[go: up one dir, main page]

WO2018059014A1 - Procédé et dispositif de détermination de séquence temporelle - Google Patents

Procédé et dispositif de détermination de séquence temporelle Download PDF

Info

Publication number
WO2018059014A1
WO2018059014A1 PCT/CN2017/088487 CN2017088487W WO2018059014A1 WO 2018059014 A1 WO2018059014 A1 WO 2018059014A1 CN 2017088487 W CN2017088487 W CN 2017088487W WO 2018059014 A1 WO2018059014 A1 WO 2018059014A1
Authority
WO
WIPO (PCT)
Prior art keywords
search space
timing
side device
network side
dci
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/088487
Other languages
English (en)
Chinese (zh)
Inventor
司倩倩
潘学明
高雪娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Publication of WO2018059014A1 publication Critical patent/WO2018059014A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a method and device for determining timing.
  • TTI transmission time interval
  • Another method is to improve the processing performance and reduce the processing time on the base station and the user equipment side. For downlink data transmission, if the processing time is reduced, the user equipment can perform feedback faster, and the base station can also perform scheduling faster.
  • Time Division Duplex (TDD) system also uses 1 ms TTI length for transmission, the existing uplink scheduling or downlink feedback timing (for example, the 3rd Generation Partnership Project Long Term Evolution Release 13th Edition (3GPP LTE Rel) -13) and the uplink scheduling or downlink feedback timing defined in the previous version of the protocol are no longer applicable.
  • a new uplink scheduling or downlink feedback timing needs to be defined according to the actual processing capability of the user equipment. If the user equipment is configured to use the new uplink scheduling or downlink feedback timing through the high-level signaling, there is no specific method to support the user equipment to roll back using the traditional uplink scheduling or downlink feedback timing.
  • the present application provides a method for determining timing to solve the problem in the prior art that there is no method for indicating the timing of user equipment usage.
  • the embodiment of the present application provides a method for determining a sequence, including:
  • the network side device determines a search space corresponding to the target timing; wherein the target timing is a timing indicating that the network side device uses the user equipment, and the target timing is a first timing or a second timing;
  • the network side device sends downlink control information DCI to the user equipment by using the search space, so that the user equipment determines a corresponding target timing according to the search space for sending the DCI;
  • the network side device sends different sizes of DCIs in different search spaces.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is an uplink scheduling or downlink feedback timing defined in a protocol of the third generation partnership program long-term evolution release 13th edition 3GPP LTE Rel-13 and previous versions, where the second timing is 3GPP Uplink scheduling or downlink ACK/NACK feedback timing that can be used by UEs with high processing capability in LTE Rel-14 and later.
  • the network side device sends different sizes of DCIs in different search spaces, including:
  • the network side device transmits an x bit DCI in the UE specific search space, and transmits x+y bit DCI in the common search space;
  • y is a complement bit, and x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the network side device when the multi-carrier transmission is performed, the network side device sends an x-bit DCI in a UE-specific search space of the secondary carrier;
  • the network side device secondary carrier transmits x+y bit DCI in the UE specific search space.
  • the network side device determines a search space corresponding to the target timing, and specifically includes:
  • the network side device determines that the first timing corresponds to the UE specific search space, and determines that the second timing corresponds to the common search space.
  • the embodiment of the present application further provides a method for determining a sequence, including:
  • the user equipment detects the downlink control information DCI sent by the network side device, and determines, according to the size of the DCI sent by the network side device, the search space used by the network side device to send the DCI; wherein the network side device is in a different search space. Detect different sizes of DCI;
  • the user equipment determines a corresponding target timing according to the search space; wherein the target timing is a timing at which the network side device indicates user equipment usage, and the target timing is a first timing or a second timing.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is an uplink scheduling or downlink feedback timing defined in a protocol of the third generation partnership program long-term evolution release 13th edition 3GPP LTE Rel-13 and previous versions, where the second timing is 3GPP LTE Uplink scheduling or downlink ACK/NACK feedback timing that can be used by UEs with high processing capability in Rel-14 and later versions.
  • the detecting, by the user equipment, the DCI sent by the network side device specifically includes:
  • the user equipment detects, by using x bits, the DCI sent by the network side device in the common search space, and detects the DCI sent by the network side device by using the x+y bit in the UE specific search space; or
  • the user equipment detects the DCI sent by the network side device by using the x+y bit in the common search space, and detects the DCI sent by the network side device by using the x bit in the UE specific search space;
  • y is a complement bit, and x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the user equipment uses the x-bit to detect the DCI sent by the network-side device in the UE-specific search space of the secondary carrier;
  • the user equipment detects the DCI sent by the network side device by using the x+y bit in the UE-specific search space of the secondary carrier.
  • the determining, by the user equipment, the corresponding target timing according to the search space specifically includes:
  • the user equipment determines that the target timing corresponding to the common search space is the second timing, and determines that the target timing corresponding to the UE specific search space is the first timing.
  • An embodiment of the present application is a network side device that determines timing, and includes:
  • a determining module configured to determine a search space corresponding to the target timing; wherein the target timing is a timing indicating that the network side device uses the user equipment, and the target timing is a first timing or a second timing;
  • a sending module configured to send downlink control information DCI to the user equipment by using the search space, so that the user equipment determines a corresponding target timing according to a search space that sends the DCI;
  • the network side device sends different sizes of DCIs in different search spaces.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is an uplink scheduling or downlink feedback timing defined in a protocol of the third generation partnership program long-term evolution release 13th edition 3GPP LTE Rel-13 and previous versions, where the second timing is 3GPP Uplink scheduling or downlink ACK/NACK feedback timing that can be used by UEs with high processing capability in LTE Rel-14 and later.
  • the sending module is specifically configured to:
  • the network side device sends an x-bit DCI in the common search space, and sends the information in the UE-specific search space. Sending x+y bit DCI; or the network side device transmitting x bit DCI in the UE specific search space, transmitting x+y bit DCI in the common search space; wherein the y is a complement bit, Let x and y be positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the sending module is specifically configured to:
