CN113508538B - 描绘每路径角度和延迟信息的信道状态信息（csi）反馈增强 - Google Patents

描绘每路径角度和延迟信息的信道状态信息（csi）反馈增强 Download PDF

Info

Publication number
CN113508538B
CN113508538B CN202080004226.2A CN202080004226A CN113508538B CN 113508538 B CN113508538 B CN 113508538B CN 202080004226 A CN202080004226 A CN 202080004226A CN 113508538 B CN113508538 B CN 113508538B
Authority
CN
China
Prior art keywords
channel
matrix
channel matrix
dominant
paths
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202080004226.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN113508538A (zh
Inventor
刘皓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Shanghai Bell Co Ltd
Nokia Solutions and Networks Oy
Original Assignee
Nokia Shanghai Bell Co Ltd
Nokia Solutions and Networks Oy
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 Nokia Shanghai Bell Co Ltd, Nokia Solutions and Networks Oy filed Critical Nokia Shanghai Bell Co Ltd
Publication of CN113508538A publication Critical patent/CN113508538A/zh
Application granted granted Critical
Publication of CN113508538B publication Critical patent/CN113508538B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CN202080004226.2A 2020-02-05 2020-02-05 描绘每路径角度和延迟信息的信道状态信息（csi）反馈增强 Active CN113508538B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/074358 WO2021155514A1 (fr) 2020-02-05 2020-02-05 Amélioration d'un retour d'informations d'état de canal (csi) représentant des informations sur des angles et des retards par trajet

Publications (2)

Publication Number Publication Date
CN113508538A CN113508538A (zh) 2021-10-15
CN113508538B true CN113508538B (zh) 2023-06-23

Family

ID=77199633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080004226.2A Active CN113508538B (zh) 2020-02-05 2020-02-05 描绘每路径角度和延迟信息的信道状态信息（csi）反馈增强

Country Status (2)

Country Link
CN (1) CN113508538B (fr)
WO (1) WO2021155514A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102415002A (zh) * 2009-04-24 2012-04-11 瑞典爱立信有限公司 来自稀疏反馈数据的信道状态信息重构
WO2019066676A1 (fr) * 2017-09-28 2019-04-04 Huawei Technologies Co., Ltd Dispositif et procédé de compression et/ou de décompression d'informations d'état de canal
WO2019237344A1 (fr) * 2018-06-15 2019-12-19 Qualcomm Incorporated Compression commune dans le domaine spatial et dans le domaine spatial d'une rétroaction d'informations csi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019069128A1 (fr) * 2017-10-02 2019-04-11 Lenovo (Singapore) Pte. Ltd. Procédé et appareil d'utilisation d'une matrice de compression déterminée pour former un ensemble de faisceaux composites
US10797913B2 (en) * 2018-01-22 2020-10-06 Samsung Electronics Co., Ltd. Reciprocity based FDD FD-MIMO DL channel CSI acquisition
CN110535498B (zh) * 2018-12-28 2022-10-18 中兴通讯股份有限公司 信道状态信息csi反馈方法及设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102415002A (zh) * 2009-04-24 2012-04-11 瑞典爱立信有限公司 来自稀疏反馈数据的信道状态信息重构
WO2019066676A1 (fr) * 2017-09-28 2019-04-04 Huawei Technologies Co., Ltd Dispositif et procédé de compression et/ou de décompression d'informations d'état de canal
WO2019237344A1 (fr) * 2018-06-15 2019-12-19 Qualcomm Incorporated Compression commune dans le domaine spatial et dans le domaine spatial d'une rétroaction d'informations csi

Also Published As

Publication number Publication date
WO2021155514A1 (fr) 2021-08-12
CN113508538A (zh) 2021-10-15

Similar Documents

Publication Publication Date Title
US11211988B2 (en) Method for determining precoding matrix indicator, receiving device, and sending device
EP3609086B1 (fr) Appareils et procédés de conception d'un guide de codification spécifique d'un équipement d'utilisateur
US11522586B2 (en) Apparatuses and methods for non-linear precoding
WO2020064119A1 (fr) Diversité de faisceau pour canal de communication à intervalles multiples
WO2015147814A1 (fr) Rétroaction de fonction de base de formation de faisceau par radiofréquence
US11316570B2 (en) Apparatuses and methods for non-linear precoding
US10778293B2 (en) Methods and apparatuses for dynamic transmit diversity fallback
US10461823B2 (en) Aperture constraint for new radio uplink multiple-input multiple-output
US20210385828A1 (en) Dynamic channel state information reference signals (csi-rs) resource mapping configuration for precoded channel state information reference signals (csi-rs) configurations
CN113508538B (zh) 描绘每路径角度和延迟信息的信道状态信息（csi）反馈增强
US10498410B2 (en) Methods and apparatuses for transmit weights
CN114826522B (zh) 一种通信方法及装置
US11770735B2 (en) Overhead reduction in channel state information feedback
CN102647218A (zh) 处理多输入多输出预编码的测地内插的方法及其通讯装置
CN111587543A (zh) 信道状态信息矩阵信息处理方法及通信装置
WO2023039843A1 (fr) Procédé et appareil de gestion de faisceau
US20230113496A1 (en) Co-polarized transmission and port selection
WO2023202772A1 (fr) Traitement de récepteur de liaison montante dans des systèmes massifs à entrées multiples et sorties multiples multi-utilisateurs extrêmes
KR20230071765A (ko) 통신 시스템에서 신호 송수신 방법 및 장치
KR20230095035A (ko) 통신 시스템에서 신호 송수신 방법 및 장치
WO2021028612A2 (fr) Suivi d'évanouissement à petite échelle à un seul bit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant