRS-ScramblingID of the first PDCCH DMRS, and the pre-configured second initialization parameter is the initialization parameter PDCCH-DMRS-ScramblingID2 of the second PDCCH DMRS, and the scrambling code
  • the initialization parameter is PDCCH-WUS-ScramblingID.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters, and then the The network device determines the first wake-up signal according to the first initialization value and the third initialization value.
  • the details are similar to step 503 above, and the details will not be repeated here.
  • the network device may use the aforementioned first initialization parameter, second initialization parameter, scrambling code initialization parameter, and information for configuring the content of the wake-up signal to determine the first wake-up signal, where the first initialization parameter is the first PDCCH
  • the second initialization parameter is the second PDCCH DMRS initialization parameter PDCCH-DMRS-ScramblingID1
  • the scrambling code initialization parameter is PDCCH-WUS-ScramblingID.
  • the information used to configure the content of the wake-up signal includes identification information or bandwidth indication information of the terminal device, and the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device.
  • the network device may first determine the first initialization value according to the initialization parameters of the first PDCCH DMRS and the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameters, and then the The network device determines the first wake-up signal according to the first initialization value, the third initialization value, and information for configuring the content of the wake-up signal.
  • the network device may also determine the second initialization value according to the initialization parameters of the second PDCCH DMRS, and determine the third initialization value according to the scrambling code initialization parameter, and then, the network device may determine the second initialization value according to the second initialization parameter, The third initialization value and the information used to configure the content of the wake-up signal determine the first wake-up signal.
  • the details are similar to step 603 above, and the details will not be repeated here.
  • the first wake-up signal may be determined in any one of the foregoing manners, which is not specifically limited here.
  • the network device sends a first wake-up signal and a detection signal to the terminal device.
  • the network device may send the first wake-up signal and the detection signal to the terminal device.
  • the first wake-up signal and the detection signal may be sent separately, or they may be packaged and sent to the terminal device, and the details are not limited here.
  • the terminal device uses the detection signal to detect the first wake-up signal.
  • the terminal device may use the detection signal to detect the first wake-up signal.
  • step 705 is executed.
  • the terminal device uses the detection signal to detect that the first wake-up signal fails, the terminal device remains in a dormant state.
  • the terminal device receives or sends data to the network device.
  • the terminal device when the terminal device uses the detection signal to detect that the second wake-up signal is successful, the terminal device will receive further data sent by the network device or send further data to the network device, etc.
  • the specifics are not limited here.
  • the terminal device may not generate the second wake-up signal according to the initialization parameters, but directly use the detection signal to detect the first wake-up signal. Since the detection signal is separately configured by the network device, it can be distinguished from the physical downlink control channel PDCCH signal, which can reduce the probability that the terminal device will mistake the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving the wake-up operation The accuracy rate.
  • the structure of the terminal device may be as shown in FIG. 8 and mainly includes a processor 801 and an input/output device. 802 and memory.
  • the processor 801 may include circuits for audio/video and logic functions of the terminal device 80.
  • the processor 801 may include a digital signal processor device, a microprocessor device, an analog-to-digital converter, a digital-to-analog converter, and so on.
  • the control and signal processing functions of mobile devices can be distributed among these devices according to their respective capabilities.
  • the processor 801 may also include an internal voice encoder VC, an internal data modem DM, and so on.
  • the processor 801 may include a function of operating one or more software programs, and the software programs may be stored in a memory.
  • the processor 801 and stored software instructions may be configured to cause the terminal device to perform actions.
  • the processor 801 is configured to determine a second wake-up signal according to the first initialization parameter, and the second wake-up signal is used to detect the first wake-up signal sent by the network device.
  • the terminal device 80 further includes an input/output device 802, which is used to receive the first high-layer signaling related to the wake-up signal sent by the network device, and the first high-layer signaling includes a signal used to configure the second wake-up signal. The information of the first initialization parameter.
  • the processor 801 is further configured to determine the second higher layer signaling related to the control resource set CORESET, and the second higher layer signaling is used to configure the control resource set CORESET where the second wake-up signal is located. .
  • the terminal device may determine the second higher layer signaling related to the control resource set CORESET.
  • the second higher layer signaling is used to configure the control resource set CORESET where the second wake-up signal is located.
  • the signaling may include the first high layer signaling, or may be independent of the first high layer signaling, which is not specifically limited here.
  • because the second high layer signaling and the first high layer signaling are different high layer signaling. Therefore, when different high-level signaling is used to configure the wake-up signal, it can be distinguished from the physical downlink control channel PDCCH signal. Therefore, the probability that the physical downlink control channel PDCCH signal is mistaken for a wake-up signal can be reduced.