  • the determining module is specifically configured to:
  • Determining that the first timing corresponds to the common search space, determining that the second timing corresponds to the UE-specific search space, or determining that the first timing corresponds to the UE-specific search space, and determining the second timing correspondence The public search space.
  • the embodiment of the present application further provides a user equipment for determining timing, including:
  • a detection module configured to detect a downlink control information DCI sent by the network side device, and determine, according to the size of the DCI sent by the network side device, a search space used by the network side device to send a DCI; where the network side device is different Search space to detect DCI of different sizes;
  • a processing module configured to determine, according to the search space, a corresponding target timing; where the target timing is a timing indicating that the network side device uses the user equipment, where the target timing is a first timing or a second timing.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is an uplink scheduling or downlink feedback timing defined in a protocol of the third generation partnership program long-term evolution release 13th edition 3GPP LTE Rel-13 and previous versions, where the second timing is 3GPP Uplink scheduling or downlink ACK/NACK feedback timing that can be used by UEs with high processing capability in LTE Rel-14 and later.
  • the detecting module is specifically configured to:
  • the user equipment detects, by using x bits, the DCI sent by the network side device in the common search space, and uses the x+y bit to detect the DCI sent by the network side device in the UE specific search space; or the user equipment is in the public
  • the search space uses the x+y bit to detect the DCI sent by the network side device, and uses the x bit in the UE specific search space to detect the DCI sent by the network side device;
  • y is a complement bit, and x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the detecting module is specifically configured to:
  • the user equipment detects the DCI sent by the network side device by using x bits in the UE specific search space of the secondary carrier; or the user equipment detects the DCI sent by the network side device by using the x+y bit in the UE specific search space of the secondary carrier.
  • processing module is specifically configured to:
  • the embodiment of the present application further provides a network side device for determining timing, including:
  • a processor for reading a program in the memory performing the following process:
  • the target timing is a timing at which the network side device indicates usage by the user equipment, and the target timing is a first timing or a second timing;
  • a transceiver for receiving and transmitting data under the control of a processor specifically:
  • the network side device sends different sizes of DCIs in different search spaces.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is an uplink scheduling or downlink feedback timing defined in a protocol of the third generation partnership program long-term evolution release 13th edition 3GPP LTE Rel-13 and previous versions, where the second timing is 3GPP Uplink scheduling or downlink ACK/NACK feedback timing that can be used by UEs with high processing capability in LTE Rel-14 and later.
  • the transceiver is specifically used to:
  • Transmitting an x-bit DCI in the common search space transmitting x+y-bit DCI in the UE-specific search space; or transmitting, by the network-side device, an x-bit DCI in the UE-specific search space, in the public search
  • the space transmits x + y bit DCI; wherein y is a complement bit, and x, y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the transceiver when the multi-carrier transmission is performed, the transceiver is specifically configured to:
  • the processor is specifically configured to:
  • Determining that the first timing corresponds to the common search space, determining that the second timing corresponds to the UE-specific search space, or determining that the first timing corresponds to the UE-specific search space, and determining the second timing correspondence The public search space.
  • An embodiment of the present invention further provides a user equipment for determining a sequence, including:
  • a transceiver for receiving and transmitting data under the control of a processor specifically:
  • Detecting the downlink control information DCI sent by the network side device and determining, according to the size of the DCI sent by the network side device, the search space used by the network side device to send the DCI;
  • the network side device detects different sizes of DCI in different search spaces
  • a processor for reading a program in the memory performing the following process:
  • the target timing is a timing at which the network side device indicates usage by the user equipment, and the target timing is a first timing or a second timing.
  • the search space is a common search space or a UE-specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • the uplink scheduling or downlink ACK/NACK feedback timing that the UE can use.
  • the transceiver is specifically used to:
  • Detecting DCI transmitted by the network side device using x bits in the common search space detecting DCI sent by the network side device using x+y bits in the UE specific search space; or detecting using x+y bits in the common search space.
  • the DCI sent by the network side device detects the DCI sent by the network side device by using x bits in the UE specific search space; wherein the y is a complement bit, and the x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the transceiver when multi-carrier transmission, is specifically used to:
  • the DCI transmitted by the network side device is detected using the x bit in the UE-specific search space of the secondary carrier; or the DCI transmitted by the network side device is detected using the x+y bit in the UE-specific search space of the secondary carrier.
  • the processor is specifically configured to:
  • Determining that the target timing corresponding to the common search space is the first timing determining that the target timing corresponding to the UE-specific search space is the second timing; or determining that the target timing corresponding to the common search space is the first timing
  • the second timing determines that the target timing corresponding to the UE specific search space is the first timing.
  • determining the target timing corresponds to The search space is sent to the user equipment through the determined search space; after detecting the DCI sent by the network side device, the user equipment determines the sequence to be used according to the search space used by the network side to send the DCI. Therefore, the user equipment can determine the timing to be used according to the indication of the network side device.
  • FIG. 1 is a schematic structural diagram of a system for determining timing according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of uplink scheduling and downlink feedback according to an embodiment of the present application
  • FIG. 3 is a schematic structural diagram 1 of a network side device for determining timing according to an embodiment of the present application
  • FIG. 4 is a schematic structural diagram 1 of a user equipment for determining a sequence according to an embodiment of the present application
  • FIG. 5 is a schematic structural diagram 2 of a network side device for determining timing according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram 2 of a user equipment for determining a sequence according to an embodiment of the present application
