WO2021023232A1 - 波束信息更新的方法、终端设备和网络设备 - Google Patents
波束信息更新的方法、终端设备和网络设备 Download PDFInfo
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- WO2021023232A1 WO2021023232A1 PCT/CN2020/107174 CN2020107174W WO2021023232A1 WO 2021023232 A1 WO2021023232 A1 WO 2021023232A1 CN 2020107174 W CN2020107174 W CN 2020107174W WO 2021023232 A1 WO2021023232 A1 WO 2021023232A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
Definitions
- the high frequency band has relatively abundant idle frequency resources, which can provide greater throughput for data transmission.
- the high frequency signal has a short wavelength.
- more antenna elements can be arranged on the panel of the same size, which helps to use beamforming technology to form a beam with stronger directivity and narrower lobes, and It provides a higher practical prospect for the application of digital-analog hybrid beamforming technology.
- the lobes of the analog beams will be narrower, and the number of beams will increase. Therefore, the measurement delay and the reference signal (Reference Signal, RS ) Resource overhead.
- RS Reference Signal
- narrower beams will be more sensitive to the movement or rotation of the terminal side. Smaller position changes will make the transmission and reception beams of the network side and the terminal side unable to align, which will cause a reduction in communication quality, which will increase beam training. Frequency.
- the current existing beam training is controlled by the network side, including periodic beam training and aperiodic beam training.
- aperiodic beam training is the dynamic triggering of the network side to measure and optimize the small range of beams.
- the terminal side is not allowed to initiate beam training autonomously.
- the current existing beam training requires the use of Channel State Information Reference Signal (CSI-RS) for downlink beam measurement or sounding reference signal (Sounding Reference Signal, SRS) for uplink beam measurement.
- CSI-RS Channel State Information Reference Signal
- SRS Sounding Reference Signal
- the network side indicates the beam of each downlink channel or uplink channel to the terminal side, which takes a long time and is not conducive to rapid beam adjustment and data transmission.
- One of the technical problems solved by the embodiments of the present disclosure is that the beam information update process takes a long time, which is not conducive to achieving rapid beam adjustment and data transmission.
- embodiments of the present disclosure provide a method for updating beam information, which is applied to a terminal device, and the method includes:
- the beam information is updated.
- embodiments of the present disclosure provide a terminal device, and the terminal device includes:
- a sending module configured to send uplink information when the parameters related to the beam information update of the terminal device meet preset conditions, and the uplink information is used for beam measurement;
- the update module is used to update the beam information according to the result of the beam measurement.
- an embodiment of the present disclosure provides a terminal device, including: a memory, a processor, and a computer program stored on the memory and capable of running on the processor, the computer program being executed by the processor When realizing the steps of the method described in the first aspect.
- embodiments of the present disclosure provide a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the first aspect are implemented .
- embodiments of the present disclosure provide a method for updating beam information, which is applied to a network device, and the method includes:
- the uplink information being sent by the terminal device when the parameters related to the beam information update of the terminal device satisfy a preset condition, and the uplink information is used for beam measurement;
- the beam information is updated.
- a receiving module configured to receive uplink information, the uplink information being sent by a terminal device when the parameters related to the beam information update of the terminal device meet a preset condition, and the uplink information is used for beam measurement;
- the update module is used to update the beam information according to the result of the beam measurement.
- embodiments of the present disclosure provide a network device, including: a memory, a processor, and a computer program stored on the memory and capable of running on the processor, the computer program being executed by the processor When realizing the steps of the method as described in the fifth aspect.
- embodiments of the present disclosure provide a computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the Steps of the method.
- FIG. 1 is a schematic flowchart of a method for updating beam information in an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of a second method for updating beam information in an embodiment of the present disclosure
- FIG. 3 is a schematic structural diagram of a terminal device in an embodiment of the present disclosure.
- Figure 4 is a schematic diagram of the structure of a network device in an embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of a second terminal device in an embodiment of the present disclosure.
- Fig. 6 is a schematic structural diagram of a second type of network device in an embodiment of the present disclosure.
- MIMO Multiple User MIMO
- MU-MIMO multi-user MIMO
- SU-MIMO single User MIMO
- MIMO technology is being advanced towards three-dimensional and large-scale.
- massive antenna technology uses a large-scale antenna array, which can greatly improve the efficiency of system frequency band utilization and support a larger number of access users. Therefore, massive antenna technology has the most potential in the next generation of mobile communication systems.
- One of the physical layer technologies if a fully digital array is used, the maximized spatial resolution and optimal MU-MIMO performance can be achieved, but this structure requires a lot of analog to digital signal conversion (Analog to Digital Convert, AD)/ Digital-to-analog signal conversion (Digital to Analog Convert, DA) conversion devices and a large number of complete RF-baseband processing channels, both in terms of equipment cost and baseband processing complexity, will be a huge burden.
- AD analog to Digital Convert
- DA Digital-to-analog signal conversion
- the working frequency band supported by the communication system is increased to a high frequency band above 6GHz, such as 100GHz, which has relatively abundant idle frequency resources , Can provide greater throughput for data transmission.
- 3GPP has completed the high-frequency channel modeling work.
- the wavelength of the high-frequency signal is short.
- more antenna elements can be arranged on the same size antenna set, so that the beamforming technology can be used to form a directivity.
- the current existing beam training is controlled by network equipment, including periodic beam training and aperiodic beam training.
- aperiodic beam training is the dynamic triggering of network equipment to measure small-range beams and optimize beams.
- terminal equipment is not allowed to initiate beam training autonomously.
- the current existing beam training requires the use of the channel state information reference signal CSI-RS for downlink beam measurement or the sounding reference signal SRS for uplink beam measurement, and then the network device indicates each downlink channel or uplink channel to the terminal device
- the beam which takes a long time, is not conducive to rapid beam adjustment and data transmission.
- an embodiment of the present disclosure provides a method for updating beam information, which is executed by a terminal device, and the method includes the following process steps:
- Step 101 In the case that the parameters related to the beam information update of the terminal device meet a preset condition, the uplink information is sent, and the uplink information is used for beam measurement.
- Step 103 Update the beam information according to the result of the beam measurement.
- the terminal device when the parameters related to the beam information update determined by the terminal device satisfy the corresponding preset conditions, the terminal device can actively trigger the transmission of uplink information for beam measurement, and further can be based on the beam measurement As a result, the update of the beam information is completed. In this way, the terminal device can actively trigger the beam measurement in time without the control of the network device, so that the receiving and transmitting beams on the network device side and the terminal device side can be aligned in time, thereby ensuring the communication quality and reducing the beam measurement.
- the overhead and delay speed up the beam update and data transmission process.
- beam measurement is also required before transmission.
- the method of the embodiments of the present disclosure can shorten the time length of beam measurement and the time required to transmit small data packets. The gap between the two is conducive to rapid data transmission.
- the foregoing uplink information is used for uplink beam measurement or downlink beam measurement.
- the beam can be called a spatial filter (Spatial Filter), a spatial domain transmission filter (Spatial Domain Transmission Filter), etc.
- the beam information may be referred to as transmission configuration indication (Transmission Configuration Indication, TCI) status information, quasi-co-location (Quasi Co-Location, QCL) information, or spatial relationship (Spatial Relation) information, etc.
- TCI Transmission Configuration Indication
- QCL quasi-co-location
- Spatial Relation spatial relationship
- the beam information may include a beam sequence number, a reference signal resource index corresponding to the beam, or quality information of the beam, and the like.
- the beam information update method of the embodiment of the present disclosure it is possible to determine whether the parameters related to the beam information update satisfy the corresponding preset condition through one of the following specific implementations.
- the position state change value of the terminal device if the position state change value reaches the first set value, it is determined that the parameter satisfies the preset condition.
- the terminal device can trigger the uplink information. Send in time to perform corresponding beam measurement, so as to quickly solve the problem that the receiving and sending beams cannot be aligned caused by the change in the position of the terminal device.
- the position state change of the terminal device may include at least: the terminal device moves, the terminal device rotates, the terminal device is blocked, etc.; specifically, the position state change of the terminal device can be sensed through corresponding sensors and other devices of the terminal device itself.
- the terminal device in a case where the above parameter is the measurement result of the downlink beam measurement index by the terminal device, if the measurement result of the downlink beam measurement index reaches the second set value, it is determined that the parameter meets the preset condition.
- the downlink beam measurement indicators include Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), and Signal-to-Noise and Interference Ratio (SINR). ) At least one item.
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- SINR Signal-to-Noise and Interference Ratio
- the terminal device can trigger the uplink information It is sent in time to perform corresponding beam measurement, so as to quickly solve the problem that the receiving and sending beams cannot be aligned caused by the measurement result of the downlink beam measurement index of the terminal equipment reaching certain conditions.
- the measurement result of the downlink beam measurement index of the terminal device, the correspondence between the second set value and the preset condition may include one of the following:
- the measurement result of the downlink beam measurement index is less than the first threshold value (that is, the second set value), it is determined that the measurement result of the downlink beam measurement index meets the preset condition;
- the average value of the multiple measurement results of the downlink beam measurement index is less than the second threshold value (that is, the second set value), it is determined that the measurement result of the downlink beam measurement index meets the preset condition;
- the third threshold value that is, the second set value
- the fourth threshold value ie, the second set value
- the specific values of the above set value and threshold value can be set according to actual conditions.
- the parameters related to the update of the beam information of the terminal equipment can be used to measure whether the transmission of uplink information can be initiated in addition to the above-mentioned position state change value of the terminal equipment and the measurement result of the terminal equipment on the downlink beam measurement index. Parameters of the beam information update process.
- the scheme of sending uplink information in step 101 may be specifically executed as follows:
- the above-mentioned uplink information may include different content, so as to perform corresponding beam measurement based on the different content.
- the foregoing periodic resources used for uplink information may include physical uplink control channel (PUCCH) resources or physical uplink shared channel (PUSCH) resources.
