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WO2014082454A1 - Procédé pour la réception d'informations, procédé pour la transmission d'informations, station de base, et équipement d'utilisateur - Google Patents

Procédé pour la réception d'informations, procédé pour la transmission d'informations, station de base, et équipement d'utilisateur Download PDF

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Publication number
WO2014082454A1
WO2014082454A1 PCT/CN2013/079347 CN2013079347W WO2014082454A1 WO 2014082454 A1 WO2014082454 A1 WO 2014082454A1 CN 2013079347 W CN2013079347 W CN 2013079347W WO 2014082454 A1 WO2014082454 A1 WO 2014082454A1
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WIPO (PCT)
Prior art keywords
resource location
indication information
information
base station
location indication
Prior art date
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PCT/CN2013/079347
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English (en)
Chinese (zh)
Inventor
夏金环
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2014082454A1 publication Critical patent/WO2014082454A1/fr
Anticipated expiration legal-status Critical
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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

Definitions

  • the application is submitted to the Chinese Patent Office on November 30, 2012, and the application number is 201210504282.X, and the invention name is "method of receiving information, method for transmitting information, Priority of Chinese Patent Application for "Base Station and User Equipment", the entire contents of which are incorporated herein by reference.
  • the present invention relates to the field of communications technologies, and in particular, to a method for receiving information, a method for transmitting information, a base station, and a user equipment. Background technique
  • the Physical Downlink Control Channel (hereinafter referred to as PDCCH) carries the scheduling information of the Physical Downlink Shared Channel (hereinafter referred to as PDSCH), which is also called Downlink Control Information (hereinafter).
  • PDSCH Physical Downlink Shared Channel
  • DCI includes the resource location of the downlink data on the PDSCH channel, the modulation and coding scheme used, and the user equipment (User Equipment, hereinafter referred to as UE) obtains the downlink data carried on the PDSCH channel according to the scheduling information.
  • an extended physical downlink control channel (hereinafter referred to as ePDCCH) is introduced to solve the PDCCH channel resource capacity limitation and the inter-cell interference problem, and the ePDCCH channel is an enhancement to the PDCCH channel.
  • the resource location is located on the time-frequency resource occupied by the traditional PD S CH channel.
  • the legacy PDCCH channel exists on the carrier, the traditional PDCCH channel occupies three orthogonal frequency division multiplexing (OFDM) symbols.
  • the ePDCCH channel is mapped from the 4th OFDM symbol in the time domain.
  • the ePDCCH resource mapping is mapped from the first OFDM symbol in the time domain, and the ePDCCH resource is mapped in the frequency domain.
  • the location is obtained by a predefined or semi-static configuration.
  • the UE when a PDCCH resource and an ePDCCH resource are simultaneously present on a carrier, the UE receives downlink control information and/or data information by default on the PDCCH resource, and receives the PDCCH resource.
  • the UE can only receive downlink control information and/or data information on the PDCCH resource with poor reception performance.
  • the carrier only has ePDCCH resources, when the receiving performance on a certain ePDCCH resource becomes worse, the UE also It can only be configured to receive downlink control information and/or data information on the ePDCCH resource with poor reception performance, which is inefficient and affects system performance. Summary of the invention
  • Embodiments of the present invention provide a method for receiving information, a method for transmitting information, a base station, and a user equipment, so that resource locations for receiving downlink control information and/or data information can be transformed to improve system performance.
  • an embodiment of the present invention provides a method for receiving information, including:
  • the base station After receiving the initial resource location indication information, receiving, by the base station, new resource location indication information, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information;
  • the method after receiving the new resource location indication information sent by the base station, before receiving the downlink control information and/or the data information sent by the base station, the method further includes:
  • the receiving, by the receiving base station, the new resource location indication information includes:
  • the receiving, by the receiving base station, the new resource location indication information includes:
  • the sending, by the base station, the receiving confirmation message includes:
  • MAC CE signaling carries at least one bit, the at least one bit has a preset first selected value, and the preset first selected value is used to identify the new The resource location indication information is received correctly.
  • the sending, by the base station, the receiving confirmation message includes:
  • the physical layer acknowledgement signaling is sent to the base station, and the physical layer acknowledgement signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the receiving, by the receiving base station, the new resource location indication information includes:
  • each of the bits corresponding to a preset resource location has a preset second selected value, and the preset second selection
  • the fixed value is used to identify that the resource location corresponding to the bit is activated.
  • the receiving, by the receiving, the new resource location indication information includes: detecting downlink control information and/or data a new resource location where the information is located, and the detected new resource location is used as the resource location indicated by the new resource location indication information;
  • the method further includes: obtaining, according to a correspondence between a resource location where the PUCCH or the PUSCH resource is located and a resource location for carrying downlink control information and/or data information, a new PUCCH or PUSCH resource location indicated by the new resource location;
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are all the ePDCCH.
