WO2021139591A1 - Procédé, appareil et dispositif de signalement d'informations d'état de canal, et support - Google Patents

Procédé, appareil et dispositif de signalement d'informations d'état de canal, et support Download PDF

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Publication number
WO2021139591A1
WO2021139591A1 PCT/CN2020/141650 CN2020141650W WO2021139591A1 WO 2021139591 A1 WO2021139591 A1 WO 2021139591A1 CN 2020141650 W CN2020141650 W CN 2020141650W WO 2021139591 A1 WO2021139591 A1 WO 2021139591A1
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WIPO (PCT)
Prior art keywords
channel state
state information
terminal device
information
report
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PCT/CN2020/141650
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English (en)
Chinese (zh)
Inventor
吴凯
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维沃移动通信有限公司
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Publication of WO2021139591A1 publication Critical patent/WO2021139591A1/fr

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    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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 signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present invention relates to the field of mobile communication technology, and in particular to a method, device, equipment and medium for reporting channel state information.
  • the terminal device in the connected state can use the channel state information reference signal (Channel State Information Reference Signal, CSI-RS) resource to measure the channel state information (Channel State Information, CSI), and then report the CSI.
  • CSI-RS Channel State Information Reference Signal
  • the embodiments of the present invention provide a method, device, device and medium for reporting channel state information.
  • a terminal device When a terminal device is in an idle state or an active state, it can measure channel state information and send a channel state information report to the network side device.
  • an embodiment of the present invention provides a method for reporting channel state information, including:
  • the configuration information includes the channel state information reference signal (Channel State Information Reference Signal) that has a Quasi co-location (QCL) relationship with the synchronization signal block (Synchronization Signal and PBCH block, SSB) , CSI-RS) resources;
  • Channel State Information Reference Signal Channel State Information Reference Signal
  • QCL Quasi co-location
  • an embodiment of the present invention provides a method for reporting channel state information, including:
  • an embodiment of the present invention provides an apparatus for reporting channel state information, including:
  • the first receiving module is configured to receive configuration information sent by a network side device, where the configuration information includes channel state information reference signal resources that have a quasi co-location relationship with the synchronization signal block;
  • the first measurement module is configured to perform channel state information measurement based on the channel state information reference signal resource, and generate a channel state information report;
  • the first sending module is used to send the channel state information report to the network side device.
  • an embodiment of the present invention provides an apparatus for reporting channel state information, including:
  • the second sending module is configured to send configuration information to the terminal device for the terminal device to perform channel state information measurement based on the channel state information reference signal resource included in the configuration information and having a quasi co-location relationship with the synchronization signal block;
  • the second receiving module is used to receive the channel state information report sent by the terminal device.
  • an embodiment of the present invention provides a terminal device, including: a memory, a processor, and a computer program stored on the memory and running on the processor;
  • an embodiment of the present invention provides a network side device, including: a memory, a processor, and a computer program stored on the memory and running on the processor;
  • an embodiment of the present invention provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the method provided in the first or second aspect of the embodiment of the present invention is implemented. Channel state information reporting method.
  • a terminal device when a terminal device is in an idle state or an active state, it can perform channel state information based on the channel state information reference signal resource that has a quasi co-location relationship with the synchronization signal block Measure and send the channel state information report to the network side device.
  • FIG. 1 is a schematic flowchart of a method for reporting channel state information applied to a terminal device according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for reporting channel state information applied to a network side device according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for reporting channel state information applied to terminal equipment according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an apparatus for reporting channel state information applied to a network side device according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of the hardware structure of a terminal device according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the hardware structure of a network side device provided by an embodiment of the present invention.
  • Fig. 1 is a schematic flowchart of a method for reporting channel state information applied to a terminal device according to an embodiment of the present invention.
  • the method for reporting channel state information applied to terminal equipment may include:
  • S101 Receive configuration information sent by a network side device.
  • the configuration information includes channel state information reference signal resources that have a quasi co-location relationship with the synchronization signal block.
  • S102 Perform channel state information measurement based on the channel state information reference signal resource, and generate a channel state information report.
  • S103 Send the channel state information report to the network side device.
  • the network-side device provided in the embodiment of the present invention may be a base station, which may be a commonly used base station, an evolved node base station (eNB), or a network-side device in a 5G system (for example, the following Equipment such as next generation node base station (gNB) or transmission and reception point (TRP) or cell, or network side equipment in the subsequent evolution of the communication system.
  • eNB evolved node base station
  • 5G system for example, the following Equipment such as next generation node base station (gNB) or transmission and reception point (TRP) or cell, or network side equipment in the subsequent evolution of the communication system.