- PUCCH physical uplink control channel
- PUSCH physical uplink shared channel
- the beam measurement indication information sent through the foregoing periodic resource may include a predefined event or trigger command, and specifically may be a predefined new event or trigger command.
- the solution for sending uplink information in the foregoing step 101 may be performed as follows:
- the beam measurement indication information is carried in the uplink control information (Uplink Control Information, UCI) for transmission.
- UCI Uplink Control Information
- a corresponding bit can be added to the UCI to send the beam measurement instruction information to the network device.
- step 101 and before step 103 one of the following two steps may be further included:
- Step A Receive the Channel State Information Reference Signal (CSI-RS) sent by the network device to perform downlink beam measurement.
- CSI-RS Channel State Information Reference Signal
- the CSI-RS to be measured is an indication that the network device receives the beam measurement
- the beam information can be updated according to the result of the beam measurement.
- the network device by sending the beam measurement instruction information to the network device, the network device is notified that the terminal device needs to perform downlink beam measurement at this time, that is, the network device is made to perform downlink beam measurement after receiving the beam measurement instruction information. Send the CSI-RS to be measured to the terminal device to start downlink beam measurement and update the beam information.
- the step of receiving the CSI-RS to be measured sent by the network device may be specifically executed as follows:
- the CSI-RS resource corresponding to the CSI-RS to be measured includes at least one of the following:
- the resource pre-configured by the network device before receiving the uplink information is pre-configured.
- the resource configured by the network device after receiving the uplink information.
- the network device may configure the above-mentioned CSI-RS resource through radio resource control (Radio Resource Control, RRC) signaling, where the CSI-RS resource may be a periodic resource.
- RRC Radio Resource Control
- the network device After receiving the uplink information, the network device uses the resources activated by the activation signaling.
- the network device can activate the CSI-RS to be measured through the Media Access Control (MAC) control element (CE) activation signaling.
- MAC Media Access Control
- CE control element
- the network device After receiving the uplink information, the network device uses the resource indicated by the downlink control information DCI.
- the network device may use DCI for the configured aperiodic CSI-RS resource to indicate the CSI-RS resource used to send the CSI-RS to be measured.
- CSI-RS resources for the transmission of the CSI-RS to be measured, it is possible to ensure the smooth progress of the downlink beam measurement; among them, by pre-configuring the CSI-RS resources, time can be saved, and the delay and overhead can be reduced.
- the above-mentioned CSI-RS resources can be directly used to send the CSI-RS to be measured on the one hand, and on the other hand can be used to send the CSI-RS to be measured only after activation by activation signaling or indication of the downlink control information DCI.
- the parameter value representing frequency domain density information in the configuration parameter is greater than the first value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the second value.
- the set value can be selected as the current value.
- the above-mentioned step 103 may be further performed to update the beam information according to the beam measurement result, It can be executed as:
- the second beam information is updated.
- an optional first beam information can be determined as the reference beam information, and then according to the first beam information that is optimized, that is, the reference beam information, the target channel and target The beam information of at least one of the reference signals, that is, the second beam information is updated.
- the foregoing step of determining the first beam information according to the result of the beam measurement may be specifically executed as follows:
- the target CSI-RS in the CSI-RS to be measured corresponds to the optimal receiving beam determined by the terminal device according to the measurement result.
- the optimal transmission aligned with it can be determined Beam.
- the method further includes:
- the target CSI-RS resource indicator (CSI Resource Indicator, CRI) is fed back to the network device, and the target CRI corresponds to the target CSI-RS.
- CRI CSI Resource Indicator
- the network device polls and transmits the CSI-RS to be measured on different beams, after determining the optimal transmission beam, the network device can be notified through the target CSI-RS resource indicator CRI.
- Step B Send the Sounding Reference Signal (SRS) to be measured to the network device for the network device to perform uplink beam measurement.
- SRS Sounding Reference Signal
- the SRS to be measured is sent by the terminal device after the network device receives the beam measurement instruction information Yes, further, the beam information can be updated according to the result of the beam measurement.
- the above-mentioned uplink information may include the SRS to be measured, that is, when the parameters related to the beam information update of the terminal device meet the corresponding preset conditions, the sending of the SRS to be measured can be directly triggered to Make the network equipment perform uplink beam measurement based on the SRS to be measured.
- the SRS to be measured is sent after the beam measurement indication information is sent, and the SRS to be measured is sent directly when the parameters related to the beam information update of the terminal device meet the preset conditions
- the specific implementation can be as follows:
- the SRS resource corresponding to the foregoing SRS to be measured includes at least one of the following:
- the resource pre-configured by the network device before receiving the uplink information is pre-configured.
- the resource configured by the network device after receiving the uplink information.
- the network device may configure the foregoing SRS resource through RRC signaling, where the SRS resource may be a periodic resource.
- the network device uses the resources activated by the activation signaling before receiving the uplink information.
- the network device After receiving the uplink information, the network device uses the resources activated by the activation signaling.
- the network device after the network device is configured with the semi-persistent SRS resource, it can activate the SRS resource for sending the SRS to be measured through the MAC CE activation signaling.
- the network device may use DCI for the configured aperiodic SRS resource to indicate the SRS resource used to send the SRS to be measured.
- SRS resources for the transmission of the SRS to be measured, it is possible to ensure the smooth progress of the uplink beam measurement; wherein, by pre-configuring the SRS resources, time can be saved, delay and overhead can be reduced.
- pre-configured SRS resources one On the one hand, it can be directly used to send the SRS to be measured. On the other hand, it needs to be activated using activation signaling or the downlink control information DCI indicates activation before it can be used to send the SRS to be measured.
- the configuration parameters corresponding to the foregoing SRS to be measured satisfy at least one of the following conditions:
- the parameter value representing the frequency domain density information in the configuration parameter is greater than the third value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the fourth value.
- the set value can be selected as an existing standard In order to increase the accuracy of the measurement.
- the above step 103 may be further performed to update the beam information according to the beam measurement result, which may be specifically performed as follows:
- the second beam information is updated.
- an optional first beam information can be determined as the reference beam information, and then according to the first beam information that is optimized, that is, the reference beam information, the target channel and target The beam information of at least one of the reference signals, that is, the second beam information is updated.
- the foregoing step of determining the first beam information according to the result of the beam measurement may be specifically executed as follows:
- the first beam information is determined, and the SRS to be measured is sent using the same spatial relationship information.
- the network device determines according to the measurement results of the SRS to be measured received on different receiving beams. For the optimal receiving beam, the terminal device can automatically determine the optimal transmitting beam, that is, the beam corresponding to the target SRS.
- the foregoing step of determining the first beam information according to the result of beam measurement may be specifically executed as follows:
- the first beam information is determined, and the target SRI is obtained by the SRS to be measured sent by the network device based on the measurement using different spatial relationship information.
- SRS Resource Indicator SRI
- the terminal device can determine the optimal uplink transmission beam according to the received measurement result of the SRS to be measured.
- the feedback target SRS resource indicates that the SRI determines the optimal transmission beam.
- the target SRS in the SRS to be measured corresponds to the optimal receiving beam determined by the network device according to the measurement result. After the optimal receiving beam is determined, the optimal transmitting beam aligned with it can be determined.
- the process of determining the first beam information according to the beam measurement result of the above-mentioned CSI-RS to be measured or the above-mentioned SRS to be measured may be implemented in different specific implementations as follows Example implementation, and further the second beam information may be determined according to the first beam information determined in different ways.
- the first beam information can be directly determined according to the measurement result corresponding to the CSI-RS to be measured, that is, the optimal beam information screened out based on the downlink measurement result (ie, the beam information corresponding to the target CSI-RS) , Then the second beam information further includes at least one of the following:
- PDSCH Physical Downlink Shared Channel
- the spatial relationship information of the physical uplink shared channel PUSCH PUSCH
- the second beam information of the target channels such as PDCCH, PDSCH, PUCCH, and PUSCH transmitted on each CORESET can be determined, as well as other CSI-RS other than the target CSI-RS.
- the second beam information of target reference signals such as RS, SRS, etc., to complete the update of uplink and downlink beam information; wherein the QCL information is the beam information of the downlink beam, and the spatial relationship information is the beam information of the uplink beam.
- the first beam information can be directly determined according to the measurement result corresponding to the SRS to be measured, that is, the optimal beam information (that is, the beam information corresponding to the target SRS) screened out based on the uplink measurement result, then further
- the second beam information includes at least one of the following:
- the second beam information of the PDCCH, PDSCH, PUCCH, PUSCH and other target channels transmitted on each CORESET can be determined, as well as other SRS, CSI-RS, etc. except the target SRS.
- the second beam information of the target reference signal is used to complete the update of uplink and downlink beam information; wherein, the above-mentioned QCL information is the beam information of the downlink beam, and the above-mentioned spatial relationship information is the beam information of the uplink beam.
- the SRS resource corresponding to the above-mentioned SRS to be measured includes the SRS resource configured or instructed by the network device for each of the multiple antenna panels of the terminal device.
- the network device may configure or indicate one or more SRS resources for each of the multiple antenna panels of the terminal device.
- the beam information update method of the embodiment of the present disclosure may further include the following steps:
- the target SRS is transmitted on the target SRS resource among the multiple SRS resources corresponding to the multiple antenna panels.
- the above-mentioned target SRS resource is determined based on the position state information of the terminal device; where the target SRS resource corresponds to a target antenna panel, and the target antenna panel includes one or more of the activated antenna panels among the multiple antenna panels.
- the first beam information corresponds to the target SRS transmitted through the target SRS resource corresponding to the target antenna panel.
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to different antenna panels, use the first beam information as the new second beam information;
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to the same antenna panel, use the first beam information as the new second beam information, or keep the second beam information unchanged.
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to the same antenna
- the initial second beam information can be updated to the first beam information, or the initial second beam information can be kept unchanged; and for the reference signal and the first beam information
- the reference signal corresponding to the second beam information corresponds to different antenna panels, that is, when the reference signal of the second beam information does not correspond to the target antenna panel, the initial second beam information may be updated to the first beam information.