  • an embodiment of the present invention provides a method for sending information, including:
  • the UE After the initial resource location indication information is sent to the user equipment, the UE sends new resource location indication information to the UE, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information.
  • Downlink control information and/or data information is sent to the UE at the new resource location.
  • the method further includes:
  • the new resource location indication information indicates Downlink control information and/or data information is sent at the resource location.
  • the sending, by the UE, the new resource location indication information includes:
  • the MAC CE signaling carries the new resource location indication information.
  • the sending, by the UE, the new resource location indication information includes:
  • System information SI or higher layer signaling is sent to the UE, and the higher layer signaling or SI carries new resource location indication information.
  • the receiving the receiving confirmation message sent by the UE includes:
  • the MAC CE signaling carries at least one Bits, the at least one bit has a preset first selected value, and the preset first selected value is used to identify that the new resource location indication information is correctly received.
  • the receiving the receiving confirmation message sent by the UE includes:
  • the physical layer acknowledgment signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
  • the sending the new resource location indication information to the UE includes:
  • the physical layer signaling is sent to the base station, where the physical layer signaling carries the new resource location indication information.
  • the physical layer signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
  • each of the bits corresponding to a preset resource location has a preset second selected value, and the preset second selection
  • the fixed value is used to identify that the resource location corresponding to the bit is activated.
  • the sending, by the UE, the new resource location indication information includes: Sending downlink control information and/or data information to the UE at a new resource location indicated by the indication information, so that the UE detects the new resource location where the downlink control information and/or data information is located as the a new resource location indication resource location indicated by the information; after the sending the new resource location indication information to the UE, sending the downlink control information and/or data information to the UE on the new resource location Previously, it also included:
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are all the ePDCCH.
  • an embodiment of the present invention provides a user equipment, including:
  • a first receiving module configured to: after receiving the initial resource location indication information, receive new resource location indication information sent by the base station, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information. ;
  • the second receiving module is configured to receive downlink control information and/or data information sent by the base station on a resource location indicated by the new resource location indication information.
  • the user equipment further includes: a sending module, configured to: after receiving the new resource location indication information sent by the base station, receive downlink control information sent by the base station, and/or And before the data information, sending, by the base station, a receiving acknowledgement message, where the receiving acknowledgement message is used to notify the base station to receive the new resource location indication information, so that the base station after receiving the receiving acknowledgement message And transmitting downlink control information and/or data information on the resource location indicated by the new resource location indication information.
  • a sending module configured to: after receiving the new resource location indication information sent by the base station, receive downlink control information sent by the base station, and/or And before the data information, sending, by the base station, a receiving acknowledgement message, where the receiving acknowledgement message is used to notify the base station to receive the new resource location indication information, so that the base station after receiving the receiving acknowledgement message And transmitting downlink control information and/or data information on the resource location indicated by the new resource location indication information.
  • the first receiving module is specifically configured to receive a downlink media access control layer control unit MAC CE message sent by the base station
  • the MAC CE signaling carries the new resource location indication information.
  • the first receiving module is further configured to receive the high layer signaling or the system information SI sent by the base station, where The high layer signaling or SI carries the new resource location indication information.
  • the sending module is specifically configured to send a MAC CE signaling to the base station, where the MAC CE signaling carries at least One bit, the at least one bit has a preset first selected value, and the preset first selected value is used to identify that the new resource location indication information is correctly received.
  • the sending module is further configured to send physical layer acknowledgment signaling to the base station, where The physical layer acknowledgement signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the first receiving module is further configured to receive physical layer signaling sent by the base station, where the physical layer signaling carries the new resource location indication information.
  • each of the bits corresponding to a preset resource location has a preset second selected value, and the preset second selection
  • the fixed value is used to identify that the resource location corresponding to the bit is activated.
  • the first receiving module is specifically configured to detect a new resource location where downlink control information and/or data information is located, and detect the obtained new resource location. a resource location indicated as the new resource location indication information;
  • the user equipment further includes a first processing module, configured to: after the new resource location indication information sent by the receiving base station, according to a resource location where the PUCCH or the PUSCH resource is located, and a resource location for carrying downlink control information and/or data information Corresponding relationship of the resource location, the detected new PUCCH or PUSCH resource location indicated by the new resource location; sending the PUCCH or PUSCH resource to the base station at the new PUCCH or PUSCH resource location, And causing the base station to confirm transmitting the downlink control information and/or the data information on a resource location indicated by the new resource location indication information.
  • the initial resource location indication information corresponds to the resource The location, and the resource location indicated by the new resource location indication information, respectively, a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH;
  • an embodiment of the present invention provides a base station, including:
  • a first sending module configured to send new resource location indication information to the UE after the initial resource location indication information is sent to the user equipment, where the resource location indication information is used to indicate that the downlink control information and/or the data signal is carried.
  • a second sending module configured to send downlink control information and/or data information to the UE at the new resource location.