  • gNB next generation node base station
  • TRP transmission and reception point
  • the terminal device may be a mobile phone, a tablet computer, a smart watch, a smart home appliance, etc., which is not limited in the embodiment of the present invention.
  • the network side device configures multiple sets of CSI-RS resources or CSI-RS resource sets through the system information, and configures the QCL relationship between these CSI-RS resources and the SSB at the same time.
  • the CSI-RS resource that has a QCL relationship with the SSB is sent to the terminal device.
  • the terminal device uses these CSI-RS resources having a QCL relationship with the SSB as CSI measurement resources, and performs CSI measurement based on these CSI-RS resources having a QCL relationship with the SSB, and generates a CSI report. Send the CSI report to the network side device.
  • the resource for transmitting the physical random access channel corresponds to the SSB
  • the terminal device responds to the SSB before initiating a random access process (Random Access Channel, RACH).
  • RACH Random Access Channel
  • RSRP reference signal received power
  • select the RO resource associated with the SSB higher than the RSRP threshold select the RO resource associated with the SSB higher than the RSRP threshold, and send the preamble on the selected RO resource, that is, the selected RO resource If there is no SSB higher than the RSRP threshold, the terminal device selects any RO resource and initiates RACH on the selected RO resource.
  • the terminal device can use the CSI-RS resource with the QCL relationship in the SSB corresponding to the RO resource selected for initiating RACH as the CSI measurement resource, and based on the CSI-RS with the QCL relationship between the SSB corresponding to the RO resource selected by initiating the RACH
  • the resource performs CSI measurement and generates a CSI report. Send the CSI report to the network side device.
  • the SSB corresponding to the RO resource selected for initiating the RACH may be simply referred to as the SSB selected for initiating the RACH.
  • the terminal device can perform channel state information measurement based on the channel state information reference signal resource having a quasi co-location relationship with the synchronization signal block, and send the channel state information report to Network side equipment.
  • the network side device can send the CSI-RS resource that has a QCL relationship with the SSB to the terminal device when the terminal device is in the idle state or in the active state, so that the terminal device is in the idle state or In the active state, the channel state information can be measured, and the channel state information report can be sent to the network side device.
  • the network side device may also send instruction information for instructing the terminal device to send a CSI report to the terminal device.
  • the terminal device receives the indication information, it sends the CSI report to the network side device.
  • the indication information may be located in the uplink scheduling grant (UL grant) of the random access response (RACH access response, RAR); the indication information may also be located in the random access radio network temporary identifier (Radom Access Radio Network Temporary Identifier (RA-RNTI) scrambled physical downlink control channel (Physical downlink control channel, PDCCH) downlink control information (Downlink Control Information, DCI); the indication information can also be located in the temporary cell radio network temporary identifier ( Temporary Cell Radio Network Temporary Identifier (TC-RNTI) scrambled in the DCI of the PDCCH.
  • RA-RNTI Random Access Radio Network Temporary Identifier
  • TC-RNTI Temporary Cell Radio Network Temporary Identifier
  • a CSI request (request) field is configured in the UL grant of the RAR and the CSI request field is 1, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives a UL grant with a CSI request field of 1, it sends a CSI report.
  • the new data indicator (NDI) field included in the DCI is 1, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives the DCI of the PDCCH scrambled by the TC-RNTI with the NDI field of 1, it sends a CSI report.
  • the hybrid automatic repeat request (HARQ) included in the DCI has a preset bit of 1 in the process number field, it means that the terminal device is instructed to send CSI report.
  • the terminal device when the terminal device receives the DCI of the PDCCH scrambled by the TC-RNTI with the preset bit of the HARQ process number field of 1, it sends a CSI report.
  • the HARQ process number field included in the DCI is non-zero, that is, the HARQ process number bits indicate a bit combination that is not all zeros, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives the DCI of the PDCCH scrambled by the TC-RNTI whose HARQ process number field is non-zero, it sends a CSI report.
  • the indication information may also be located in the DCI of the PDCCH scrambled by a specific RNTI.
  • the specific RNTI is different from RA-RNTI and TC-RNTI, that is, the specific RNTI is a different RNTI from RA-RNTI and TC-RNTI. If the terminal device receives the CSI report indication, the terminal device monitors the PDCCH scrambled by the RNTI, and the search space set for monitoring the PDCCH is the same search space set for monitoring the RA-RNTI or TC-RNTI scrambled PDCCH.
  • the terminal device can carry it in the physical uplink shared channel (PUSCH) resource scheduled by the PDCCH scrambled by the TC-RNTI CSI report.
  • PUSCH physical uplink shared channel
  • the network-side device may indicate a preamble set.
  • the network-side device sends an indication
  • the terminal device sends the indication information of the CSI report.
