WO2021109974A1 - Procédé de mesure de qualité de faisceau, et appareil - Google Patents

Procédé de mesure de qualité de faisceau, et appareil Download PDF

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Publication number
WO2021109974A1
WO2021109974A1 PCT/CN2020/132886 CN2020132886W WO2021109974A1 WO 2021109974 A1 WO2021109974 A1 WO 2021109974A1 CN 2020132886 W CN2020132886 W CN 2020132886W WO 2021109974 A1 WO2021109974 A1 WO 2021109974A1
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WIPO (PCT)
Prior art keywords
target
signaling
rss
multiple rss
configuration
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PCT/CN2020/132886
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English (en)
Chinese (zh)
Inventor
杨昂
孙鹏
吴昱民
陈力
杨宇
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维沃移动通信有限公司
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Publication of WO2021109974A1 publication Critical patent/WO2021109974A1/fr

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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]
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular to a beam quality measurement method and device.
  • the beam pair includes a transmitting beam of the network device and a receiving beam of the terminal device.
  • a network device can configure multiple reference signals (Reference Signals, RS) for a terminal device, so that the terminal device can measure the beam quality of beams in different directions.
  • RS Reference Signals
  • the terminal device can only detect the performance of each RS separately, and the beam quality in the obtained beam measurement report is for a single RS.
  • the terminal equipment may have errors in beam detection, and the result of a single measurement through a single RS is often not accurate enough. Therefore, it is necessary to provide a beam quality measurement method to improve the measurement accuracy of the beam quality.
  • the purpose of the embodiments of the present invention is to provide a beam quality measurement method and device to improve the measurement accuracy of the beam quality.
  • a beam quality measurement method is provided, the method is executed by a terminal device, and the method includes:
  • a beam quality measurement method is provided, the method is executed by a network device, and the method includes:
  • multiple RSs are used for the terminal device to determine the beam quality index of the target beam pair.
  • a terminal device in a third aspect, includes:
  • the receiving module is used to receive multiple RSs
  • the determining module is used to determine the beam quality index of the target beam pair based on multiple RSs.
  • a network device in a fourth aspect, includes:
  • Sending module used to send multiple RSs
  • multiple RSs are used for the terminal device to determine the beam quality index of the target beam pair.
  • a terminal device in a fifth aspect, includes 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 achieve the beam quality as in the first aspect. Steps of the measurement method.
  • a network device in a sixth aspect, includes 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 achieve the beam quality as in the second aspect. Steps of the measurement method.
  • a computer-readable storage medium is provided, and a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the steps of the beam quality measurement method of the first aspect or the second aspect are implemented.
  • the terminal device receives multiple RSs, and jointly determines the beam quality index of the target beam pair through the multiple RSs, which is compared with the solution in the related art that uses one RS to determine the beam quality index of the target beam pair , Can improve the measurement accuracy of beam quality, reduce the time domain filtering time, and achieve the purpose of faster and more accurate beam training.
  • Fig. 1 is a schematic flowchart of an embodiment of a beam quality measurement method of the present invention
  • FIG. 2 is a schematic diagram of an embodiment of RS transmission of the beam quality measurement method of the present invention.
  • FIG. 3 is a schematic flowchart of another embodiment of the beam quality measurement method of the present invention.
  • Figure 4 is a schematic structural diagram of an embodiment of a terminal device of the present invention.
  • Figure 5 is a schematic structural diagram of an embodiment of a network device of the present invention.
  • Fig. 6 is a schematic structural diagram of another embodiment of a terminal device of the present invention.
  • Fig. 7 is a schematic structural diagram of another embodiment of a network device of the present invention.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • LTE Time Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • terminal equipment may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), and a mobile phone (handset) And portable equipment (portable equipment), vehicles (vehicle), etc.
  • the terminal equipment can communicate with one or more core networks through a radio access network (Radio Access Network, RAN), for example, the terminal equipment can be a mobile phone (or It is called a "cellular" phone), a computer with wireless communication function, etc.
  • the terminal device can also be a portable, pocket-sized, handheld, built-in computer or a mobile device in a vehicle.
  • a network device is a device deployed in a wireless access network to provide wireless communication functions for terminal devices.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with base station functions may be different.
  • an LTE network it is called an evolved NodeB (evolved NodeB, eNB, or eNodeB)
  • eNB evolved NodeB
  • 3G Third Generation
  • Node B Node B
  • Network equipment etc.
