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WO2025145422A1 - Systèmes et procédés pour configuration de ressource adaptative - Google Patents

Systèmes et procédés pour configuration de ressource adaptative Download PDF

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Publication number
WO2025145422A1
WO2025145422A1 PCT/CN2024/070767 CN2024070767W WO2025145422A1 WO 2025145422 A1 WO2025145422 A1 WO 2025145422A1 CN 2024070767 W CN2024070767 W CN 2024070767W WO 2025145422 A1 WO2025145422 A1 WO 2025145422A1
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WO
WIPO (PCT)
Prior art keywords
sensing
wireless communication
measurement
communication method
resource
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/070767
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English (en)
Inventor
Qi Yang
Chuangxin JIANG
Yu Pan
Mengzhen LI
Junpeng LOU
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ZTE Corp
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ZTE Corp
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Publication date
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Priority to PCT/CN2024/070767 priority Critical patent/WO2025145422A1/fr
Publication of WO2025145422A1 publication Critical patent/WO2025145422A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • H04B7/0696—Determining beam pairs
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection

Definitions

  • RIS is another important topic, which provides a way to control the surfaces found in radio channels by directing them in a specific direction to improve the reliability and energy efficiency of wireless systems.
  • a wireless communication device may identify multiple sensing resources configured or preconfigured for different sensing stages based on respective sensing services.
  • the wireless communication device can be configured as a receiver node.
  • the multiple sensing resources may include multiple sensing RS resource configurations.
  • the multiple sensing resources may include multiple configurations of a sensing RS.
  • the sensing RS resource configurations may include at least one of: a sensing RS resource index, a bandwidth of a sensing RS resource, a period of a sensing RS resource, or a repetition factor in a period of a sensing RS resource.
  • the sensing RS resource configurations can be recommended by a network node to a transmitter node.
  • the sensing RS resource configurations can be configured or preconfigured by a transmitter node and sent by the transmitter node to a network node.
  • the sensing RS resource configurations can be provided by the network node to the wireless communication device.
  • a new sensing RS resource associated with a new sensing stage can be requested by the wireless communication device to the network node, if the new sensing stage is satisfied.
  • the new sensing RS resource associated with the new sensing stage can be requested by the network node to the transmitter node.
  • Successful transmission of the new sensing RS resource associated with the new sensing stage can be responded by the transmitter node to the network node.
  • An indicator or an (pre) configured sensing RS resource index can be sent by the receiver node to the transmitter node via UCI/MAC CE to trigger the transmission of the corresponding sensing RS resource associated with a new sensing stage.
  • An indicator or the sensing RS resource index indicating the transmission of the corresponding sensing RS resource can be sent by the transmitter node to the wireless communication device.
  • the sensing RS resource configurations may further include a duration time related information of each sensing RS resource.
  • the duration time related information of each sensing RS resource may include at least one of: a start time of the sensing RS resource or a duration length of the sensing RS resource.
  • a wireless communication device may send an uplink (UL) sensing measurement report per path.
  • the wireless communication device can be configured as a transmitter node.
  • the UL sensing measurement report for one arrival path may include at least one of: one TOA; multiple AOAs; one or multiple RSRPPs; multiple Doppler measurements; or multiple phase related measurements.
  • the UL sensing measurement report for one arrival path of one same UL sensing RS can be a measurement pair of any two of: one TOA; M AOAs; one or M RSRPPs; N Doppler measurements; and N phase related measurements.
  • the M AOAs and the N Doppler measurements may have corresponding relationships, respectively.
  • the M AOAs, the N Doppler measurements and the N phase related measurements may have one-to-one corresponding relationships, respectively, if M is equal to N.
  • Each of the AOAs, each of the Doppler measurements, and each of the phase related measurements may correspond to each arrival angle of the arrival path of one same UL sensing RS. If a number of the RSRPPs is 1, the RSRPP can be a single power of the arrival path in all arrival angles.
  • RSRPP can be the single power of the arrival path in all arrival angles. If RSRPP values in multiple measurement pairs is different, RSRPP and AOA in the same measurement pair can be corresponding to the same arrival angle of the arrival path of one same UL sensing RS.
  • UL sensing measurement report for one arrival path of one same UL sensing RS can be multiple measurement pair ⁇ One TOA, One RSRPP, additional measurement ⁇ . Additional measurement may at least include one of: M AOA, N Doppler measurements, and/or N phase related measurements.
  • UL sensing measurement report for one arrival path of one same UL sensing RS can be multiple measurement pair ⁇ One TOA, additional measurement ⁇ .
  • Additional measurement may at least include one of: M AOA, M RSRPP, N Doppler measurements, and/or N phase related measurements.
  • the UL sensing measurement report can be per Doppler.
  • a request for predicted location information of a sensing target in a configured future sensing time stamp may be sent by a first network node to a receiver node.
  • a location estimation of the sensing target for a current sensing time stamp and the location prediction of the sensing target for a next sensing time stamp can be reported by a receiver node to the network node.
  • the predicted location request can be include the requested predicted sensing time stamp.
  • the location estimation report can include the estimated sensing time stamp.
  • the location prediction report can include the predicted sensing time stamp.
  • An estimation of a channel state for the current time stamp and the prediction of the channel state for the next time stamp can be reported by the receiver node to a second network node.
  • a bitmap indicating which SSBs can be used for sensing can be configured by a second network node to a receiver node in an SSB configuration for mobility.
  • a first network node may request a second network node with SSB measurements measured from specific SSBs for a sensing purpose in a Request Location Information message.