  • the network side device For the preamble configured by the system information, the network side device indicates the preamble set, for example, the network side device indicates the index set of the preamble. If the first preamble sent by the terminal device belongs to the preamble in the preamble set, and the terminal device receives the UL grant in the corresponding RAR or the PUSCH scheduled by the PDCCH scrambled by the TC-RNTI, the CSI report is sent in the PUSCH. If the preamble sent by the terminal device does not belong to the preamble in the preamble set, that is, the preamble sent by the terminal device is a preamble other than the preamble in the preamble set, the terminal device does not send the CSI report in the corresponding PUSCH.
  • the network side device can indicate the terminal device in the UL grant in the RAR or the TC-RNTI scrambled PDCCH To send or not to send CSI report, only when the terminal device receives an instruction from the network side device to send the CSI report, the terminal device sends the CSI report in the corresponding PUSCH resource.
  • RI rank indicator
  • CSI report is sent.
  • CQI channel quality indicator
  • Precoding matrix indicator PMI
  • the terminal device when the terminal device sends a CSI report, the terminal device may send a PUSCH resource scheduled by the network side device to the network side device, and the PUSCH resource includes at least the CSI report.
  • the PUSCH resource may also include identification information corresponding to the CSI report.
  • the terminal device If the terminal device transmits the CSI report, the terminal device also transmits an identifier for indicating the transmission of the CSI report in the PUSCH, such as logical channel information.
  • the CSI report may be located in the bits of the PUSCH resource except for contention resolution information.
  • the CSI report is transmitted, otherwise the CSI report is not transmitted.
  • the CSI report and the CSI report are transmitted.
  • the number of bits to be transmitted determined according to UL grant is 72 bits
  • the number of bits required to transmit the contention resolution information carried in the third message (MSG3) of the random access process is 56
  • the number of bits required to transmit CSI report The number of bits is 16.
  • the number of bits transmitted according to UL grant except for the contention resolution information carried by MSG3 is 16.
  • the number of other bits is equal to the number of bits required to transmit the CSI report.
  • the CSI report can be transmitted, and then the CSI report is transmitted.
  • the number of bits transmitted according to UL grant is 72 bits
  • the number of bits required to transmit the contention resolution information carried by MSG3 is 56
  • the number of bits required to transmit CSI report is 24, then the number of bits transmitted according to UL grant is divided by the number of bits transmitted
  • the number of bits other than the contention resolution information carried by MSG3 is 16.
  • the number of bits transmitted according to UL grant except for the number of bits transmitted by the contention resolution information carried by MSG3 is less than the number of bits required to transmit CSI report.
  • the CSI report is not transmitted.
  • the network side device may also send system information to the terminal device, and the terminal device receives the system information sent by the network side device.
  • the system information includes the report content that the CSI report needs to include.
  • the reported content may include at least one of the following items:
  • Channel quality indicator (CQI), precoding matrix indicator (PMI), rank indicator (RI), reference signal received power (RSRP), and channel state information reference information Resource indicator (CSI-RS Resource Indicator, CRI).
  • CQI Channel quality indicator
  • PMI precoding matrix indicator
  • RI rank indicator
  • RSRP reference signal received power
  • CRI channel state information reference information Resource indicator
  • the terminal device may encode the CSI report and the contention resolution information separately and transmit them in the PUSCH.
  • the terminal device may jointly encode the CSI report and the contention resolution information and transmit it in the PUSCH.
  • the network side device may send system information or RAR to the terminal device.
  • the system information or RAR includes information about the code rate used to encode the CSI report.
  • the terminal device determines the code rate used to encode the CSI report according to the system information or RAR; and then encodes the CSI report based on the determined code rate.
  • the terminal device may also use CSI measurement resources as interference measurement resources, that is, CSI-RS resources that have a QCL relationship with the SSB as interference measurement resources, based on the CSI-RS that has a QCL relationship with the SSB The resource performs interference measurement and obtains the interference measurement result.
  • CSI measurement resources that is, CSI-RS resources that have a QCL relationship with the SSB as interference measurement resources, based on the CSI-RS that has a QCL relationship with the SSB The resource performs interference measurement and obtains the interference measurement result.
  • the terminal device may also use the SSB having a QCL relationship with the CSI-RS resource as an interference measurement resource, and perform interference measurement based on the SSB having a QCL relationship with the CSI-RS resource to obtain the interference measurement result.
  • the terminal device may send the interference measurement result to the network side device.
  • the CQI or PMI can also be determined based on the interference measurement result.
  • the embodiment of the present invention also provides a method for reporting channel state information applied to a network side device, as shown in FIG. 2, which is a flow chart of a method for reporting channel state information applied to a network side device according to an embodiment of the present invention Schematic.
