BRPI1008731A2 - método e sistema para atribuir sinais de referência em um contexto de múltiplas antenas - Google Patents

método e sistema para atribuir sinais de referência em um contexto de múltiplas antenas

Info

Publication number
BRPI1008731A2
BRPI1008731A2 BRPI1008731A BRPI1008731A BRPI1008731A2 BR PI1008731 A2 BRPI1008731 A2 BR PI1008731A2 BR PI1008731 A BRPI1008731 A BR PI1008731A BR PI1008731 A BRPI1008731 A BR PI1008731A BR PI1008731 A2 BRPI1008731 A2 BR PI1008731A2
Authority
BR
Brazil
Prior art keywords
reference signals
multiple antenna
assigning reference
context
antenna context
Prior art date
Application number
BRPI1008731A
Other languages
English (en)
Inventor
Jianghua Liu
Mattias Wennstrom
Robert Safavi Anahid
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BRPI1008731A2 publication Critical patent/BRPI1008731A2/pt
Publication of BRPI1008731B1 publication Critical patent/BRPI1008731B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
BRPI1008731-1A 2009-06-22 2010-02-15 método e sistema operável para atribuir sinais de referência a antenas e nós em um sistema de comunicação sem fio BRPI1008731B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2009/072388 2009-06-22
PCT/CN2009/072388 WO2010148550A1 (en) 2009-06-22 2009-06-22 A method and system for assigning reference signals in multi antenna context
PCT/IB2010/000638 WO2010150057A1 (en) 2009-06-22 2010-02-15 A method and system for assigning reference signals in a multi-antenna context

Publications (2)

Publication Number Publication Date
BRPI1008731A2 true BRPI1008731A2 (pt) 2016-03-08
BRPI1008731B1 BRPI1008731B1 (pt) 2021-01-26

Family

ID=43385860

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1008731-1A BRPI1008731B1 (pt) 2009-06-22 2010-02-15 método e sistema operável para atribuir sinais de referência a antenas e nós em um sistema de comunicação sem fio

Country Status (4)

Country Link
US (1) US8588206B2 (pt)
EP (1) EP2384591A4 (pt)
BR (1) BRPI1008731B1 (pt)
WO (2) WO2010148550A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2899441T3 (es) * 2010-05-04 2022-03-11 Lg Electronics Inc Método y aparato para transmitir una señal de referencia en un sistema de comunicación inalámbrica
CN101854712A (zh) * 2010-06-18 2010-10-06 华为技术有限公司 天线间功率平衡方法及装置、基站
EP2781068A1 (en) * 2011-11-14 2014-09-24 Telefonaktiebolaget LM Ericsson (publ) A user equipment, a radio base station, rbs, and methods therein for transmitting a subframe comprising at least two reference signals, rss, to the rbs
US8681727B2 (en) 2012-01-20 2014-03-25 Nokia Corporation Flexible radio channel sounding
US8797988B2 (en) * 2012-03-02 2014-08-05 Nokia Siemens Networks Oy Resource allocation methods and use thereof for sounding reference signals in uplink
CN107078836B (zh) * 2014-11-25 2019-11-19 华为技术有限公司 一种导频信号的生成方法及装置
EP3119023A1 (en) * 2015-07-16 2017-01-18 Alcatel Lucent Methods for multiplexing and assigning upink reference signals in a radio communication system with a first network node and a second network node
US10715222B2 (en) 2016-06-23 2020-07-14 Sony Mobile Communications Inc. Multi-input multi-output pilot signals
WO2018026209A1 (ko) * 2016-08-03 2018-02-08 엘지전자 주식회사 무선 통신 시스템에서 신호 송신 방법 및 이를 위한 장치
US10374768B2 (en) 2017-10-02 2019-08-06 Telefonaktiebolaget Lm Ericsson (Publ) Efficient SRS resource indication methods
US10924240B2 (en) * 2019-03-26 2021-02-16 Qualcomm Incorporated Sounding reference signal transmission to indicate a virtual antenna port
US11533088B2 (en) * 2020-07-23 2022-12-20 Qualcomm Incorporated Cross-interface interference management

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2613466A3 (en) 2004-07-07 2014-03-26 Samsung Electronics Co., Ltd Apparatus and method for transmitting a pilot signal in a BWA communication system using transmit antennas
US7965687B2 (en) * 2005-12-15 2011-06-21 Sasken Communications Technologies Method and system for multiple-input-multiple-output (MIMO) communication in a wireless network
CN101421958B (zh) * 2006-04-12 2012-10-24 Lg电子株式会社 在mimo系统中分配基准信号的方法
JP4744351B2 (ja) * 2006-04-28 2011-08-10 富士通株式会社 無線送信局及び無線受信局
US8102931B2 (en) * 2006-09-29 2012-01-24 Apple Inc. Method and device for operating a precoded MIMO system
JP5074007B2 (ja) * 2006-11-01 2012-11-14 株式会社エヌ・ティ・ティ・ドコモ ユーザ端末装置及び基地局装置
GB2459058B (en) * 2007-02-02 2011-10-26 Lg Electronics Inc Antenna switching method and method for transmitting and receiving signals for the same
US8824420B2 (en) * 2007-03-22 2014-09-02 Mitsubishi Electric Research Laboratories, Inc. Method and system for generating antenna selection signals in OFDM tranceivers with fewer RF chains than antennas in MIMO wireless networks
US8290079B2 (en) * 2007-04-19 2012-10-16 Interdigital Technology Corporation Method and apparatus for precoding validation in wireless communications
KR101491964B1 (ko) 2007-07-30 2015-03-09 삼성전자주식회사 통신 시스템에서 서로 다른 신호 타입을 송수신하는 방법 및 시스템
US8467367B2 (en) * 2007-08-06 2013-06-18 Qualcomm Incorporated Multiplexing and transmission of traffic data and control information in a wireless communication system

Also Published As

Publication number Publication date
US8588206B2 (en) 2013-11-19
US20110286548A1 (en) 2011-11-24
WO2010148550A1 (en) 2010-12-29
WO2010150057A1 (en) 2010-12-29
EP2384591A4 (en) 2012-06-06
EP2384591A1 (en) 2011-11-09
BRPI1008731B1 (pt) 2021-01-26

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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]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04W 16/00

Ipc: H04L 5/00 (1968.09), H04L 27/26 (1968.09)

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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 26/01/2021, OBSERVADAS AS CONDICOES LEGAIS.