  • the base station further includes: a receiving module, configured to send downlink control information and/or data information to the UE after sending the new resource location indication information to the UE And receiving, by the UE, a receiving acknowledgement message, where the receiving acknowledgement message is used to notify the base station that the UE correctly receives the new resource location indication information, and according to the acknowledgement message, the new resource location indication information. Downlink control information and/or data information is sent at the indicated resource location.
  • the first sending module is specifically configured to send a downlink media access control layer control unit MAC CE to the UE Signaling, the MAC CE signaling carries the new resource location indication information.
  • the first sending module is specifically configured to send system information SI or high layer signaling to the UE, where The high layer signaling or SI carries new resource location indication information.
  • the receiving module is specifically configured to receive MAC CE signaling sent by the UE, where the MAC CE At least one bit is carried, the at least one bit has a preset first selected value, and the preset first selected value is used to identify that the new resource location indication information is correctly received.
  • the receiving module is specifically configured to receive physical layer acknowledgment signaling, where the physical layer acknowledgment signaling is carried in Physical uplink control channel PUCCH and/or physical uplink shared channel PUSCH or physical layer uplink channel.
  • the first sending module is specifically configured to send physical layer signaling to the base station, where the physical layer signaling carries the new resource location indication information.
  • the physical layer signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel. PUSCH or physical layer uplink channel.
  • each of the bits corresponding to a preset resource location has a preset second selected value, and the preset second selection
  • the fixed value is used to identify that the resource location corresponding to the bit is activated.
  • the first sending module is specifically configured to send, to the UE, downlink control information and/or in a new resource location indicated by the new resource location indication information.
  • data information such that the UE detects the resource location indicated by the new resource location indication information by detecting a new resource location where the downlink control information and/or data information is located;
  • the base station further includes a first processing module, configured to send downlink control information and/or data to the UE at the new resource location after the sending the new resource location indication information to the UE Before receiving the information, the PUCCH or the PUSCH resource that is sent by the UE is received, and according to the correspondence between the resource location where the PUCCH or the PUSCH resource is located and the resource location for carrying the downlink control information and/or the data information, confirming that the UE obtains the The new resource location indicates the location of the resource indicated by the information.
  • the initial resource location indication information corresponds to the resource The location, and the resource location indicated by the new resource location indication information, respectively, a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH;
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are all the ePDCCH.
  • the method for receiving information, the method for transmitting information, the base station, and the user equipment provided by the embodiment of the present invention after receiving the initial resource location indication information, the UE receives new resource location indication information sent by the base station, where the resource location indication information is used. Indicating downlink control information and/or The resource location of the data information, after which the UE receives the downlink control information and/or the data information sent by the base station on the resource location indicated by the new resource location indication information.
  • the resource location for receiving downlink control information and/or data information can be transformed, which improves system performance.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for receiving information according to the present invention
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for transmitting information according to the present invention
  • FIG. 3 is a schematic flowchart diagram of Embodiment 1 of a method for receiving information and a method for sending information according to an embodiment of the present disclosure
  • Embodiment 4 is a schematic flowchart of Embodiment 2 of a method for receiving information and a method for sending information according to an embodiment of the present disclosure
  • Embodiment 3 is a schematic flowchart of Embodiment 3 of a method for receiving information and a method for transmitting information according to an embodiment of the present invention
  • Embodiment 4 is a schematic flowchart of Embodiment 4 of a method for receiving information and a method for transmitting information according to an embodiment of the present disclosure
  • FIG. 7 is a schematic flowchart of Embodiment 5 of a method for receiving information and a method for transmitting information according to an embodiment of the present disclosure
  • Embodiment 8 is a schematic structural diagram of Embodiment 1 of a user equipment according to the present invention.
  • Embodiment 9 is a schematic structural diagram of Embodiment 2 of a user equipment according to the present invention.
  • Embodiment 3 of a user equipment according to the present invention is a schematic structural diagram of Embodiment 3 of a user equipment according to the present invention.
  • Embodiment 1 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • Embodiment 2 of a base station is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • FIG. 13 is a schematic structural diagram of Embodiment 3 of a base station according to the present invention.
  • DETAILED DESCRIPTION OF THE EMBODIMENTS In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the following will be combined BRIEF DESCRIPTION OF THE DRAWINGS
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • FIG. 1 is a flowchart of Embodiment 1 of a method for receiving information according to the present invention. As shown in FIG. 1, the method in this embodiment may include:
  • Step 101 After receiving the initial resource location indication information, receive new resource location indication information sent by the base station, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information.
  • Step 102 Receive downlink control information and/or data information sent by the base station on the resource location indicated by the new resource location indication information.
  • the receiving, by the UE, the initial resource location indication information may include: receiving, by the UE, Radio Resource Control (hereinafter referred to as RRC) dedicated signaling or broadcast system information (hereinafter referred to as SI), and RRC dedicated
  • RRC Radio Resource Control
  • SI broadcast system information
  • One or more possible resource configurations are included in the signaling or the SI, and the resource configuration may be a resource location or/and a resource mapping manner of the ePDCCH channel on the PDSCH, or a resource location where the narrowband capability UE operates on the PDSCH.