  • the channel state information reporting method applied to the network side device may include:
  • S201 Send configuration information to a terminal device for the terminal device to perform channel state information measurement based on the channel state information reference signal resource that has a quasi co-location relationship with the synchronization signal block included in the configuration information.
  • S202 Receive a channel state information report sent by a terminal device.
  • the network side device configures multiple sets of CSI-RS resources or CSI-RS resource sets through the system information, and configures the QCL relationship between these CSI-RS resources and the SSB at the same time.
  • the CSI-RS resource that has a QCL relationship with the SSB is sent to the terminal device.
  • the terminal device uses these CSI-RS resources that have a QCL relationship with the SSB as CSI measurement resources, and performs CSI measurement based on these CSI-RS resources that have a QCL relationship with the SSB to obtain a CSI report.
  • the network side device receives the CSI report sent by the terminal device.
  • the terminal device can perform channel state information measurement based on the channel state information reference signal resource having a quasi co-location relationship with the synchronization signal block, and send the channel state information report To the network side equipment.
  • the network side device can send the CSI-RS resource that has a QCL relationship with the SSB to the terminal device when the terminal device is in the idle state or in the active state, so that the terminal device is in the idle state or In the active state, the channel state information can be measured, and the channel state information report can be sent to the network side device.
  • the network side device may also send instruction information for instructing the terminal device to send a CSI report to the terminal device.
  • the terminal device receives the indication information, it sends the CSI report to the network side device.
  • the indication information may be located in the UL grant of the RAR; or, in the DCI of the PDCCH scrambled by RA-RNTI; or, in the DCI of the PDCCH scrambled by TC-RNTI.
  • the CSI request field is configured in the UL grant of the RAR and the CSI request field is 1, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives a UL grant with a CSI request field of 1, it sends a CSI report.
  • the NDI field included in the DCI is 1, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives the DCI of the PDCCH scrambled by the TC-RNTI with the NDI field of 1, it sends a CSI report.
  • the preset bit of the HARQ process number field included in the DCI is 1, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives the DCI of the PDCCH scrambled by the TC-RNTI with the preset bit of the HARQ process number field of 1, it sends a CSI report.
  • the HARQ process number field included in the DCI is non-zero, that is, the HARQ process number bits indicate a bit combination that is not all zeros, it indicates that the terminal device is instructed to send a CSI report.
  • the terminal device when the terminal device receives the DCI of the PDCCH scrambled by the TC-RNTI whose HARQ process number field is non-zero, it sends a CSI report.
  • the terminal device may carry the CSI report in the PUSCH resource scheduled by the PDCCH scrambled by the TC-RNTI.
  • the network-side device may indicate a preamble set.
  • the network-side device sends an indication
  • the terminal device sends the indication information of the CSI report.
  • the network side device can indicate the terminal device in the UL grant in the RAR or the TC-RNTI scrambled PDCCH Sending or not sending CSI report, only when the terminal device receives the network side device's instruction to send the CSI report, the terminal device sends the CSI report in the corresponding PUSCH resource.
  • the terminal device may send the PUSCH resource scheduled by the network-side device to the network-side device, and the network-side device receives the PUSCH resource, and the PUSCH resource includes at least a CSI report.
  • the PUSCH resource may also include identification information corresponding to the CSI report.
  • the terminal device If the terminal device transmits the CSI report, the terminal device also transmits an identifier for indicating the transmission of the CSI report in the PUSCH, such as logical channel information.
  • the CSI report may be located in the bits of the PUSCH resource except for contention resolution information.
  • the CSI report is transmitted, otherwise the CSI report is not transmitted.
  • the CSI report and the CSI report are transmitted.
  • the number of bits transmitted according to UL grant is 72 bits
  • the number of bits required to transmit the contention resolution information carried in the third message (MSG3) of the random access process is 56
  • the number of bits required to transmit CSI report At this time, the number of bits transmitted according to UL grant except for the contention resolution information carried by MSG3 is 16.
  • the number of bits transmitted according to UL grant except for the contention resolution information carried by MSG3 The number of bits is equal to the number of bits required to transmit the CSI report. According to the number of bits transmitted by the UL grant except for the contention resolution information carried by MSG3, the CSI report can be transmitted, and then the CSI report is transmitted.
  • the number of bits transmitted according to UL grant is 72 bits
  • the number of bits required to transmit the contention resolution information carried by MSG3 is 56
  • the number of bits required to transmit CSI report is 24, then the number of bits transmitted according to UL grant is divided by the number of bits transmitted
  • the number of bits other than the contention resolution information carried by MSG3 is 16.
  • the number of bits transmitted according to UL grant except for the number of bits transmitted by the contention resolution information carried by MSG3 is less than the number of bits required to transmit CSI report.