- the beam information corresponding to at least one of the target synchronization signal block SSB and the target CORESET can be determined preferentially according to the measurement result corresponding to the CSI-RS to be measured or the SRS to be measured, that is, the beam information that is selected based on the measurement result.
- the optimal beam information (that is, the beam information corresponding to the target SRS or the target CSI-RS) can further be determined according to the beam information corresponding to at least one of the target synchronization signal block SSB and the target CORESET, specifically:
- the aforementioned first beam information is associated with at least one of a target synchronization signal block (Synchronization Signal and PBCH Block, SSB) and a target CORESET, and the target SSB and the target CORESET correspond to the target CSI-RS or the target SRS.
- a target synchronization signal block Synchronization Signal and PBCH Block, SSB
- SSB Synchronization Signal and PBCH Block
- At least one of the target SSB and the target CORESET may be determined according to the target CSI-RS or the target SRS, and then the first beam information may be determined according to at least one of the target SSB and the target CORESET.
- the foregoing first beam information includes one of the following:
- the beam information of at least one of the target SSB and the target CORESET determined based on the position state information of the terminal device; that is, the beam information of at least one of the target SSB and the target CORESET is determined as the first beam information, wherein the target SSB
- the beam information of at least one of the target CORESET and the target CORESET may be determined based on the specific position state information of the terminal device.
- TRS Tracking Reference Signal
- DCI Downlink Control Information
- the foregoing target DCI format includes at least one of DCI format 1_0 and DCI format 1_1.
- the foregoing second beam information includes at least one of the following:
- the target SSB or the target CORESET and TRS are spatial QCLs.
- the aforementioned target CORESET may be CORESET#0.
- the beam information update method in the embodiments of the present disclosure may further include the following content:
- the power control parameter includes the path loss reference signal RS of the target channel, and the path loss RS includes the RS or the source RS in the first beam information.
- the power control parameters of the target channel can also be updated according to the first beam information, so as to accurately complete the power control after the beam information is updated and improve the accuracy of the path loss measurement.
- the path loss reference signal RS of the target channel can be replaced with the RS or the source RS in the first beam information (such as the target SSB or the QCL information of the target CORESET).
- the QCL information of the first PDCCH can be determined based on the measurement result corresponding to the CSI-RS to be measured or the SRS to be measured first, and then at least the following can be determined based on the first beam information.
- the spatial relationship information of the SRS scheduled by the first PDCCH is the spatial relationship information of the SRS scheduled by the first PDCCH.
- the QCL information of the first PDCCH can be determined by at least any one of the methods for determining the first beam information recorded in the foregoing embodiment, that is, according to the measurement of the CSI-RS to be measured received after the beam measurement instruction information is sent.
- the result determination is determined according to the measurement result of the SRS to be measured sent after the beam measurement instruction information is sent, or is determined according to the measurement result of the SRS to be measured sent according to the parameters related to the beam information update of the terminal device satisfying preset conditions.
- the QCL information or spatial relationship information indicated by the DCI on the second PDCCH may be determined based on the measurement result corresponding to the CSI-RS to be measured or the SRS to be measured, and then according to the first beam information.
- One beam information can determine at least one of the following second beam information:
- the spatial relationship information of the SRS scheduled by the second PDCCH is the spatial relationship information of the SRS scheduled by the second PDCCH.
- the QCL information or the spatial relationship information indicated by the DCI on the second PDCCH can be determined by at least any one of the methods for determining the first beam information recorded in the above-mentioned embodiments, that is, according to the reception after sending the beam measurement indication information
- the measurement result of the received CSI-RS to be measured is determined, the measurement result of the SRS to be measured sent after the beam measurement instruction information is sent, or the SRS to be measured sent according to the parameters related to the update of the beam information of the terminal equipment meet the preset conditions The measurement results are confirmed.
- an embodiment of the present disclosure provides a method for updating beam information, which is executed by a network device, and the method includes the following process steps:
- Step 201 Receive uplink information, which is sent by the terminal device when the target parameter related to the beam information update of the terminal device meets a preset condition, and the uplink information is used for beam measurement.
- Step 203 Update the beam information according to the result of the beam measurement.
- the terminal device when the parameters related to the beam information update determined by the terminal device satisfy the corresponding preset conditions, the terminal device can actively trigger the transmission of uplink information for beam measurement, and further can be based on the beam measurement As a result, the update of the beam information is completed. In this way, the terminal device can actively trigger the beam measurement in time without the control of the network device, so that the receiving and transmitting beams on the network device side and the terminal device side can be aligned in time, thereby ensuring the communication quality and reducing the beam measurement.
- the overhead and delay speed up the beam update and data transmission process.
- beam measurement is also required before transmission.
- the method of the embodiments of the present disclosure can shorten the time length of beam measurement and the time required to transmit small data packets. The gap between the two is conducive to rapid data transmission.
- the foregoing uplink information is used for uplink beam measurement or downlink beam measurement.
- the beam can be called a spatial filter, a spatial domain transmission filter and so on.
- the beam information can be referred to as TCI status information, QCL information, or spatial relationship information.
- the beam information may include a beam sequence number, a reference signal resource index corresponding to the beam, or quality information of the beam, and the like.
- the beam information update method of the embodiment of the present disclosure it is possible to determine whether the parameters related to the beam information update satisfy the corresponding preset condition through one of the following specific implementations.
- the preset condition is satisfied when the position state change value reaches the first set value.
- the terminal device can trigger the uplink information. Send in time to perform corresponding beam measurement, so as to quickly solve the problem that the receiving and sending beams cannot be aligned caused by the change in the position of the terminal device.
- the position state change of the terminal device may include at least: the terminal device moves, the terminal device rotates, the terminal device is blocked, etc.; specifically, the position state change of the terminal device can be sensed through corresponding sensors and other devices of the terminal device itself.
- the preset condition is satisfied when the measurement result of the downlink beam measurement index reaches the second set value.
- the downlink beam measurement index includes at least one of reference signal received power RSRP, reference signal received quality RSRQ, and signal-to-interference plus noise ratio SINR.
- the terminal device can trigger the uplink information It is sent in time to perform corresponding beam measurement, so as to quickly solve the problem that the receiving and sending beams cannot be aligned caused by the measurement result of the downlink beam measurement index of the terminal equipment reaching certain conditions.
- the measurement result of the downlink beam measurement index of the terminal device, the correspondence between the second set value and the preset condition may include one of the following:
- the measurement result of the downlink beam measurement index is less than the first threshold value (that is, the second set value), it is determined that the measurement result of the downlink beam measurement index meets the preset condition;
- the average value of the multiple measurement results of the downlink beam measurement index is less than the second threshold value (that is, the second set value), it is determined that the measurement result of the downlink beam measurement index meets the preset condition;
- the third threshold value that is, the second set value
- the fourth threshold value ie, the second set value
- the specific values of the aforementioned preset values and thresholds can be set according to actual conditions.
- the parameters related to the update of the beam information of the terminal equipment can be used to measure whether the transmission of uplink information can be initiated in addition to the above-mentioned position state change value of the terminal equipment and the measurement result of the terminal equipment on the downlink beam measurement index. Parameters of the beam information update process.
- the solution of receiving uplink information in step 201 can be specifically executed as follows:
- the above-mentioned uplink information may include different content, so as to perform corresponding beam measurement based on the different content.
- the above-mentioned uplink information may include beam measurement indication information, where the beam measurement indication information is used to instruct to perform beam measurement, so that the terminal device actively triggers and controls to perform beam measurement.
- the foregoing periodic resources used for uplink information may include physical uplink control channel PUCCH resources or physical uplink shared channel PUSCH resources.
- the beam measurement indication information received through the foregoing periodic resource may include a predefined event or trigger command, and specifically may be a predefined new event or trigger command.
- the solution for receiving uplink information in the foregoing step 201 may be performed as follows:
- the corresponding beam measurement indication information can be obtained by adding corresponding bits in the UCI.
- step 201 and before step 203 one of the following two steps may be further included:
- Step A Send the CSI-RS to be measured to the terminal device to perform downlink beam measurement. Specifically, after receiving the beam measurement instruction information, send the CSI-RS to be measured to the terminal device. Further, the measurement can be performed according to the result of the beam measurement. Update of beam information.
- the beam measurement instruction information sent by the terminal device is received to know that the terminal device needs to perform downlink beam measurement at this time, that is, the terminal device sends the beam measurement instruction information to instruct the network device to The terminal device sends the CSI-RS to be measured to start the downlink beam measurement and update the beam information.
- the foregoing step of sending the CSI-RS to be measured to the terminal device may be specifically executed as follows:
- the CSI-RS resource corresponding to the CSI-RS to be measured includes at least one of the following:
- Pre-configured resources before receiving uplink information Pre-configured resources before receiving uplink information.
- the aforementioned CSI-RS resource may be configured through RRC signaling, where the CSI-RS resource may be a periodic resource.
- the resource activated by the activation signaling is used.
- the resource activated by the activation signaling is used.
- the CSI-RS resource used to send the CSI-RS to be measured can be activated through the MAC CE activation signaling of the medium access control layer.
- the resource indicated by the DCI is used.
- DCI may be used for the configured aperiodic CSI-RS resource to indicate the CSI-RS resource used to transmit the CSI-RS to be measured.
- CSI-RS resources for the transmission of the CSI-RS to be measured, it is possible to ensure the smooth progress of the downlink beam measurement; among them, by pre-configuring the CSI-RS resources, time can be saved, and the delay and overhead can be reduced.
- the above-mentioned CSI-RS resources can be directly used to send the CSI-RS to be measured on the one hand, and on the other hand can be used to send the CSI-RS to be measured only after activation by activation signaling or the downlink control information DCI indicating activation.
- the configuration parameter corresponding to the CSI-RS to be measured meets at least one of the following conditions:
- the parameter value representing frequency domain density information in the configuration parameter is greater than the first value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the second value.
- the set value can be selected as the current value.