  • a first network node may request a receiver node with SSB measurements measured from specific SSBs for a sensing purpose in a Request Location Information message.
  • the Request Location Information message can include a bitmap indicating which SSBs’ measurements are requested for sensing.
  • a receiver node may report specific SSB measurements requested in a Request Location Information message to a first network node in a Provide Location Information message.
  • FIG. 1 illustrates an example cellular communication network in which techniques disclosed herein may be implemented, in accordance with an embodiment of the present disclosure
  • FIG. 2 illustrates a block diagram of an example base station and a user equipment device, in accordance with some embodiments of the present disclosure
  • FIG. 3 illustrates a sequence diagram illustrating determination and configuration of best pair (s) of Tx beam and Rx beam, in accordance with some embodiments of the present disclosure
  • FIG. 4 illustrates a sequence diagram illustrating determination and configuration of best pair (s) of Tx beam and Rx beam, in accordance with some embodiments of the present disclosure
  • FIG. 5 illustrates a sequence diagram illustrating determination and configuration of best pair (s) of Tx beam and Rx beam, in accordance with some embodiments of the present disclosure
  • FIG. 6 illustrates a sequence diagram illustrating determination and configuration of best pair (s) of Tx beam and Rx beam, in accordance with some embodiments of the present disclosure.
  • FIG. 7 illustrates a flow diagram of an example method for adaptive resource configuration, in accordance with an embodiment of the present disclosure.
  • FIG. 1 illustrates an example wireless communication network, and/or system, 100 in which techniques disclosed herein may be implemented, in accordance with an embodiment of the present disclosure.
  • the wireless communication network 100 may be any wireless network, such as a cellular network or a narrowband Internet of things (NB-IoT) network, and is herein referred to as “network 100.
  • NB-IoT narrowband Internet of things
  • the BS 102 may operate at an allocated channel transmission bandwidth to provide adequate coverage to the UE 104.
  • the BS 102 and the UE 104 may communicate via a downlink radio frame 118, and an uplink radio frame 124 respectively.
  • Each radio frame 118/124 may be further divided into sub-frames 120/127 which may include data symbols 122/128.
  • the BS 102 and UE 104 are described herein as non-limiting examples of “communication nodes, ” generally, which can practice the methods disclosed herein. Such communication nodes may be capable of wireless and/or wired communications, in accordance with various embodiments of the present solution.
  • FIG. 2 illustrates a block diagram of an example wireless communication system 200 for transmitting and receiving wireless communication signals (e.g., OFDM/OFDMA signals) in accordance with some embodiments of the present solution.
  • the system 200 may include components and elements configured to support known or conventional operating features that need not be described in detail herein.
  • system 200 can be used to communicate (e.g., transmit and receive) data symbols in a wireless communication environment such as the wireless communication environment 100 of FIG. 1, as described above.
  • the System 200 generally includes a base station 202 (hereinafter “BS 202” ) and a user equipment device 204 (hereinafter “UE 204” ) .
  • the BS 202 includes a BS (base station) transceiver module 210, a BS antenna 212, a BS processor module 214, a BS memory module 216, and a network communication module 218, each module being coupled and interconnected with one another as necessary via a data communication bus 220.
  • the UE 204 includes a UE (user equipment) transceiver module 230, a UE antenna 232, a UE memory module 234, and a UE processor module 236, each module being coupled and interconnected with one another as necessary via a data communication bus 240.
  • the BS 202 communicates with the UE 204 via a communication channel 250, which can be any wireless channel or other medium suitable for transmission of data as described herein.
  • system 200 may further include any number of modules other than the modules shown in FIG. 2.
  • modules other than the modules shown in FIG. 2.
  • the various illustrative blocks, modules, circuits, and processing logic described in connection with the embodiments disclosed herein may be implemented in hardware, computer-readable software, firmware, or any practical combination thereof.
  • various illustrative components, blocks, modules, circuits, and steps are described generally in terms of their functionality. Whether such functionality is implemented as hardware, firmware, or software can depend upon the particular application and design constraints imposed on the overall system. Those familiar with the concepts described herein may implement such functionality in a suitable manner for each particular application, but such implementation decisions should not be interpreted as limiting the scope of the present disclosure.
  • the UE transceiver 230 may be referred to herein as an "uplink" transceiver 230 that includes a radio frequency (RF) transmitter and a RF receiver each comprising circuitry that is coupled to the antenna 232.
  • a duplex switch (not shown) may alternatively couple the uplink transmitter or receiver to the uplink antenna in time duplex fashion.
  • the BS transceiver 210 may be referred to herein as a "downlink" transceiver 210 that includes a RF transmitter and a RF receiver each comprising circuity that is coupled to the antenna 212.
  • a downlink duplex switch may alternatively couple the downlink transmitter or receiver to the downlink antenna 212 in time duplex fashion.
  • the receiver UE may measure sensing RS to obtain beam level measurements based on multiple receiving beam.
  • the receiver UE may report multiple beam level measurements (e.g., Layer 1 measurements) to the network.
  • Each beam level measurement related information includes at least one or more of the following:
  • the receiving beam related information may at least include one or more of: the receiving beam index, and/or the spatial direction of the receiving beam.
  • the multiple reported beam level measurements can be determined based on some rules.
  • the rule can be one or more of the following:
  • the beam level measurements can be sorted and the N best beam level measurements can be reported to the network.