  • the user equipment UE after receiving the new resource location indication information sent by the base station, the user equipment UE, before receiving the downlink control information and/or the data information sent by the base station, further includes: the UE sending a reception confirmation message to the base station, and receiving The acknowledgement message is used to notify the base station to receive the new resource location indication information, so that after receiving the reception acknowledgement message, the base station sends the downlink control information and/or the data information on the resource location indicated by the new resource location indication information.
  • the UE receives the new resource location indication information sent by the base station, and there are three implementation manners:
  • the UE receives the downlink media access control layer control unit media access control layer control element (Media Access Control-Control Element, MAC CE), and the MAC CE signaling carries new resource location indication information.
  • Media Access Control-Control Element Media Access Control-Control Element, MAC CE
  • the UE receives the high layer signaling or system information SI sent by the base station, and the high layer signaling or the SI bears the new resource location indication information.
  • the UE sends a reception confirmation message to the base station in two ways:
  • the UE sends MAC CE signaling to the base station, where the MAC CE signaling carries at least one bit, at least one bit has a preset first selected value, and the preset first selected value is used to identify the new resource.
  • the source location indication information is received correctly.
  • the UE sends physical layer acknowledgment signaling to the base station, and the physical layer acknowledgment signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the third is that the UE receives the physical layer signaling sent by the base station, and the physical layer signaling carries the new resource location indication information.
  • the new resource location indication information in the method of the foregoing embodiment includes at least one bit, each bit corresponding to a preset resource location, and the bit corresponding to the resource location indicated by the new resource location indication information has a preset second selected value.
  • the preset second selected value is used to identify that the resource location corresponding to the bit is activated.
  • the UE receives the new resource location indication information sent by the base station, where specifically: the UE detects the new resource location where the downlink control information and/or the data information is located, and detects the obtained new resource location.
  • the new resource location indication information sent by the receiving base station is actually that the UE detects a new resource location.
  • the UE After detecting the new resource location, the UE obtains a new detected resource location indication according to the correspondence between the resource location where the PUCCH or the PUSCH resource is located and the resource location for carrying the downlink control information and/or the data information.
  • a PUCCH or a PUSCH resource location where the PUCCH or PUSCH resource is sent to the base station, so that the base station confirms that the downlink control information and/or the data information is transmitted on the resource location indicated by the new resource location indication information.
  • the latter base station can transmit downlink control information and/or data information at the new resource location, and accordingly the UE receives downlink control information and/or data information at the new resource location.
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information in the foregoing method are respectively a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, or an initial resource location.
  • the resource location corresponding to the indication information and the resource location indicated by the new resource location indication information are both ePDCCH.
  • the method for receiving information provided by the embodiment after the UE receives the initial resource location indication information, receives the new resource location indication information sent by the base station, where the resource location indication information is used to indicate the bearer downlink control information and/or the data information.
  • the resource location after which the UE receives the downlink control information and/or the data information sent by the base station on the resource location indicated by the new resource location indication information. Realizing that the resource location for receiving downlink control information and/or data information can be changed, High system performance.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for transmitting information according to the present invention. As shown in FIG. 2, the method in this embodiment may include:
  • Step 201 After sending initial resource location indication information to the user equipment UE, send new resource location indication information to the UE, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information.
  • Step 202 Send downlink control information and/or data information to the UE at a new resource location.
  • the initial resource location indication information sent by the base station to the UE may include: the base station sends the RRC dedicated signaling or the broadcast system information SI to the UE, where the RRC dedicated signaling or the SI includes one or more possible resource configurations.
  • the resource configuration may be a resource location or/and a resource mapping manner of the ePDCCH channel on the PDSCH, or a resource location where the narrowband capability UE operates on the PDSCH.
  • the method further includes:
  • the receiving acknowledgement message is used to notify the base station UE to correctly receive the new resource location indication information, and send the downlink control information and/or the data information according to the acknowledgement message at the resource location indicated by the new resource location indication information.
  • the base station sends the new resource location indication information to the UE.
  • the base station sends the downlink media access control layer control unit MAC CE signaling to the UE, and the MAC CE signaling carries the new resource location indication information.
  • the base station sends high layer signaling or system information SI to the UE, and the high layer signaling or SI bears new resource location indication information.
  • the base station receives the receiving acknowledgement message sent by the UE in two ways:
  • the base station receives the MAC CE signaling sent by the UE, where the MAC CE signaling carries at least one bit, at least one bit has a preset first selected value, and the preset first selected value is used to identify a new resource location indication. The information was received correctly.
  • the base station receives the physical layer acknowledgment signaling, and the physical layer acknowledgment signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the base station sends physical layer signaling to the UE, and the physical layer signaling carries new resource location indication information.