  • the CSI report is not transmitted.
  • the network side device may also send system information to the terminal device, and the terminal device receives the system information sent by the network side device.
  • the system information includes the report content that the CSI report needs to include.
  • the reported content may include at least one of the following items:
  • the terminal device may encode the CSI report and the contention resolution information separately and transmit them in the PUSCH.
  • the terminal device may jointly code the CSI report and the contention resolution information and transmit it in the PUSCH.
  • the network side device may send system information or RAR to the terminal device.
  • the system information or RAR includes information about the code rate used to encode the CSI report.
  • the terminal device determines the code rate used to encode the CSI report according to the system information or RAR; and then encodes the CSI report based on the determined code rate.
  • the terminal device may also use CSI measurement resources as interference measurement resources, that is, CSI-RS resources that have a QCL relationship with the SSB as interference measurement resources, based on the CSI-RS that has a QCL relationship with the SSB The resource performs interference measurement and obtains the interference measurement result.
  • CSI measurement resources that is, CSI-RS resources that have a QCL relationship with the SSB as interference measurement resources, based on the CSI-RS that has a QCL relationship with the SSB The resource performs interference measurement and obtains the interference measurement result.
  • the terminal device may also use the SSB having a QCL relationship with the CSI-RS resource as an interference measurement resource, and perform interference measurement based on the SSB having a QCL relationship with the CSI-RS resource to obtain the interference measurement result.
  • the terminal device may send the interference measurement result to the network side device.
  • the CQI can also be determined based on the interference measurement result.
  • the network side device can configure M groups of CSI-RS resources or CSI-RS resource sets through system information, and at the same time indicate the QCL relationship between these CSI-RS and SSB.
  • the terminal device selects an SSB to initiate the RACH process
  • the terminal device sends the PRACH preamble on the associated RO resource.
  • the terminal device receives the RAR PDCCH or PDSCH sent by the network side device. If the UL grant in the RAR If the CSI request is indicated in and the value of the CSI request field is 1, the terminal device will report the CSI in the uplink resources scheduled by the UL grant.
  • the CSI measurement resource may be a CSI-RS resource that has a QCL relationship with the SSB that the terminal device selects to initiate the PRACH.
  • the number of bits transmitted on the PUSCH is used to transmit the contention resolution information carried by MSG3.
  • the remaining transmission bits can also be used to transmit CSI report, then CSI report is transmitted, otherwise, CSI report is not transmitted.
  • the terminal device transmits a CSI report, the terminal device transmits an identifier for indicating the CSI report, such as logical channel information, in the PUSCH at the same time.
  • the CSI report of the terminal device and the UL grant in the RAR or the scheduled PUSCH in the TC-RNTI scrambled PDCCH are transmitted on the PUSCH in an independent coding manner, and the network side device can Indicated by the system information, or instructed by the RAR to indicate the code rate information reported by the CSI.
  • the terminal device can transmit the CSI report in the scheduled PUSCH resource.
  • the conditions for the terminal equipment to transmit the CSI report in the uplink PUSCH scheduled by the TC-RNTI scrambled PDCCH may include the following:
  • the terminal device receives the RAR and the UL grant indicates CSI reporting, that is, CSI request is set to 1, or the DCI in the TC-RNTI scrambled PDCCH instructs the UE to report the CSI, and the TC-RNTI scrambled PDCCH can use NDI and / Or HARQ process number bits, or bit combination indicates CSI reporting.
  • NDI indicates 1, or HARQ process number bits indicate a bit combination that is not all 0s.
  • the network indicates part of the first preamble, for example, the network indicates the index of the first preamble, if the preamble sent by the terminal device belongs to the first preamble, and the terminal device
  • the PUSCH scheduled by the UL grant in the corresponding RAR or the PDCCH scrambled by the TC-RNTI is received, and the CSI is reported in the PUSCH. If the terminal device transmits other preambles, it does not transmit the CSI report in the corresponding PUSCH.
  • the UL grant in the RAR or the TC-RNTI scrambled PDCCH can instruct the terminal device to report or not to report CSI, only When the terminal device receives the instruction to report CSI, the terminal device reports the CSI in the corresponding PUSCH resource.
  • the reported amount of the CSI report includes at least one of the following, CQI, PMI, RI, L1-RSRP, CRI, etc.
  • the CSI report content can be configured by system information.
  • the CSI report in the embodiment of the present invention refers to sending a CSI report to the network side device.
  • FIG. 3 is a schematic structural diagram of an apparatus for reporting channel state information applied to terminal equipment according to an embodiment of the present invention.