- the terminal device after the terminal device performs downlink beam measurement based on the above-mentioned CSI-RS to be measured, it may further perform the above-mentioned step 203 to update the beam according to the beam measurement result.
- Information which can be specifically executed as:
- the second beam information is updated.
- an optional first beam information can be determined as the reference beam information, and then according to the first beam information that is optimized, that is, the reference beam information, the target channel and target The beam information of at least one of the reference signals, that is, the second beam information is updated.
- the foregoing step of determining the first beam information according to the result of the beam measurement may be specifically executed as follows:
- the first beam information is determined, and the CSI-RS to be measured is sent using the same QCL information.
- the network device sends each CSI-RS to be measured on a fixed transmitting beam, and the terminal device polls and receives it on different receiving beams, the terminal device is based on the CSI-RS to be measured received on different receiving beams.
- the measurement result determines the optimal receiving beam, and the network device can automatically determine the optimal transmitting beam, that is, the beam corresponding to the target SRS.
- the foregoing step of determining the first beam information according to the result of beam measurement may be specifically executed as follows:
- the first beam information is determined according to the target CSI-RS corresponding to the target CSI-RS resource indication CRI.
- the target CRI is determined by the terminal device based on the results obtained by measuring the CSI-RS to be measured sent by using different QCL information.
- the network device can determine the optimal downlink transmission beam after the terminal device determines the optimal downlink transmission beam according to the result of the received CSI-RS measurement
- the optimal transmission beam may be determined according to the target CSI-RS resource indication CRI fed back by the terminal device.
- the target CSI-RS in the CSI-RS to be measured corresponds to the optimal receiving beam determined by the terminal device according to the measurement result.
- the optimal transmission aligned with it can be determined Beam.
- Step B Receive the SRS to be measured for the network device to perform uplink beam measurement. Specifically, the SRS to be measured is sent by the terminal device after the network device receives the beam measurement instruction information. Further, it can be performed according to the beam measurement result. Update of beam information.
- the uplink beam measurement is performed according to the beam measurement instruction information sent by the terminal device, that is, the network device receives the SRS to be measured sent by the terminal device after receiving the beam measurement instruction information to Start the uplink beam measurement and update the beam information.
- the above-mentioned uplink information may include the SRS to be measured, that is, in the case that the parameters related to the beam information update of the terminal device meet the corresponding preset conditions, the SRS to be measured sent by the terminal device can be directly received , So that the uplink beam measurement is performed based on the SRS to be measured.
- the scheme of receiving the SRS to be measured sent by the terminal device after receiving the beam measurement instruction information, and receiving the terminal directly when the parameters related to the beam information update of the terminal device meet the preset conditions may be specifically implemented as follows:
- the SRS to be measured sent by the terminal equipment using different spatial relationship information is received.
- the SRS resource corresponding to the foregoing SRS to be measured includes at least one of the following:
- Pre-configured resources before receiving uplink information Pre-configured resources before receiving uplink information.
- the foregoing SRS resources may be configured through RRC signaling, where the SRS resources may be periodic resources.
- the resource activated by the activation signaling is used.
- the resource activated by the activation signaling is used.
- the SRS resource used to send the SRS to be measured can be activated through MAC CE activation signaling.
- the resource indicated by the DCI is used.
- DCI may be used in the configured aperiodic SRS resource to indicate the SRS resource used to send the SRS to be measured.
- SRS resources for the transmission of the SRS to be measured, it is possible to ensure the smooth progress of the uplink beam measurement; wherein, by pre-configuring the SRS resources, time can be saved, delay and overhead can be reduced.
- pre-configured SRS resources one On the one hand, it can be directly used to send the SRS to be measured. On the other hand, it needs to be activated using activation signaling or the downlink control information DCI indicates activation before it can be used to send the SRS to be measured.
- the configuration parameters corresponding to the foregoing SRS to be measured satisfy at least one of the following conditions:
- the parameter value representing the frequency domain density information in the configuration parameter is greater than the third value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the fourth value.
- the set value can be selected as an existing standard Parameter values have been determined in, to increase the accuracy of measurement.
- the terminal device may further execute the above step 203 to update the beam information according to the result of the beam measurement, which may be specifically executed as follows:
- the second beam information is updated.
- an optional first beam information can be determined as the reference beam information, and then according to the first beam information that is optimized, that is, the reference beam information, the target channel and target The beam information of at least one of the reference signals, that is, the second beam information is updated.
- the foregoing step of determining the first beam information according to the result of the beam measurement may be specifically executed as follows:
- the target SRS in the SRS to be measured corresponds to the optimal receiving beam determined by the network device according to the measurement result. After the optimal receiving beam is determined, the optimal transmitting beam aligned with it can be determined.
- the method further includes:
- the target SRS resource indication SRI is fed back to the terminal device, and the target SRI corresponds to the target SRS.
- the terminal device polls and transmits the SRS to be measured on different beams, after determining the optimal transmission beam, the terminal device can be notified through the target SRS resource indicator SRI.
- the beam information update method of the embodiment of the present disclosure in the process of determining the first beam information according to the beam measurement result of the above-mentioned CSI-RS to be measured or the above-mentioned SRS to be measured, the following different specific procedures may be adopted.
- the embodiment is implemented, and further, the second beam information may be determined according to the first beam information determined in different ways.
- the first beam information can be directly determined according to the measurement result corresponding to the CSI-RS to be measured, that is, the optimal beam information screened out based on the downlink measurement result, that is, the target CSI-RS corresponding Beam information, further the second beam information includes at least one of the following:
- the second beam information of the target channels such as PDCCH, PDSCH, PUCCH, and PUSCH transmitted on each CORESET can be determined, as well as other CSI-RS other than the target CSI-RS.
- the second beam information of target reference signals such as RS, SRS, etc., to complete the update of uplink and downlink beam information; wherein the QCL information is the beam information of the downlink beam, and the spatial relationship information is the beam information of the uplink beam.
- the first beam information can be directly determined according to the measurement result corresponding to the SRS to be measured, that is, the optimal beam information screened out based on the uplink measurement result, that is, the beam information corresponding to the target SRS, then Further, the second beam information includes at least one of the following:
- the second beam information of the PDCCH, PDSCH, PUCCH, PUSCH and other target channels transmitted on each CORESET can be determined, as well as other SRS, CSI-RS, etc. except the target SRS.
- the second beam information of the target reference signal is used to complete the update of uplink and downlink beam information; wherein, the above-mentioned QCL information is the beam information of the downlink beam, and the above-mentioned spatial relationship information is the beam information of the uplink beam.
- the SRS resource corresponding to the above-mentioned SRS to be measured includes the SRS resource configured or instructed by the network device for each of the multiple antenna panels of the terminal device.
- the network device may configure or indicate one or more SRS resources for each of the multiple antenna panels of the terminal device.
- the beam information update method of the embodiment of the present disclosure may further include the following steps:
- the above-mentioned target SRS resource is determined by the terminal device according to location status information; wherein the target SRS resource corresponds to a target antenna panel, and the target antenna panel includes one or more of the activated antenna panels among the multiple antenna panels.
- the first beam information corresponds to the target SRS transmitted through the target SRS resource corresponding to the target antenna panel.
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to different antenna panels of the terminal device, use the first beam information as the new second beam information;
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to the same antenna panel of the terminal device, use the first beam information as the new second beam information, or keep the second beam information unchanged .
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to the same antenna
- the initial second beam information can be updated to the first beam information, or the initial second beam information can be kept unchanged; and for the reference signal and the first beam information
- the reference signal corresponding to the second beam information corresponds to different antenna panels, that is, when the reference signal of the second beam information does not correspond to the target antenna panel, the initial second beam information may be updated to the first beam information.
- the beam information corresponding to at least one of the target synchronization signal block SSB and the target CORESET can be determined preferentially according to the measurement result corresponding to the CSI-RS to be measured or the SRS to be measured, that is, the beam information that is selected based on the measurement result.
- the optimal beam information (that is, the beam information corresponding to the target SRS or the target CSI-RS) may further be determined according to the beam information corresponding to at least one of the target synchronization signal block SSB and the target CORESET, specifically:
- the above-mentioned first beam information is associated with at least one of the target synchronization signal block SSB and the target CORESET, and the target SSB and the target CORESET correspond to the target CSI-RS or the target SRS.
- At least one of the target SSB and the target CORESET may be determined according to the target CSI-RS or the target SRS, and then the first beam information may be determined according to at least one of the target SSB and the target CORESET.
- the foregoing first beam information includes one of the following:
- the beam information of at least one of the target SSB and the target CORESET determined based on the position state information of the terminal device; that is, the beam information of at least one of the target SSB and the target CORESET is determined as the first beam information, wherein the target SSB
- the beam information of at least one of the target CORESET and the target CORESET may be determined based on the specific position state information of the terminal device.
- the QCL information of the PDCCH in the DCI format of the target downlink control information transmitted on the target CORESET is determined as the first beam information.
- the foregoing target DCI format includes at least one of DCI format 1_0 and DCI format 1_1.
- the foregoing second beam information includes at least one of the following:
- the target SSB or the target CORESET and TRS are spatial QCLs.
- the aforementioned target CORESET may be CORESET#0.
- the beam information update method in the embodiments of the present disclosure may further include the following content:
- the power control parameter includes the path loss reference signal RS of the target channel, and the path loss RS includes the RS or the source RS in the first beam information.
- the power control parameters of the target channel can also be updated according to the first beam information, so as to accurately complete the power control after the beam information is updated and improve the accuracy of the path loss measurement.
- the path loss reference signal RS of the target channel can be replaced with the RS or the source RS in the first beam information (such as the target SSB or the QCL information of the target CORESET).
- the QCL information of the first PDCCH can be determined based on the measurement result corresponding to the CSI-RS to be measured or the SRS to be measured first, and then at least the following can be determined based on the first beam information.
- the spatial relationship information of the SRS scheduled by the first PDCCH is the spatial relationship information of the SRS scheduled by the first PDCCH.