  • FIG. 7 is a flowchart 1 of a method for determining timing according to an embodiment of the present application.
  • FIG. 8 is a second flowchart of a method for determining timing according to an embodiment of the present application.
  • FIG. 9 is a flowchart of a process for determining timing according to an embodiment of the present application.
  • the system for replacing the timing of the example of the present application includes the network side device 10 and the user device 20:
  • the network side device 10 is configured to determine a search space corresponding to the target timing, and send the DCI to the user equipment by using the search space, so that the user equipment determines a corresponding target timing according to the search space for sending the DCI;
  • the user equipment 20 is configured to detect a DCI sent by the network side device, and determine, according to the size of the DCI sent by the network side device, a search space used by the network side device to send the DCI, and determine a corresponding target timing according to the search space. .
  • the network side device sends different sizes of DCIs in different search spaces; correspondingly, the user equipment detects different sizes of DCIs in different search spaces.
  • the target timing is a timing at which the network side device indicates usage by the user equipment, where the target timing is a first timing or a second timing;
  • the first timing in the embodiment of the present application is an uplink scheduling or downlink feedback timing defined in a protocol of the 3GPP LTE Rel-13 and the previous version;
  • the second timing in the embodiment of the present application is an uplink scheduling or downlink ACK/NACK feedback timing that can be used by a UE with high processing capability in 3GPP LTE Rel-14 and later versions.
  • the second timing is 3GPP LTE.
  • Rel-14 and later versions only the UEs with high processing capability can use the timing, and the user equipment with low processing capability cannot use the second timing.
  • the user equipment 20 in the embodiment of the present application is a user equipment that supports the latest processing capability
  • the user equipment that supports the latest processing capability refers to a user equipment whose processing speed is higher than a conventional process.
  • the user equipment 20 of the embodiment of the present application is capable of supporting the second timing.
  • the search space in the embodiment of the present application is a public search space or a user equipment UE specific search space.
  • the user equipment 20 of the embodiment of the present application is a user equipment supporting the latest processing capability
  • the network side device sends the downlink control information DCI to the user equipment 20 through the search space
  • the common search space and the UE-specific search are used for the same DCI.
  • the size of the DCI sent by the space can be different.
  • the network side device presets the correspondence between the search space and the target timing. After determining the target timing, the network side device 10 determines the search space corresponding to the target timing according to the correspondence between the search space and the target timing, and uses the determined The search space sends a DCI to the user device 20.
  • Case 1 The network side device determines that the first timing corresponds to the common search space, and determines that the second timing corresponds to the UE specific search space.
  • the network side device 10 determines that the user equipment 20 needs to be instructed to use the first timing
  • the network side device 10 transmits the DCI to the user equipment 20 through the common search space
  • the network side device 10 determines that the user equipment 20 needs to be instructed to use the second timing
  • the network The side device 10 transmits the DCI to the user device 20 through the UE-specific search space.
  • the user equipment 20 detects the DCI sent by the network side device 10, and determines the target timing corresponding to the search space according to the search space used by the network side device 10 to transmit the DCI.
  • the user equipment determines that the target timing corresponding to the common search space is the first timing, and determines The target timing corresponding to the UE-specific search space is the second timing.
  • the user equipment 20 determines that the search space used by the network side device 10 to transmit the DCI is a common search space, it is determined that the target timing indicated by the network side device is the first timing; and the user equipment 20 determines that the search space used by the network side device 10 to transmit the DCI is When the UE specifies the search space, it is determined that the target timing indicated by the network side device is the second timing.
  • Case 2 The network side device determines that the first timing corresponds to the UE specific search space, and determines that the second timing corresponds to the common search space.
  • the network side device 10 determines that the user equipment 20 needs to be instructed to use the first timing, the network side device 10 transmits the DCI to the user equipment 20 through the UE specific search space; when the network side device 10 determines that the user equipment 20 needs to be instructed to use the second timing, The network side device 10 transmits the DCI to the user equipment 20 through the common search space.
  • the user equipment 20 detects the DCI sent by the network side device 10, and determines the target timing corresponding to the search space according to the search space used by the network side device 10 to transmit the DCI.
  • the user equipment determines that the target timing corresponding to the common search space is the second timing, and determines that the target timing corresponding to the UE specific search space is the first timing.
  • the user equipment 20 determines that the search space used by the network side device 10 to transmit the DCI is a common search space, it is determined that the target timing indicated by the network side device is the second timing; and the user equipment 20 determines that the search space used by the network side device 10 to transmit the DCI is When the UE specifies the search space, it is determined that the target timing indicated by the network side device is the first timing.
  • the common search space in the embodiment of the present application is used to transmit downlink control information related to Paging (Paging Message), Random Access Response (RA Response), Broadcast Control Channel (BCCH), and the like ( Community level public information), this information is the same for all UEs.
  • the UE-specific search space is used to transmit control information (UE level information) related to a downlink shared channel (DL-SCH), an uplink shared channel (UL-SCH), and the like.
  • DL-SCH downlink shared channel
  • UL-SCH uplink shared channel
  • the common search space can also be used to transmit control information belonging to a particular UE.
  • the public search space can only be used to transfer smaller DCI format (format) 0/1A/3/3A/1C. Therefore, there may be overlapping areas between the common search space and the UE-specific search space.
  • the network side device in the embodiment of the present application sends different sizes of DCI in different search spaces, so that the user equipment 20 determines according to the detected DCI size.
  • the search space used by the DCI sent by the network side device is not limited to
  • Case 1 The network side device sends an x bit DCI in the common search space, and sends an x+y bit DCI in the UE specific search space.
  • y is a complement bit, and x and y are positive integers.