  • the apparatus 300 for reporting channel state information applied to a terminal device may include:
  • the first receiving module 301 is configured to receive configuration information sent by the network side device.
  • the configuration information includes channel state information reference signal resources that have a quasi co-location relationship with the synchronization signal block.
  • the first measurement module 302 is configured to perform channel state information measurement based on the channel state information reference signal resource, and generate a channel state information report.
  • the first sending module 303 is configured to send the channel state information report to the network side device.
  • the first measurement module 302 may be specifically used to:
  • the channel state information measurement is performed based on the channel state information reference signal resource that has a quasi co-location relationship with the synchronization signal block corresponding to the resource for transmitting the physical random access channel selected by the terminal device to initiate the random access process.
  • the first receiving module 301 may also be used to:
  • Receive instruction information sent by the network side device where the instruction information is used to instruct the terminal device to send a channel state information report.
  • the indication information may be located in at least one of the following items:
  • the indication information is located in the uplink scheduling grant and may include:
  • the channel state information request field included in the uplink scheduling grant is 1.
  • the indication information is located in the downlink control information, and may include any one of the following items:
  • the new data indication field included in the downlink control information is 1;
  • the preset bit of the hybrid automatic repeat request process number field included in the downlink control information is 1;
  • the number field of the hybrid automatic repeat request process included in the downlink control information is non-zero.
  • the first sending module 303 may also be used to:
  • the first preamble is sent to the network side device, where the first preamble is the preamble in the preamble set indicated by the network side device.
  • the apparatus 300 for reporting channel state information applied to terminal equipment may further include:
  • the first determining module is configured to determine the channel quality indicator and/or the precoding matrix indicator according to the rank indicator in the channel state information report, where the rank indicator is 1.
  • the first sending module 303 may be specifically used to:
  • the physical uplink shared channel resource scheduled by the network side device is sent to the network side device, and the physical uplink shared channel resource includes at least a channel state information report.
  • the physical uplink shared channel resource may further include:
  • the channel state information report corresponds to the identification information.
  • the bits in the physical uplink shared channel resource except for contention resolution information include a channel state information report.
  • the first receiving module 301 may also be used to:
  • the system information sent by the network side device is received, and the system information includes the report content that needs to be included in the channel state information report.
  • the report content includes at least one of the following items:
  • Channel quality indicator precoding matrix indicator, rank indicator, reference signal received power and channel state information reference information resource indicator.
  • the apparatus 300 for reporting channel state information applied to terminal equipment may further include:
  • the encoding module is used to separately encode the channel state information report and contention resolution information.
  • the apparatus 300 for reporting channel state information applied to terminal equipment may further include:
  • the second determining module is used to determine the code rate used for the coded channel state information report according to the system information or random access response sent by the network side device, where the system information or random access response includes the coded channel state information report. Information about the bit rate used.
  • the encoding module can be specifically used for:
  • the channel state information report is encoded.
  • the first measurement module 302 may also be used for:
  • the interference measurement is performed based on the channel state information reference signal resource or the synchronization signal block that has a quasi co-location relationship with the channel state information reference signal resource, and the interference measurement result is obtained.
  • the first receiving module 301 may be specifically used to:
  • the configuration information sent by the network side device is received.
  • An embodiment of the present invention also provides a channel state information reporting device applied to a network side device, as shown in FIG. 4, which is a structure of a channel state information reporting device applied to a network side device according to an embodiment of the present invention Schematic.
  • the apparatus 400 for reporting channel state information applied to a network side device may include:
  • the second sending module 401 is configured to send configuration information to the terminal device for the terminal device to perform channel state information measurement based on the channel state information reference signal resource included in the configuration information and having a quasi co-location relationship with the synchronization signal block.
  • the second receiving module 402 is configured to receive the channel state information report sent by the terminal device.
  • the second sending module 401 may also be used to:
  • the indication information is located in at least one of the following items:
  • the indication information is located in the uplink scheduling grant and may include:
  • the channel state information request field included in the uplink scheduling grant is 1.
  • the indication information is located in the downlink control information, and may include any one of the following items:
  • the new data indication field included in the downlink control information is 1;
  • the preset bit of the hybrid automatic repeat request process number field included in the downlink control information is 1;
  • the number field of the hybrid automatic repeat request process included in the downlink control information is non-zero.
  • the second receiving module 402 may also be used to:
  • the second receiving module 402 may be specifically used for:
  • the physical uplink shared channel resource scheduled by the network side device sent by the terminal device, where the physical uplink shared channel resource at least includes a channel state information report.
  • the physical uplink shared channel resource may further include:
  • the channel state information report corresponds to the identification information.
  • the bits in the physical uplink shared channel resource except for contention resolution information include a channel state information report.