  • the physical layer signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the new resource location indication information in the method in the foregoing embodiment includes at least one bit, and each The bit corresponding to the preset resource location; the bit corresponding to the resource location indicated by the new resource location indication information has a preset second selected value, and the preset second selected value is used to identify the resource location corresponding to the bit activation.
  • the sending, by the base station, the new resource location indication information to the UE is: sending, by using the new resource location indicated by the new resource location indication information, downlink control information and/or data information to the UE, to And causing the UE to detect, by using the new resource location where the downlink control information and/or the data information is located, the resource location indicated by the new resource location indication information;
  • the base station After transmitting the new resource location indication information to the UE, the base station further receives the PUCCH or PUSCH resource sent by the UE, and according to the PUCCH or the PUSCH resource, before transmitting the downlink control information and/or the data information to the UE on the new resource location. Corresponding relationship between the resource location and the resource location for carrying downlink control information and/or data information, confirming that the UE obtains the resource location indicated by the new resource location indication information.
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information in the foregoing method are respectively a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, or an initial resource.
  • the resource location corresponding to the location indication information and the resource location indicated by the new resource location indication information are both ePDCCHs.
  • the method for transmitting information provided by the embodiment after the base station sends the initial resource location indication information to the user equipment UE, sends the new resource location indication information to the UE, where the resource location indication information is used to indicate the bearer downlink control information and/or the data information.
  • the resource location after which the base station transmits downlink control information and/or data information to the UE at the new resource location.
  • the resource location for receiving downlink control information and/or data information can be transformed to improve system performance.
  • FIG. 3 is a schematic flowchart of Embodiment 1 of a method for receiving information and a method for sending information according to an embodiment of the present invention. As shown in FIG. 3, the method in this embodiment includes:
  • Step 301 After the base station sends the initial resource location indication information to the UE, the base station sends a downlink media access control layer control unit MAC CE signaling to the UE, where the MAC CE signaling carries new resource location indication information.
  • the UE receives MAC CE signaling carrying new resource location indication information.
  • the MAC CE can be, for example:
  • the MAC CE When only one resource configuration is included in the RRC dedicated signaling or the SI, the MAC CE includes one bit for indicating the resource configuration for activating or deactivating the ePDCCH, and the activation refers to the UE from the PDCCH.
  • the resource location is transferred to the ePDCCH resource location to receive downlink control information and/or data information.
  • Deactivation means that the UE transfers from the ePDCCH resource location to the PDCCH resource location to receive downlink control information and/or data information.
  • the two or more resource configurations are indexed, and the MAC CE includes a bit index.
  • the bit index included in the MAC CE changes, the current MAC CE is referred to.
  • the resource configuration corresponding to the included bit index takes effect, that is, it is activated, and the resource configuration corresponding to the previous bit index is invalid, that is, deactivated.
  • MAC CE contains 3 bits to represent the resource configuration index.
  • 000 indicates the resource configuration working with the PDCCH resource configuration or a fixed-location narrowband capability UE
  • 001 indicates the resource configuration working with the first ePDCCH resource configuration or the first configurable narrowband capability UE;
  • 010 indicates a resource configuration working with the second ePDCCH resource configuration or the second configurable narrowband capability UE.
  • Step 302 After the UE receives the downlink data including the downlink MAC CE, according to the timing relationship of the ACK/NACK, the UE feeds back the eNB to confirm the message after a period of time.
  • Step 303 After confirming that the UE correctly receives the MAC CE, the UE sends downlink control information and/or data information to the UE at a resource location indicated by the new resource location indication information after a fixed time. Accordingly, the UE is in the new resource location. Receiving downlink control information and/or data information.
  • the UE may feed back an eNB acknowledgement message to confirm that the new resource location indication information has been received, so that the base station explicitly knows that the UE has received the new resource location indication information, and then receives the downlink at the new resource location.
  • Control information and/or data information there will be no fuzzy time period, and there will be no problem of data reception and transmission errors, which improves system performance.
  • FIG. 4 is a schematic flowchart of a method for receiving information and a method for sending information according to an embodiment of the present invention. As shown in FIG. 4, the method in this embodiment includes:
  • Step 401 After the base station sends the initial resource location indication information to the UE, the base station sends the high layer signaling or the system information SI to the UE, the high layer signaling, such as the radio resource control RRC reestablishment signaling, the high layer signaling or the SI bears the new resource location. Instructions.
  • the resource location is carried by the high layer signaling
  • the resource location indication information is carried on the high layer signaling.
  • the UE when the resource location changes, the UE first receives a paging message that notifies the SI change, and then The new SI is received to obtain the latest resource location indication information.
  • Step 402 The UE sends MAC CE signaling to the base station, where the MAC CE signaling carries at least one bit, the bit has a preset selected value, and the selected value is used to identify that the new resource location indication information is correctly received.
  • the preset selected value is 1 , indicating that the new resource location indication information was received correctly.
  • the MAC CE signaling includes a bit for confirming to the eNB that the UE has correctly received the new resource location indication information carried in the higher layer signaling or SI.