  • the wording does not constitute a restriction.
  • the present invention provides an embodiment of a beam quality measurement method 100.
  • the method can be executed by a terminal device.
  • the method can be executed by software or hardware installed on the terminal device.
  • the method includes the following steps:
  • S102 Receive multiple RSs.
  • the multiple RSs are sent by the network device through the target transmission beam, and the terminal device uses the target reception beam to receive the multiple RSs.
  • the details are shown in Fig. 2, where Fig. 2 shows that the network device is a Transmission Receive Point (TRP) as an example.
  • TRP Transmission Receive Point
  • the foregoing multiple RSs may be reference signals used for beam quality measurement.
  • the foregoing multiple RSs are all channel state information reference signals (CSI-RS); for another example, the foregoing multiple RSs are all channel state information reference signals (CSI-RS).
  • Synchronization signal block Synchronization Signal block (Synchronization Signal and PBCH block, SSB for short); for another example, the multiple RSs are a combination of one or more CSI-RSs and one or more SSBs.
  • the multiple RSs mentioned above satisfy the Quasi Co-Location (QCL) relationship, and the QCL relationship is used to indicate that the resources of the multiple RSs have one or more identical or similar communication characteristics.
  • QCL Quasi Co-Location
  • S104 Determine the beam quality index of the target beam pair based on the received multiple RSs.
  • the target beam pair includes a transmitting beam and a receiving beam.
  • the transmitting beam is the transmitting beam of the network device transmitting the above-mentioned multiple RSs;
  • the receiving beam is the receiving beam of the terminal device receiving the multiple RSs.
  • the terminal device may determine the beam quality index of the target beam pair based on the received multiple RSs and all the antenna ports corresponding to the multiple RSs.
  • the terminal device may jointly calculate the beam quality index on the resource elements (Resource Elements, RE) of the multiple RSs.
  • the beam quality index may include CSI parameters or calculated beam quality.
  • the beam quality indicators may include reference signal received power (RSRP), reference signal receiving quality (RSRQ), and signal to interference plus noise ratio (SINR). ) At least one of.
  • RSRP reference signal received power
  • RSRQ reference signal receiving quality
  • SINR signal to interference plus noise ratio
  • the terminal device may calculate the beam quality indicators respectively obtained by multiple RSs through at least one of the following algorithms to obtain the beam quality indicators of the target beam pair: linear average; geometric average; harmonic average; square average; weighted average ; The minimum value is maximized; the maximum value is minimized.
  • the algorithm in the embodiment of the present invention is not limited to the above examples and simple changes thereof.
  • the terminal device can compare the beam quality index of the first RS (for example, RSRP) and the beam quality index of the second RS (and the beam quality index of the first RS).
  • the types of beam quality indicators are the same, for example, all of them are RSRP) to perform a linear average operation, and the obtained result is used as the beam quality indicator of the target beam pair.
  • P-1 The UE measures the multiple transmit beams of the TRP and the receive beam of the UE, and selects the transmit beam of the TRP and the receive beam of the UE.
  • Typical scenario TRP scans multiple transmit beams, and UE scans multiple receive beams. The UE reports the selected at least one TRP transmission beam to the TRP.
  • P-2 The UE measures multiple transmit beams of the TRP and selects the transmit beam of the TRP.
  • Typical scenario Compared with P-1, it can be regarded as a special case of P-1 to achieve a small range and more accurate transmission beam scanning.
  • the UE reports the selected at least one TRP transmission beam to the TRP.
  • the UE measures multiple receive beams of the UE on the same transmit beam of the TRP, and selects the receive beam of the UE. The UE does not report to the TRP.
  • the following step may be further included: sending a beam measurement report, the beam measurement report Including the above-mentioned beam quality index and the identification of the target RS.
  • the network device receives the identification of the target RS, it can identify the transmission beams that send the multiple RSs. Data or signal can be transmitted between the transmitting beam and the terminal device.
  • the identifier of the target RS is information that can distinguish the target RS from other RSs.
  • the sequence used by the target RS may be used as the signal identifier, or the cyclic shift of the sequence generating the target RS may be used as the signal identifier, or The number of the target RS is the signal identifier.
  • the identifier of the target RS is SSB index; for another example, if the target RS is CSI-RS, the identifier of the target RS is CSI-RS index.
