PH12021553150A1 - Channel state information reference signal for wideband operation - Google Patents

Channel state information reference signal for wideband operation

Info

Publication number
PH12021553150A1
PH12021553150A1 PH1/2021/553150A PH12021553150A PH12021553150A1 PH 12021553150 A1 PH12021553150 A1 PH 12021553150A1 PH 12021553150 A PH12021553150 A PH 12021553150A PH 12021553150 A1 PH12021553150 A1 PH 12021553150A1
Authority
PH
Philippines
Prior art keywords
csi
sub
wideband
bands
transmitted
Prior art date
Application number
PH1/2021/553150A
Other languages
English (en)
Inventor
Kapil Bhattad
Jing Sun
Ananta Narayanan Thyagarajan
Xiaoxia Zhang
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 US16/946,901 external-priority patent/US11336352B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PH12021553150A1 publication Critical patent/PH12021553150A1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013Rate matching, e.g. puncturing or repetition of code symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092Indication of how the channel is divided
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/30Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32TPC of broadcast or control channels
    • H04W52/325Power control of control or pilot channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/11Semi-persistent scheduling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
PH1/2021/553150A 2019-07-15 2020-07-13 Channel state information reference signal for wideband operation PH12021553150A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN201941028335 2019-07-15
US16/946,901 US11336352B2 (en) 2019-07-15 2020-07-10 Channel state information reference signal for wideband operation
PCT/US2020/070262 WO2021011954A1 (en) 2019-07-15 2020-07-13 Channel state information reference signal for wideband operation

Publications (1)

Publication Number Publication Date
PH12021553150A1 true PH12021553150A1 (en) 2022-08-15

Family

ID=71944440

Family Applications (1)

Application Number Title Priority Date Filing Date
PH1/2021/553150A PH12021553150A1 (en) 2019-07-15 2020-07-13 Channel state information reference signal for wideband operation

Country Status (8)

Country Link
US (2) US11742920B2 (https=)
EP (1) EP4000209B1 (https=)
JP (2) JP7560531B2 (https=)
KR (2) KR20240100481A (https=)
CN (2) CN119276446A (https=)
BR (1) BR112021026640A2 (https=)
PH (1) PH12021553150A1 (https=)
WO (1) WO2021011954A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020096274A1 (ko) * 2018-11-08 2020-05-14 엘지전자 주식회사 비면허 대역에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
BR112021026640A2 (pt) 2019-07-15 2022-03-22 Qualcomm Inc Sinal de referência de informação de estado de canal para operação de banda larga
KR102609779B1 (ko) * 2020-04-13 2023-12-06 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
US11743941B2 (en) * 2020-08-26 2023-08-29 Qualcomm Incorporated Dynamic group formation for group based positioning reference signal listen before talk procedures

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US8159978B2 (en) 2009-02-05 2012-04-17 Lg Electronics Inc. Method and apparatus of transmitting feedback message in wireless communication system
CN104094630B (zh) 2012-03-22 2018-04-27 阿尔卡特朗讯 用于协同多点传输的信道状态信息反馈
JP6324954B2 (ja) * 2012-06-18 2018-05-16 サムスン エレクトロニクス カンパニー リミテッド 協調マルチポイント送信のための非周期的及び周期的csiフィードバックモード
CN104253674B (zh) 2013-06-27 2017-12-29 华为技术有限公司 反馈csi的方法、调度ue的方法、ue及基站
US10735155B2 (en) 2014-11-03 2020-08-04 Qualcomm Incorporated Rate matching around reference signals in wireless communications
US10637619B2 (en) * 2014-11-03 2020-04-28 Samsung Electronics Co., Ltd. Method and apparatus for channel access for LTE on unlicensed spectrum
JP2017228813A (ja) 2014-11-06 2017-12-28 シャープ株式会社 基地局装置、端末装置および通信方法
US9743392B2 (en) * 2015-01-30 2017-08-22 Motorola Mobility Llc Method and apparatus for signaling aperiodic channel state indication reference signals for LTE operation
KR20180004120A (ko) * 2015-04-08 2018-01-10 인터디지탈 패튼 홀딩스, 인크 감소된 출력 및 커버리지 향상을 가지는 무선 송수신 유닛(wtru)용 멀티서브대역 기반 전송 방법 및 장치
US10211964B2 (en) * 2015-07-29 2019-02-19 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
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US11394518B2 (en) * 2016-04-01 2022-07-19 Telefonaktiebolaget Lm Ericsson (Publ) System and method for flexible channel state information-reference signal transmission
KR20180013811A (ko) 2016-07-29 2018-02-07 아서스테크 컴퓨터 인코포레이션 무선 통신 시스템에서 빔 동작을 위한 채널 상태 정보 리포트를 위한 방법 및 장치
US20190182007A1 (en) 2016-08-11 2019-06-13 Ntt Docomo, Inc. Method of wireless communication and user equipment
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US10873439B2 (en) * 2016-12-16 2020-12-22 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing channel state information
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KR102338306B1 (ko) 2017-03-23 2021-12-10 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
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Also Published As

Publication number Publication date
EP4000209A1 (en) 2022-05-25
US12107651B2 (en) 2024-10-01
JP7560531B2 (ja) 2024-10-02
CN114080779B (zh) 2024-11-12
KR20240100481A (ko) 2024-07-01
CN114080779A (zh) 2022-02-22
JP2022540830A (ja) 2022-09-20
JP7724345B2 (ja) 2025-08-15
EP4000209B1 (en) 2025-08-27
US20230353215A1 (en) 2023-11-02
EP4000209C0 (en) 2025-08-27
JP2025011101A (ja) 2025-01-23
US11742920B2 (en) 2023-08-29
BR112021026640A2 (pt) 2022-03-22
CN119276446A (zh) 2025-01-07
KR102693073B1 (ko) 2024-08-07
US20220337299A1 (en) 2022-10-20
KR20220031009A (ko) 2022-03-11
WO2021011954A1 (en) 2021-01-21

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