SG11202105993XA - Feedback for type ii channel state information - Google Patents

Feedback for type ii channel state information

Info

Publication number
SG11202105993XA
SG11202105993XA SG11202105993XA SG11202105993XA SG11202105993XA SG 11202105993X A SG11202105993X A SG 11202105993XA SG 11202105993X A SG11202105993X A SG 11202105993XA SG 11202105993X A SG11202105993X A SG 11202105993XA SG 11202105993X A SG11202105993X A SG 11202105993XA
Authority
SG
Singapore
Prior art keywords
feedback
type
state information
channel state
channel
Prior art date
Application number
SG11202105993XA
Other languages
English (en)
Inventor
Chao Wei
Chenxi Hao
Liangming Wu
Qiaoyu Li
Min Huang
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11202105993XA publication Critical patent/SG11202105993XA/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
    • H04B7/06—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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
    • H04B7/0426—Power distribution
    • 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
    • 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
    • H04B7/063—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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
SG11202105993XA 2019-01-10 2020-01-09 Feedback for type ii channel state information SG11202105993XA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/071099 WO2020142974A1 (en) 2019-01-10 2019-01-10 Feedback for type ii channel state information
PCT/CN2020/071081 WO2020143699A1 (en) 2019-01-10 2020-01-09 Feedback for type ii channel state information

Publications (1)

Publication Number Publication Date
SG11202105993XA true SG11202105993XA (en) 2021-07-29

Family

ID=71521385

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202105993XA SG11202105993XA (en) 2019-01-10 2020-01-09 Feedback for type ii channel state information

Country Status (6)

Country Link
US (1) US20220039107A1 (zh)
EP (1) EP3909148A4 (zh)
KR (1) KR20210112313A (zh)
CN (1) CN113273100B (zh)
SG (1) SG11202105993XA (zh)
WO (2) WO2020142974A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020143446A1 (zh) * 2019-01-11 2020-07-16 电信科学技术研究院有限公司 一种信道状态信息发送及接收方法、终端设备和网络设备
CA3130222C (en) * 2019-02-15 2024-03-12 Zte Corporation Channel state information feedback in wireless communication
CN113812093A (zh) * 2019-05-07 2021-12-17 诺基亚技术有限公司 装置，方法和计算机程序
JP2023548870A (ja) * 2020-11-04 2023-11-21 華為技術有限公司 プリコーディング行列指示方法、ユーザ機器、およびアクセスデバイス
CN115175228A (zh) * 2021-04-02 2022-10-11 大唐移动通信设备有限公司 信息上报方法、网络侧配置方法、装置、设备及存储介质
WO2023206376A1 (en) * 2022-04-29 2023-11-02 Qualcomm Incorporated Reporting coherent joint transmission type ii channel state information feedback
CN117439709A (zh) * 2022-07-14 2024-01-23 中兴通讯股份有限公司 信道反馈方法及装置
CN117856845A (zh) * 2022-09-30 2024-04-09 大唐移动通信设备有限公司 信道状态信息的上报方法、终端及网络设备
WO2024092694A1 (en) * 2022-11-04 2024-05-10 Qualcomm Incorporated Reduced non-zero coefficient selection bitmap for time domain channel status information
CN118339776A (zh) * 2022-11-04 2024-07-12 北京小米移动软件有限公司 一种确定信道状态信息csi的方法及其装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10659118B2 (en) 2016-04-19 2020-05-19 Samsung Electronics Co., Ltd. Method and apparatus for explicit CSI reporting in advanced wireless communication systems
JP7003111B2 (ja) * 2016-08-12 2022-01-20 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 高度ｃｓｉフィードバックオーバヘッド低減のための構成可能コードブック
US10110284B2 (en) * 2016-11-03 2018-10-23 At&T Intellectual Property I, L.P. Providing a format indicator comprising rank indication and channel state information spatial domain resolution type
US10200103B2 (en) * 2016-11-23 2019-02-05 Samsung Electronics Co., Ltd. Method and apparatus to enable multi-resolution CSI reporting in advanced wireless communication systems
US10873439B2 (en) * 2016-12-16 2020-12-22 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing channel state information
US10256887B2 (en) * 2017-03-23 2019-04-09 Qualcomm Incorporated Differential channel state information (CSI) reporting for higher resolution CSI
KR102597120B1 (ko) * 2017-06-08 2023-11-01 퀄컴 인코포레이티드 Nr-mimo 에서의 타입 ii csi 피드백에 대한 pmi 피드백
US10868603B2 (en) * 2018-03-09 2020-12-15 Samsung Electronics Co., Ltd. Method and apparatus to enable CSI reporting based on space-frequency compression
US11476901B2 (en) * 2018-04-27 2022-10-18 Samsung Electronics Co., Ltd. Method and apparatus to enable CSI reporting based on non-uniform space-frequency compression
US11637732B2 (en) * 2018-07-18 2023-04-25 Samsung Electronics Co., Ltd. Method and apparatus for high-resolution CSI reporting in advanced wireless communication systems
EP3817242A4 (en) * 2018-07-27 2021-08-11 LG Electronics Inc. METHOD AND DEVICE FOR REPORTING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
KR102633776B1 (ko) * 2018-11-13 2024-02-06 코닌클리케 필립스 엔.브이. 피드백 오버헤드를 줄이기 위한 방법 및 장치
US20200162142A1 (en) * 2018-11-15 2020-05-21 Samsung Electronics Co., Ltd. Method and apparatus to enable csi reporting in wireless communication systems
CN115037345A (zh) * 2019-01-09 2022-09-09 苹果公司 编码增强的ii型信道状态信息

Also Published As

Publication number Publication date
KR20210112313A (ko) 2021-09-14
EP3909148A4 (en) 2022-09-21
WO2020143699A1 (en) 2020-07-16
US20220039107A1 (en) 2022-02-03
CN113273100B (zh) 2024-05-14
EP3909148A1 (en) 2021-11-17
WO2020142974A1 (en) 2020-07-16
TW202032936A (zh) 2020-09-01
CN113273100A (zh) 2021-08-17

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