  • a terminal device receives multiple RSs and jointly determines the beam quality index of the target beam pair through the multiple RSs.
  • the measurement accuracy of the beam quality can be improved, the time-domain filtering time can be reduced, and the purpose of faster and more accurate beam training can be achieved.
  • one RS corresponds to one beam
  • the network device cannot achieve the effect of improving the speed and accuracy of beam training by increasing the RS.
  • the terminal device can use 8 receiving beams, and the network device configures the terminal device with 16 RSs, then the network can correspond to one beam of the terminal device for every 2 RSs.
  • the terminal device can only perform detection on each RS's own RE, and in the beam report, the terminal device can only report each RS's own beam quality, so that resources cannot be utilized to the maximum.
  • the embodiment of the present invention proposes multiple RSs to jointly detect the beam quality index of the target beam pair.
  • the same is the above example.
  • the terminal device can measure the quality of the beam on the REs of the 2 RSs and linearly average the beam quality, so that the beam measurement is converged. The speed has doubled. If a beam uses more RSs to detect, the convergence speed of the beam measurement can be improved even more.
  • the network equipment can flexibly configure beam training according to the number of RS resources in the system, the number of terminal equipment, and the type of terminal equipment service to improve system performance.
  • the RS for beam training of each terminal device is relatively less configured (still can be more than one), and the training speed is reduced; when the number of terminal devices is relatively small, the RS for beam training of each terminal device is relatively small.
  • RSs For important services with high channel quality requirements, more RSs can be configured to make beam training more accurate; for services with general channel quality requirements, the beam training requirements can be reduced.
  • the terminal equipment Since the terminal equipment has errors in beam detection (or measurement), the beam itself will also change over time, and the result of a single measurement is often inaccurate. Therefore, the results of the beam measurement need to be filtered in the time domain, and multiple time measurements are used to improve the measurement accuracy and reduce the influence of time variation. Furthermore, it is necessary to perform layer 3 filtering on the basis of the result of layer 1 filtering to further improve the quality of beam measurement.
  • the measurement accuracy of the beam quality can be improved.
  • the time domain resources of these multiple RSs can be relatively close, and can even occupy the same time domain resources (differentiated by frequency domain), which can reduce or even omit the above-mentioned layer 1 filtering and layer 3 filtering, thus reducing the time domain filtering time.
  • the embodiment of the present invention may also consider implementing the function of multiple RS joint detection under the condition that the impact on the existing protocol is as small as possible.
  • the embodiment of the present invention considers three different configuration methods. , Are all methods with minor changes to the existing protocol. The following three embodiments will be divided into three embodiments to introduce in detail the specific configuration method for multiple RSs to jointly detect a single beam.
  • the foregoing multiple RSs are configured through high-level signaling, and the high-level signaling includes one of the following:
  • CSI-MeasConfig 1) CSI measurement configuration signaling (CSI-MeasConfig);
  • CSI-ResourceConfig CSI resource configuration signaling
  • NZP-CSI-RS-ResourceSet Non-zero power CSI-RS resource set signaling
  • CSI-SSB-ResourceSet CSI-SSB resource set signaling
  • the state of a certain high-level signaling is configured to be "on", and the high-level signaling can instruct the terminal device to receive the multiple RSs.
  • the beam measurement report when the terminal device sends the beam measurement report, the beam measurement report includes the identification of the target RS, and the target RS may be among all RSs associated with the above-mentioned high-level signaling:
  • the network device is configuring the terminal device In the above multiple RSs, it is already known which target RS is subsequently reported by the terminal device.
  • the target RS is any one of all RSs associated with the above-mentioned high-level signaling
  • the network equipment configures the above-mentioned multiple RSs, it usually does not know which RS identification may be reported by the terminal equipment subsequently, and the network equipment Only after receiving the identifier of the (target) RS included in the beam measurement report, the (target) RS can be used for beam-related instructions subsequently.
  • the first/last configured RS mentioned in the various embodiments of this specification can specifically refer to the order of RS in the configuration as the first/last.
  • the network device is configured at the same time If there are multiple RSs, the first configured RS is the first in the configuration sequence, and the last configured RS is the last in the configuration sequence.