  • the processor 801 is further configured to determine, according to the pre-configuration information, a second initialization parameter for configuring the physical downlink control channel PDCCH in the control resource set CORESET where the second wake-up signal is located.
  • the second initialization parameter is not configured by the network device, but is pre-configured before the network device wants to wake up the terminal device. Therefore, the second initialization parameter can be determined according to the pre-configuration information. Therefore, the implementation flexibility of the scheme is enhanced.
  • the processor 801 is specifically configured to determine a second wake-up signal according to the first initialization parameter and the second initialization parameter.
  • a feasible way of determining the second wake-up signal is proposed, and the terminal device can determine the second wake-up signal according to the first initialization parameter and the second initialization parameter. Therefore, the generated second wake-up signal can be distinguished from the wake-up signal generated only by the second initialization parameter.
  • the second wake-up signal generated using two different initialization parameters has a larger range than the second wake-up signal generated using one initialization parameter. Therefore, the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells can be reduced, and therefore, the interference between adjacent cells can be reduced.
  • the processor 801 is specifically configured to determine a first initialization value according to the first initialization parameter and the second initialization parameter, and determine the second wake-up signal according to the first initialization value .
  • a method of generating the second wake-up signal according to the first initialization parameter and the second initialization parameter is further provided, that is, the first initialization value is first generated according to the first initialization parameter and the second initialization parameter, Then, the second wake-up signal is generated according to the first initialization value. Therefore, the specific implementation method of the scheme is clarified and the feasibility of the scheme is improved.
  • the processor 801 is specifically configured to determine a second initialization value according to the first initialization parameter, and determine the second wake-up signal according to the second initialization value.
  • the second initialization value determined by using the first initialization parameter is different from the initialization value in the prior art. Therefore, the second wake-up signal determined by using the second initialization value can be different from the physical downlink control channel PDCCH signal in the prior art. Therefore, the second wake-up signal can be distinguished from the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as the wake-up signal, thereby improving the accuracy of the wake-up operation.
  • the processor 801 is specifically configured to determine a third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter; according to the first initialization value and the third initialization value The initialization value determines the second wake-up signal; or, the second wake-up signal is determined according to the second initialization value and the third initialization value.
  • the first high layer signaling in addition to the information used to configure the first initialization parameter of the second wake-up signal in the first high layer signaling, the first high layer signaling also includes the information used to configure the second Information about the scrambling code initialization parameter of the wake-up signal, where the scrambling code initialization parameter is different from the aforementioned first initialization parameter and second initialization parameter.
  • the network device may determine the third initialization value according to the wireless network temporary identifier of the terminal device and/or the scrambling code initialization parameter. Then, the terminal device may determine the second wake-up signal according to the first initialization value and the third initialization value; or, the terminal device may also determine the second wake-up signal according to the second initialization value and the third initialization value. The second wake-up signal. In such an implementation, the terminal device may determine different initialization values according to different initialization parameters, and further, determine the second wake-up signal according to different initialization values. Therefore, the second wake-up signal determined by this embodiment is more diverse than the physical downlink control channel PDCCH signal in the prior art.
  • the terminal equipment mistakes the physical downlink control channel PDCCH signal as a wake-up signal, and also reduce the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells. Therefore, The interference between adjacent cells can be reduced, thereby improving the accuracy of the wake-up operation.
  • the processor 801 is further configured to determine a third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter, and to determine the third initialization value according to the third initialization value The second wake-up signal.
  • the first initialization parameter is the scrambling code initialization parameter of the second wake-up signal.
  • the first initialization parameter configured by the first high-layer signaling can replace the scrambling code initialization parameter in the prior art to determine the third initialization value, and then determine the second wake-up signal according to the third initialization value. Since the first initialization parameter is determined by the terminal device, the third initialization value determined by using the first initialization parameter can be different from the initialization value in the prior art.
  • the second wake-up signal determined by the third initialization value is different from the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device will mistake the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving the accuracy of the wake-up operation .
  • the processor 801 is further configured to determine the second wake-up signal according to the information used to configure the content of the wake-up signal, the first initialization value, and the third initialization value; or, according to The information for configuring the content of the wake-up signal, the second initialization value, and the third initialization value determine the second wake-up signal.
  • the first high-layer signaling also includes information for configuring the content of the wake-up signal, wherein the information for configuring the content of the wake-up signal
  • the information includes identification information or bandwidth indication information of the terminal device, and the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device.
  • the terminal device when the information used to configure the content of the wake-up signal and the aforementioned various initialization values are used to determine the second wake-up signal, not only the diversity of the second wake-up signal can be increased, but also identification information, bandwidth indication information, and other information can be carried. information. Therefore, when the terminal device receives the second wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission. Therefore, the feasibility of the scheme is improved.