  • the maximum number N of reported beam level measurements can be configured by SF/LMF, by a BS, preconfigured, or determined by the receiver UE.
  • One or more of threshold (s) /range (s) can be configured to justify which beam level measurement can be reported.
  • ⁇ Threshold can be: RSRP threshold, RSRQ threshold, SINR threshold, TOA threshold, AOA threshold, Doppler threshold, distance threshold, and/or phase threshold.
  • ⁇ Range can be: RSRP range, RSRQ range, SINR range, TOA range, AOA range, Doppler range, distance range, and/or phase range.
  • One threshold or one range can be configured, and beam level measurements satisfying the threshold/range can be reported to the network.
  • the combination of one or more threshold (s) and range (s) can be configured, and beam level measurements satisfying all the configured threshold (s) and range (s) can be reported to the network.
  • Threshold (s) and range (s) can be configured by SF/LMF, by a BS, preconfigured, or determined by the receiver UE.
  • the beam level measurements can be reported to SF/LMF, or can be reported to the serving BS of the receiver UE.
  • the serving BS may determine one or multiple best pair of the transmission beam and the receiving beam for sensing purpose based on the received beam level measurements, where the RS is transmitted by the transmitter BS and reflected through the sensing target and received by the receiver UE. That is, one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose describes one or multiple best transmission beam (s) and one or multiple best receiving beams for the link from the transmitter BS to the sensing target to the receiver UE. In addition, the serving BS may determine one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose based on the received beam level measurements, where the RS is transmitted by the transmitter BS and directly received by the receiver UE.
  • one or multiple best pairs of the transmission beam and the receiving beam for communication purpose describes one or multiple best transmission beams and one or multiple best receiving beams for the link between the transmitter BS and the receiver UE.
  • the serving BS can determine the pairs of the transmission beams and the receiving beams corresponding to the blocks or environment targets.
  • the transmission beam related information may at least include one or more of: the transmission beam index, the spatial direction of the transmission beam, and/or the transmission power of the transmission beam.
  • the transmission beam of the serving BS for the next communication purpose between it and the same UE can use the determined best transmission beam (s) based on the beam level measurements. Also, the transmission beam of the serving BS for the next same sensing link can use the determined best transmission beam (s) based on the beam level measurements.
  • the serving BS can recommend the best transmission beams related information for sensing purpose and communication purpose to the transmitter BS via Xn interface.
  • the recommended transmission beams related information for the transmitter BS for sensing purpose and communication purpose can be the determined best transmission beams for sensing purpose and communication purpose based on the beam level measurements.
  • the transmission beams related information corresponding to the blocks and environment targets can be recommended to the transmitter BS via Xn interface.
  • the serving BS can report the best transmission beams related information of the transmitter BS for sensing purpose and communication purpose to SF/LMF. Then, SF/LMF may recommend the best transmission beams related information for sensing purpose and communication purpose to the transmitter BS.
  • the transmission beams related information corresponding to the blocks and environment targets can be recommended by the serving BS to SF/LMF, then SF/LMF can recommend the transmission beams related information corresponding to the blocks and environment targets to the transmitter BS.
  • the serving BS may configure the best receiving beams related information for sensing purpose and communication purpose to the receiver UE as the receiving beams for sensing and communication via RRC/MAC/PDCCH/PDSCH.
  • the serving BS may configure the best pairs of the transmission beam and the receiving beam for sensing purpose and for communication purpose to the receiver UE via RRC/MAC/PDCCH/PDSCH.
  • the serving BS reports the best receiving beams related information for sensing purpose and communication purpose to SF/LMF.
  • SF/LMF can provide the best receiving beams related information for sensing purpose and communication purpose to the receiver UE in Assistance Data message or in Measurement/Location Request message.
  • FIG. 3 and FIG. 4 show examples on the procedure of determination and configuration of the best pair (s) of Tx beam and Rx beam.
  • the SF/LMF may determine one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose based on the received beam level measurements, where the RS is transmitted by the transmitter BS and reflected through the sensing target and received by the receiver UE. That is, one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose describes one or multiple best transmission beam (s) and one or multiple best receiving beam (s) for the link from the transmitter BS to the sensing target to the receiver UE.
  • SF/LMF determines one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose based on the received beam level measurements, where the RS is transmitted by the transmitter BS and directly received by the receiver UE. That is, one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose describes one or multiple best transmission beam (s) and one or multiple best receiving beam (s) for the link between the transmitter BS and the receiver UE. Also, SF/LMF can determine the pairs of the transmission beams and the receiving beams corresponding to the blocks or environment targets.
  • the SF/LMF may recommend the best transmission beams related information for sensing purpose and communication purpose to the transmitter BS. Also, SF/LMF may recommend the transmission beams related information corresponding to the blocks and environment targets to the transmitter BS.
  • the SF/LMF may provide the best receiving beams related information for sensing purpose and communication purpose to the receiver UE in Assistance Data message or in Measurement/Location Request message.
  • the SF/LMF may provide the best pairs of the transmission beam and the receiving beam for sensing purpose and for communication purpose to the receiver UE in Assistance Data message or in Measurement/Location Request message.
  • FIG. 5 shows an example on the procedure of determination and configuration of the best pair (s) of Tx beam and Rx beam.
  • one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose describes one or multiple best transmission beam (s) and the best receiving beam (s) for the link between the transmitter BS and the receiver UE.
  • the receiver UE can determine the pairs of the transmission beams and the receiving beams corresponding to the blocks or environment targets.
