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EP4268501A1 - Capacité d'équipement utilisateur (ue) pour effectuer des mesures de rrm de csi-rs basées sur une cellule de desserte - Google Patents

Capacité d'équipement utilisateur (ue) pour effectuer des mesures de rrm de csi-rs basées sur une cellule de desserte

Info

Publication number
EP4268501A1
EP4268501A1 EP21835898.4A EP21835898A EP4268501A1 EP 4268501 A1 EP4268501 A1 EP 4268501A1 EP 21835898 A EP21835898 A EP 21835898A EP 4268501 A1 EP4268501 A1 EP 4268501A1
Authority
EP
European Patent Office
Prior art keywords
serving cell
csi
measurements
serving
rrm
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
EP21835898.4A
Other languages
German (de)
English (en)
Inventor
Qunfeng HE
Arvind Vardarajan Santhanam
Aamod Khandekar
Alexei Yurievitch Gorokhov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US17/455,194 external-priority patent/US12101268B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of EP4268501A1 publication Critical patent/EP4268501A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower where the power saving management affects multiple terminals
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • FIG. 1 is a diagram illustrating an example of a wireless communications system and an access network.
  • FIG. 2A is a diagram illustrating an example of a first frame, in accordance with various aspects of the present disclosure.
  • FIG. 8 is a flowchart of a method of wireless communication.
  • processors include microprocessors, microcontrollers, graphics processing units (GPUs), central processing units (CPUs), application processors, digital signal processors (DSPs), reduced instruction set computing (RISC) processors, systems on a chip (SoC), baseband processors, field programmable gate arrays (FPGAs), programmable logic devices (PLDs), state machines, gated logic, discrete hardware circuits, and other suitable hardware configured to perform the various functionality described throughout this disclosure.
  • processors in the processing system may execute software.
  • the SRS may be transmited in the last symbol of a subframe.
  • the SRS may have a comb structure, and a UE may transmit SRS on one of the combs.
  • the SRS may be used by a base station for channel quality estimation to enable frequencydependent scheduling on the UL.
  • At least one of the TX processor 368, the RX processor 356, and the controller/processor 359 may be configured to perform aspects in connection with measurement component 198 of FIG. 1.
  • the UE 502 may receive a measurement object configuration 506 from the base station 504 such that the UE 502 is configured with layer 3 measurement resources 507, such as SSB and/or CSI-RS, for one or more measurement objects.
  • the measurement objects may be configured for the UE in RRC signaling.
  • the UE 502 may detect that CSI-RS based mobility has been enabled by a network (e.g., the network that the base station 504 is in) by checking a field in the measurement object configuration 506, such as a csi-rs- ResourceConfigMobility in a RRC signaling.
  • the UE 502 may receive UE assistance information (UAI) from the base station 504 that indicates the measurement object configuration 506.
  • UAI UE assistance information
  • the UE may skip measurement/reporting. For example, if the measurement object configuration 506 includes CSI-RS RRM resources for the serving cell and the neighboring cells, the UE 502 may refrain from performing the measurements and/or may refrain from reporting the measurements to the base station 504, e.g., as illustrated at 512.
  • the UE may transmit, to a base station, an indication indicating support for reporting one or more serving cell CSI-RS RRM measurements independent of nonserving cell CSI-RS RRM measurements.
  • 602 may be performed by UE capability indication component 1042 in FIG. 10.
  • the UE refrains from indicating a CSI capability that supports measurements for the serving cell and for non-serving cells.
  • the UE refrains from indicating a CSI capability that supports measurements for nonserving cells or for non-serving beams.
  • the indication is included in UE capability information associated with RRM or mobility.
  • the indication further indicates that the support is for a serving beam of the serving cell, the serving beam being associated with an SSB and a cell ID, where the UE transmits
  • the UE refrains from performing CSI-RS RRM measurements on the one or more nonserving cells and on the non-serving beam.
  • the UE performs the one or more serving cell CSI-RS RRM measurements for the serving cell, including the serving beam and the non-serving beam, and the one or more nonserving cells, where the UE transmits the one or more serving cell CSI-RS RRM measurements for the serving beam of the serving cell and does not report the one or more serving cell CSI-RS RRM measurements for the one or more non-serving cells and the non-serving beam.
  • FIG. 8 is a flowchart 800 of a method of wireless communication.
  • the method may be performed by a UE (e.g., the UE 104; the apparatus 1002).
  • the method may enable a UE and a base station to efficiently support serving cell measurements for MDT.
  • FIG. 10 is a diagram 1000 illustrating an example of a hardware implementation for an apparatus 1002.
  • the apparatus 1002 is a UE and includes a cellular baseband processor 1004 (also referred to as a modem) coupled to a cellular RF transceiver 1022 and one or more subscriber identity modules (SIM) cards 1020, an application processor 1006 coupled to a secure digital (SD) card 1008 and a screen 1010, a Bluetooth module 1012, a wireless local area network (WLAN) module 1014, a Global Positioning System (GPS) module 1016, and a power supply 1018.
  • the cellular baseband processor 1004 communicates through the cellular RF transceiver 1022 with the UE 104 and/or BS 102/180.
  • the aforementioned means may be one or more of the aforementioned components of the apparatus 1002 configured to perform the functions recited by the aforementioned means.
  • the apparatus 1002 may include the TX Processor 368, the RX Processor 356, and the controller/processor 359.
  • the aforementioned means may be the TX Processor 368, the RX Processor 356, and the controller/processor 359 configured to perform the functions recited by the aforementioned means.
  • Aspect 3 is the method of any of aspects 1 to 2, further comprising: refraining from indicating a CSI capability that supports measurements for the serving cell and for non-serving cells.
  • Aspect 6 is the method of any of aspects 1 to 5, wherein the layer 3 measurement resources comprise CSI-RS resources for the serving cell and a non-serving cell.
  • Aspect 18 is the method of any of aspects 1 to 16, further comprising: refraining from performing CSI-RS RRM measurements on the one or more non-serving cells and on the non-serving beam.
  • Aspect 34 is an apparatus for wireless communication at a base station, comprising: a memory; and at least one processor coupled to the memory and configured to: receive, from a UE, an indication indicating support for reporting one or more serving cell CSI-RS RRM measurements independent of non-serving cell CSI-RS RRM measurements; responsive to receiving the indication, transmit, to the UE, a configuration of layer 3 measurement resources; and receive, from the UE, the one or more serving cell CSI-RS RRM measurements for a serving cell.
  • Aspect 47 is the method of any of aspects 40 to 45, wherein the MDT report is a logged MDT report.
  • Aspect 57 is the method of any of aspects any of aspects 40 to 56, wherein the configuration includes the layer 3 measurement objects for the serving cell.
  • Aspect 67 is a computer-readable medium storing computer executable code at a UE, the code when executed by a processor causes the processor to: receive, from a base station, a configuration of layer 3 measurement objects for a serving cell; perform, based on the configuration of the layer 3 measurement objects, one or more serving cell measurements of one or more layer 3 measurement reference signal resources for the serving cell; and transmit, to the base station, a serving cell report of the one or more serving cell measurement reference signal resources of the layer 3 measurement objects.
  • Aspect 80 is the method of any of aspects 69 to 79, wherein the UE capability indication is comprised in a capability field for the serving cell report.
  • Aspect 85 is the method of aspects 69 to 84, further comprising: transmitting, to the UE, UAI indicating the configuration.

