SG11202002609XA - Method for calculating channel quality indicator (cqi), terminal device, and network device - Google Patents

Method for calculating channel quality indicator (cqi), terminal device, and network device

Info

Publication number
SG11202002609XA
SG11202002609XA SG11202002609XA SG11202002609XA SG11202002609XA SG 11202002609X A SG11202002609X A SG 11202002609XA SG 11202002609X A SG11202002609X A SG 11202002609XA SG 11202002609X A SG11202002609X A SG 11202002609XA SG 11202002609X A SG11202002609X A SG 11202002609XA
Authority
SG
Singapore
Prior art keywords
cqi
channel quality
quality indicator
terminal device
calculating channel
Prior art date
Application number
SG11202002609XA
Other languages
English (en)
Inventor
Zhihua Shi
Wenhong Chen
Zhi Zhang
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of SG11202002609XA publication Critical patent/SG11202002609XA/en

Links

Classifications

    • 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
    • H04B7/0452—Multi-user MIMO 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
    • 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
    • H04L5/005—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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

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)
  • Electromagnetism (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
SG11202002609XA 2017-09-30 2017-09-30 Method for calculating channel quality indicator (cqi), terminal device, and network device SG11202002609XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/105000 WO2019061494A1 (zh) 2017-09-30 2017-09-30 计算信道质量指示cqi的方法、终端设备和网络设备

Publications (1)

Publication Number Publication Date
SG11202002609XA true SG11202002609XA (en) 2020-04-29

Family

ID=65903834

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202002609XA SG11202002609XA (en) 2017-09-30 2017-09-30 Method for calculating channel quality indicator (cqi), terminal device, and network device

Country Status (15)

Country Link
US (2) US10868606B2 (ko)
EP (2) EP4020862A1 (ko)
JP (2) JP7171711B2 (ko)
KR (1) KR102378981B1 (ko)
CN (2) CN111525949B (ko)
AU (1) AU2017433231B2 (ko)
BR (1) BR112020006103A2 (ko)
CA (1) CA3076842C (ko)
DK (1) DK3691155T3 (ko)
ES (1) ES2910991T3 (ko)
MX (1) MX2020003147A (ko)
RU (1) RU2749089C1 (ko)
SG (1) SG11202002609XA (ko)
TW (1) TWI771502B (ko)
WO (1) WO2019061494A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220018507A (ko) * 2019-06-07 2022-02-15 미셸 파투셰 새로운 고용량 통신 시스템
CN115412139A (zh) * 2021-05-28 2022-11-29 华为技术有限公司 一种信道信息上报方法及相关装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101753188B (zh) * 2008-12-19 2014-04-30 电信科学技术研究院 多流波束赋形传输时信道的秩的估计方法、系统及装置
US8213873B2 (en) * 2010-04-09 2012-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for channel quality reporting in a wireless communication system
CN102291213B (zh) * 2011-08-15 2017-06-16 中兴通讯股份有限公司 一种计算信道质量指示信息的终端及方法
CN103220068B (zh) * 2012-01-19 2018-10-26 中兴通讯股份有限公司 信道状态信息处理方法、装置及系统
CN103391126B (zh) * 2012-05-11 2016-08-10 电信科学技术研究院 一种子带信道信息的周期反馈方法、装置及系统
EP2856661A2 (en) * 2012-06-04 2015-04-08 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
US20130343299A1 (en) * 2012-06-21 2013-12-26 Samsung Electronics Co., Ltd Method for cqi feedback without spatial feedback (pmi/ri) for tdd coordinated multi-point and carrier aggregation scenarios
EP2866358B1 (en) * 2012-06-24 2018-10-10 LG Electronics Inc. Method and apparatus for reporting channel state information in wireless communication system
US9059753B2 (en) * 2012-09-27 2015-06-16 Nokia Solutions & Networks Oy Non-codebook based channel state information feedback
US9178583B2 (en) 2013-01-08 2015-11-03 Samsung Electronics Co., Ltd. Channel state information feedback design in advanced wireless communication systems
EP2945414B1 (en) * 2013-01-14 2018-03-07 LG Electronics Inc. Method for reporting channel state information for three-dimensional beamforming in wireless communication system and device therefor
EP2787670A1 (en) * 2013-04-05 2014-10-08 Panasonic Intellectual Property Corporation of America MCS table adaptation for 256-QAM
US9130784B2 (en) * 2013-04-22 2015-09-08 Google Technology Holdings LLC Method and apparatus for enhanced modulation in a wirless communication system
WO2015147592A1 (ko) * 2014-03-28 2015-10-01 엘지전자 주식회사 무선접속 시스템에서 256qam 지원을 위한 채널상태정보 보고 방법 및 장치
KR102197451B1 (ko) * 2014-05-22 2020-12-31 퀄컴 인코포레이티드 Mimo에 대한 주기적인 및 비주기적인 채널 상태 정보(csi) 리포팅
US10666338B2 (en) * 2014-05-30 2020-05-26 Lg Electronics Inc. Channel quality measurement method in multiple antenna wireless communication system and device for same
EP3471307A3 (en) * 2015-01-19 2019-06-12 QUALCOMM Incorporated Csi feedback overhead reduction for fd-mimo
CN105871515B (zh) * 2015-01-23 2019-07-19 电信科学技术研究院 一种信道状态信息反馈方法、下行参考信号方法及装置
CN106209195B (zh) * 2015-03-06 2020-02-11 电信科学技术研究院 信道状态信息获取方法、信道状态信息反馈方法及装置
CN113316127A (zh) * 2015-05-15 2021-08-27 瑞典爱立信有限公司 用于跨多个子帧接收或传送下行链路传送的方法和装置
CN105471546B (zh) 2015-07-31 2016-11-30 电信科学技术研究院 一种反馈和接收信道状态信息csi的方法及装置
US10200168B2 (en) * 2015-08-27 2019-02-05 Futurewei Technologies, Inc. Systems and methods for adaptation in a wireless network
CN108781378B (zh) 2016-03-11 2021-06-22 华为技术有限公司 一种测量信道质量索引的方法及装置

Also Published As

Publication number Publication date
US10868606B2 (en) 2020-12-15
EP3691155A1 (en) 2020-08-05
US11984956B2 (en) 2024-05-14
JP7171711B2 (ja) 2022-11-15
US20200220601A1 (en) 2020-07-09
WO2019061494A1 (zh) 2019-04-04
MX2020003147A (es) 2020-07-29
EP4020862A1 (en) 2022-06-29
CN111525949B (zh) 2022-10-18
TW201916622A (zh) 2019-04-16
JP2023022023A (ja) 2023-02-14
CA3076842C (en) 2022-08-02
CN111095832A (zh) 2020-05-01
TWI771502B (zh) 2022-07-21
AU2017433231A1 (en) 2020-04-09
US20200382193A1 (en) 2020-12-03
CA3076842A1 (en) 2019-04-04
KR20200064992A (ko) 2020-06-08
JP2021500776A (ja) 2021-01-07
EP3691155B1 (en) 2022-03-09
ES2910991T3 (es) 2022-05-17
BR112020006103A2 (pt) 2020-09-29
DK3691155T3 (da) 2022-04-11
CN111525949A (zh) 2020-08-11
RU2749089C1 (ru) 2021-06-04
KR102378981B1 (ko) 2022-03-24
AU2017433231B2 (en) 2022-12-22

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