  • the receiver UE can report the best transmission beams related information for sensing purpose and communication purpose to the serving BS via PUCCH/PUSCH/MAC. Also, the receiver UE may report the transmission beams related information corresponding to the blocks and environment targets to the serving BS.
  • the serving BS can transmit the best transmission beams related information for sensing purpose and communication purpose to the transmitter BS. Also, the serving BS may transmit the transmission beams related information corresponding to the blocks and environment targets to the transmitter BS.
  • the receiver UE may report the best transmission beams related information for sensing purpose and communication purpose to the SF/LMF. Then, the SF/LMF may send the best transmission beams related information for sensing purpose and communication purpose to the transmitter BS. Also, the receiver UE may report the transmission beams related information corresponding to the blocks and environment targets to SF/LMF, and SF/LMF may send the transmission beams related information corresponding to the blocks and environment targets to the transmitter BS. In some embodiments, the receiver UE may report the best pairs of the transmission beam and the receiving beam for sensing purpose and for communication purpose to SF/LMF, and the SF/LMF may send the best pairs of the transmission beam and the receiving beam for sensing purpose and for communication purpose to the transmitter BS.
  • FIG. 6 shows an example on the procedure of determination and configuration of the best pair (s) of Tx beam and Rx beam.
  • the receiver BS may measure sensing RS to obtain beam level measurements based on multiple receiving beam.
  • the receiver BS may determine one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose based on the beam level measurements, where the RS is transmitted by the transmitter UE and reflected through the sensing target and received by the receiver BS. That is, one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose describes one or multiple best transmission beam (s) and one or multiple best receiving beam (s) for the link from the transmitter UE to the sensing target to the receiver BS. In addition, the receiver BS determines one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose based on the beam level measurements, where the RS is transmitted by the transmitter UE and directly received by the receiver BS.
  • one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose describes one or multiple best transmission beam (s) and the best receiving beam (s) for the link between the transmitter UE and the receiver BS.
  • the receiver BS can determine the pairs of the transmission beams and the receiving beams corresponding to the blocks or environment targets.
  • the receiver BS may report the best transmission beams related information for sensing purpose and for communication purpose to SF/LMF. Then, the SF/LMF recommend the best transmission beams related information of the transmitter UE for sensing purpose and for communication purpose to the serving BS and configures the best transmission beams related information to the transmitter UE for sensing purpose and for communication purpose. Alternatively, the SF/LMF may recommend the best transmission beams related information of the transmitter UE for sensing purpose and for communication purpose to the serving BS, and the serving BS may configure the best transmission beams related information to the transmitter UE for sensing purpose and for communication purpose to the transmitter UE.
  • the receiver BS may report the best pairs of the transmission beam and the receiving beam for sensing purpose and for communication purpose to the SF/LMF.
  • the receiver BS may transmit the best transmission beams related information for sensing purpose and for communication purpose to the serving BS via Xn interface.
  • the serving BS may configure the best transmission beams related information for sensing purpose and for communication purpose to the transmitter UE via a RRC/MAC/PDCCH/PDSCH.
  • the receiver BS may transmit the best pairs of the transmission beam and the receiving beam for sensing purpose and for communication purpose to the serving BS.
  • the receiving BS may report the beam level measurements to the SF/LMF.
  • the SF/LMF may determine one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose based on the beam level measurements, where the RS is transmitted by the transmitter UE and reflected through the sensing target and received by the receiver BS. That is, one or multiple best pair (s) of the transmission beam and the receiving beam for sensing purpose describes one or multiple best transmission beam (s) and one or multiple best receiving beam (s) for the link from the transmitter UE to the sensing target to the receiver BS.
  • the SF/LMF may determine one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose based on the beam level measurements, where the RS is transmitted by the transmitter UE and directly received by the receiver BS. That is, one or multiple best pair (s) of the transmission beam and the receiving beam for communication purpose describes one or multiple best transmission beam (s) and the best receiving beam (s) for the link between the transmitter UE and the receiver BS. Also, the SF/LMF may determine the pairs of the transmission beams and the receiving beams corresponding to the blocks or environment targets.
  • the sensing measurement threshold can be: a TOA threshold, a AOA threshold, a detection time threshold, a distance threshold, a Doppler threshold, and/or a phase threshold.
  • the sensing measurement threshold/range can be configured by the SF/LMF, or by the serving BS via RRC/MAC CE/DCI, or preconfigured, or determined by the receiver UE.
  • the duration time the receiver UE does not measure sensing RS is configured by the SF/LMF, or by the serving BS via RRC/MAC CE/DCI, or preconfigured, or determined by the receiver UE.
  • Solution 3 Configure multiple sensing measurement ranges/thresholds associated with measuring granularity.
  • the receiver UE may measure SSB/CSI-RS transmitted by multiple BSs to obtain RRM measurements. Configure multiple RRM measurement ranges/thresholds. Each RRM measurement range/threshold can be associated with a sensing measuring granularity. The sensing measuring granularity can be represented by the sensing measuring period. If RRM measurement of one BS belongs to one RRM measurement range or satisfies one RRM measurement threshold, the receiver UE can measure the sensing RS transmitted by this BS using the sensing measuring period associated with this RRM measurement range/threshold.
  • the mapping relationship between the RRM measurement range/threshold and the sensing measuring granularity can be configured by SF/LMF, by the serving BS via a RRC/MAC CE/DCI, preconfigured, or determined by the receiver UE.