- the QCL information of the first PDCCH can be determined by at least any one of the methods for determining the first beam information recorded in the foregoing embodiment, that is, according to the measurement of the CSI-RS to be measured received after the beam measurement instruction information is sent.
- the result determination is determined according to the measurement result of the SRS to be measured sent after the beam measurement instruction information is sent, or is determined according to the measurement result of the SRS to be measured sent according to the parameters related to the beam information update of the terminal device satisfying preset conditions.
- the QCL information or spatial relationship information indicated by the DCI on the second PDCCH may be determined based on the measurement result corresponding to the CSI-RS to be measured or the SRS to be measured, and then according to the first beam information.
- One beam information can determine at least one of the following second beam information:
- the spatial relationship information of the SRS scheduled by the second PDCCH is the spatial relationship information of the SRS scheduled by the second PDCCH.
- the QCL information or the spatial relationship information indicated by the DCI on the second PDCCH can be determined by at least any one of the methods for determining the first beam information recorded in the above-mentioned embodiments, that is, according to the reception after sending the beam measurement indication information
- the measurement result of the received CSI-RS to be measured is determined, the measurement result of the SRS to be measured sent after the beam measurement instruction information is sent, or the SRS to be measured sent according to the parameters related to the update of the beam information of the terminal equipment meet the preset conditions The measurement results are confirmed.
- an embodiment of the present disclosure provides a terminal device 300, and the terminal device 300 includes:
- the sending module 301 is configured to send uplink information when the parameters related to the beam information update of the terminal device meet the preset conditions, and the uplink information is used for beam measurement;
- the update module 303 is used to update the beam information according to the result of the beam measurement.
- the terminal device 300 of the embodiment of the present disclosure may further include a first determining module, and the first determining module is configured to:
- the above parameter is the position state change value of the terminal device, if the position state change value reaches the first set value, it is determined that the target parameter meets the preset condition; or
- the above parameter is the measurement result of the downlink beam measurement index by the terminal device, if the measurement result of the downlink beam measurement index reaches the second set value, it is determined that the parameter meets the preset condition.
- the downlink beam measurement index includes at least one of reference signal received power RSRP, reference signal received quality RSRQ, and signal-to-interference plus noise ratio SINR.
- the foregoing sending module 301 may be specifically used for:
- the aforementioned update module 303 may specifically include:
- the determining sub-module is used to determine the first beam information according to the result of the beam measurement
- the update submodule is used to update the second beam information according to the first beam information.
- the uplink information includes the sounding reference signal SRS to be measured; or the uplink information includes beam measurement indication information, and the beam measurement indication information includes predefined events or trigger signaling.
- the above-mentioned uplink information includes beam measurement indication information, and after the beam measurement indication information is sent, the channel state information reference signal CSI-RS to be measured sent by the network device is received.
- the above determination sub-module can be specifically used for:
- the terminal device 300 of the embodiment of the present disclosure may further include:
- the feedback module is used to feed back the target CSI-RS resource indicator CRI to the network device when the CSI-RS to be measured is sent by the network device using different quasi co-located QCL information, and the target CRI corresponds to the target CSI-RS.
- the above-mentioned second beam information includes at least one of the following:
- the spatial relationship information of the physical uplink shared channel PUSCH PUSCH
- the CSI-RS resource corresponding to the CSI-RS to be measured includes at least one of the following:
- the network device Before the network device receives the uplink information, it uses the resources activated by the activation signaling;
- the network equipment After receiving the uplink information, the network equipment uses the resources activated by the activation signaling;
- the network device After receiving the uplink information, the network device uses the resource indicated by the downlink control information DCI.
- the configuration parameter corresponding to the above-mentioned CSI-RS to be measured satisfies at least one of the following conditions:
- the parameter value representing frequency domain density information in the configuration parameter is greater than the first value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the second value.
- the above uplink information includes the SRS to be measured, or when the above uplink information includes beam measurement instruction information, and the above beam measurement instruction information is sent to the network device
- the above determination sub-module can be specifically used for:
- the first beam information is determined, and the target SRI is obtained by the SRS to be measured sent by the network device based on the measurement using different spatial relationship information.
- the SRS resource corresponding to the aforementioned SRS to be measured includes at least one of the following:
- the network device Before the network device receives the uplink information, it uses the resources activated by the activation signaling;
- the network equipment After receiving the uplink information, the network equipment uses the resources activated by the activation signaling;
- the network device After receiving the uplink information, the network device uses the resource indicated by the DCI.
- the SRS resource corresponding to the above-mentioned SRS to be measured includes the SRS resource configured or indicated by the network device for each of the multiple antenna panels of the terminal device;
- the above sending module 301 can also be used for:
- the target SRS is transmitted on the target SRS resource among the multiple SRS resources corresponding to the multiple antenna panels.
- the aforementioned target SRS resource is determined based on the location state information of the terminal device
- the above-mentioned target SRS resource corresponds to a target antenna panel
- the target antenna panel includes one or more of the activated antenna panels among the multiple antenna panels.
- the aforementioned update submodule may be specifically used for:
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to different antenna panels, use the first beam information as the new second beam information;
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to the same antenna panel, use the first beam information as the new second beam information, or keep the second beam information unchanged.
- the above-mentioned second beam information includes at least one of the following:
- the configuration parameter corresponding to the above-mentioned SRS to be measured satisfies at least one of the following conditions:
- the parameter value representing the frequency domain density information in the configuration parameter is greater than the third value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the fourth value.
- the first beam information is associated with at least one of the target synchronization signal block SSB and the target CORESET, and the target SSB and the target CORESET correspond to the target CSI-RS or the target SRS .
- the foregoing first beam information includes one of the following:
- the beam information determined based on the tracking reference signal TRS associated with the target SSB or the target CORESET;
- the QCL information of the PDCCH in the DCI format of the target downlink control information transmitted on the target CORESET is the QCL information of the PDCCH in the DCI format of the target downlink control information transmitted on the target CORESET.
- the target SSB or the target CORESET and TRS are spatial QCLs.
- the foregoing second beam information includes at least one of the following:
- the terminal device 300 of the embodiment of the present disclosure may further include:
- the second determining module is configured to determine the power control parameters of the target channel according to the first beam information
- the power control parameter includes the path loss reference signal RS of the target channel, and the path loss RS includes the RS or the source RS in the first beam information.
- the second beam information includes at least one of the following:
- the spatial relationship information of the SRS scheduled by the first PDCCH is the spatial relationship information of the SRS scheduled by the first PDCCH.
- the second beam information includes at least one of the following :
- the spatial relationship information of the SRS scheduled by the second PDCCH is the spatial relationship information of the SRS scheduled by the second PDCCH.
- the terminal device 300 provided in the embodiments of the present disclosure can implement the aforementioned beam information update method performed by the terminal device 300, and the relevant descriptions about the beam information update method are applicable to the terminal device 300, and will not be repeated here.
- the terminal device when the parameters related to the beam information update determined by the terminal device satisfy the corresponding preset conditions, the terminal device can actively trigger the transmission of uplink information for beam measurement, and further can be based on the beam measurement As a result, the update of the beam information is completed. In this way, the terminal device can actively trigger the beam measurement in time without the control of the network device, so that the receiving and transmitting beams on the network device side and the terminal device side can be aligned in time, thereby ensuring the communication quality and reducing the beam measurement.
- the overhead and delay speed up the beam update and data transmission process.
- an embodiment of the present disclosure provides a network device 400, and the network device 400 includes:
- the receiving module 401 is configured to receive uplink information, which is sent by the terminal device when the parameters related to the beam information update of the terminal device meet preset conditions, and the uplink information is used for beam measurement;
- the update module 403 is used to update the beam information according to the result of the beam measurement.
- the preset condition is satisfied when the position state change value reaches the first set value
- the preset condition is met when the measurement result of the downlink beam measurement index reaches the second set value.
- the aforementioned downlink beam measurement indicators include at least one of reference signal received power RSRP, reference signal received quality RSRQ, and signal to interference plus noise ratio SINR.
- the above-mentioned receiving module 401 may be specifically used for:
- the above-mentioned update module 403 may be specifically used for:
- the determining sub-module is used to determine the first beam information according to the result of the beam measurement
- the update submodule is used to update the second beam information according to the first beam information.
- the above uplink information includes the SRS to be measured; or the uplink information includes beam measurement indication information, and the beam measurement indication information includes predefined events or trigger signaling.
- the above determination sub Module which can be specifically used for:
- the first beam information is determined according to the target CSI-RS corresponding to the target CSI-RS resource indication CRI.
- the target CRI is determined by the terminal device based on the results obtained by measuring the CSI-RS to be measured sent by using different QCL information.
- the second beam information includes at least one of the following:
- the CSI-RS resource corresponding to the CSI-RS to be measured includes at least one of the following:
- the resource indicated by the DCI is used.
- the configuration parameters corresponding to the aforementioned CSI-RS to be measured satisfy at least one of the following conditions:
- the parameter value representing frequency domain density information in the configuration parameter is greater than the first value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the second value.
- the above-mentioned determining sub-module when the above-mentioned uplink information includes the SRS to be measured, or when the above-mentioned uplink information includes beam measurement instruction information, and the beam measurement instruction information is being sent After receiving the SRS to be measured sent by the terminal device, it can be specifically used for:
- the network device 400 of the embodiment of the present disclosure may further include:
- the feedback module is used to feed back the target SRS resource indication SRI to the terminal device when the SRS to be measured is sent by the terminal device using different spatial relationship information, and the target SRI corresponds to the target SRS.
- the SRS resource corresponding to the aforementioned SRS to be measured includes at least one of the following:
- the resource indicated by the DCI is used.
- the SRS resource corresponding to the aforementioned SRS to be measured includes the SRS resource configured or indicated for each of the multiple antenna panels of the terminal device;
- the above-mentioned receiving module 401 can also be specifically used for:
- the foregoing target SRS resource is determined by the terminal device according to location status information
- the above-mentioned target SRS resource corresponds to a target antenna panel
- the target antenna panel includes one or more of the activated antenna panels among the multiple antenna panels.
