BR112020006340A2 - omissão de informações de estado de canal de sub-banda (csi) para csi tipo ii - Google Patents

omissão de informações de estado de canal de sub-banda (csi) para csi tipo ii Download PDF

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Publication number
BR112020006340A2
BR112020006340A2 BR112020006340-1A BR112020006340A BR112020006340A2 BR 112020006340 A2 BR112020006340 A2 BR 112020006340A2 BR 112020006340 A BR112020006340 A BR 112020006340A BR 112020006340 A2 BR112020006340 A2 BR 112020006340A2
Authority
BR
Brazil
Prior art keywords
sub
bands
csi
csi feedback
feedback
Prior art date
Application number
BR112020006340-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Liangming WU
Yu Zhang
Chenxi HAO
Chao Wei
Wanshi Chen
Original Assignee
Qualcomm Incorporated
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
Application filed by Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112020006340A2 publication Critical patent/BR112020006340A2/pt

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Classifications

    • 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
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/0613—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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
    • 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
    • H04L1/0028—Formatting
    • H04L1/003—Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • 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
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Alarm Systems (AREA)
BR112020006340-1A 2017-10-02 2018-09-29 omissão de informações de estado de canal de sub-banda (csi) para csi tipo ii BR112020006340A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2017/105238 2017-10-02
PCT/CN2017/105238 WO2019068212A1 (en) 2017-10-02 2017-10-02 OMISSION OF CHANNEL STATE INFORMATION (CSI) OF SUB-BAND FOR TYPE II CSI
PCT/CN2018/108593 WO2019068250A1 (en) 2017-10-02 2018-09-29 OMISSION OF SUB-BAND CHANNEL STATUS INFORMATION (CSI) FOR TYPE II CSI

Publications (1)

Publication Number Publication Date
BR112020006340A2 true BR112020006340A2 (pt) 2020-09-24

Family

ID=65994150

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020006340-1A BR112020006340A2 (pt) 2017-10-02 2018-09-29 omissão de informações de estado de canal de sub-banda (csi) para csi tipo ii

Country Status (7)

Country Link
US (1) US11451279B2 (enExample)
EP (1) EP3692664A4 (enExample)
JP (1) JP7187548B2 (enExample)
KR (1) KR102705893B1 (enExample)
CN (1) CN111164916B (enExample)
BR (1) BR112020006340A2 (enExample)
WO (2) WO2019068212A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210298037A1 (en) * 2018-07-12 2021-09-23 Ntt Docomo, Inc. User terminal and base station
EP3817242B1 (en) * 2018-07-27 2024-09-04 LG Electronics Inc. Method and apparatus for reporting channel state information in wireless communication system
CN114826350B (zh) * 2019-04-30 2024-12-03 中兴通讯股份有限公司 传输信道状态的发送方法、接收方法及装置、存储介质
CN114008947B (zh) * 2019-06-19 2024-02-20 上海诺基亚贝尔股份有限公司 信道状态信息的发送和确定
CN110535509B (zh) * 2019-08-16 2024-09-27 中兴通讯股份有限公司 一种信息反馈和接收方法、装置和存储介质
US11387884B2 (en) * 2019-10-01 2022-07-12 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing partial CSI
US12052596B2 (en) * 2020-10-20 2024-07-30 Mediatek Singapore Pte. Ltd. Reporting of best wideband CQI in mobile communications

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090116570A1 (en) * 2007-11-02 2009-05-07 Interdigital Patent Holdings, Inc. Method and apparatus for generating channel quality indicator, precoding matrix indicator and rank information
CN101867447B (zh) * 2010-04-30 2015-09-16 中兴通讯股份有限公司 信道状态信息的反馈方法及终端
CN101877627B (zh) * 2010-06-21 2015-09-16 中兴通讯股份有限公司 信道状态信息的反馈方法及终端
US8798011B2 (en) 2011-04-29 2014-08-05 Nec Laboratories America, Inc. Enhancement of download multi-user multiple-input multiple-output wireless communications
CN102271028B (zh) * 2011-08-03 2017-04-12 中兴通讯股份有限公司 信道状态信息反馈方法及装置
US9681425B2 (en) 2012-05-11 2017-06-13 Qualcomm Incorporated Rank-specific feedback for improved MIMO support
US11121834B2 (en) * 2012-06-18 2021-09-14 Samsung Electronics Co., Ltd. Aperiodic and periodic CSI feedback modes for coordinated multi-point transmission
US9614655B2 (en) * 2012-08-02 2017-04-04 Lg Electronics Inc. Method and apparatus for feeding back channel state information in wireless communication system
CN110830165B (zh) * 2013-05-24 2021-12-21 中兴通讯股份有限公司 信道状态信息反馈方法和终端
KR102197451B1 (ko) * 2014-05-22 2020-12-31 퀄컴 인코포레이티드 Mimo에 대한 주기적인 및 비주기적인 채널 상태 정보(csi) 리포팅
WO2016015225A1 (zh) * 2014-07-29 2016-02-04 华为技术有限公司 一种信道状态信息的反馈和接收方法、设备
EP3471307B1 (en) * 2015-01-19 2026-02-18 QUALCOMM Incorporated Csi feedback overhead reduction for fd-mimo
US10079665B2 (en) * 2015-01-29 2018-09-18 Samsung Electronics Co., Ltd. System and method for link adaptation for low cost user equipments
US10411868B2 (en) * 2016-02-24 2019-09-10 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (CSI) reporting
CN110945799B (zh) * 2017-09-29 2023-11-28 Lg电子株式会社 用于在无线通信系统中报告信道状态信息的方法及其装置

Also Published As

Publication number Publication date
CN111164916B (zh) 2023-05-16
KR20200063150A (ko) 2020-06-04
US20200235796A1 (en) 2020-07-23
JP7187548B2 (ja) 2022-12-12
US11451279B2 (en) 2022-09-20
EP3692664A1 (en) 2020-08-12
WO2019068212A1 (en) 2019-04-11
WO2019068250A1 (en) 2019-04-11
KR102705893B1 (ko) 2024-09-10
CN111164916A (zh) 2020-05-15
EP3692664A4 (en) 2021-06-23
JP2020536439A (ja) 2020-12-10

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