BR112021026640A2 - Sinal de referência de informação de estado de canal para operação de banda larga - Google Patents

Sinal de referência de informação de estado de canal para operação de banda larga

Info

Publication number
BR112021026640A2
BR112021026640A2 BR112021026640A BR112021026640A BR112021026640A2 BR 112021026640 A2 BR112021026640 A2 BR 112021026640A2 BR 112021026640 A BR112021026640 A BR 112021026640A BR 112021026640 A BR112021026640 A BR 112021026640A BR 112021026640 A2 BR112021026640 A2 BR 112021026640A2
Authority
BR
Brazil
Prior art keywords
csi
reference signal
information reference
transmitted
subband
Prior art date
Application number
BR112021026640A
Other languages
English (en)
Portuguese (pt)
Inventor
Narayanan THYAGARAJAN Ananta
Jing Sun
Kapil Bhattad
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 BR112021026640A2 publication Critical patent/BR112021026640A2/pt

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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092—Indication of how the channel is divided
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/11—Semi-persistent scheduling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
BR112021026640A 2019-07-15 2020-07-13 Sinal de referência de informação de estado de canal para operação de banda larga BR112021026640A2 (pt)

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
BR112021026640A2 true BR112021026640A2 (pt) 2022-03-22

Family

ID=71944440

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021026640A BR112021026640A2 (pt) 2019-07-15 2020-07-13 Sinal de referência de informação de estado de canal para operação de banda larga

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
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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
US10263671B2 (en) * 2015-12-31 2019-04-16 Lg Electronics Inc. Method for reporting reference signal indicator to base station by terminal in wireless communication system and apparatus therefor
CN107204794B (zh) 2016-03-18 2020-02-21 电信科学技术研究院 一种csi反馈方法及装置
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
CN109891772B (zh) * 2016-11-03 2022-10-04 康维达无线有限责任公司 Nr中的帧结构
US10873439B2 (en) * 2016-12-16 2020-12-22 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing channel state information
US20200007213A1 (en) * 2017-02-03 2020-01-02 Ntt Docomo, Inc. Method of csi reporting
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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BR112021026640A2 (pt) * 2019-07-15 2022-03-22 Qualcomm Inc Sinal de referência de informação de estado de canal para operação de banda larga
US11336352B2 (en) * 2019-07-15 2022-05-17 Qualcomm Incorporated Channel state information reference signal for wideband operation

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
PH12021553150A1 (en) 2022-08-15
JP2025011101A (ja) 2025-01-23
US11742920B2 (en) 2023-08-29
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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