  • the second sending module 401 may also be used to:
  • the report content may include at least one of the following items:
  • Channel quality indicator precoding matrix indicator, rank indicator, reference signal received power and channel state information reference information resource indicator.
  • the second sending module 401 may also be used to:
  • the incoming response includes information about the code rate used for encoding the channel state information report.
  • the second sending module 401 may be specifically used to:
  • the configuration information is sent to the terminal device.
  • FIG. 5 is a schematic diagram of the hardware structure of a terminal device provided by an embodiment of the present invention.
  • the terminal device 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and Power supply 511 and other components.
  • Those skilled in the art can understand that the structure of the terminal device shown in FIG. 5 does not constitute a limitation on the terminal device, and the terminal device may include more or fewer components than shown in the figure, or a combination of certain components, or different components Layout.
  • terminal devices include, but are not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, and pedometers.
  • the radio frequency unit 501 is configured to receive configuration information sent by the network side device and send a channel state information report to the network side device.
  • the configuration information includes channel state information reference signal resources that have a quasi co-location relationship with the synchronization signal block.
  • the processor 510 is configured to perform channel state information measurement based on the channel state information reference signal resource, and generate a channel state information report.
  • the terminal device can perform channel state information measurement based on the channel state information reference signal resource that has a quasi co-location relationship with the synchronization signal block, and send the channel state information report to the network side device.
  • the processor 510 may be specifically configured to:
  • the channel state information measurement is performed based on the channel state information reference signal resource that has a quasi co-location relationship with the synchronization signal block corresponding to the resource for transmitting the physical random access channel selected by the terminal device to initiate the random access process.
  • the radio frequency unit 501 may also be used for:
  • Receive instruction information sent by the network side device where the instruction information is used to instruct the terminal device to send a channel state information report.
  • the radio frequency unit 501 may also be used for:
  • the first preamble is sent to the network side device, where the first preamble is the preamble in the preamble set indicated by the network side device.
  • the processor 510 may also be used for:
  • the radio frequency unit 501 may also be used for:
  • the physical uplink shared channel resource scheduled by the network side device is sent to the network side device, and the physical uplink shared channel resource includes at least a channel state information report.
  • the radio frequency unit 501 may also be used for:
  • the system information sent by the network side device is received, and the system information includes the report content that needs to be included in the channel state information report.
  • the processor 510 may also be used for:
  • the channel state information report and contention resolution information are coded separately.
  • the processor 510 may be specifically configured to:
  • the processor 510 may also be used for:
  • the channel state information report is encoded.
  • the processor 510 may also be used for:
  • the interference measurement is performed based on the channel state information reference signal resource or the synchronization signal block that has a quasi co-location relationship with the channel state information reference signal resource, and the interference measurement result is obtained.
  • the radio frequency unit 501 may be specifically used for:
  • the configuration information sent by the network side device is received.
  • the radio frequency unit 501 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; Uplink data is sent to the base station.
  • the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 501 can also communicate with the network and other devices through a wireless communication system.
  • the terminal device provides users with wireless broadband Internet access through the network module 502, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 503 can convert the audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output it as sound. Moreover, the audio output unit 503 may also provide audio output related to a specific function performed by the terminal device 500 (e.g., call signal reception sound, message reception sound, etc.).
  • the audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 504 is used to receive audio or video signals.
  • the input unit 504 may include a graphics processing unit (GPU) 5041 and a microphone 5042.
  • the graphics processor 5041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame may be displayed on the display unit 506.
  • the image frame processed by the graphics processor 5041 may be stored in the memory 509 (or other storage medium) or sent via the radio frequency unit 501 or the network module 502.
  • the microphone 5042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 501 for output in the case of a telephone call mode.
  • the terminal device 500 further includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 5061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 5061 and the display panel 5061 when the terminal device 500 is moved to the ear. / Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the terminal device (such as horizontal and vertical screen switching, related games) , Magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 505 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.
  • the display unit 506 is used to display information input by the user or information provided to the user.
  • the display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 507 may be used to receive inputted number or character information, and generate key signal input related to user settings and function control of the terminal device.
  • the user input unit 507 includes a touch panel 5071 and other input devices 5072.
  • the touch panel 5071 also known as a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 5071 or near the touch panel 5071. operating).
  • the touch panel 5071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 510, the command sent by the processor 510 is received and executed.
  • the touch panel 5071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 507 may also include other input devices 5072.
  • other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 5071 can be overlaid on the display panel 5061.
  • the touch panel 5071 detects a touch operation on or near it, it is transmitted to the processor 510 to determine the type of the touch event, and then the processor 510 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 5061.