  • the network side device 10 of the embodiment of the present application determines the search space used for transmitting the DCI according to the correspondence between the target timing and the search space. If the network side device 10 determines to transmit the DCI in the common search space, the network side device 10 transmits the x bit DCI in the common search space; if the network side device 10 determines to transmit the DCI in the UE specific search space, the network side device 10 is The DCI that adds y complement bits is transmitted in the UE-specific search space, that is, the x+y-bit DCI is transmitted in the UE-specific search space.
  • the user equipment 20 needs to detect the DCI sent by the network side device 10 in the public search space and the UE specific search space respectively, and the user equipment 20 detects the DCI sent by the network side device 10 in the following manner:
  • the user equipment detects, by using x bits, the DCI sent by the network side device in the common search space, and uses the x+y bit in the UE specific search space to detect the DCI sent by the network side device.
  • the user equipment 20 After the user equipment 20 detects the different sizes of DCIs used in the different search spaces, the user equipment determines, according to the size of the detected DCI, the search space used by the network side device 10 to send the DCI, specifically:
  • the search space used by the network side device 10 to transmit the DCI is a common search space; if the user equipment 20 detects the DCI sent by the network side device 10 The size is x+y bits, and it is determined that the search space used by the network side device 10 to transmit the DCI is the UE-specific search space.
  • the complement bit is located at the end of the DCI information bit.
  • the network side device sends x bit DCI in the UE specific search space, and sends x+y bit DCI in the common search space;
  • y is a complement bit, and x and y are positive integers.
  • the network side device 10 of the embodiment of the present application determines the search space used for transmitting the DCI according to the correspondence between the target timing and the search space. If the network side device 10 determines to transmit the DCI in the UE specific search space, the network side device 10 transmits the x bit DCI in the UE specific search space; if the network side device 10 determines to transmit the DCI in the common search space, the network side device 10 A DCI that adds y complement bits is transmitted in the common search space, ie, x+y bit DCI is transmitted in the common search space.
  • the user equipment 20 needs to detect the DCI sent by the network side device 10 in the public search space and the UE specific search space respectively, and the user equipment 20 detects the DCI sent by the network side device 10 in the following manner:
  • the user equipment detects the DCI sent by the network side device by using the x+y bit in the common search space, and detects the DCI sent by the network side device by using the x bit in the UE specific search space.
  • the user equipment 20 After the user equipment 20 detects the different sizes of DCIs used in the different search spaces, the user equipment determines, according to the size of the detected DCI, the search space used by the network side device 10 to send the DCI, specifically:
  • the search space used by the network side device 10 to send the DCI is a common search space; if the user equipment 20 detects the network side device 10 sends the The size of the DCI is x bits, and it is determined that the search space used by the network side device 10 to transmit the DCI is the UE-specific search space.
  • the complement bit is located at the end of the DCI information bit.
  • the network-side device sends the DCI to the user equipment 20 through the UE-specific search space of the secondary carrier, which may be sent in the following manner:
  • the network side device sends an x bit DCI in a UE specific search space of the secondary carrier
  • the user equipment detects the DCI sent by the network side device by using x bits in the UE specific search space of the secondary carrier.
  • Manner 2 The network side device secondary carrier sends the x+y bit DCI in the UE specific search space
  • the user equipment detects the DCI sent by the network side device by using the x+y bit in the UE-specific search space of the secondary carrier.
  • the embodiment of the present application is a single carrier transmission. If the network side device 10 uses the common search space to send the DCI to indicate that the user equipment uses the first sequence, the UE-specific search space is used to transmit the DCI to indicate that the user equipment uses the second sequence; and the network-side device 10 uses the common search space to send the DCI to the size of x bits.
  • the size of the DCI transmitted using the UE-specific search space is x+y bits.
  • the user equipment 20 detects the DCI transmitted by the network side device using x bits in the common search space, and detects the DCI transmitted by the network side device using the x+y bit in the UE specific search space. If the size of the DCI detected by the user equipment 20 is x bits, it is determined that the DCI is sent by the network side device 10 by using a common search space, and then determining that the timing indicated by the network side device is the first timing; if the DCI detected by the user equipment 20 If the size is x+y, it is determined that the DCI is sent by the network side device 10 in the UE-specific search space, and then the timing indicated by the network side device is determined to be the second sequence.
  • the user equipment 20 detects the downlink scheduling signaling in the subframe n, and the subframe n includes a physical downlink control channel (PDCCH) and a physical downlink shared channel (Physical Downlink Shared).
  • PDCH physical downlink control channel
  • Physical Downlink Shared Physical Downlink Shared
  • C-RNTI Cell-Radio Network Temporary Identifier
  • SPS-RNTI Semi-Persistent Schedule Network Temporary Identifier
  • Embodiments of the present application are multi-carrier transmission.
  • the network side device 10 sends the DCI to the user equipment 20 on the primary carrier:
  • the network side device 10 uses the common search space to transmit the DCI on the primary carrier to indicate that the user equipment uses the first sequence
  • the use of the UE-specific search space in the primary carrier to transmit the DCI indicates that the user equipment uses the second sequence; and the network-side device 10 uses the common search space.
  • the size of the transmitted DCI is x bits
  • the size of the DCI transmitted using the UE-specific search space is x+y bits.
  • the user equipment 20 detects the DCI transmitted by the network side device using the x bit in the common search space on the primary carrier, and detects the DCI transmitted by the network side device using the x+y bit in the UE specific search space on the primary carrier. If the size of the DCI detected by the user equipment 20 is x bits, it is determined that the DCI is sent by the network side device 10 by using a common search space, and then determining that the timing indicated by the network side device is the first timing; if the DCI detected by the user equipment 20 If the size is x+y, it is determined that the DCI is sent by the network side device 10 in the UE-specific search space, and then the timing indicated by the network side device is determined to be the second sequence.
  • the network side device 10 sends the DCI to the user equipment 20 on the secondary carrier:
  • the network side device Since there is no common search space on the secondary carrier, the network side device does not support the timing indicating the use of the user equipment on the secondary carrier.
  • the user equipment 20 detects the DCI sent by the network side device 10 using the x-bit in the UE-specific search space of the secondary carrier;
  • the user equipment 20 detects the DCI sent by the network side device 10 by using the x+y bit in the UE-specific search space of the secondary carrier. .