  • the base station receives the MAC CE signaling.
  • the MAC CE signaling including the acknowledgment message is carried on the PUSCH channel, and after the eNB correctly demodulates the PUSCH, An acknowledgment message indicating whether the PUSCH is correctly demodulated is transmitted on the PHICH channel.
  • Step 403 After receiving the MAC CE signaling acknowledgement including the acknowledgement message, the base station sends the downlink control information and/or the data information on the resource location indicated by the new resource location indication information, and correspondingly, the UE is in the new resource location. Receiving downlink control information and/or data information.
  • the UE sends the MAC CE signaling to the base station, and confirms to the base station that the UE has received the new resource location indication information, so that the base station explicitly knows that the UE has received the new resource location indication information, and then the base station is new.
  • the downlink control information and/or the data information are sent on the resource location indicated by the resource location indication information.
  • the UE receives the downlink control information and/or the data information on the new resource location, the fuzzy time period does not occur, and the Problems with data reception and transmission errors have improved system performance.
  • FIG. 5 is a schematic flowchart of a method for receiving information and a method for sending information according to an embodiment of the present invention. As shown in FIG. 5, the method in this embodiment includes:
  • Step 501 After the base station sends the initial resource location indication information to the UE, the base station sends the high layer signaling or the system information SI to the UE, the high layer signaling, such as the radio resource control RRC reestablishment signaling, the high layer signaling or the SI bears the new resource location. Instructions.
  • the resource location is carried by the high layer signaling
  • the resource location indication information is carried on the high layer signaling.
  • the UE when the resource location changes, the UE first receives a paging message notifying the SI change, and then re-receives the SI to obtain the latest resource location indication information.
  • Step 502 The UE sends physical layer acknowledgment signaling to the base station, where the physical layer acknowledgment signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • Step 503 After the base station receives the physical layer acknowledgement signaling, the base station is in the new resource bit after a period of time. Sending downlink control information and/or data information on the resource location indicated by the indication information, and correspondingly,
  • the UE receives downlink control information and/or data information at a new resource location.
  • the UE sends physical layer acknowledgment signaling to the base station, and confirms to the base station that the UE has received the new resource location indication information, so that the base station explicitly knows that the UE has received the new resource location indication information, and then the base station is new.
  • the downlink location information and/or the data information are sent on the resource location indicated by the resource location indication information.
  • the UE receives the downlink control information and/or the data information on the new resource location, the fuzzy time period does not occur, nor There is a problem with data reception and transmission errors, which improves system performance.
  • FIG. 6 is a schematic flowchart of a method for receiving information and a method for sending information according to an embodiment of the present invention. As shown in FIG. 6, the method in this embodiment includes:
  • Step 601 After the base station sends the initial resource location indication information to the UE, the base station sends physical layer signaling to the UE, and the physical layer signaling carries new resource location indication information.
  • the physical layer signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the physical layer signaling may be included in the downlink control information and/or the data information, or may be carried on a dedicated downlink physical layer channel, where the physical layer signaling includes a bit for indicating the transition from the ePDCCH to the PDCCH.
  • the downlink DCI is received on or from the PDCCH to the ePDCCH. Specifically, if the current UE is working on the PDCCH to receive the DCI, the downlink control information and/or the data information includes one bit. When the bit is 1, the location of the downlink control information and/or the data information needs to be changed. That is, the UE transfers from the currently working PDCCH to the ePDCCH to receive downlink control information and/or data information.
  • the physical layer signaling may further include more than two bits, and the two or more bits are indexed, and the physical layer signaling includes a bit index.
  • the bit index included in the physical layer signaling changes, the current physical layer information is referred to.
  • the resource location corresponding to the included bit index is valid, that is, activated, and the resource location corresponding to the previous bit index is invalid, that is, deactivated. For example, when physical layer signaling contains 3 bits to represent the resource location index,
  • 000 indicates the resource configuration working with the PDCCH resource configuration or a fixed-location narrowband capability UE
  • 001 indicates the resource configuration working with the first ePDCCH resource configuration or the first configurable narrowband capability UE;
  • 010 indicates that the second ePDCCH resource configuration or the second configurable narrowband capability is used. Resource configuration for UE work.
  • Step 602 After receiving the physical layer signaling sent by the base station, the UE sends the downlink control information and/or the data information to the resource location indicated by the new resource location indication information, and accordingly, the UE is new.
  • the downlink resource information and/or data information is received at the resource location.
  • the base station sends the physical layer signaling to the UE, and the UE does not need to send the acknowledgment message to ensure that the eNB confirms that the UE receives the new resource location indication information.
  • the eNB explicitly knows that the UE has received the new resource location indication information.
  • the base station sends downlink control information and/or data information on the resource location indicated by the new resource location indication information, and accordingly, the UE receives downlink control information and/or data information on the new resource location, and no blurring occurs.
  • there is no problem of data reception and transmission errors which improves system performance.