  • RRM measurement e.g., RSRP/RSRQ/SINR
  • the receiver UE can measure the sensing RS transmitted by this BS in a dense sensing measuring period associated with the RRM measurement threshold/range.
  • RRM measurement e.g., RSRP/RSRQ/SINR
  • the receiver UE can measure the sensing RS transmitter by this BS in a sparse sensing measuring period.
  • the beam level RRM measurement can be the beam level RRM measurement which is measured by the receiving beam configured in the Assistance Data message or the Location/Measurement Request message.
  • Multiple sensing resources can be configured based on the sensing service.
  • the event for justifying whether the sensing stage is changed can be configured by the SF/LMF, or by the BS, or preconfigured, or determined by the receiver UE.
  • the BS may configure the duration time related information of each sensing RS resource to the receiver UE.
  • the duration time related information of each sensing RS resource can be included in the configurations of the sensing RS resource.
  • the BS may determine when a (pre) configured sensing RS resource can be transmitted. If a (pre) configured sensing RS resource is transmitted in order to accommodate the changed sensing stage, the BS can send an indicator or the index of the successfully transmitted sensing RS resource associated with the new sensing stage to the receiver UE.
  • Multiple sensing resources can be multiple configurations of the sensing RS.
  • Multiple configurations of the sensing RS can be recommended/provided by the SF/LMF to the BS based on the sensing service.
  • multiple configurations of the sensing RS can be (pre) configured by BS.
  • the BS may send multiple configurations of the sensing RS to the SF/LMF, and the SF/LMF may provide multiple configurations of the sensing RS to UE in Assistance Data message and/or Location/Measurement Request message.
  • the serving BS can (pre) configure the multiple configurations of the sensing RS to UE via a RRC/MAC/PDCCH/PDSCH. If the transmitter BS is not the serving BS, the transmitter BS can send multiple configurations of the sensing RS to the serving BS, and the serving BS may provide the multiple configurations of the sensing RS of the transmitter BS to the UE via a RRC/MAC/PDCCH/PDSCH.
  • the receiver UE may determine whether the condition (s) to enter another sensing stage is satisfied based on sensing measurement. If the condition (s) to enter another sensing stage is satisfied, the receiver UE may send an indicator or an (pre) configured configuration index of the sensing RS to the BS via UCI/MAC CE to activate/trigger the update of the configuration of the sensing RS associated with the next sensing stage. If the configuration of the sensing RS associated with the new sensing stage is updated successfully, the BS may send an indicator or the configuration index of the sensing RS to the receiver UE to indicate the successful update of the corresponding configuration of the sensing RS.
  • the condition (s) to enter a new sensing stage can be: sensing measurements satisfy configured events, and/or sensing measurements satisfy configured threshold/range.
  • the receiver UE may determine whether the condition (s) to enter another sensing stage is satisfied based on sensing measurement. If the condition (s) to enter another sensing stage is satisfied, the receiver UE may send the request for the configuration update of the sensing RS associated with the next sensing stage to the SF/LMF. Then, the SF/LMF may send the request for the configuration update of the sensing RS associated with the next sensing stage to the BS. Then, the BS may provide the response for the successful configuration update of the sensing RS associated with the new sensing stage to the SF/LMF. And the SF/LMF may provide the response for the successful configuration update of the sensing RS associated with the next sensing stage to the receiver UE in Assistance Data message or Location/Measurement Request message.
  • the request for the configuration update of the sensing RS associated with the new sensing stage may at least include one of: an indicator to trigger the configuration update of the sensing RS associated with the new sensing stage, and/or the (pre) configured configuration index of the sensing RS associated with the new sensing stage.
  • the receiver UE may report the sensing measurements to the SF/LMF.
  • the SF/LMF may determine whether the condition (s) to enter another sensing stage is satisfied based on sensing measurement. If the condition (s) to enter another sensing stage is satisfied, the SF/LMF may send the request for the configuration update of the sensing RS associated with the next sensing stage to the BS. Then, the BS may provide the response for the successful configuration update of the sensing RS associated with the new sensing stage to the SF/LMF. And the SF/LMF may provide the response for the successful configuration update of the sensing RS associated with the next sensing stage to the receiver UE in Assistance Data message or Location/Measurement Request message.
  • the duration time related information can be included.
  • the receiver UE can have different measuring behavior in different sensing stage. For example, in target tracking scenario, the receiver UE can measure the sensing RS in a sparse measuring period in target detection stage. After the receiver UE detects one or more sensing target (s) , the receiver UE can measure the sensing RS in a dense measuring period in a target tracking stage.
  • target tracking scenario the receiver UE can measure the sensing RS in a sparse measuring period in target detection stage. After the receiver UE detects one or more sensing target (s) , the receiver UE can measure the sensing RS in a dense measuring period in a target tracking stage.
  • the BS can configure multiple measuring periods associated with different sensing stages to the receiver UE via a RRC/MAC/PDCCH/PDSCH. Also, the BS may configure events/thresholds/ranges used to justify whether the sensing stage is changed to the receiver UE via a RRC/MAC/PDCCH/PDSCH. If the receiver UE determines the sensing stage is changed, the receiver UE can use the configured measuring period associated with the sensing stage to measure the sensing RS.
  • the update of the sensing resource or the sensing stage can be indicated by BS to the receiver UE via a DCI/MAC CE.
  • the receiver UE may adjust its sensing measuring configuration based on the new sensing resource or the new sensing stage.
  • the update of the sensing resource or the sensing stage can be indicated by SF/LMF to the receive UE via Assistance Data message or Location/Measurement Request message.
