BR112021020195A2 - Método e dispositivo de terminal para transmitir sinais de referência, programa de computador, e, produto de programa de computador - Google Patents

Método e dispositivo de terminal para transmitir sinais de referência, programa de computador, e, produto de programa de computador

Info

Publication number
BR112021020195A2
BR112021020195A2 BR112021020195A BR112021020195A BR112021020195A2 BR 112021020195 A2 BR112021020195 A2 BR 112021020195A2 BR 112021020195 A BR112021020195 A BR 112021020195A BR 112021020195 A BR112021020195 A BR 112021020195A BR 112021020195 A2 BR112021020195 A2 BR 112021020195A2
Authority
BR
Brazil
Prior art keywords
computer program
reference signals
terminal device
transmitting reference
program product
Prior art date
Application number
BR112021020195A
Other languages
English (en)
Inventor
Andreas Nilsson
Fredrik Athley
Roy Timo
Sven Petersson
Xinlin Zhang
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR112021020195A2 publication Critical patent/BR112021020195A2/pt

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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transceivers (AREA)

Abstract

método e dispositivo de terminal para transmitir sinais de referência, e, meio de armazenamento legível por computador. mecanismos para transmissão de sinais de referência são providos. um método é realizado por um dispositivo de terminal. o dispositivo de terminal é configurado para pré-codificação com base em livro de códigos. o dispositivo de terminal compreende pelo menos duas portas de antena físicas. o método compreende transmitir, em todas as portas de antena físicas, tanto sinais de referência de enlace ascendente quanto portas de antena físicas no total.
BR112021020195A 2019-04-29 2019-04-29 Método e dispositivo de terminal para transmitir sinais de referência, programa de computador, e, produto de programa de computador BR112021020195A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/060946 WO2020221424A1 (en) 2019-04-29 2019-04-29 Transmission of reference signals from a terminal device

Publications (1)

Publication Number Publication Date
BR112021020195A2 true BR112021020195A2 (pt) 2021-12-21

Family

ID=66349548

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021020195A BR112021020195A2 (pt) 2019-04-29 2019-04-29 Método e dispositivo de terminal para transmitir sinais de referência, programa de computador, e, produto de programa de computador

Country Status (4)

Country Link
US (1) US11139870B2 (pt)
EP (1) EP3963739B1 (pt)
BR (1) BR112021020195A2 (pt)
WO (1) WO2020221424A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11424975B2 (en) * 2019-10-16 2022-08-23 Qualcomm Incorporated Non-coherent waveforms for wireless communication

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2637070T3 (es) * 2010-10-19 2017-10-10 Telefonaktiebolaget Lm Ericsson (Publ) Dispositivo de antena y método para precodificar datos en un sistema de múltiple entrada múltiple salida
CN104521165B (zh) 2013-06-04 2018-05-18 华为技术有限公司 传输四天线预编码矩阵的方法、用户设备和基站
US11223394B2 (en) 2014-11-14 2022-01-11 Interdigital Patent Holdings, Inc. Antenna virtualization in two-dimensional antenna array
WO2018107068A1 (en) 2016-12-09 2018-06-14 Qualcomm Incorporated Uplink transmit diversity and precoding
US10389426B2 (en) 2017-04-25 2019-08-20 Samsung Electronics Co., Ltd. Method and apparatus for higher rank CSI reporting in advanced wireless communication systems
US10560161B2 (en) 2017-06-29 2020-02-11 Telefonaktiebolaget Lm Ericsson (Publ) High spatial resolution beam space CSI feedback
CN108111283B (zh) 2017-11-03 2021-12-14 中兴通讯股份有限公司 一种参考信号的传输方法及设备
US11546025B2 (en) * 2019-01-09 2023-01-03 Qualcomm Incorporated Precoders for multi-panel uplink transmission

Also Published As

Publication number Publication date
WO2020221424A1 (en) 2020-11-05
EP3963739A1 (en) 2022-03-09
US11139870B2 (en) 2021-10-05
US20210135719A1 (en) 2021-05-06
EP3963739B1 (en) 2024-07-10

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