  • the high-level signaling when the high-level signaling is CSI measurement configuration signaling (CSI-MeasConfig), the high-level signaling can be associated with CSI resource configuration signaling (CSI-ResourceConfig), and CSI resource configuration signaling can be used to configure resource sets
  • CSI-MeasConfig CSI measurement configuration signaling
  • the RS associated with the high-level signaling—CSI measurement configuration signaling may be multiple RSs included in the resource set configured by the CSI resource configuration signaling.
  • CSI measurement configuration signaling can also directly configure RS resources and/or RS resource sets.
  • the high-level signaling—RS associated with CSI measurement configuration signaling may be multiple RSs configured and/or multiple RS resource sets. RS.
  • the high-level signaling when the high-level signaling is CSI resource configuration signaling (CSI-ResourceConfig), the high-level signaling can configure a resource set, and the above-mentioned multiple RSs are included in the resource set.
  • the high-level signaling— The RS associated with CSI resource configuration signaling can also be referred to as high-level signaling—RS configured by CSI resource configuration signaling.
  • the high-level signaling when the high-level signaling is CSI report configuration signaling (CSI-ReportConfig), the high-level signaling can be associated with the CSI resource configuration signaling, and the CSI resource configuration signaling can be used to configure a resource set. It is included in the resource set.
  • the RS associated with the high-level signaling—CSI report configuration signaling may be multiple RSs included in the resource set configured by the CSI resource configuration signaling.
  • the target RS included in the beam measurement report may be instructed by the configuration of the network device, may also be independently selected by the terminal device, or may be agreed upon by a protocol.
  • the protocol stipulates that the target RS included in the beam measurement report sent by the terminal device is the first configured among all RSs associated with high-level signaling.
  • the repetition configuration (repetition) of the above-mentioned high-level signaling may be in the on state, so that the network device can repeatedly send the above-mentioned multiple RSs through the same transmitting beam, so that the terminal device can scan its multiple receiving beams to determine the beam One or more receive beams with better quality.
  • the RSs associated with the above-mentioned high-level signaling in the first embodiment are all configured with the same QCL information.
  • the QCL information of the RS associated with the above-mentioned high-level signaling (except the target RS, because the RS associated with the above-mentioned high-level signaling may also include the target RS) in the first embodiment follows the QCL information of the target RS.
  • RS is the RS used for beam measurement report among the above multiple RSs.
  • the RS (except the target RS) associated with high-level signaling is configured with QCL information
  • no matter whether the QCL information of these RSs is the same as the QCL information of the target RS these RSs can ignore the originally configured QCL information, and Follow the QCL information of the target RS; of course, if the RS (except the target RS) associated with the high-level signaling is not configured with QCL information, these RSs can directly follow the QCL information of the target RS.
  • the foregoing multiple RSs are included in an RS list (list) configured by the network device, and the RS list includes the identities of the multiple RSs.
  • the network device may configure one or more RS lists.
  • the network device is configured with multiple RS lists, one RS list is associated with one transmission beam of the network device, and any two RS lists are associated with different transmission beams.
  • the beam measurement report when the terminal device sends a beam measurement report, the beam measurement report includes the identification of the target RS, and the target RS may be in the RS list:
  • the network device Indicated by the network device (for example, the network device is separately marked in the RS list).
  • the target RS included in the beam measurement report may be instructed by the configuration of the network device, may also be independently selected by the terminal device, or may be agreed upon by a protocol.
  • the protocol stipulates that the target RS included in the beam measurement report sent by the terminal device is the first configured in the RS list.
  • the RSs in the RS list are included in the same resource set.
  • the RSs in the RS list can also belong to different resource sets.
  • the multiple RSs are configured with the same QCL information, or one RS of the multiple RSs is configured as QCL information of another one or more RSs.
  • the foregoing multiple RSs are configured with the same QCL information, and when the terminal device sends a beam measurement report, the beam measurement report includes the identifier of the target RS, and the target RS is among the foregoing multiple RSs:
  • the target RS included in the beam measurement report may be instructed by the configuration of the network device, may also be independently selected by the terminal device, or may be agreed upon by a protocol.
  • the foregoing multiple RSs are configured with the same QCL information, and in the case that the terminal device sends the beam measurement report, the beam measurement report includes the identifier of the target RS, and the target RS is the CSI report configuration associated with the multiple RSs ( In CSI-ReportConfig), the report quantity (reportQuantity) is configured as one of the following RS:
  • Channel state information reference signal resource indicator (CSI-RS Resource Indicator, CRI)-RSRP;
  • the target RS included in the beam measurement report may be any one of the multiple RSs that meet the requirements. , Or the one with the largest identification number, or the one with the smallest identification number.
