PL4026255T3 - Redukcja narzutu informacji o stanie kanału dla punktu/panelu odbioru z wieloma transmisjami i komórki bez wielu wejść i wyjść - Google Patents

Redukcja narzutu informacji o stanie kanału dla punktu/panelu odbioru z wieloma transmisjami i komórki bez wielu wejść i wyjść

Info

Publication number
PL4026255T3
PL4026255T3 PL19769914.3T PL19769914T PL4026255T3 PL 4026255 T3 PL4026255 T3 PL 4026255T3 PL 19769914 T PL19769914 T PL 19769914T PL 4026255 T3 PL4026255 T3 PL 4026255T3
Authority
PL
Poland
Prior art keywords
panel
state information
channel state
cell free
reception point
Prior art date
Application number
PL19769914.3T
Other languages
English (en)
Inventor
Rana Ahmed Salem
Mihai Enescu
Youngsoo Yuk
Keeth Saliya Jayasinghe LADDU
Salah Eddine HAJRI
Original Assignee
Nokia Technologies 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 Technologies Oy filed Critical Nokia Technologies Oy
Publication of PL4026255T3 publication Critical patent/PL4026255T3/pl

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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/06—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
    • H04B7/0634—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
    • H04B7/0658—Feedback reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
PL19769914.3T 2019-09-04 2019-09-04 Redukcja narzutu informacji o stanie kanału dla punktu/panelu odbioru z wieloma transmisjami i komórki bez wielu wejść i wyjść PL4026255T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2019/057455 WO2021044190A1 (en) 2019-09-04 2019-09-04 Channel state information overhead reduction for multi-transmission reception point/panel and cell free multiple input, multiple output

Publications (1)

Publication Number Publication Date
PL4026255T3 true PL4026255T3 (pl) 2025-11-24

Family

ID=67989044

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19769914.3T PL4026255T3 (pl) 2019-09-04 2019-09-04 Redukcja narzutu informacji o stanie kanału dla punktu/panelu odbioru z wieloma transmisjami i komórki bez wielu wejść i wyjść

Country Status (5)

Country Link
US (2) US12040869B2 (pl)
EP (1) EP4026255B1 (pl)
CN (1) CN114631267B (pl)
PL (1) PL4026255T3 (pl)
WO (1) WO2021044190A1 (pl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4026255B1 (en) * 2019-09-04 2025-09-17 Nokia Technologies Oy Channel state information overhead reduction for multi-transmission reception point/panel and cell free multiple input, multiple output
EP4042583A4 (en) * 2019-10-08 2022-10-19 Telefonaktiebolaget Lm Ericsson (Publ) METHODS, UE AND APU FOR MANAGING DATA TRANSMISSIONS IN A DISTRIBUTED MIMO SYSTEM
CN114902578A (zh) * 2020-02-06 2022-08-12 联发科技（新加坡）私人有限公司 信道状态信息报告的方法和装置
EP4201156A4 (en) 2021-03-18 2024-03-13 Samsung Electronics Co., Ltd. MULTIPLE RECEPTION/TRANSMISSION POINT (TRP) SYSTEM AND ITS METHOD
CN117957789A (zh) * 2021-07-14 2024-04-30 弗劳恩霍夫应用研究促进协会 用于在无线通信网络中联合传输的csi报告的方法和装置
US20240323735A1 (en) * 2021-07-23 2024-09-26 Samsung Electronics Co., Ltd. Method and apparatus for full-duplex wireless communication systems
EP4505618A1 (en) * 2022-04-01 2025-02-12 Interdigital Patent Holdings, Inc. Coherent joint transmission csi reporting associated with fdd
GB2630516A (en) * 2022-04-29 2024-11-27 Lenovo Beijing Ltd Methods and apparatus of codebook enhancement for coherent joint transmission
CN119605090A (zh) * 2022-07-18 2025-03-11 上海诺基亚贝尔股份有限公司 启用无小区多输入多输出传输的解决方案和信令
WO2024216993A1 (en) * 2023-12-04 2024-10-24 Zte Corporation Systems and methods for enhanced channel state information for frequency division duplex multiple-input-multiple-output

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2498530A1 (en) * 2011-03-10 2012-09-12 NTT DoCoMo, Inc. Method for coordinated multipoint (CoMP) transmission/reception in wireless communication networks with reconfiguration capability
US9893777B2 (en) * 2014-11-17 2018-02-13 Samsung Electronics Co., Ltd. Method and apparatus for precoding channel state information reference signal
US10219259B2 (en) * 2016-05-13 2019-02-26 Qualcomm Incorporated Uplink-based cell selection
US10420109B2 (en) * 2017-04-13 2019-09-17 Futurewei Technologies, Inc. System and method for providing explicit feedback in communications systems with multi-point connectivity
KR102488581B1 (ko) * 2017-09-12 2023-01-13 삼성전자 주식회사 채널상태정보 보고를 위한 상향링크 컨트롤 정보 맵핑 방법 및 장치
US10958326B2 (en) * 2018-02-16 2021-03-23 Samsung Electronics Co., Ltd. Method and apparatus for resource-based CSI acquisition in advanced wireless communication systems
US11503619B2 (en) * 2018-07-06 2022-11-15 Qualcomm Incorporated Feedback for multi-point communications
EP4026255B1 (en) * 2019-09-04 2025-09-17 Nokia Technologies Oy Channel state information overhead reduction for multi-transmission reception point/panel and cell free multiple input, multiple output

Also Published As

Publication number Publication date
CN114631267B (zh) 2025-10-03
US20240235641A1 (en) 2024-07-11
US12040869B2 (en) 2024-07-16
US20220329304A1 (en) 2022-10-13
CN114631267A (zh) 2022-06-14
EP4026255B1 (en) 2025-09-17
EP4026255C0 (en) 2025-09-17
EP4026255A1 (en) 2022-07-13
WO2021044190A1 (en) 2021-03-11
US12308919B2 (en) 2025-05-20

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