  • FIG. 7 is a schematic flowchart of a method for receiving information and a method for transmitting information according to an embodiment of the present invention. As shown in FIG. 7, the method in this embodiment includes:
  • Step 701 After the base station sends the initial resource location indication information to the UE, in a preset subframe in the preset time period, the base station sends downlink control information and/or data information at different resource locations according to the uplink PUCCH or PUSCH. Corresponding relationship between the resource location where the resource is located and the resource location for carrying the downlink control information and/or the data information, to obtain the PUCCH or PUSCH resource location indicated by the downlink control information and/or the data information, and correspondingly, the UE acquires the base station in different resources.
  • the downlink control information and/or the data information sent in the location according to the correspondence between the resource location where the uplink PUCCH or the PUSCH resource is located and the resource location for carrying the downlink control information and/or the data information, obtain downlink control information and/or data.
  • an acknowledgment window is defined.
  • the downlink control information and/or the data information will be simultaneously transmitted on the ePDCCH and the PDCCH or the two ePDCCHs, but the channel format that is simultaneously transmitted on the two channels needs to be restricted. Therefore, the number of blind detections of the UE does not exceed the maximum number of blind detections required when detecting on the same channel.
  • the confirmation window refers to the time period containing a certain number of radio frames.
  • the confirmation sub-frame refers to some sub-frames in the confirmation window.
  • the confirmation window can be determined by the starting point and the length.
  • Step 702 The base station determines, according to the resource location where the uplink PUCCH or the PUSCH resource is located, the UE detects downlink control information and/or data information on the new resource location, and the base station is new. Downlink control information and/or data information is sent at the resource location.
  • the UE detects the downlink control information and/or the data information on the new resource location, and determines the location of the new uplink PUCCH or PUSCH resource according to the resource location of the downlink control information and/or the data information detected on the new resource location.
  • the resource location is associated with the downlink control information and/or the data information, and the UE receives the downlink control information and/or the data information at the new resource location.
  • the method for receiving information and the method for transmitting information provided by the foregoing embodiments enable the resource locations for receiving and transmitting downlink control information and/or data information to be changed, thereby improving system performance.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the above-described method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a user equipment according to the present invention.
  • the user equipment in this embodiment may include: a first receiving module 11 and a second receiving module 12, where
  • the first receiving module 11 is configured to: after receiving the initial resource location indication information, receive new resource location indication information sent by the base station, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information, where The receiving module 12 is configured to receive downlink control information and/or data information sent by the base station on the resource location indicated by the new resource location indication information.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a user equipment according to the present invention.
  • the user equipment in this embodiment may further include: a sending module 13 according to the structure of the user equipment shown in FIG.
  • the sending module 13 is configured to: after receiving the new resource location indication information sent by the base station, before receiving the downlink control information and/or the data information sent by the base station, send a reception confirmation message to the base station, where the receiving confirmation message is used to notify the base station to receive the new
  • the resource location indication information is such that after receiving the reception confirmation message, the base station transmits downlink control information and/or data information on the resource location indicated by the new resource location indication information.
  • the first receiving module 11 is specifically configured to receive a downlink media access control layer control unit MAC CE signaling sent by the base station, where the MAC CE signaling carries new resource location indication information.
  • the first receiving module 11 is further configured to receive high layer signaling or system information SI sent by the base station, and the high layer signaling or the SI bears new resource location indication information.
  • the sending module 13 is specifically configured to send MAC CE signaling to the base station, where the MAC CE signaling carries at least one bit, and at least one bit has a pre- The first selected value is set, and the preset first selected value is used to identify that the new resource location indication information is correctly received.
  • the sending module 13 is further configured to send physical layer acknowledgment signaling to the base station, where the physical layer acknowledgment signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the first receiving module 11 is specifically configured to receive physical layer signaling sent by the base station, and the physical layer signaling carries new resource location indication information.
  • the new resource location indication information in the foregoing embodiment includes: at least one bit, each bit corresponding to a preset resource location; the bit corresponding to the resource location indicated by the new resource location indication information has a preset second selected value The preset second selected value is used to identify that the resource location corresponding to the bit is activated.
  • FIG. 10 is a schematic structural diagram of Embodiment 3 of a user equipment according to the present invention.
  • the user equipment in this embodiment is further configured to include the first processing module 14 on the basis of the user equipment structure shown in FIG.
  • the first processing module 14 is configured to: after receiving the new resource location indication information sent by the base station, according to the correspondence between the resource location where the PUCCH or the PUSCH resource is located and the resource location for carrying the downlink control information and/or the data information, Detecting a new PUCCH or PUSCH resource location indicated by the new resource location; transmitting, at the new PUCCH or PUSCH resource location, a PUCCH or PUSCH resource to the base station, so that the base station confirms the resource location indicated by the new resource location indication information Downlink control information and/or data information is transmitted.