  • the touch panel 5071 and the display panel 5061 are used as two independent components to implement the input and output functions of the terminal device, in some embodiments, the touch panel 5071 and the display panel 5061 can be integrated
  • the implementation of the input and output functions of the terminal device is not specifically limited here.
  • the interface unit 508 is an interface for connecting an external device with the terminal device 500.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 508 can be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal device 500 or can be used to connect to the terminal device 500 and an external device. Transfer data between devices.
  • the memory 509 can be used to store software programs and various data.
  • the memory 509 may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 510 is the control center of the terminal device. It uses various interfaces and lines to connect various parts of the entire terminal device. It runs or executes software programs and/or modules stored in the memory 509, and calls data stored in the memory 509. , Perform various functions of the terminal equipment and process data, so as to monitor the terminal equipment as a whole.
  • the processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., and the modem The processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 510.
  • the terminal device 500 may also include a power source 511 (such as a battery) for supplying power to various components.
  • a power source 511 such as a battery
  • the power source 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal device 500 includes some functional modules not shown, which will not be repeated here.
  • the embodiment of the present invention also provides a terminal device, including a processor 510, a memory 509, and a computer program stored in the memory 509 and running on the processor 510.
  • the computer program is executed by the processor 510 to realize the foregoing
  • Each process of the embodiment of the method for reporting channel state information applied to a terminal device can achieve the same technical effect. In order to avoid repetition, details are not repeated here.
  • FIG. 6 is a schematic diagram of the hardware structure of a network side device provided by an embodiment of the present invention.
  • the network side device 600 includes a memory 601, a processor 602, a transceiver 603, and a computer program stored in the memory 601 and running on the processor 602.
  • the transceiver 603 can be used to: send configuration information to the terminal device for the terminal device to perform channel state information measurement based on the channel state information reference signal resource included in the configuration information and having a quasi co-location relationship with the synchronization signal block; The channel state information report sent by the terminal device.
  • the transceiver 603 may also be used for:
  • the transceiver 603 may also be used for:
  • the transceiver 603 may be specifically used for:
  • the physical uplink shared channel resource scheduled by the network side device sent by the terminal device, where the physical uplink shared channel resource at least includes a channel state information report.
  • the transceiver 603 may also be used for:
  • the transceiver 603 may also be used for:
  • the incoming response includes information about the code rate used for encoding the channel state information report.
  • the transceiver 603 may be specifically used for:
  • the configuration information is sent to the terminal device.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 602 and various circuits of the memory represented by the memory 601 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface provides the interface.
  • the transceiver 603 may be multiple elements, including a transmitter and a transceiver, and provides a unit for communicating with various other devices on a transmission medium, and is used for receiving and transmitting data under the control of the processor 602.
  • the processor 602 is responsible for managing the bus architecture and general processing, and the memory 601 can store data used by the processor 602 when performing operations.
  • the embodiment of the present invention also provides a network side device, including a processor 602, a memory 601, and a computer program stored in the memory 601 and running on the processor 602.
  • a network side device including a processor 602, a memory 601, and a computer program stored in the memory 601 and running on the processor 602.
  • the computer program is executed by the processor 602
  • the various processes of the embodiment of the method for reporting channel state information applied to the network side device are implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored; when the computer program is executed by a processor, the channel state information report applied to the terminal device provided by the embodiment of the present invention is realized.
  • the various processes of the method embodiments or the various processes of the embodiment of the method for reporting channel state information applied to the network side device provided by the embodiment of the present invention can achieve the same technical effect. To avoid repetition, details are not described herein again.
  • examples of the computer-readable storage medium include non-transitory computer-readable storage media, such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks, or CD etc.
  • Such a processor can be, but is not limited to, a general-purpose processor, a dedicated processor, a special application processor, or a field programmable logic circuit. It can also be understood that each block in the block diagram and/or flowchart and the combination of the blocks in the block diagram and/or flowchart can also be implemented by dedicated hardware that performs the specified function or action, or can be implemented by dedicated hardware and A combination of computer instructions.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • 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 un procédé, un appareil et un dispositif de signalement d'informations d'état de canal, ainsi qu'un support. Le procédé comprend : la réception d'informations de configuration envoyées par un dispositif côté réseau, les informations de configuration comprenant des ressources de signal de référence d'informations d'état de canal ayant une relation de quasi-co-emplacement avec des blocs de signal de synchronisation ; sur la base des ressources de signal de référence d'informations d'état de canal, la réalisation d'une mesure d'informations d'état de canal pour générer un rapport d'informations d'état de canal ; et l'envoi du rapport d'informations d'état de canal au dispositif côté réseau.
PCT/CN2020/141650 2020-01-06 2020-12-30 Procédé, appareil et dispositif de signalement d'informations d'état de canal, et support WO2021139591A1 (fr)

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