  • the measurement pair ⁇ one TOA, M AOA, one RSRPP, N Doppler shift, and/or N phase related measurement ⁇ can be reported for one arrival path of one same UL sensing RS.
  • M AOA and N Doppler shift have corresponding relationship.
  • M AOA and N phase related measurement have corresponding relationship.
  • N Doppler shift and N phase related measurement have one-to-one corresponding relationship.
  • ⁇ TOA values in multiple measurement pairs ⁇ one TOA, one AOA, one RSRPP, one Doppler shift, and/or one phase related measurement ⁇ for multiple arrival angles of the same arrival path can be same.
  • RSRPP values in multiple measurement pairs ⁇ one TOA, one AOA, one RSRPP, one Doppler shift, and/or one phase related measurement ⁇ for multiple arrival angles of the same arrival path shall be same. That means, RSRPP can be the single power of the arrival path in all arrival angles.
  • M AOA and N Doppler shift may have corresponding relationship.
  • M AOA and N phase related measurement may have corresponding relationship.
  • N Doppler shift and N phase related measurement may have one-to-one corresponding relationship.
  • ⁇ TOA values in multiple measurement pairs ⁇ one TOA, one AOA, one RSRPP, one Doppler shift, and/or one phase related measurement ⁇ for multiple arrival angles of the same arrival path can be same.
  • the measurement pair ⁇ One TOA, additional measurement ⁇ can be reported for one arrival path of one same UL sensing RS.
  • the additional measurement may include M AOA, M RSRPP, N Doppler shift, and/or N phase related measurement.
  • ⁇ M can equal N. In some embodiments, M can not equal N. If M equals N, M AOA and M RSRP and N Doppler shift and N phase related measurement may have one-to-one corresponding relationship. That means, each Doppler shift and each phase related measurement can be corresponding to each AOA. That means, each AOA, each RSRPP, each Doppler shift and each phase related measurement can be corresponding to each arrival angle of the arrival path of one same UL sensing RS.
  • the SF/LMF may determine the motion state of the sensing target, and may provide the parameters of the motion state of the sensing target to the receiver node in Assistance Data message.
  • the receiver node may report the sensing measurement to the SF/LMF.
  • the SF/LMF may estimate the location information of the sensing target based on sensing measurements of multiple sensing time stamps, and may predict the location information of the sensing target for the next sensing time stamp. Then, SF/LMF can recommend/configure sensing resources and sensing configurations to the transmitter node and the receiver node for next sensing time stamp.
  • the recommended/configured sensing configurations may at least include one or more of: the location information of the sensing target, the sensing zone, the receiving beam related information.
  • the SF/LMF may estimate the channel state and the parameters of the environment targets based on sensing measurements of multiple sensing time stamps, and may predict the channel state and the parameters of the environment targets for the next sensing time stamp and the next communication time stamp. Then, the SF/LMF can send the channel state related parameters and environment targets related parameters for the next communication time stamp to the transmitter node and the receiver node, so as to assist communication in the next communication time stamp.
  • the receiver node may estimate the location information of the sensing target based on sensing measurements of multiple sensing time stamps, and may predict the location information of the sensing target for the next sensing time stamp. Then, the receiver node may report the location information of the sensing target for the current sensing time stamp and the location information of the sensing target for the next sensing time stamp to the SF/LMF. Meanwhile, in the estimated location information report of the sensing target for the current sensing time stamp, the estimated sensing time stamp can be included. In the predicted location information of the sensing target for the next sensing time stamp, the predicted sensing time stamp can be included.
  • the request for predicted location information of the sensing target in a configured future sensing time stamp may be include.
  • the request for predicted location information of the sensing target in a configured future sensing time stamp can be optional.
  • the receiver node may estimate the channel state and the parameters of the environment targets based on sensing measurements of multiple sensing time stamps, and may predict the channel state and the parameters of the environment targets for the next sensing time stamp and the next communication time stamp. Then, the receiver node can send the channel state related parameters and environment targets related parameters for the next communication time stamp to the transmitter node, so as to assist communication in the next communication time stamp.
  • a positioning reference signal PRS
  • a synchronization signal block SSB
  • PRS positioning reference signal
  • SSB synchronization signal block
  • the PRS and the SSB can be reused for sensing purpose, positioning measurement and SSB measurement can be used for sensing purpose.
  • a PRS can be configured by a location management function (LMF) .
  • LMF location management function
  • the configuration of PRS can be configured per physical frequency layer (PFL) and per resource set and per resource.
  • PFL physical frequency layer
  • the usage of PRS can be included in the configuration of PRS.
  • the usage of PRS can be configured per PFL. That means, the usage of PRS can be added in the configuration of PFL.
  • the PRS for sensing can be configured by the SF/LMF separately from the PRS configured for positioning.
  • a receiver node may report the usage of the PRS measurement in Provide Location Information message.
  • the usage of the PRS measurement can be for positioning only, or for sensing only, or for both of positioning and sensing.
  • a bitmap indicating which SSBs’ measurements are requested for sensing can be included.
  • the first/leftmost bit in the bitmap may correspond to SSB index 0’s measurement.
  • the second bit may correspond to SSB index 1’s measurement.
  • Value 0 in the bitmap may indicate that the corresponding SSB’s measurement is not requested while value 1 may indicate that the corresponding SSB’s measurement is requested.
  • the SF/LMF may request the receiver UE with SSB measurements measured from specific SSBs for sensing purpose in Request Location Information message.