  • the foregoing multiple RSs are configured with the same QCL information, and in the case that the terminal device sends the beam measurement report, the beam measurement report includes the identifier of the target RS, and the target RS:
  • Priority is CSI-RS
  • the terminal device selects the target RS preferentially as SSB; or
  • the network device configuration indicates that the target RS is preferentially SSB.
  • the target RS included in the beam measurement report may be instructed by the configuration of the network device, may also be independently selected by the terminal device, or may be agreed upon by a protocol.
  • the protocol stipulates that the target RS included in the beam measurement report sent by the terminal device is the first configured in the RS list.
  • this "one RS" is the target RS, that is, the target RS among the multiple RSs is configured as the other RS.
  • QCL information of one or more RSs is configured as the QCL information of one or more RSs.
  • a certain high-level signaling is configured to be "on" to trigger the joint detection of the wavenumber quality index of the target beam pair through the multiple RSs in this embodiment.
  • a certain high-level signaling is configured to be "on” to trigger the joint detection of the wavenumber quality index of the target beam pair through multiple RSs in this embodiment.
  • the multiple RSs mentioned above are included in the same resource set.
  • the aforementioned multiple RSs may also belong to different resource sets.
  • the beam measurement report when the terminal device sends a beam measurement report, the beam measurement report includes the identification of the target RS, and the target RS is associated with high-level signaling; or the RS associated with high-level signaling has priority or must Is the target RS (that is, the RS carried in the beam measurement report); wherein, the high-level signaling mentioned in this embodiment includes one of the following:
  • Failed detection resource signaling (failureDetectionResources).
  • BeamFailure Detection Resource List signaling (beamFailureDetectionResourceList);
  • Radio link monitoring configuration signaling (RadioLinkMonitoringConfig);
  • Radio link monitoring reference signal signaling (RadioLinkMonitoringRS).
  • the terminal device may select one RS from the multiple RSs associated with the above-mentioned high-level signaling as the target RS; or, the RS associated with the above-mentioned high-level signaling must or preferentially be the RS carried in the beam measurement report.
  • This embodiment considers different uses of RS.
  • RS types with high timeliness requirements for example, RS used for beam failure detection (BFD), or RS used for radio link monitoring (Radio Link Monitoring),
  • BFD beam failure detection
  • Radio Link Monitoring Radio Link Monitoring
  • the wave number quality index of the target beam pair can be jointly detected by multiple RSs as required by agreement or prioritized.
  • the above-mentioned high-level signaling includes RadioLinkMonitoringRS signaling
  • the destination signaling in the RadioLinkMonitoringRS signaling is configured as one of the following:
  • BeamFailure (beamFailure)
  • Both include (both).
  • RadioLinkMonitoringRS is configured as "beamFailure"/"rlf"/"both".
  • the beam measurement report when the terminal device sends a beam measurement report, the beam measurement report includes the identification of the target RS, and the target RS is associated with high-level signaling; or the RS associated with high-level signaling has priority or must Is the target RS (that is, the RS carried in the beam measurement report); wherein, the high-level signaling mentioned in this embodiment includes one of the following:
  • Candidate beam reference signal list signaling (candidateBeamRSList);
  • Candidate beam resource list signaling (candidateBeamResourceList), where candidateBeamRSList includes a reference signal list (CSI-RS and/or SSB) for indicating restored candidate beams and related random access parameters.
  • candidateBeamResourceList includes a reference signal list (CSI-RS and/or SSB) for indicating restored candidate beams and related random access parameters.
  • CSI-RS and/or SSB reference signal list
  • the terminal device may select one RS from the multiple RSs associated with the above-mentioned high-level signaling as the target RS; or, the RS associated with the above-mentioned high-level signaling must or preferentially be the RS carried in the beam measurement report.
  • This embodiment considers the different uses of RS.
  • RS used for new candidate beam (New Candidate Beam) in beam failure recovery (BFR)
  • BFR beam failure recovery
  • the beam measurement report when the terminal device sends a beam measurement report, the beam measurement report includes the identification of the target RS.