  • the terminal device 80 may also include a user interface, which may include a speaker 8031 or a microphone 8032, etc., which is operatively coupled to the processor 801.
  • the processor 801 may include a user interface circuit configured to control at least some functions of one or more elements of the user interface.
  • the processor 801 and/or the user interface circuit including the processor 801 may be configured to control one or more of the user interface through computer program instructions (such as software and/or firmware) stored in a memory accessible by the processor 801.
  • One or more functions of the element may include a battery for powering various circuits related to the mobile device, such as a circuit that provides mechanical vibration as a detectable output.
  • the terminal device 80 may also include one or more connection circuit modules for sharing and/or obtaining data.
  • the terminal device 80 may include a transmitter 8041 and a receiver 8042, so as to realize the function of sending and receiving data.
  • the terminal device 80 may include a volatile memory 8051 and/or a non-volatile memory 8052.
  • the volatile memory 8051 may include random access memory RAM, which includes dynamic RAM and/or static RAM, on-chip and/or off-chip cache memory, and so on.
  • the non-volatile memory 8052 may be embedded and/or removable, which may include, for example, read-only memory, flash memory, and magnetic storage devices, such as hard disks, floppy disk drives, magnetic tapes, etc., optical disk drives and/or media , Non-volatile random access memory NVRAM and so on. Similar to the volatile memory 8051, the nonvolatile memory 8052 may include a cache area for temporary storage of data. At least a part of the volatile and/or non-volatile memory may be embedded in the processor 801. The memory can store one or more software programs, instructions, information blocks, data, etc., which can be used by the terminal device 80 to perform the functions of the mobile terminal device.
  • the steps performed by the terminal device may be based on the structure of the terminal device 80 shown in FIG. 8.
  • FIG. 9 it is a schematic diagram of the structure of a network device 90 provided by this embodiment. Or there may be a big difference due to different performance, which may include one or more processors 901 and memory 902, and one or more storage media 903 (for example, one or more storage devices with a large amount of data) storing application programs or data. Among them, the memory 902 and the storage medium 903 may be short-term storage or persistent storage.
  • the processor 901 is configured to determine the first wake-up signal according to the first initialization parameter.
  • the network device 90 also includes one or more input/output devices 905.
  • the input/output devices 905 are used to send the first high-layer signaling related to the wake-up signal, and the first high-layer signaling includes the first wake-up signal for configuring the first wake-up signal. And send the first wake-up signal.
  • the processor 901 is further configured to determine the second higher layer signaling related to the control resource set CORESET, and the second higher layer signaling is used to configure the control resource set CORESET where the first wake-up signal is located.
  • the network device may determine the second higher layer signaling related to the control resource set CORESET.
  • the second higher layer signaling is used to configure the control resource set CORESET where the first wake-up signal is located.
  • the signaling may include the first high layer signaling, or may be independent of the first high layer signaling, which is not specifically limited here. In such an embodiment, because the second high layer signaling and the first high layer signaling are different high layer signaling.
  • the processor 901 is further configured to determine, according to the pre-configuration information, a second initialization parameter for configuring the physical downlink control channel PDCCH in the control resource set CORESET where the first wake-up signal is located.
  • the second initialization parameter is not configured by the network device, but is pre-configured before the network device wants to wake up the terminal device. Therefore, the second initialization parameter can be determined according to the pre-configuration information. Therefore, the implementation flexibility of the scheme is enhanced.
  • the processor 901 is further configured to determine a first wake-up signal according to the first initialization parameter and the second initialization parameter.
  • the network device may determine the first wake-up signal according to the first initialization parameter and the second initialization parameter. Therefore, the generated first wake-up signal can be distinguished from the wake-up signal generated only by the second initialization parameter.
  • the first wake-up signal generated by using two different initialization parameters has a larger range than the first wake-up signal generated by using one initialization parameter. Therefore, the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells can be reduced, and therefore, the interference between adjacent cells can be reduced.
  • the processor 901 is specifically configured to determine a first initialization value according to the first initialization parameter and the second initialization parameter, and determine the first wake-up signal according to the first initialization value.
  • a method of generating the first wake-up signal according to the first initialization parameter and the second initialization parameter is further provided, that is, the first initialization value is first generated according to the first initialization parameter and the second initialization parameter, Then, the first wake-up signal is generated according to the first initialization value. Therefore, the specific implementation method of the scheme is clarified and the feasibility of the scheme is improved.
  • the processor 901 is specifically configured to determine a second initialization value according to the first initialization parameter, and determine the first wake-up signal according to the second initialization value.
  • the processor 901 is specifically configured to determine a second initialization value according to the first initialization parameter, and determine the first wake-up signal according to the second initialization value.
  • the second initialization value is used to determine the first wake-up signal.