  • the first/leftmost bit in the bitmap may correspond to SSB index 0’s measurement.
  • the second bit may correspond to SSB index 1’s measurement.
  • Value 0 in the bitmap may indicate that the corresponding SSB’s measurement is not requested while value 1 may indicate that the corresponding SSB’s measurement is requested.
  • the receiver UE can report SSB measurements to the serving BS for mobility, while may report specific SSB measurements requested in Request Location Information message to the SF/LMF in Provide Location Information message.
  • the transmission node and the receiver node can change as the sensing target moves.
  • the receiver node may send the historical sensing measurements/estimations of the sensing target/zone to the new transmitter BS in cell handover operation.
  • the SF/LMF may send the historical sensing measurements/estimations of the sensing target/zone to the new transmitter BS.
  • FIG. 7 illustrates a flow diagram of a method 700 for adaptive resource configuration for integrated sensing and communication (ISAC) .
  • the method 700 may be implemented using any one or more of the components and devices detailed herein in conjunction with FIGS. 1 to 6.
  • the method 700 may be performed by a network node, in some embodiments. Additional, fewer, or different operations may be performed in the method 700 depending on the embodiment. At least one aspect of the operations is directed to a system, method, apparatus, or a computer-readable medium.
  • a first network node may configure beam related information.
  • the beam related information may include at least one of: receiving beam related information or transmission beam related information. One or more best pairs of a transmission beam and a receiving beam can be determined based on a beam level measurement by a receiver node or by the first network node or a second network node.
  • the beam level measurement may include at least one of: a beam level measurement; the receiving beam related information corresponding to the beam level measurement; or the transmission beam related information corresponding to the beam level measurement.
  • the transmission beam related information may include at least one of: a transmission beam index; a spatial direction of the transmission beam; or a transmission power of the transmission beam.
  • the receiving beam related information may include at least one of: a receiving beam index or a spatial direction of the receiving beam.
  • the first network node may recommend the transmission beam related information corresponding to at least one of the best pairs to a transmitter node and the receiving beam related information corresponding to at least one of the best pairs to a receiver node.
  • the first network node may send the one or more best pairs of the transmission beam and the receiving beam to the receiver node.
  • the one or more best pairs of the transmission beam and the receiving beam can be reported by the receiver node to the first network node.
  • the transmission beam related information corresponding to at least one of the best pairs can be recommended by the first network node to a transmission node.
  • the best pairs of the transmission beam and the receiving beam can be reported by the second network node to the first network node.
  • the first network node may recommend the transmission beam related information corresponding to at least one of the best pairs a transmitter node.
  • the first network node may send the receiving beam related information corresponding to at least one of the best pairs to a receiver node.
  • the first network node may send the one or more best pairs of the transmission beam and the receiving beam to the receiver node.
  • a wireless communication device may determine to relax a granularity of sensing measuring based on a measurement or a configuration.
  • the wireless communication device can be configured as a receiver node.
  • the wireless communication device can be configured not to measure a sensing Reference Signal from a transmitter node if a Radio Resource Management (RRM) measurement of the transmitter node is lower than a RRM measurement threshold.
  • the RRM measurement threshold can be configured by a network node, preconfigured, or determined by the wireless communication device.
  • Multiple sensing measurement thresholds/ranges can be configured by the network node, preconfigured, or determined by the wireless communication device.
  • Each of the sensing measurement ranges/thresholds can be associated with a sensing measuring granularity.
  • the sensing measuring granularity can be represented by a sensing measuring period.
  • the receiver node may measure the sensing RS from the transmitter node using the sensing measuring period associated with this sensing measurement range.
  • a mapping relationship between the sensing measurement threshold/range and the sensing measuring granularity can be configured by the network node, preconfigured, or determined by the wireless communication device.
  • the sensing RS resource configurations can be configured or preconfigured by a transmitter node and sent by the transmitter node to a network node.
  • the sensing RS resource configurations can be provided by the network node to the wireless communication device.
  • a new sensing RS resource associated with a new sensing stage can be requested by the wireless communication device to the network node, if the new sensing stage is satisfied.
  • the new sensing RS resource associated with the new sensing stage can be requested by the network node to the transmitter node.
  • Successful transmission of the new sensing RS resource associated with the new sensing stage can be responded by the transmitter node to the network node.
  • An indicator or an (pre) configured sensing RS resource index can be sent by the receiver node to the transmitter node via UCI/MAC CE to trigger the transmission of the corresponding sensing RS resource associated with a new sensing stage.
  • An indicator or the sensing RS resource index indicating the transmission of the corresponding sensing RS resource can be sent by the transmitter node to the wireless communication device.
  • the sensing RS resource configurations may further include a duration time related information of each sensing RS resource.
  • the duration time related information of each sensing RS resource may include at least one of: a start time of the sensing RS resource or a duration length of the sensing RS resource.
  • a wireless communication device may send an uplink (UL) sensing measurement report per path.
  • the wireless communication device can be configured as a transmitter node.
  • the UL sensing measurement report for one arrival path may include at least one of: one TOA; multiple AOAs; one or multiple RSRPPs; multiple Doppler measurements; or multiple phase related measurements.
  • the UL sensing measurement report for one arrival path of one same UL sensing RS can be a measurement pair of any two of: one TOA; M AOAs; one or M RSRPPs; N Doppler measurements; and N phase related measurements.
  • the M AOAs and the N Doppler measurements may have corresponding relationships, respectively.