- the aforementioned update submodule may be specifically used for:
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to different antenna panels of the terminal device, use the first beam information as the new second beam information;
- the reference signal corresponding to the first beam information and the reference signal corresponding to the second beam information correspond to the same antenna panel of the terminal device, use the first beam information as the new second beam information, or keep the second beam information unchanged .
- the above-mentioned second beam information includes at least one of the following:
- the configuration parameters corresponding to the above-mentioned SRS to be measured satisfy at least one of the following conditions:
- the parameter value representing the frequency domain density information in the configuration parameter is greater than the third value
- the value of the parameter representing the number of repeated transmissions in the configuration parameter is greater than the fourth value.
- the aforementioned first beam information is associated with at least one of the target synchronization signal block SSB and the target CORESET, and the target SSB and the target CORESET correspond to the target CSI-RS or the target SRS.
- the foregoing first beam information includes one of the following:
- the beam information determined based on the tracking reference signal TRS associated with the target SSB or the target CORESET;
- the QCL information of the PDCCH in the DCI format of the target downlink control information transmitted on the target CORESET is the QCL information of the PDCCH in the DCI format of the target downlink control information transmitted on the target CORESET.
- the target SSB or the target CORESET and TRS are spatial QCLs.
- the foregoing second beam information includes at least one of the following:
- the network device 400 of the embodiment of the present disclosure may further include:
- the determining module is configured to determine the power control parameters of the target channel according to the first beam information
- the power control parameter includes the path loss reference signal RS of the target channel, and the path loss RS includes the RS or the source RS in the first beam information.
- the second beam information includes at least one of the following:
- the spatial relationship information of the SRS scheduled by the first PDCCH is the spatial relationship information of the SRS scheduled by the first PDCCH.
- the second beam information includes at least one of the following :
- the spatial relationship information of the SRS scheduled by the second PDCCH is the spatial relationship information of the SRS scheduled by the second PDCCH.
- the network device provided in the embodiments of the present disclosure can implement the aforementioned beam information update method performed by the network device, and the relevant descriptions about the beam information update method are applicable to the network device, and will not be repeated here.
- the uplink information for beam measurement sent by the terminal device that is actively triggered by the terminal device is received, and the beam measurement can be further performed according to the beam measurement.
- the update of the beam information is completed.
- the terminal device can actively trigger the beam measurement in time without the control of the network device, so that the receiving and transmitting beams on the network device side and the terminal device side can be aligned in time, thereby ensuring the communication quality and reducing the beam measurement.
- the overhead and delay speed up the beam update and data transmission process.
- Fig. 5 is a block diagram of a terminal device according to another embodiment of the present disclosure.
- the terminal device 500 shown in FIG. 5 includes: at least one processor 501, a memory 502, at least one network interface 504, and a user interface 503.
- the various components in the terminal device 500 are coupled together through the bus system 505.
- the bus system 505 is used to implement connection and communication between these components.
- the bus system 505 also includes a power bus, a control bus, and a status signal bus.
- various buses are marked as the bus system 505 in FIG. 5.
- the user interface 503 may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball (trackball), a touch panel, or a touch screen).
- a pointing device for example, a mouse, a trackball (trackball), a touch panel, or a touch screen.
- the memory 502 in the embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
- Synchlink DRAM Synchronous Link Dynamic Random Access Memory
- DRRAM Direct Rambus RAM
- the memory 502 stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: operating system 5021 and application programs 5022.
- the operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
- the application program 5022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., and is used to implement various application services.
- a program for implementing the method of the embodiment of the present disclosure may be included in the application program 5022.
- the terminal device 500 further includes: a computer program stored in the memory 502 and capable of running on the processor 501.
- a computer program stored in the memory 502 and capable of running on the processor 501.
- the uplink information is sent, and the uplink information is used for beam measurement;
- the beam information is updated.
- the terminal device when the parameters related to the beam information update determined by the terminal device satisfy the corresponding preset conditions, the terminal device can actively trigger the transmission of uplink information for beam measurement, and further can be based on the beam measurement As a result, the update of the beam information is completed. In this way, the terminal device can actively trigger the beam measurement in time without the control of the network device, so that the receiving and transmitting beams on the network device side and the terminal device side can be aligned in time, thereby ensuring the communication quality and reducing the beam measurement.
- the overhead and delay speed up the beam update and data transmission process.
- the methods disclosed in the foregoing embodiments of the present disclosure may be applied to the processor 501 or implemented by the processor 501.
- the processor 501 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 501 or instructions in the form of software.
- the aforementioned processor 501 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA), or other Programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA ready-made programmable gate array
- Programmable logic devices discrete gate or transistor logic devices, discrete hardware components.
- the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
- the steps of the method disclosed in combination with the embodiments of the present disclosure may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in a mature computer readable storage medium in the field, such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers.
- the computer-readable storage medium is located in the memory 502, and the processor 501 reads information in the memory 502, and completes the steps of the foregoing method in combination with its hardware.
- a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 501, the steps of the foregoing resource configuration method embodiment are implemented.
- the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
- the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this disclosure Electronic unit or its combination.
- ASIC Application Specific Integrated Circuits
- DSP Digital Signal Processing
- DSP Device Digital Signal Processing Equipment
- PLD programmable Logic Device
- PLD Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
- the software codes can be stored in the memory and executed by the processor.
- the memory can be implemented in the processor or external to the processor.
- the terminal device 500 can implement the various processes implemented by the terminal device in the foregoing embodiments. To avoid repetition, details are not described here.
- FIG. 6 is a structural diagram of a network device applied in an embodiment of the present disclosure, which can implement the details of the aforementioned beam information update method and achieve the same effect.
- the network device 600 includes: a processor 601, a transceiver 602, a memory 603, a user interface 604, and a bus interface 605, where:
- the network device 600 further includes: a computer program that is stored in the memory 603 and can run on the processor 601, and the computer program is executed by the processor 601 to implement the following steps:
- the uplink information is sent by the terminal device when the parameters related to the beam information update of the terminal device meet the preset conditions, and the uplink information is used for beam measurement;
- the beam information is updated.
- the uplink information for beam measurement sent by the terminal device that is actively triggered by the terminal device is received, and the beam measurement can be further performed according to the beam measurement.
- the update of the beam information is completed.
- the terminal device can actively trigger the beam measurement in time without the control of the network device, so that the receiving and transmitting beams on the network device side and the terminal device side can be aligned in time, thereby ensuring the communication quality and reducing the beam measurement.
- the overhead and delay speed up the beam update and data transmission process.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 601 and various circuits of the memory represented by the memory 603 are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
- the bus interface 605 provides an interface.
- the transceiver 602 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the user interface 604 may also be an interface capable of connecting externally and internally with required equipment.
- the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 can store data used by the processor 601 when performing operations.
- an embodiment of the present disclosure further provides a terminal device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
- the computer program is executed by the processor to realize the above beam information
- the embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
- the computer program is executed by a processor, each process of the above-mentioned method for updating beam information applied to a terminal device is implemented. , And can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
- the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
- an embodiment of the present disclosure further provides a network device, including a processor, a memory, and a computer program stored in the memory and running on the processor, and the computer program is executed by the processor to realize the above beam information
- a network device including a processor, a memory, and a computer program stored in the memory and running on the processor, and the computer program is executed by the processor to realize the above beam information
- the embodiments of the present disclosure also provide a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
- a computer program is stored on the computer-readable storage medium.
- the computer program is executed by a processor, each process of the method embodiment for updating beam information applied to a network device is realized. , And can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
- the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
- the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
- the technical solution of the present disclosure essentially or the part that contributes to the related 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, optical disk). ) 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 disclosure.
