BR112017005953A2 - nó de rede, equipamento de usuário e métodos no mesmo para permitir que o ue determine um livro-código de pré-codificador - Google Patents

nó de rede, equipamento de usuário e métodos no mesmo para permitir que o ue determine um livro-código de pré-codificador

Info

Publication number
BR112017005953A2
BR112017005953A2 BR112017005953A BR112017005953A BR112017005953A2 BR 112017005953 A2 BR112017005953 A2 BR 112017005953A2 BR 112017005953 A BR112017005953 A BR 112017005953A BR 112017005953 A BR112017005953 A BR 112017005953A BR 112017005953 A2 BR112017005953 A2 BR 112017005953A2
Authority
BR
Brazil
Prior art keywords
user
allow
antenna ports
codebook
methods
Prior art date
Application number
BR112017005953A
Other languages
English (en)
Other versions
BR112017005953B8 (pt
BR112017005953B1 (pt
Inventor
Jöngren George
Wernersson Niklas
Faxér Sebastian
JÄRMYR Simon
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 BR112017005953A2 publication Critical patent/BR112017005953A2/pt
Publication of BR112017005953B1 publication Critical patent/BR112017005953B1/pt
Publication of BR112017005953B8 publication Critical patent/BR112017005953B8/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
    • H04B7/0413—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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • H04L25/0391—Spatial equalizers codebook-based design construction details of matrices
    • 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
    • H04B7/0697—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 spatial multiplexing

Landscapes

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

Abstract

um método executado por uma estação base de permitir que um equipamento de usuário, ue, determine um livro-código de pré-codificador em um sistema de comunicação sem fio é fornecido. a estação base transmite (303) para o ue, informações referentes a parâmetros de pré-codificador que permitem ao ue determinar o livro-código de pré-codificador. os parâmetros de pré-codificador são associados a uma pluralidade de portas de antena da estação base. os parâmetros de pré-codificador se referem a uma primeira dimensão e uma segunda dimensão do livro-código de pré-codificador. a pluralidade de portas de antena compreende um número nt de portas de antena que é uma função de um número nh de portas de antena na primeira dimensão, e um número nv de portas de antena na segunda dimensão.
BR112017005953A 2014-09-25 2015-09-24 Método executado por uma estação base para permitir um equipamento de usuário a determinar um livro-código de pré-codificador e estação base relacionada, método executado por um equipamento de usuário para determinar um livro-código de pré-codificador e equipamento de usuário relacionado BR112017005953B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462055350P 2014-09-25 2014-09-25
US62/055,350 2014-09-25
PCT/SE2015/051000 WO2016048223A1 (en) 2014-09-25 2015-09-24 Network node, user equipment and methods therein to enable the ue to determine a precoder codebook

Publications (3)

Publication Number Publication Date
BR112017005953A2 true BR112017005953A2 (pt) 2017-12-19
BR112017005953B1 BR112017005953B1 (pt) 2023-09-26
BR112017005953B8 BR112017005953B8 (pt) 2023-10-10

Family

ID=54293304

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017005953A BR112017005953B8 (pt) 2014-09-25 2015-09-24 Método executado por uma estação base para permitir um equipamento de usuário a determinar um livro-código de pré-codificador e estação base relacionada, método executado por um equipamento de usuário para determinar um livro-código de pré-codificador e equipamento de usuário relacionado

Country Status (10)

Country Link
US (4) US10181884B2 (pt)
EP (3) EP3198742B1 (pt)
CN (1) CN107078773B (pt)
AR (1) AR102075A1 (pt)
BR (1) BR112017005953B8 (pt)
DK (2) DK3940965T3 (pt)
ES (2) ES2898201T3 (pt)
MY (1) MY179581A (pt)
PL (1) PL3940965T3 (pt)
WO (1) WO2016048223A1 (pt)

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Also Published As

Publication number Publication date
ES2939705T3 (es) 2023-04-26
CN107078773B (zh) 2020-11-17
EP3198742A1 (en) 2017-08-02
US20200153489A1 (en) 2020-05-14
CN107078773A (zh) 2017-08-18
BR112017005953B8 (pt) 2023-10-10
BR112017005953B1 (pt) 2023-09-26
EP3198742B1 (en) 2021-09-15
AR102075A1 (es) 2017-02-01
WO2016048223A1 (en) 2016-03-31
US10581498B2 (en) 2020-03-03
MY179581A (en) 2020-11-11
US10181884B2 (en) 2019-01-15
EP3940965A1 (en) 2022-01-19
US20190097699A1 (en) 2019-03-28
ES2898201T3 (es) 2022-03-04
PL3940965T3 (pl) 2023-05-02
EP4199371A1 (en) 2023-06-21
US11595088B2 (en) 2023-02-28
EP3940965B1 (en) 2022-12-14
US20170250743A1 (en) 2017-08-31
US11121749B2 (en) 2021-09-14
US20210367646A1 (en) 2021-11-25
DK3198742T3 (da) 2021-10-04
DK3940965T3 (da) 2023-01-30

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