  • the M AOAs, the N Doppler measurements and the N phase related measurements may have one-to-one corresponding relationships, respectively, if M is equal to N.
  • Each of the AOAs, each of the Doppler measurements, and each of the phase related measurements may correspond to each arrival angle of the arrival path of one same UL sensing RS. If a number of the RSRPPs is 1, the RSRPP can be a single power of the arrival path in all arrival angles.
  • each RSRPP may correspond to each arrival angle of the arrival path of one same UL sensing RS.
  • the UL sensing measurement report for one arrival path of one same UL sensing RS may include multiple measurement pairs of any two of: one TOA; one AOA; one RSRPP; one Doppler measurement; and one phase related measurement.
  • Each measurement pair of any two of: one TOA; one AOA; one RSRPP; one Doppler measurement; and one phase related measurement may correspond to one arrival angle of the arrival path.
  • TOA values in multiple measurement may pair of any two of: one TOA; one AOA; one RSRPP; one Doppler measurement; and one phase related measurement for multiple arrival angles of the same arrival path can be same.
  • AOA values, Doppler measurements and phase related measurements in multiple measurement may pair of any two of: one TOA; one AOA; one RSRPP; one Doppler measurement; and one phase related measurement for multiple arrival angles of the same arrival path can be different.
  • the AOA, Doppler measurement and phase related measurement in one measurement pair may correspond to the same arrival angle of the arrival path of one same UL sensing RS.
  • RSRPP values in multiple measurement pairs of any two of one TOA; one AOA; one RSRPP; one Doppler measurement; and one phase related measurement for multiple arrival angles of the same arrival path can be same, or can be different.
  • RSRPP can be the single power of the arrival path in all arrival angles. If RSRPP values in multiple measurement pairs is different, RSRPP and AOA in the same measurement pair can be corresponding to the same arrival angle of the arrival path of one same UL sensing RS.
  • UL sensing measurement report for one arrival path of one same UL sensing RS can be multiple measurement pair ⁇ One TOA, One RSRPP, additional measurement ⁇ . Additional measurement may at least include one of: M AOA, N Doppler measurements, and/or N phase related measurements.
  • UL sensing measurement report for one arrival path of one same UL sensing RS can be multiple measurement pair ⁇ One TOA, additional measurement ⁇ .
  • Additional measurement may at least include one of: M AOA, M RSRPP, N Doppler measurements, and/or N phase related measurements.
  • the UL sensing measurement report can be per Doppler.
  • a request for predicted location information of a sensing target in a configured future sensing time stamp may be sent by a first network node to a receiver node.
  • a location estimation of the sensing target for a current sensing time stamp and the location prediction of the sensing target for a next sensing time stamp can be reported by a receiver node to the network node.
  • the predicted location request can be include the requested predicted sensing time stamp.
  • the location estimation report can include the estimated sensing time stamp.
  • the location prediction report can include the predicted sensing time stamp.
  • An estimation of a channel state for the current time stamp and the prediction of the channel state for the next time stamp can be reported by the receiver node to a second network node.
  • the third network node may request measurements measured from a specific PRS for a sensing purpose in a Request Location Information message.
  • the Request Location Information message can include a list of PRS resources whose measurements can be used for sensing.
  • Each PRS resource in the list of PRS resources can be identified by at least one of: a TRP ID; an PRS resource set ID; or a PRS resource ID.
  • a receiver node can be configured to report a usage of a PRS measurement in a Provide Location Information message.
  • the usage of the PRS measurement can be configured for positioning only, for sensing only, or for both of the positioning and the sensing.
  • any reference to an element herein using a designation such as “first, “ “second, “ and so forth does not generally limit the quantity or order of those elements. Rather, these designations can be used herein as a convenient means of distinguishing between two or more elements or instances of an element. Thus, a reference to first and second elements does not mean that only two elements can be employed, or that the first element must precede the second element in some manner.

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

Abstract

L'invention concerne des systèmes et des procédés de configuration de ressource adaptative pour une détection et une communication intégrées (ISAC). Un premier nœud de réseau peut configurer des informations relatives à un faisceau. Les informations relatives au faisceau peuvent comprendre la réception d'informations relatives au faisceau et/ou d'informations relatives au faisceau de transmission.
PCT/CN2024/070767 2024-01-05 2024-01-05 Systèmes et procédés pour configuration de ressource adaptative Pending WO2025145422A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111132183A (zh) * 2019-12-20 2020-05-08 大唐移动通信设备有限公司 一种波束管理方法和装置
WO2022147718A1 (fr) * 2021-01-07 2022-07-14 Qualcomm Incorporated Indication de configuration spatiale de réception pour communication entre des dispositifs sans fil
WO2023102296A1 (fr) * 2021-11-30 2023-06-08 Qualcomm Incorporated Techniques de gestion de faisceau à débit contraint
CN117014047A (zh) * 2022-04-29 2023-11-07 中兴通讯股份有限公司 通信方法、设备和存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111132183A (zh) * 2019-12-20 2020-05-08 大唐移动通信设备有限公司 一种波束管理方法和装置
WO2022147718A1 (fr) * 2021-01-07 2022-07-14 Qualcomm Incorporated Indication de configuration spatiale de réception pour communication entre des dispositifs sans fil
WO2023102296A1 (fr) * 2021-11-30 2023-06-08 Qualcomm Incorporated Techniques de gestion de faisceau à débit contraint
CN117014047A (zh) * 2022-04-29 2023-11-07 中兴通讯股份有限公司 通信方法、设备和存储介质

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