  • the report quantity (reportQuantity) It is configured as one of the following; or in the CSI report configuration associated with the multiple RSs, when the report amount is configured as one of the following, the associated RS must be or preferentially be the target RS (that is, the RS carried in the beam measurement report):
  • the beam quality measurement method according to the embodiment of the present invention is described in detail above with reference to FIG. 1 and FIG. 2.
  • the beam quality measurement method according to another embodiment of the present invention will be described in detail below in conjunction with FIG. 3. It can be understood that the interaction between the network device and the terminal device described from the network device side is the same as the description on the terminal device side in the method shown in FIG. 1, and to avoid repetition, the related description is appropriately omitted.
  • FIG. 3 is a schematic flowchart of another embodiment of the beam quality measurement method of the present invention, which can be applied to the network device side. As shown in FIG. 3, the method 300 includes:
  • S302 Send multiple RSs
  • multiple RSs are used for the terminal device to determine the beam quality index of the target beam pair.
  • the foregoing multiple RSs are sent by the network device through the target transmission beam, and the terminal device may use the target reception beam to receive the multiple RSs.
  • the details are shown in Fig. 2, where Fig. 2 shows that the network device is a Transmission Receive Point (TRP) as an example.
  • TRP Transmission Receive Point
  • the network device sends multiple RSs, and the terminal device can jointly determine the beam quality index of the target beam pair through the multiple RSs.
  • the measurement accuracy of the beam quality can be improved, the time-domain filtering time can be reduced, and the purpose of faster and more accurate beam training can be achieved.
  • the method further includes:
  • the beam measurement report is received, and the beam measurement report includes the beam quality index and the identification of the target RS.
  • the method before sending multiple RSs, the method further includes:
  • high-level signaling includes one of the following:
  • the target RS is among the RSs associated with higher-layer signaling:
  • the RS associated with higher layer signaling is configured with the same QCL information
  • the QCL information of the RS associated with the high-level signaling follows the QCL information of the target RS.
  • the method before sending multiple RSs, the method further includes:
  • the configuration information is used to configure the RS list, and multiple RSs are included in the RS list;
  • the target RS is in the RS list:
  • the RSs in the RS list are included in the same resource set.
  • multiple RSs are configured with the same QCL information
  • the target RS is among multiple RSs:
  • multiple RSs are configured with the same QCL information
  • the target RS is a CSI report configuration associated with multiple RSs, and the report amount is configured as one of the following RSs:
  • multiple RSs are configured with the same QCL information
  • the target RS in the case of receiving a beam measurement report, the target RS:
  • Priority is CSI-RS
  • the target RS is configured as QCL information of another one or more RSs.
  • multiple RSs are included in the same resource set.
  • the target RS is associated with higher layer signaling; or, the RS associated with higher layer signaling includes the target RS;
  • the high-level signaling includes one of the following:
  • the wireless link monitors the reference signal signaling.
  • the high-level signaling includes radio link monitoring reference signal signaling
  • the target signaling in the radio link monitoring reference signal signaling is configured as one of the following:
  • the target RS is associated with higher layer signaling; or the RS associated with higher layer signaling includes the target RS;
  • the high-level signaling includes one of the following:
  • the report amount is configured as one of the following; or in the CSI report configuration associated with multiple RSs, when the report amount is configured as one of the following, the associated RS includes Target RS:
  • multiple RSs are used by the terminal device to calculate the beam quality indicators of the multiple RSs through at least one of the following algorithms to obtain the beam quality indicators of the target beam pair:
  • multiple RSs are used for the terminal device to determine the beam quality index of the target beam pair based on the multiple RSs and all the antenna ports corresponding to the multiple RSs.
  • the beam quality index includes layer one-RSRP; or layer one-SINR.
  • the beam quality measurement method according to the embodiment of the present invention is described in detail above with reference to FIGS. 1 to 3.
  • the terminal device according to the embodiment of the present invention will be described in detail below with reference to FIG. 4.
  • Fig. 4 is a schematic structural diagram of an embodiment of a terminal device of the present invention. As shown in FIG. 4, the terminal device 400 includes:
  • the receiving module 402 can be used to receive multiple RSs
  • the determining module 404 may be used to determine the beam quality index of the target beam pair based on multiple RSs.
  • the terminal device receives multiple RSs, and jointly determines the beam quality index of the target beam pair through the multiple RSs.