  • the network side device 10 in the system for determining the timing in the embodiment of the present application includes:
  • a determining module 301 configured to determine a search space corresponding to the target timing; wherein the target timing is a timing indicating that the network side device uses the user equipment, and the target timing is a first timing or a second timing;
  • the sending module 302 is configured to send downlink control information DCI to the user equipment by using the search space, so that the user equipment determines a corresponding target timing according to the search space for sending the DCI, where the network side device is Different sizes of DCI are sent in different search spaces.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • the uplink scheduling or downlink ACK/NACK feedback timing that the UE can use.
  • the sending module 302 is specifically configured to:
  • the network side device transmits an x bit DCI in the common search space, and transmits x+y bit DCI in the UE specific search space; or the network side device sends an x bit DCI in the UE specific search space, Transmitting x+y bit DCI in the common search space; wherein y is a complement bit, and x, y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the sending module 302 is specifically configured to:
  • the determining module 301 is specifically configured to:
  • Determining that the first timing corresponds to the common search space, determining that the second timing corresponds to the UE-specific search space, or determining that the first timing corresponds to the UE-specific search space, and determining the second timing correspondence The public search space.
  • the user equipment 20 in the system for determining timing in the embodiment of the present application includes:
  • the detecting module 401 is configured to detect a DCI sent by the network side device, and determine, according to the size of the DCI sent by the network side device, a search space used by the network side device to send a DCI; where the network side device searches in different Spatial detection of DCIs of different sizes;
  • the processing module 402 is configured to determine a corresponding target timing according to the search space; where the target timing is a timing that the network side device indicates the user equipment usage, and the target timing is a first timing or a second timing.
  • the search space is a common search space or a UE-specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • the uplink scheduling or downlink ACK/NACK feedback timing that the UE can use.
  • the detecting module 401 is specifically configured to:
  • the user equipment detects, by using x bits, the DCI sent by the network side device in the common search space, and uses the x+y bit to detect the DCI sent by the network side device in the UE specific search space; or the user equipment is in the public
  • the search space uses the x+y bit to detect the DCI sent by the network side device, and uses the x bit to detect the DCI sent by the network side device in the UE specific search space; wherein the y is a complement bit, and the x and y are positive Integer.
  • the complement bit is located at the end of the DCI information bit.
  • the detecting module 401 is specifically configured to:
  • the user equipment detects the DCI sent by the network side device by using x bits in the UE specific search space of the secondary carrier; or the user equipment detects the DCI sent by the network side device by using the x+y bit in the UE specific search space of the secondary carrier.
  • processing module 402 is specifically configured to:
  • the network side device included in the system for determining timing in the embodiment of the present application includes: a bus 500, a processor 501, a transceiver 502, a bus interface 503, a memory 504, and an antenna 505.
  • the processor 501 is configured to read a program in the memory 504 and perform the following process:
  • the target timing is a timing at which the network side device indicates usage by the user equipment, and the target timing is a first timing or a second timing;
  • the transceiver 502 is configured to receive and send data under the control of the processor 501, specifically:
  • the network side device sends different sizes of DCIs in different search spaces.
  • the search space is a common search space or a UE-specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • the uplink scheduling or downlink ACK/NACK feedback timing that the UE can use.
  • the transceiver 502 is specifically configured to:
  • Transmitting an x-bit DCI in the common search space transmitting x+y-bit DCI in the UE-specific search space; or transmitting, by the network-side device, an x-bit DCI in the UE-specific search space, in the public search
  • the space transmits x + y bit DCI; wherein y is a complement bit, and x, y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the transceiver 502 is specifically configured to:
  • the processor 501 is specifically configured to:
  • Determining that the first timing corresponds to the common search space, determining that the second timing corresponds to the UE-specific search space, or determining that the first timing corresponds to the UE-specific search space, and determining the second timing correspondence The public search space.
  • bus 500 may include any number of interconnected buses and bridges, and bus 500 will include one or more processors and memory 504 represented by general purpose processor 501.
  • the various circuits of the memory are linked together.
  • the bus 500 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 503 provides an interface between bus 500 and transceiver 502.
  • Transceiver 502 can be an element or a plurality of elements, such as multiple receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • transceiver 502 receives external data from other devices.
  • the transceiver 502 is configured to send the processed data of the processor 501 to other devices.
  • a user interface 505 can also be provided, such as a keypad, display, speaker, microphone, joystick.
  • the processor 501 is responsible for managing the bus 500 and the usual processing, running a general purpose operating system as described above.
  • the memory 504 can be used to store data used by the processor 501 when performing operations.
  • the processor 501 may be a CPU (Central Embedded Device), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device). , complex programmable logic devices).
  • CPU Central Embedded Device
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the user equipment included in the system for determining the timing of the embodiment of the present application includes: a bus 600, a processor 601, a transceiver 602, a bus interface 603, a memory 604, and a user interface 605.
  • the transceiver 602 is configured to receive and send data under the control of the processor 601. Specifically:
  • Detecting the DCI sent by the network side device and determining, according to the size of the DCI sent by the network side device, the search space used by the network side device to send the DCI;
  • the network side device detects different sizes of DCI in different search spaces
  • the processor 601 is configured to read a program in the memory 604 and perform the following process:
  • the target timing is a timing at which the network side device indicates usage by the user equipment, and the target timing is a first timing or a second timing.
  • the search space is a common search space or a UE-specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • the uplink scheduling or downlink ACK/NACK feedback timing that the UE can use.
  • the transceiver 602 is specifically configured to:
  • Detecting DCI transmitted by the network side device using x bits in the common search space detecting DCI sent by the network side device using x+y bits in the UE specific search space; or detecting using x+y bits in the common search space.