Landscapes

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

Abstract

Un appareil, des procédés, et des produits-programmes d'ordinateur, destinés à la mesure de cellule de desserte sur la base de RRM de CSI-RS, sont divulgués. Un appareil donné à titre d'exemple peut transmettre, à une station de base, un support indiquant une indication pour rapporter une ou plusieurs mesures de gestion de ressources radio (RRM) de signal de référence d'informations d'état de canal de cellule de desserte (CSI-RS) indépendantes des mesures de CSI-RS de cellule non de desserte. L'appareil donné à titre d'exemple peut recevoir, en provenance de la station de base, une configuration de ressources de mesure de couche 3. L'appareil donné à titre d'exemple peut effectuer, sur la base de la configuration des ressources de mesure de couche 3, la ou les mesures de RRM de CSI-RS de cellule de desserte. L'appareil donné à titre d'exemple peut transmettre, à la station de base, la ou les mesures de RRM de CSI-RS de cellule de desserte pour une cellule de desserte.
EP21835898.4A 2020-12-22 2021-11-17 Capacité d'équipement utilisateur (ue) pour effectuer des mesures de rrm de csi-rs basées sur une cellule de desserte Pending EP4268501A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063129497P 2020-12-22 2020-12-22
US202063129530P 2020-12-22 2020-12-22
US17/455,194 US12101268B2 (en) 2020-12-22 2021-11-16 UE capability for performing serving cell based CSI-RS RRM measurements
PCT/US2021/059719 WO2022139987A1 (fr) 2020-12-22 2021-11-17 Capacité d'équipement utilisateur (ue) pour effectuer des mesures de rrm de csi-rs basées sur une cellule de desserte

Publications (1)

Publication Number Publication Date
EP4268501A1 true EP4268501A1 (fr) 2023-11-01

Family

ID=79185540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21835898.4A Pending EP4268501A1 (fr) 2020-12-22 2021-11-17 Capacité d'équipement utilisateur (ue) pour effectuer des mesures de rrm de csi-rs basées sur une cellule de desserte

Country Status (2)

Country Link
EP (1) EP4268501A1 (fr)
WO (1) WO2022139987A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11297674B2 (en) * 2018-02-14 2022-04-05 Samsung Electronics Co., Ltd. Method and apparatus for power savings at a user equipment
US11856468B2 (en) * 2020-04-15 2023-12-26 Huawei Technologies Co., Ltd. Methods and devices for enhanced user-centric inter-cell mobility management

Also Published As

Publication number Publication date
WO2022139987A1 (fr) 2022-06-30

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