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Abstract
Description
Claims (53)
- 一种波束信息更新的方法,应用于终端设备,所述方法包括:在所述终端设备的与波束信息更新相关的参数满足预设条件的情况下,发送上行信息,所述上行信息用于进行波束测量;根据波束测量的结果,更新波束信息。
- 根据权利要求1所述的方法,其中,所述方法还包括:在所述参数为所述终端设备的位置状态变化值的情况下,若所述位置状态变化值达到第一设定值,则确定所述参数满足所述预设条件;或者在所述参数为所述终端设备对下行波束测量指标的测量结果的情况下,若所述下行波束测量指标的测量结果达到第二设定值,则确定所述参数满足所述预设条件。
- 根据权利要求1所述的方法,其中,所述发送上行信息,包括:在网络设备预配置的周期性资源上,发送所述上行信息。
- 根据权利要求1所述的方法,其中,所述根据波束测量的结果,更新波束信息,包括:根据波束测量的结果,确定第一波束信息;根据所述第一波束信息,更新第二波束信息。
- 根据权利要求4所述的方法,其中,所述上行信息包括待测量探测参考信号SRS;或者所述上行信息包括波束测量指示信息,所述波束测量指示信息包括预定义的事件或触发信令。
- 根据权利要求5所述的方法,其中,在所述上行信息包括所述波束测量指示信息,且在发送所述波束测量指示信息后接收到网络设备发送的待测量信道状态信息参考信号CSI-RS的情况下,所述根据波束测量的结果,确定第一波束信息,包括:基于接收到的所述待测量CSI-RS进行下行波束测量得到的结果,确定所述待测量CSI-RS中的目标CSI-RS对应的所述第一波束信息。
- 根据权利要求6所述的方法,其中,在所述待测量CSI-RS为所述网络设备使用不同的准共址QCL信息发送的情况下,所述方法还包括:向所述网络设备反馈目标CSI-RS资源指示CRI,所述目标CRI与所述目标CSI-RS对应。
- 根据权利要求6或7所述的方法,其中,在所述第一波束信息与所述目标CSI-RS对应的情况下,所述第二波束信息包括以下至少之一:各控制资源集CORESET上传输的物理下行控制信道PDCCH的QCL信息;物理下行共享信道PDSCH的QCL信息;除所述目标CSI-RS之外的其他CSI-RS的QCL信息;PUCCH的空间关系信息;物理上行共享信道PUSCH的空间关系信息;SRS的空间关系信息。
- 根据权利要求6或7所述的方法,其中,所述待测量CSI-RS对应的CSI-RS资源包括以下至少之一:所述网络设备在接收到所述上行信息前预先配置的资源;所述网络设备在接收到所述上行信息后配置的资源;所述网络设备在接收到所述上行信息前,使用激活信令激活的资源;所述网络设备在接收到所述上行信息后,使用激活信令激活的资源;所述网络设备在接收到所述上行信息后,使用下行控制信息DCI指示的资源。
- 根据权利要求6或7所述的方法,其中,所述待测量CSI-RS对应的配置参数满足以下条件中的至少一个:配置参数中表征频域密度信息的参数值大于第一值;配置参数中表征重复发送次数的参数值大于第二值。
- 根据权利要求5所述的方法,其中,在所述上行信息包括待测量SRS的情况下,或者在所述上行信息包括所述波束测量指示信息,且在发送所述波束测量指示信息后向网络设备发送待测量SRS的情况下,所述根据波束测量的结果,确定第一波束信息,包括:根据所述待测量SRS中的目标SRS,确定所述第一波束信息,所述待测量SRS是采用相同的空间关系信息发送的;或者根据目标SRS资源指示SRI对应的目标SRS,确定所述第一波束信息,所述目标SRI为所述网络设备基于测量采用不同的空间关系信息发送的待测量SRS得到。
- 根据权利要求11所述的方法,其中,所述待测量SRS对应的SRS资源包括以下至少之一:多个终端设备间共享的资源;所述网络设备在接收到所述上行信息前预先配置的资源;所述网络设备在接收到所述上行信息后配置的资源;所述网络设备在接收到所述上行信息前,使用激活信令激活的资源;所述网络设备在接收到所述上行信息后,使用激活信令激活的资源;所述网络设备在接收到所述上行信息后,使用DCI指示的资源。
- 根据权利要求12所述的方法,其中,所述待测量SRS对应的SRS资源包括所述网络设备为所述终端设备的多个天线面板中的每个天线面板配置或指示的SRS资源;其中,所述方法还包括:在所述多个天线面板对应的多个SRS资源中的目标SRS资源上,发送所述目标SRS。
- 根据权利要求13所述的方法,其中,所述目标SRS资源基于所述终端设备的位置状态信息确定;其中,所述目标SRS资源与目标天线面板对应,所述目标天线面板包括所述多个天线面板中被激活的天线面板中的一个或多个。
- 根据权利要求13或14所述的方法,其中,所述根据所述第一波束信息,更新第二波束信息,包括:若所述第一波束信息对应的参考信号和所述第二波束信息对应的参考信号对应不同的天线面板,则将所述第一波束信息作为新的第二波束信息;若所述第一波束信息对应的参考信号和所述第二波束信息对应的参考信号对应相同的天线面板,则将所述第一波束信息作为新的第二波束信息,或使所述第二波束信息保持不变。
- 根据权利要求11所述的方法,其中,在所述第一波束信息与所述目标SRS对应的情况下,所述第二波束信息包括以下至少之一:各CORESET上传输的PDCCH的QCL信息;PDSCH的QCL信息;CSI-RS的QCL信息;PUCCH的空间关系信息;PUSCH的空间关系信息;除所述目标SRS之外的其他SRS的空间关系信息。
- 根据权利要求11所述的方法,其中,所述待测量SRS对应的配置参数满足以下条件中的至少一个:配置参数中表征频域密度信息的参数值大于第三值;配置参数中表征重复发送次数的参数值大于第四值。
- 根据权利要求6、7或11所述的方法,其中,所述第一波束信息与目标同步信号块SSB和目标CORESET中的至少一个关联,所述目标SSB和所述目标CORESET与所述目标CSI-RS或所述目标SRS对应。
- 根据权利要求18所述的方法,其中,所述第一波束信息包括以下之一:基于所述终端设备的位置状态信息确定的所述目标SSB和所述目标CORESET中的至少一个的波束信息;基于与所述目标SSB或所述目标CORESET相关联的跟踪参考信号TRS确定的波束信息;所述目标CORESET上传输的目标下行控制信息DCI格式的PDCCH的QCL信息。
- 根据权利要求19所述的方法,其中,在所述第一波束信息为基于与所述目标SSB或所述目标CORESET相关联的TRS确定的情况下,所述目标SSB或所述目标CORESET与所述TRS是空间QCL。
- 根据权利要求19所述的方法,其中,所述第二波束信息包括以下至少之一:除所述目标CORESET外的其他CORESET上传输的PDCCH的QCL信息;PDSCH的QCL信息;CSI-RS的QCL信息;PUSCH的空间关系信息;PUCCH的空间关系信息;SRS的空间关系信息。
- 根据权利要求4所述的方法,其中,所述方法还包括:根据所述第一波束信息,确定目标信道的功控参数;其中,所述功控参数包括所述目标信道的路损参考信号RS,所述路损RS包括所述第一波束信息中的RS或源RS。
- 根据权利要求4所述的方法,其中,在所述第一波束信息为第一PDCCH的 QCL信息的情况下,所述第二波束信息包括以下至少之一:所述第一PDCCH调度的PDSCH的QCL信息;所述第一PDCCH调度的CSI-RS的QCL信息;所述第一PDCCH调度的PUSCH的空间关系信息;所述第一PDCCH调度的SRS的空间关系信息。
- 根据权利要求4所述的方法,其中,在所述第一波束信息为第二PDCCH上DCI所指示的QCL信息或空间关系信息的情况下,所述第二波束信息包括以下至少之一:所述第二PDCCH所调度的PDSCH的QCL信息;所述第二PDCCH所调度的CSI-RS的QCL信息;所述第二PDCCH所调度的PUSCH的空间关系信息;所述第二PDCCH所调度的SRS的空间关系信息。
- 一种波束信息更新的方法,应用于网络设备,所述方法包括:接收上行信息,所述上行信息为终端设备在所述终端设备的与波束信息更新相关的参数满足预设条件的情况下发送的,所述上行信息用于进行波束测量;根据波束测量的结果,更新波束信息。
- 根据权利要求25所述的方法,其中,若所述参数为所述终端设备的位置状态变化值,则在所述位置状态变化值达到第一设定值时满足所述预设条件;或者若所述参数为所述终端设备对下行波束测量指标的测量结果,则在所述下行波束测量指标的测量结果达到第二设定值时满足所述预设条件。
- 根据权利要求25所述的方法,其中,所述接收上行信息,包括:在预配置的周期性资源上,接收所述上行信息。
- 根据权利要求25所述的方法,其中,所述根据波束测量的结果,确定波束信息,包括:根据波束测量的结果,确定第一波束信息;根据所述第一波束信息,更新第二波束信息。
- 根据权利要求25所述的方法,其中,所述上行信息包括待测量SRS;或者所述上行信息包括波束测量指示信息,所述波束测量指示信息包括预定义的事件或触发信令。
- 根据权利要求29所述的方法,其中,在所述上行信息包括所述波束测量指示信息,且在接收到所述波束测量指示信息后向所述终端设备发送待测量CSI-RS的情况下,所述根据波束测量的结果,确定第一波束信息,包括:根据所述待测量CSI-RS中的目标CSI-RS,确定所述第一波束信息,所述待测量CSI-RS是采用相同的QCL信息发送的;或者根据目标CSI-RS资源指示CRI对应的目标CSI-RS,确定所述第一波束信息,所述目标CRI为所述终端设备基于测量采用不同的QCL信息发送的待测量CSI-RS得到的结果确定。
- 根据权利要求30所述的方法,其中,在所述第一波束信息与所述目标CSI-RS 对应的情况下,第二波束信息包括以下至少之一:各CORESET上传输的PDCCH的QCL信息;PDSCH的QCL信息;除所述目标CSI-RS之外的其他CSI-RS的QCL信息;PUCCH的空间关系信息;PUSCH的空间关系信息;SRS的空间关系信息。
- 根据权利要求30所述的方法,其中,所述待测量CSI-RS对应的CSI-RS资源包括以下至少之一:在接收到所述上行信息前预先配置的资源;在接收到所述上行信息后配置的资源;在接收到所述上行信息前,使用激活信令激活的资源;在接收到所述上行信息后,使用激活信令激活的资源;在接收到所述上行信息后,使用DCI指示的资源。
- 根据权利要求30所述的方法,其中,所述待测量CSI-RS对应的配置参数满足以下条件中的至少一个:配置参数中表征频域密度信息的参数值大于第一值;配置参数中表征重复发送次数的参数值大于第二值。
- 根据权利要求29所述的方法,其中,在所述上行信息包括待测量SRS的情况下,或者在所述上行信息包括所述波束测量指示信息,且在接收到所述波束测量指示信息后接收到所述终端设备发送的待测量SRS的情况下,所述根据波束测量的结果,确定第一波束信息,包括:基于接收到的所述待测量SRS进行上行波束测量得到的结果,确定所述待测量SRS中的目标SRS对应的所述第一波束信息。
- 根据权利要求34所述的方法,其中,在所述待测量SRS为所述终端设备使用不同的空间关系信息发送的情况下,所述方法还包括:向所述终端设备反馈目标SRS资源指示SRI,所述目标SRI与所述目标SRS对应。
- 根据权利要求34或35所述的方法,其中,所述待测量SRS对应的SRS资源包括以下至少之一:多个终端设备间共享的资源;在接收到所述上行信息前预先配置的资源;在接收到所述上行信息后配置的资源;在接收到所述上行信息前,使用激活信令激活的资源;在接收到所述上行信息后,使用激活信令激活的资源;在接收到所述上行信息后,使用DCI指示的资源。
- 根据权利要求36所述的方法,其中,所述待测量SRS对应的SRS资源包括为所述终端设备的多个天线面板中的每个天线面板配置或指示的SRS资源;其中,所述方法还包括:在所述多个天线面板对应的多个SRS资源中的目标SRS资源上,接收所述目标 SRS。
- 根据权利要求37所述的方法,其中,所述目标SRS资源由所述终端设备根据位置状态信息确定;其中,所述目标SRS资源与目标天线面板对应,所述目标天线面板包括所述多个天线面板中被激活的天线面板中的一个或多个。
- 根据权利要求38所述的方法,其中,所述根据所述第一波束信息,更新第二波束信息,包括:若所述第一波束信息对应的参考信号和所述第二波束信息对应的参考信号对应所述终端设备的不同的天线面板,则将所述第一波束信息作为新的第二波束信息;若所述第一波束信息对应的参考信号和所述第二波束信息对应的参考信号对应所述终端设备的相同的天线面板,则将所述第一波束信息作为新的第二波束信息,或使所述第二波束信息保持不变。