  • the DCI sent by the network side device detects the DCI sent by the network side device by using x bits in the UE specific search space; wherein the y is a complement bit, and the x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the transceiver 602 is specifically configured to:
  • the DCI transmitted by the network side device is detected using the x bit in the UE-specific search space of the secondary carrier; or the DCI transmitted by the network side device is detected using the x+y bit in the UE-specific search space of the secondary carrier.
  • the processor 601 is specifically configured to:
  • Determining that the target timing corresponding to the common search space is the first timing determining that the target timing corresponding to the UE-specific search space is the second timing; or determining that the target timing corresponding to the common search space is the first timing
  • the second timing determines that the target timing corresponding to the UE specific search space is the first timing.
  • bus 600 may include any number of interconnected buses and bridges, and bus 600 will include one or more processors and memory 604 represented by general purpose processor 601. The various circuits of the memory are linked together.
  • the bus 600 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 603 provides an interface between bus 600 and transceiver 602.
  • Transceiver 602 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium. For example, transceiver 602 receives external data from other devices. The transceiver 602 is configured to send the processed data of the processor 601 to other devices.
  • a user interface 605 can also be provided, such as a keypad, display, speaker, microphone, joystick.
  • the processor 601 is responsible for managing the bus 600 and the usual processing, running a general purpose operating system as described above.
  • the memory 604 can be used to store data used by the processor 601 in performing operations.
  • the processor 601 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • the embodiment of the present application further provides a method for determining timing of a network side device and a method for determining timing of the user equipment.
  • the principle of solving the problem is similar to the system for determining timing according to the embodiment of the present application.
  • the implementation of these methods can be seen in the implementation of the system, and the details are not repeated here.
  • the method for determining timing in the embodiment of the present application includes:
  • Step 701 The network side device determines a search space corresponding to the target timing, where the target timing is a timing indicating that the network side device uses the user equipment, and the target timing is a first timing or a second timing;
  • Step 702 The network side device sends a DCI to the user equipment by using the search space, so that the user equipment determines a corresponding target timing according to the search space for sending the DCI; where the network side device is different. Send DCIs of different sizes in the search space.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • the uplink scheduling or downlink ACK/NACK feedback timing that the UE can use.
  • the network side device sends an x bit DCI in the common search space, and sends an x+y bit DCI in the UE specific search space; or the network side device sends in the UE specific search space.
  • An x-bit DCI transmitting x+y-bit DCI in the common search space;
  • y is a complement bit, and x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the network side device when the multi-carrier transmission is performed, sends an x-bit DCI in a UE-specific search space of the secondary carrier; or the network-side device secondary carrier sends the x+y-bit DCI in the UE-specific search space.
  • the network side device determines that the first timing corresponds to the common search space, and determines that the second timing corresponds to the UE specific search space; or the network side device determines the first timing correspondence Describe the UE-specific search space, and determine that the second timing corresponds to the common search space.
  • the method for determining timing in the embodiment of the present application includes:
  • Step 801 The user equipment detects the DCI sent by the network side device, and determines, according to the size of the DCI sent by the network side device, the search space used by the network side device to send the DCI, where the user equipment detects in different search spaces. Different sizes of DCI;
  • Step 802 The user equipment determines a corresponding target timing according to the search space.
  • the target timing is a timing that the network side device indicates the user equipment uses, and the target timing is a first timing or a second timing.
  • the search space is a public search space or a user equipment UE specific search space.
  • the first timing is uplink scheduling or downlink feedback timing defined in a protocol of 3GPP LTE Rel-13 and a previous version
  • the second timing is high processing capability in 3GPP LTE Rel-14 and later versions.
  • UE Uplink scheduling or downlink ACK/NACK feedback timing that can be used.
  • the user equipment detects, by using x bits, the DCI sent by the network side device in the common search space, and uses the x+y bit to detect the DCI sent by the network side device in the UE specific search space; or the user equipment.
  • the x+y bit in the common search space to detect the DCI sent by the network side device
  • the x bit in the UE specific search space to detect the DCI sent by the network side device
  • y is a complement bit, and x and y are positive integers.
  • the complement bit is located at the end of the DCI information bit.
  • the user equipment uses the x-bit to detect the DCI sent by the network-side device in the UE-specific search space of the secondary carrier; or the user equipment uses the x+y-bit in the UE-specific search space of the secondary carrier. Detects the DCI sent by the network side device.
  • the user equipment determines that the target timing corresponding to the common search space is the first timing, and determines that a target timing corresponding to the UE specific search space is the second timing; or the user equipment determines The target timing corresponding to the common search space is the second timing, and determining a target timing corresponding to the UE-specific search space is the first timing.
  • the process flow chart of determining the timing of the embodiment of the present application includes the following steps:
  • Step 901 The network side device determines a search space corresponding to the target timing.
  • Step 902 The network side device sends a DCI to the user equipment by using the search space.
  • Step 903 The user equipment detects the DCI sent by the network side device.
  • Step 904 Determine, according to the size of the DCI sent by the network side device, a search space used by the network side device to send the DCI.
  • Step 905 The user equipment determines a corresponding target timing according to the search space.
  • the application can also be implemented in hardware and/or software (including firmware, resident software, microcode, etc.). Still further, the application can take the form of a computer program product on a computer usable or computer readable storage medium having computer usable or computer readable program code embodied in a medium for use by an instruction execution system Used with or in conjunction with instruction execution systems.
  • a computer usable or computer readable medium can be any medium that can contain, store, communicate, communicate, or transport a program for use by an instruction execution system, apparatus or device, or in conjunction with an instruction execution system, Used by the device or device.