  • the first receiving module 11 is specifically configured to detect a new resource location where the downlink control information and/or the data information is located, and use the detected new resource location as the resource location indicated by the new resource location indication information.
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information in the foregoing embodiment are respectively a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, or an initial resource location.
  • the resource location corresponding to the indication information and the resource location indicated by the new resource location indication information are both ePDCCH.
  • the user equipment in the foregoing embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • the base station in this embodiment may include: a first sending module 21 and a second sending module 22, where the first sending module The block 21 is configured to send new resource location indication information to the UE after the initial resource location indication information is sent to the user equipment, where the resource location indication information is used to indicate a resource location that carries downlink control information and/or data information, and the second sending module 22 is configured to send downlink control information and/or data information to the UE at a new resource location.
  • FIG. 12 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • the base station in this embodiment further includes a receiving module 23, and a receiving module 23 is used, based on the structure of the base station shown in FIG.
  • the UE receives the reception confirmation message sent by the UE, and the reception confirmation message is used to notify the base station UE to correctly receive the new resource location indication information.
  • the downlink control information and/or the data information is transmitted on the resource location indicated by the new resource location indication information according to the acknowledgement message.
  • the first sending module 21 is specifically configured to send a downlink media access control layer control unit MAC CE signaling to the UE, where the MAC CE signaling carries new resource location indication information.
  • the first sending module 21 is further configured to send system information SI or higher layer signaling to the UE, and the high layer signaling or the SI bears new resource location indication information.
  • the receiving module 23 is specifically configured to receive MAC CE signaling sent by the UE, where the MAC CE signaling carries at least one bit, at least one bit has a preset first selected value, and the preset first selected value is used to identify a new one. The resource location indication information is received correctly.
  • the receiving module 23 is further configured to receive the physical layer acknowledgment signaling, where the physical layer acknowledgment signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the first sending module 21 is specifically configured to send physical layer signaling to the base station, and the physical layer signaling carries new resource location indication information.
  • the physical layer signaling is carried on the physical uplink control channel PUCCH and/or the physical uplink shared channel PUSCH or the physical layer uplink channel.
  • the new resource location indication information includes at least one bit, each bit corresponding to the preset resource location; the bit corresponding to the resource location indicated by the new resource location indication information has a preset second selected value, and the preset second The selected value is used to identify the resource location corresponding to the bit being activated.
  • FIG. 13 is a schematic structural diagram of Embodiment 3 of a base station according to the present invention.
  • the base station in this embodiment may further include a first processing module 24, based on the structure of the base station shown in FIG.
  • the module 24 is configured to: after sending the new resource location indication information to the UE, send the PUCCH or PUSCH resource sent by the UE, and according to the PUCCH or the PUSCH resource, before sending the downlink control information and/or the data information to the UE on the new resource location.
  • the first sending module 21 is specifically configured to send downlink control information and/or data information to the UE at a new resource location indicated by the new resource location indication information, so that the UE detects the downlink control information and/or the data information.
  • the new resource location is the resource location indicated by the new resource location indication information.
  • the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information in the foregoing embodiment are respectively a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, or an initial resource location.
  • the resource location corresponding to the indication information and the resource location indicated by the new resource location indication information are both ePDCCH.
  • the base station of the foregoing embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.

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Abstract

Dans un mode de réalisation, la présente invention se rapporte à un procédé pour la réception d'informations, à un procédé pour la transmission d'informations, à une station de base, et à un équipement d'utilisateur (UE). Le procédé selon l'invention comprend les étapes suivantes : après avoir reçu les informations d'indication de position de ressource initiale, un UE reçoit les informations d'indication de position de nouvelle ressource qui sont transmises par une station de base, les informations d'indication de position de ressource étant utilisées pour indiquer la position d'une ressource qui transporte des données de commande sur la liaison descendante et/ou des informations relatives à des données ; ensuite, à la position de la ressource qui est indiquée par les informations d'indication de position de nouvelle ressource, l'UE reçoit les données de commande sur la liaison descendante et/ou les informations relatives à des données, qui ont été transmises par la station de base. Le procédé pour la réception d'informations, le procédé pour la transmission d'informations, la station de base, et l'UE qui sont décrits dans le mode de réalisation de la présente invention : peuvent recevoir les informations d'indication de position de nouvelle ressource qui sont transmises par la station de base ; et ils peuvent recevoir, à la position de la ressource qui est indiquée par les informations d'indication de position de nouvelle ressource, les données de commande sur la liaison descendante et/ou les informations relatives à des données, qui ont été transmises par la station de base. L'invention est ainsi apte : à permettre un changement de la position d'une ressource qui est utilisée pour recevoir les données de commande sur la liaison descendante et/ou les informations relatives à des données ; et à améliorer les performances d'un système.
PCT/CN2013/079347 2012-11-30 2013-07-15 Procédé pour la réception d'informations, procédé pour la transmission d'informations, station de base, et équipement d'utilisateur Ceased WO2014082454A1 (fr)

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