- 根据权利要求34或35所述的方法,其中,在所述第一波束信息与所述目标SRS对应的情况下,第二波束信息包括以下至少之一:各CORESET上传输的PDCCH的QCL信息;PDSCH的QCL信息;CSI-RS的QCL信息;PUCCH的空间关系信息;PUSCH的空间关系信息;除所述目标SRS之外的其他SRS的空间关系信息。
- 根据权利要求34或35所述的方法,其中,所述待测量SRS对应的配置参数满足以下条件中的至少一个:配置参数中表征频域密度信息的参数值大于第三值;配置参数中表征重复发送次数的参数值大于第四值。
- 根据权利要求30、34或35所述的方法,其中,所述第一波束信息与目标同步信号块SSB和目标CORESET中的至少一个关联,所述目标SSB和所述目标CORESET与所述目标CSI-RS或所述目标SRS对应。
- 根据权利要求42所述的方法,其中,所述第一波束信息包括以下之一:基于所述终端设备的位置状态信息确定的所述目标SSB和所述目标CORESET中的至少一个的波束信息;基于与所述目标SSB或所述目标CORESET相关联的跟踪参考信号TRS确定的波束信息;所述目标CORESET上传输的目标下行控制信息DCI格式的PDCCH的QCL信息。
- 根据权利要求43所述的方法,其中,在所述第一波束信息为基于与所述目标SSB或所述目标CORESET相关联的TRS确定的情况下,所述目标SSB或所述目标CORESET与所述TRS是空间QCL。
- 根据权利要求43所述的方法,其中,第二波束信息包括以下至少之一:除所述目标CORESET外的其他CORESET上传输的PDCCH的QCL信息;PDSCH的QCL信息;CSI-RS的QCL信息;PUSCH的空间关系信息;PUCCH的空间关系信息;SRS的空间关系信息。
- 根据权利要求28所述的方法,其中,所述方法还包括:根据所述第一波束信息,确定目标信道的功控参数;其中,所述功控参数包括所述目标信道的路损参考信号RS,所述路损RS包括所述第一波束信息中的RS或源RS。
- 根据权利要求28所述的方法,其中,在所述第一波束信息为第一PDCCH的QCL信息的情况下,所述第二波束信息包括以下至少之一:所述第一PDCCH调度的PDSCH的QCL信息;所述第一PDCCH调度的CSI-RS的QCL信息;所述第一PDCCH调度的PUSCH的空间关系信息;所述第一PDCCH调度的SRS的空间关系信息。
- 根据权利要求28所述的方法,其中,在所述第一波束信息为第二PDCCH上DCI所指示的QCL信息或空间关系信息的情况下,所述第二波束信息包括以下至少之一:所述第二PDCCH所调度的PDSCH的QCL信息;所述第二PDCCH所调度的CSI-RS的QCL信息;所述第二PDCCH所调度的PUSCH的空间关系信息;所述第二PDCCH所调度的SRS的空间关系信息。
- 一种终端设备,包括:发送模块,用于在所述终端设备的与波束信息更新相关的参数满足预设条件的情况下,发送上行信息,所述上行信息用于进行波束测量;更新模块,用于根据波束测量的结果,更新波束信息。
- 一种网络设备,包括:接收模块,用于接收上行信息,所述上行信息为终端设备在所述终端设备的与波束信息更新相关的参数满足预设条件的情况下发送的,所述上行信息用于进行波束测量;更新模块,用于根据波束测量的结果,更新波束信息。
- 一种终端设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1至24中任一项所述的方法的步骤。
- 一种网络设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求25至48中任一项所述的方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至48中任一项所述的方法的步骤。
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113597791A (zh) * | 2021-06-17 | 2021-11-02 | 北京小米移动软件有限公司 | 功率信息的发送方法、接收方法、装置、设备及存储介质 |
CN113746517A (zh) * | 2021-08-31 | 2021-12-03 | 荣耀终端有限公司 | 一种波束训练的方法及装置 |
WO2023279367A1 (en) * | 2021-07-09 | 2023-01-12 | Nokia Shanghai Bell Co., Ltd. | Beam management for small data transmission |
WO2023116673A1 (zh) * | 2021-12-22 | 2023-06-29 | 维沃移动通信有限公司 | 感知方法、装置及通信设备 |
WO2024093772A1 (zh) * | 2022-11-03 | 2024-05-10 | 维沃移动通信有限公司 | 波束处理方法、装置、通信设备及可读存储介质 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115175227A (zh) * | 2021-04-02 | 2022-10-11 | 华为技术有限公司 | 信道测量方法及装置 |
CN115209498A (zh) * | 2021-04-12 | 2022-10-18 | 维沃移动通信有限公司 | 信息信号的更新方法、终端及网络侧设备 |
CN115696540A (zh) * | 2021-07-30 | 2023-02-03 | 维沃移动通信有限公司 | 参数确定方法、装置及设备 |
WO2023150918A1 (zh) * | 2022-02-08 | 2023-08-17 | 北京小米移动软件有限公司 | 一种波束管理的方法及其装置 |
WO2024087217A1 (zh) * | 2022-10-28 | 2024-05-02 | 北京小米移动软件有限公司 | 一种模型性能监测方法、装置、设备及存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018082040A1 (zh) * | 2016-11-04 | 2018-05-11 | 富士通株式会社 | 波束重选装置、小区重选装置、触发测量的装置 |
CN109076408A (zh) * | 2017-01-20 | 2018-12-21 | 惠州Tcl移动通信有限公司 | 小区切换前测量方法、基站及用户设备 |
US20190150133A1 (en) * | 2017-11-10 | 2019-05-16 | Apple Inc. | UE Initiated Beam Management Procedure |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160105872A1 (en) * | 2014-10-14 | 2016-04-14 | Asustek Computer Inc. | Method and apparatus for beam tracking in a wireless communication system |
WO2016165128A1 (zh) * | 2015-04-17 | 2016-10-20 | 华为技术有限公司 | 传输信息的方法、基站和用户设备 |
CN107135021B (zh) * | 2016-02-29 | 2021-10-15 | 中兴通讯股份有限公司 | 一种上行波束跟踪方法及相应的终端和基站 |
US11159995B2 (en) * | 2016-04-14 | 2021-10-26 | Intel Corporation | Device and method for performing handover in massive multiple-input-multiple-output (MIMO) systems |
CN107888240B (zh) * | 2016-09-30 | 2022-07-19 | 中兴通讯股份有限公司 | 一种波束扫描和切换的方法及装置 |
WO2018098969A1 (zh) * | 2016-11-30 | 2018-06-07 | 华为技术有限公司 | 一种波束管理方法、装置及系统 |
JP7139413B2 (ja) * | 2017-07-21 | 2022-09-20 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおいてチャンネル状態情報参照信号を送受信する方法、及びこのための装置 |
CN109392075B (zh) * | 2017-08-09 | 2021-04-16 | 展讯通信(上海)有限公司 | 时频跟踪参考信号的配置方法、基站及计算机可读介质 |
US10548182B2 (en) * | 2017-08-21 | 2020-01-28 | Qualcomm Incorporated | Beam management for connected discontinuous reception with advanced grant indicator |
US10530503B2 (en) * | 2017-09-11 | 2020-01-07 | Apple Inc. | Apparatus and method for RSRP measurement and allocation of downlink transmission resources |
US10784943B2 (en) * | 2017-10-23 | 2020-09-22 | Apple, Inc. | Beam failure recovery operation |
-
2019
- 2019-08-05 CN CN201910718385.8A patent/CN111818660B/zh active Active
-
2020
- 2020-08-05 WO PCT/CN2020/107174 patent/WO2021023232A1/zh active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018082040A1 (zh) * | 2016-11-04 | 2018-05-11 | 富士通株式会社 | 波束重选装置、小区重选装置、触发测量的装置 |
CN109076408A (zh) * | 2017-01-20 | 2018-12-21 | 惠州Tcl移动通信有限公司 | 小区切换前测量方法、基站及用户设备 |
US20190150133A1 (en) * | 2017-11-10 | 2019-05-16 | Apple Inc. | UE Initiated Beam Management Procedure |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113597791A (zh) * | 2021-06-17 | 2021-11-02 | 北京小米移动软件有限公司 | 功率信息的发送方法、接收方法、装置、设备及存储介质 |
CN113597791B (zh) * | 2021-06-17 | 2024-03-26 | 北京小米移动软件有限公司 | 功率信息的发送方法、接收方法、装置、设备及存储介质 |
WO2023279367A1 (en) * | 2021-07-09 | 2023-01-12 | Nokia Shanghai Bell Co., Ltd. | Beam management for small data transmission |
CN113746517A (zh) * | 2021-08-31 | 2021-12-03 | 荣耀终端有限公司 | 一种波束训练的方法及装置 |
WO2023116673A1 (zh) * | 2021-12-22 | 2023-06-29 | 维沃移动通信有限公司 | 感知方法、装置及通信设备 |
WO2024093772A1 (zh) * | 2022-11-03 | 2024-05-10 | 维沃移动通信有限公司 | 波束处理方法、装置、通信设备及可读存储介质 |
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