  • the first wake-up signal determined by using the second initialization value can be different from the physical downlink control channel PDCCH signal in the prior art. Therefore, the first wake-up signal and the physical downlink control channel PDCCH signal can be distinguished, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as the wake-up signal, thereby improving the accuracy of the wake-up operation.
  • the processor 901 is specifically configured to determine a third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter; according to the first initialization value and the third initialization value The value determines the first wake-up signal; or, the first wake-up signal is determined according to the second initialization value and the third initialization value.
  • the first high layer signaling in addition to the information used to configure the first initialization parameter of the first wake-up signal in the first high layer signaling, the first high layer signaling also includes the information used to configure the first Information about the scrambling code initialization parameter of the wake-up signal, where the scrambling code initialization parameter is different from the aforementioned first initialization parameter and second initialization parameter.
  • the network device may determine the third initialization value according to the wireless network temporary identifier of the terminal device and/or the scrambling code initialization parameter. Then, the network device may determine the first wake-up signal according to the first initialization value and the third initialization value; or, the network device may also determine the first wake-up signal according to the second initialization value and the third initialization value. The first wake-up signal. In such an embodiment, the network device may determine different initialization values according to different initialization parameters, and further, determine the first wake-up signal according to different initialization values. Therefore, the first wake-up signal determined by this embodiment is more diverse than the physical downlink control channel PDCCH signal in the prior art.
  • the terminal equipment mistakes the physical downlink control channel PDCCH signal as a wake-up signal, and also reduce the possibility that there may be terminal devices with the same wake-up signal between two or more adjacent cells. Therefore, The interference between adjacent cells can be reduced, thereby improving the accuracy of the wake-up operation.
  • the processor 901 is further configured to determine a third initialization value according to the wireless network temporary identification of the terminal device and/or the scrambling code initialization parameter, and determine the third initialization value according to the third initialization value.
  • a wake-up signal In such an embodiment, the first initialization parameter is a scrambling code initialization parameter of the first wake-up signal.
  • the first initialization parameter configured by the first high layer signaling can replace the scrambling code initialization parameter in the prior art to determine the third initialization value, and then the first wake-up signal is determined according to the third initialization value. Since the first initialization parameter is determined by the network device, the third initialization value determined by using the first initialization parameter may be different from the initialization value in the prior art.
  • the first wake-up signal determined by the third initialization value is different from the physical downlink control channel PDCCH signal, which reduces the probability that the terminal device mistakes the physical downlink control channel PDCCH signal as a wake-up signal, thereby improving the accuracy of the wake-up operation .
  • the processor 901 is further configured to determine the first wake-up signal according to the information for configuring the content of the wake-up signal, the first initialization value, and the third initialization value; or, according to the The information used to configure the content of the wake-up signal, the second initialization value, and the third initialization value determine the first wake-up signal.
  • the first high-level signaling also includes information for configuring the content of the wake-up signal, where the information for configuring the content of the wake-up signal includes the terminal Identification information or bandwidth indication information of the device, where the bandwidth indication information is used to indicate the size of the bandwidth for the terminal device to receive data sent by the network device.
  • the terminal device when the information used to configure the content of the wake-up signal and the aforementioned various initialization values are used to determine the first wake-up signal, not only the diversity of the first wake-up signal can be increased, but also identification information, bandwidth indication information, and other information can be carried. information. Therefore, when the terminal device receives the first wake-up signal, the terminal device may not only be awakened, but may also obtain more information that is beneficial to subsequent data transmission.
  • the network device 90 may also include one or more power supplies 904, and/or one or more operating systems, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, etc.
  • operating systems such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, etc.
  • all steps performed by the network device may be based on the structure of the network device 90 shown in FIG. 9.
  • the embodiments of the present application also provide a computer storage medium, which is used to store computer instructions used for the above-mentioned network device, and includes a program used to execute a program designed for the network device.
  • the computer program product includes one or more computer instructions.
  • the procedures or functions described in the embodiments of the present application are generated in whole or in part.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne, dans certains modes de réalisation, un procédé de réveil et un dispositif associé susceptibles d'améliorer la précision d'une opération de réveil. Dans un mode de réalisation de la présente invention, le procédé comporte les étapes suivantes: un appareil de réseau émet une première signalisation de couche supérieure associée à un signal de réveil, la première signalisation de couche supérieure comportant des informations d'un premier paramètre d'initialisation utilisé pour configurer un premier signal de réveil; l'appareil de réseau détermine le premier signal de réveil selon le premier paramètre d'initialisation; et l'appareil de réseau émet le premier signal de réveil.
PCT/CN2020/081551 2019-03-29 2020-03-27 Procédé de réveil et dispositif associé Ceased WO2020200063A1 (fr)

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