  • one RS is used to determine the beam quality index of the target beam pair. It can improve the measurement accuracy of beam quality, reduce the time domain filtering time, and achieve the purpose of faster and more accurate beam training.
  • the terminal device 400 includes a sending module, which can be used for
  • the beam measurement report includes the beam quality index and the identification of the target RS.
  • multiple RSs are configured through high-layer signaling, and the high-layer signaling includes one of the following:
  • the target RS is among the RSs associated with higher-layer signaling:
  • the RS associated with higher layer signaling is configured with the same QCL information
  • the QCL information of the RS associated with the high-level signaling follows the QCL information of the target RS.
  • multiple RSs are included in the RS list configured by the network device;
  • the target RS is in the RS list:
  • the RSs in the RS list are included in the same resource set.
  • multiple RSs are configured with the same QCL information
  • the target RS is among multiple RSs:
  • multiple RSs are configured with the same QCL information
  • the target RS is a CSI report configuration associated with multiple RSs, and the report amount is configured as one of the following RSs:
  • multiple RSs are configured with the same QCL information
  • the target RS in the case that the sending module sends the beam measurement report, the target RS:
  • Priority is CSI-RS
  • the target RS is configured as QCL information of another one or more RSs.
  • multiple RSs are included in the same resource set.
  • the target RS is associated with higher layer signaling; or, the RS associated with higher layer signaling includes the target RS;
  • the high-level signaling includes one of the following:
  • the wireless link monitors the reference signal signaling.
  • the high-level signaling includes radio link monitoring reference signal signaling
  • the target signaling in the radio link monitoring reference signal signaling is configured as one of the following:
  • the target RS is associated with higher layer signaling; or the RS associated with higher layer signaling includes the target RS;
  • the high-level signaling includes one of the following:
  • the report amount is configured as one of the following; or in the CSI report configuration associated with multiple RSs, when the report amount is configured as one of the following, the associated RS includes Target RS:
  • the determining module 404 may be specifically configured to calculate the beam quality indicators of multiple RSs through at least one of the following algorithms to obtain the beam quality indicators of the target beam pair:
  • the determining module 404 may be specifically configured to determine the beam quality index of the target beam pair based on multiple RSs and all antenna ports corresponding to the multiple RSs.
  • the beam quality index includes layer one-RSRP; or layer one-SINR.
  • the terminal device 400 can refer to the process of the method 100 corresponding to the embodiment of the present invention, and each unit/module in the terminal device 400 and other operations and/or functions mentioned above are used to implement the corresponding methods in the method 100.
  • Fig. 5 is a schematic structural diagram of an embodiment of a network device of the present invention. As shown in Fig. 5, the network device 500 includes:
  • the sending module 502 can be used to send multiple RSs
  • multiple RSs are used for the terminal device to determine the beam quality index of the target beam pair.
  • the network device sends multiple RSs, and the terminal device can jointly determine the beam quality index of the target beam pair through the multiple RSs.
  • the measurement accuracy of the beam quality can be improved, the time-domain filtering time can be reduced, and the purpose of faster and more accurate beam training can be achieved.
  • the network device 500 further includes a receiving module, which may be used for:
  • the beam measurement report is received, and the beam measurement report includes the beam quality index and the identification of the target RS.
  • the sending module 502 may also be used for:
  • high-level signaling includes one of the following:
  • the target RS is among the RSs associated with higher-layer signaling:
  • the RS associated with higher layer signaling is configured with the same QCL information
  • the QCL information of the RS associated with the high-level signaling follows the QCL information of the target RS.
  • the sending module 502 may also be used for:
  • the configuration information is used to configure the RS list, and multiple RSs are included in the RS list;
  • the target RS is in the RS list:
  • the RSs in the RS list are included in the same resource set.
  • multiple RSs are configured with the same QCL information
  • the target RS is among multiple RSs:
  • multiple RSs are configured with the same QCL information
  • the target RS is a CSI report configuration associated with multiple RSs, and the report amount is configured as one of the following RSs:
  • multiple RSs are configured with the same QCL information
  • the target RS when the receiving module receives the beam measurement report, the target RS:
  • Priority is CSI-RS
  • the target RS is configured as QCL information of another one or more RSs.
  • multiple RSs are included in the same resource set.
  • the target RS is associated with higher layer signaling; or, the RS associated with higher layer signaling includes the target RS;
  • the high-level signaling includes one of the following:
  • the wireless link monitors the reference signal signaling.
