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 (fr) 2019-01-10 2019-01-10 Rétroaction pour informations d'état de canal de type ii
PCT/CN2020/071081 WO2020143699A1 (fr) 2019-01-10 2020-01-09 Rétroaction pour informations d'état de canal de type ii

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 (fr)
EP (1) EP3909148A4 (fr)
KR (1) KR20210112313A (fr)
CN (1) CN113273100B (fr)
SG (1) SG11202105993XA (fr)
WO (2) WO2020142974A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220123806A1 (en) * 2019-01-11 2022-04-21 Datang Mobile Communications Equipment Co., Ltd. Methods for sending and receiving channel state information, terminal device and network device
JP7337181B2 (ja) * 2019-02-15 2023-09-01 中興通訊股▲ふん▼有限公司 無線通信におけるチャネル状態情報フィードバック
EP3966951A1 (fr) * 2019-05-07 2022-03-16 Nokia Technologies Oy Appareil, procédé et programme informatique
WO2022094821A1 (fr) * 2020-11-04 2022-05-12 华为技术有限公司 Procédé d'indication d'une matrice de précodage, équipement utilisateur et dispositif d'accès
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 (fr) * 2022-04-29 2023-11-02 Qualcomm Incorporated Rapport de retour d'informations d'état de canal de type ii de transmission conjointe cohérente
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 (fr) * 2022-11-04 2024-05-10 Qualcomm Incorporated Table de bits de sélection de coefficients non nuls réduite pour des informations d'état de canal de domaine temporel
WO2024092833A1 (fr) * 2022-11-04 2024-05-10 北京小米移动软件有限公司 Procédé de détermination d'informations d'état de canal (csi), et appareil

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
WO2018029647A1 (fr) * 2016-08-12 2018-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Livre de codes configurable pour réduction de la surcharge de renvoi de csi avancées
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
CN110710175B (zh) * 2017-06-08 2022-04-01 高通股份有限公司 用于pmi反馈的方法和装置
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
WO2020022856A1 (fr) * 2018-07-27 2020-01-30 엘지전자 주식회사 Procédé et appareil de rapport d'informations d'état de canal dans un système de communication sans fil
CN112514278A (zh) * 2018-11-13 2021-03-16 弗劳恩霍夫应用研究促进协会 用于减少反馈开销的方法和装置
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
EP3909148A1 (fr) 2021-11-17
KR20210112313A (ko) 2021-09-14
WO2020143699A1 (fr) 2020-07-16
CN113273100B (zh) 2024-05-14
TW202032936A (zh) 2020-09-01
CN113273100A (zh) 2021-08-17
WO2020142974A1 (fr) 2020-07-16
US20220039107A1 (en) 2022-02-03
EP3909148A4 (fr) 2022-09-21

Similar Documents

Publication Publication Date Title
SG11202105993XA (en) Feedback for type ii channel state information
GB2583323B (en) Semi-persistent channel state information report
EP3639430A4 (fr) Rétroaction d'informations d'état de canal pour signalisation de commande de liaison montante flexible
EP3850900A4 (fr) Conception de canal de liaison latérale v2x
EP3238349A4 (fr) Techniques de rétroaction d'informations d'état de canal pour fd-mimo
SG11202013151QA (en) Group-common control information
EP3980983A4 (fr) Vidéos de compilation personnalisées
EP3619936A4 (fr) Configuration de bande partielle pour informations d'état de canal
EP3918834A4 (fr) Retour d'état de canal hybride
SG11202106265QA (en) Feedback for sidelink communications
EP3580981A4 (fr) Canal de commande commun de groupe
EP3777383A4 (fr) Réduction des surcharges pour informations d'état de canal
EP3892015A4 (fr) Rétroaction de sous-ensemble de base pour l'amélioration d'informations d'état de canal
ZA201904919B (en) Dynamic indication for channel state information feedback
PL3949146T3 (pl) Informacje o stanie kanału na podstawie prekodera wielowiązkowego
EP3998844A4 (fr) Tringle à canal
EP3639404A4 (fr) Rétroaction d'informations d'état de canal pour des schémas à boucle semi-ouverte et à boucle ouverte
EP4062562A4 (fr) Compression de retour d'informations d'état de canal
EP4104584A4 (fr) Techniques de simplification de rétroaction d'informations d'état de canal
SG11202109502WA (en) Two stage control channel for peer-to-peer communication
EP4008060C0 (fr) Construction de canal pour canal mimo non sondé
EP3857947A4 (fr) Calcul de rapport d'informations d'état de canal
GB2589723B (en) Sliding member
GB2589722B (en) Sliding member
CA195343S (en) Slider