BR112015021962A2 - aparelho, e, método - Google Patents

aparelho, e, método

Info

Publication number
BR112015021962A2
BR112015021962A2 BR112015021962A BR112015021962A BR112015021962A2 BR 112015021962 A2 BR112015021962 A2 BR 112015021962A2 BR 112015021962 A BR112015021962 A BR 112015021962A BR 112015021962 A BR112015021962 A BR 112015021962A BR 112015021962 A2 BR112015021962 A2 BR 112015021962A2
Authority
BR
Brazil
Prior art keywords
coding table
coding
signal
systems
appliance
Prior art date
Application number
BR112015021962A
Other languages
English (en)
Other versions
BR112015021962B1 (pt
Inventor
Mondal Bishwarup
Visotsky Eugene
Hugl Klaus
Yang Weidong
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 BR112015021962A2 publication Critical patent/BR112015021962A2/pt
Publication of BR112015021962B1 publication Critical patent/BR112015021962B1/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
    • 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
    • H04B7/0452—Multi-user MIMO systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)

Abstract

resumo aparelho, e, método vários sistemas de comunicação podem se beneficiar de métodos e dispositivos para tabela de codificação para múltiplos transmissores. por exemplo, uma tabela de codificação para quatro transmissores (4tx) pode proporcionar aperfeiçoamento adicional para os sistemas de múltiplas entradas - múltiplas saídas de downlink (dl-mimo). um método pode incluir ponderar um sinal para transmissão com base em um precodificador selecionado de acordo com uma realimentação a partir de uma tabela de codificação, tal como as tabelas de codificação a, b, c, d, ou e, aqui descritas. o método também pode incluir enviar o sinal ponderado. 1/1
BR112015021962-4A 2013-03-08 2014-03-07 Aparelho, e, método BR112015021962B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361775284P 2013-03-08 2013-03-08
US61/775,284 2013-03-08
US201361825088P 2013-05-19 2013-05-19
US61/825,088 2013-05-19
PCT/US2014/022029 WO2014138656A2 (en) 2013-03-08 2014-03-07 Multiple transmitter codebook methods and devices

Publications (2)

Publication Number Publication Date
BR112015021962A2 true BR112015021962A2 (pt) 2017-07-18
BR112015021962B1 BR112015021962B1 (pt) 2023-03-21

Family

ID=50397303

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015021962-4A BR112015021962B1 (pt) 2013-03-08 2014-03-07 Aparelho, e, método

Country Status (6)

Country Link
US (1) US9729216B2 (pt)
EP (1) EP2965481B1 (pt)
CN (1) CN105164985B (pt)
BR (1) BR112015021962B1 (pt)
PL (1) PL2965481T3 (pt)
WO (1) WO2014138656A2 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10027388B2 (en) * 2013-04-26 2018-07-17 Intel IP Corporation Wireless transmission precoding
CN104184560A (zh) * 2013-05-24 2014-12-03 中兴通讯股份有限公司 信道状态信息反馈方法和终端
KR101995826B1 (ko) * 2014-05-15 2019-07-03 후아웨이 테크놀러지 컴퍼니 리미티드 채널 정보를 측정하고 피드백하는 방법 및 장치
CN105763237B (zh) * 2016-04-21 2019-04-16 江苏中兴微通信息科技有限公司 无线通信系统中分离型子阵列模拟波束矢量训练方法
US11082176B2 (en) * 2016-11-04 2021-08-03 Futurewei Technologies, Inc. System and method for transmitting a sub-space selection
CN110247687B (zh) * 2017-09-10 2020-10-16 华为技术有限公司 一种码本子集限制的方法、基站和计算机可读存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101291526B (zh) * 2007-04-18 2012-10-17 松下电器产业株式会社 减少信息反馈量的自适应调度方法和装置
US8693421B2 (en) * 2010-09-02 2014-04-08 Texas Instruments Incorporated Downlink 8 TX codebook sub-sampling for CSI feedback
EP2807756B1 (en) * 2012-01-23 2021-05-26 Telefonaktiebolaget LM Ericsson (publ) Method and device for selecting precoding matrices based on representations of speed of related devices
WO2013119169A2 (en) * 2012-02-08 2013-08-15 Telefonaktiebolaget L M Ericsson (Publ) Shared ack/nack messages
US8976884B2 (en) * 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US20140198868A1 (en) 2013-01-17 2014-07-17 Nokia Solutions And Networks Oy DL MIMO Precoding Enhancement

Also Published As

Publication number Publication date
WO2014138656A2 (en) 2014-09-12
PL2965481T3 (pl) 2018-10-31
CN105164985B (zh) 2018-07-06
EP2965481B1 (en) 2018-06-20
BR112015021962B1 (pt) 2023-03-21
WO2014138656A3 (en) 2014-10-30
US20160006494A1 (en) 2016-01-07
EP2965481A2 (en) 2016-01-13
US9729216B2 (en) 2017-08-08
CN105164985A (zh) 2015-12-16

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/03/2014, OBSERVADAS AS CONDICOES LEGAIS