  • the high-level signaling includes radio link monitoring reference signal signaling
  • the target signaling in the radio link monitoring reference signal signaling is configured as one of the following:
  • the target RS is associated with higher layer signaling; or the RS associated with higher layer signaling includes the target RS;
  • the high-level signaling includes one of the following:
  • the report amount is configured as one of the following; or in the CSI report configuration associated with multiple RSs, when the report amount is configured as one of the following, the associated RS includes Target RS:
  • multiple RSs are used by the terminal device to calculate the beam quality indicators of the multiple RSs through at least one of the following algorithms to obtain the beam quality indicators of the target beam pair:
  • multiple RSs are used for the terminal device to determine the beam quality index of the target beam pair based on the multiple RSs and all the antenna ports corresponding to the multiple RSs.
  • the beam quality index includes layer one-RSRP; or layer one-SINR.
  • the network device 500 can refer to the process of the method 300 corresponding to the embodiment of the present invention, and each unit/module in the network device 500 and the other operations and/or functions mentioned above are used to implement the corresponding methods in the method 300.
  • Fig. 6 is a schematic structural diagram of another embodiment of a terminal device of the present invention.
  • the terminal device 600 shown in FIG. 6 includes: at least one processor 601, a memory 602, at least one network interface 604, and a user interface 603.
  • the various components in the terminal device 600 are coupled together through the bus system 605.
  • the bus system 605 is used to implement connection and communication between these components.
  • the bus system 605 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 605 in FIG. 6.
  • the user interface 603 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.
  • the memory 602 in the embodiment of the present invention 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
  • Synchronous DRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • SLDRAM Direct Rambus RAM
  • the memory 602 of the system and method described in the embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 602 stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: an operating system 6021 and an application 6022.
  • the operating system 6021 includes various system programs, such as a framework layer, a core library layer, and a driver layer, which are used to implement various basic services and process hardware-based tasks.
  • the application program 6022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services.
  • the program for implementing the method of the embodiment of the present invention may be included in the application program 6022.
  • the terminal device 600 further includes: a computer program stored in the memory 602 and capable of running on the processor 601, and the computer program is executed by the processor 601 to implement the steps of the method embodiment 100 as follows.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 601 or implemented by the processor 601.
  • the processor 601 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 601 or instructions in the form of software.
  • the aforementioned processor 601 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed.
  • 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 invention 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 computer-readable storage medium known in the art such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers, etc.
  • the computer-readable storage medium is located in the memory 602, and the processor 601 reads information in the memory 602, 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 601, each step of the above method embodiment 100 is implemented.
  • the embodiments described in the embodiments of the present invention 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 processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic devices (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 application 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 invention can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present invention.
  • 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 600 can implement each process implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described herein again.
  • FIG. 7 is a schematic structural diagram of another embodiment of a network device of the present invention, which can implement the details of the method embodiment 300 and achieve the same effect.
  • the network device 700 includes: a processor 701, a transceiver 702, a memory 703, and a bus interface, where:
  • the network device 700 further includes: a computer program stored in the memory 703 and capable of running on the processor 701. The computer program is executed by the processor 701 to implement the steps of the method embodiment 300.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 701 and various circuits of the memory represented by the memory 703 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 702 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 can store data used by the processor 701 when performing operations.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored.
  • a computer program When the computer program is executed by a processor, it implements any one of the method embodiment 100 and the method embodiment 300 described above. Each process can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
  • examples of computer-readable storage media include non-transitory computer-readable storage media, such as read-only memory (Read-Only Memory, ROM for short), Random Access Memory (RAM for short), magnetic disks or optical disks Wait.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Sont divulgués dans des modes de réalisation de la présente invention, un procédé de mesure de qualité de faisceau, et un appareil susceptible d'améliorer la précision des mesures de qualité de faisceau. Le procédé est exécutable par un appareil terminal, et consiste : à recevoir de multiples signaux de référence (RS) ; et à déterminer un indice de qualité de faisceau d'une paire de faisceaux cibles sur la base des multiples RS.
PCT/CN2020/132886 2019-12-04 2020-11-30 Procédé de mesure de qualité de faisceau, et appareil WO2021109974A1 (fr)

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CN201911229285.5A CN112910526B (zh) 2019-12-04 2019-12-04 波束质量测量方法和设备

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