Landscapes

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

Abstract

Des modes de réalisation de la présente invention concernent le domaine technique des communications sans fil et, en particulier, un procédé et un dispositif conçus pour déterminer une séquence temporelle, destinée à être utilisée pour résoudre le problème dans l'état de la technique selon lequel il n'existe pas de procédé pour indiquer une séquence temporelle utilisée par un équipement utilisateur. Dans les modes de réalisation de la présente invention, un dispositif côté réseau détermine un espace de recherche correspondant à une séquence temporelle cible, la séquence temporelle cible étant une séquence temporelle utilisée par un équipement utilisateur indiqué par le dispositif côté réseau, et la séquence temporelle cible étant une première séquence temporelle ou une seconde séquence temporelle; le dispositif côté réseau envoie des informations de commande de liaison descendante (DCI, "downlink control information") à l'équipement utilisateur au moyen de l'espace de recherche, de telle sorte que l'équipement utilisateur détermine une séquence temporelle cible correspondante en fonction de l'espace de recherche dans lequel les DCI sont envoyées, le dispositif côté réseau envoyant des DCI de différentes tailles dans différents espaces de recherche. Dans les modes de réalisation de la présente invention, un équipement utilisateur détermine une séquence temporelle devant être utilisée selon une indication d'un dispositif côté réseau.
PCT/CN2017/088487 2016-09-29 2017-06-15 Procédé et dispositif de détermination de séquence temporelle Ceased WO2018059014A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610868285.X 2016-09-29
CN201610868285.XA CN107889226B (zh) 2016-09-29 2016-09-29 一种确定时序的方法和设备

Publications (1)

Publication Number Publication Date
WO2018059014A1 true WO2018059014A1 (fr) 2018-04-05

Family

ID=61762427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/088487 Ceased WO2018059014A1 (fr) 2016-09-29 2017-06-15 Procédé et dispositif de détermination de séquence temporelle

Country Status (2)

Country Link
CN (1) CN107889226B (fr)
WO (1) WO2018059014A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111163527B (zh) * 2018-11-08 2021-09-28 北京小米松果电子有限公司 信息发送方法、装置、基站及存储介质
CN113966008A (zh) * 2020-07-20 2022-01-21 中国移动通信有限公司研究院 随机接入方法、终端及网络侧设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316526A (zh) * 2011-09-29 2012-01-11 中兴通讯股份有限公司 传输方法及装置
US20120122440A1 (en) * 2010-11-12 2012-05-17 Motorola Mobility, Inc. Positioning Reference Signal Assistance Data Signaling for Enhanced Interference Coordination in a Wireless Communication Network
CN102934503A (zh) * 2010-04-05 2013-02-13 株式会社Ntt都科摩 基站装置以及用户终端
CN103181112A (zh) * 2010-08-16 2013-06-26 高通股份有限公司 用于中继物理下行链路控制信道（r-pdcch）的搜索空间设计

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102215183B (zh) * 2010-04-01 2014-06-11 中兴通讯股份有限公司 盲检测装置及方法
CN104009820B (zh) * 2013-02-26 2018-01-23 华为技术有限公司 用于传输下行控制信息dci的方法及其装置
CN112187430B (zh) * 2014-03-21 2024-08-02 北京三星通信技术研究有限公司 一种harq-ack传输的方法及用户设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102934503A (zh) * 2010-04-05 2013-02-13 株式会社Ntt都科摩 基站装置以及用户终端
CN103181112A (zh) * 2010-08-16 2013-06-26 高通股份有限公司 用于中继物理下行链路控制信道（r-pdcch）的搜索空间设计
US20120122440A1 (en) * 2010-11-12 2012-05-17 Motorola Mobility, Inc. Positioning Reference Signal Assistance Data Signaling for Enhanced Interference Coordination in a Wireless Communication Network
CN102316526A (zh) * 2011-09-29 2012-01-11 中兴通讯股份有限公司 传输方法及装置

Also Published As

Publication number Publication date
CN107889226B (zh) 2019-09-17
CN107889226A (zh) 2018-04-06

Similar Documents

Publication Publication Date Title
US10904903B2 (en) Scheduling UEs with mixed TTI length
US11489635B2 (en) Method and apparatus for determining a dynamic HARQ-ACK codebook
US11381356B2 (en) Data transmission method and terminal
JP7743864B2 (ja) 端末装置、ネットワーク装置、及び端末装置により実行される方法
WO2019157911A1 (fr) Procédé de gestion de faisceau, terminal, dispositif de réseau et support de stockage
WO2018171640A1 (fr) Procédé de transmission de données, équipement terminal et système de station de base
WO2019029425A1 (fr) Procédé de soumission et de traitement d'informations, terminal, et dispositif de réseau
CN107113108B (zh) 用于支持设备对设备通信的用户设备蜂窝反馈传输
CN108702595B (zh) 用于执行上行链路传输的方法和设备
EP3536090B1 (fr) Dispositif terminal, station de base et procédé de mappage de groupe d'éléments de ressource sur un élément de canal de commande d'ensemble de ressources de commande
CN110366254B (zh) 一种资源确定方法、相关设备及系统
CN110730513B (zh) 一种通信方法及装置
WO2019051802A1 (fr) Procédé de transmission de données, dispositif de réseau, et dispositif terminal
US11671969B2 (en) Corresponding configuration for simultaneous physical uplink control channel PUCCH and physical uplink shared channel PUSCH transmission
WO2018195861A1 (fr) Procédé de communication sans fil, équipement terminal et nœuds d'émission et de réception
US20250088328A1 (en) Methods and apparatuses for sidelink positioning reference signal transmission
CN109952802B (zh) 用于发送下行链路控制信息的方法和设备
WO2018059014A1 (fr) Procédé et dispositif de détermination de séquence temporelle
WO2019047659A1 (fr) Procédé, équipement, et appareil de détection d'indicateur et de canal de commande de liaison descendante
WO2020194264A1 (fr) Procédés et nœuds pour une préemption intra-ue de liaison descendante
WO2016169479A1 (fr) Procédé et dispositif d'émission de données
TW201818684A (zh) 載波聚合中服務小區的分組方法與使用者設備
WO2022011674A1 (fr) Procédé, dispositif et support de stockage d'ordinateur destinés à des communications
WO2018058537A1 (fr) Procédé et appareil d'émission de signaux
WO2018014297A1 (fr) Dispositif et procédé de transmission d'informations, et système de communication sans fil

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17854468

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17854468

Country of ref document: EP

Kind code of ref document: A1