BRPI0921047A2 - estimativa de complexidade de canal para receptor de enlace ascendente - Google Patents

estimativa de complexidade de canal para receptor de enlace ascendente

Info

Publication number
BRPI0921047A2
BRPI0921047A2 BRPI0921047A BRPI0921047A BRPI0921047A2 BR PI0921047 A2 BRPI0921047 A2 BR PI0921047A2 BR PI0921047 A BRPI0921047 A BR PI0921047A BR PI0921047 A BRPI0921047 A BR PI0921047A BR PI0921047 A2 BRPI0921047 A2 BR PI0921047A2
Authority
BR
Brazil
Prior art keywords
uplink receiver
complexity estimation
channel complexity
channel
estimation
Prior art date
Application number
BRPI0921047A
Other languages
English (en)
Inventor
Ed Illidge
Gary Boudreau
John P Panicker
Michael Petras
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0921047A2 publication Critical patent/BRPI0921047A2/pt

Links

Classifications

    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
BRPI0921047A 2008-11-13 2009-11-13 estimativa de complexidade de canal para receptor de enlace ascendente BRPI0921047A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11434608P 2008-11-13 2008-11-13
US12255308P 2008-12-15 2008-12-15
US15164409P 2009-02-11 2009-02-11
PCT/IB2009/007687 WO2010055420A2 (en) 2008-11-13 2009-11-13 Reduced complexity channel estimation for uplink receiver

Publications (1)

Publication Number Publication Date
BRPI0921047A2 true BRPI0921047A2 (pt) 2015-12-29

Family

ID=42170471

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921047A BRPI0921047A2 (pt) 2008-11-13 2009-11-13 estimativa de complexidade de canal para receptor de enlace ascendente

Country Status (9)

Country Link
US (2) US8848764B2 (pt)
EP (1) EP2353317A4 (pt)
JP (1) JP5362845B2 (pt)
KR (1) KR101629529B1 (pt)
CN (1) CN102232308B (pt)
BR (1) BRPI0921047A2 (pt)
CA (1) CA2743442A1 (pt)
RU (1) RU2011123469A (pt)
WO (1) WO2010055420A2 (pt)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5362845B2 (ja) * 2008-11-13 2013-12-11 ノーテル・ネットワークス・リミテッド アップリンク受信機のための低複雑性チャネル推定
KR101644881B1 (ko) * 2009-04-10 2016-08-03 엘지전자 주식회사 무선 이동 통신 시스템에 있어서, 사용자 기기의 위치를 결정하기 위한 방법 및 이를 수행하기 위한 장치
JP5655790B2 (ja) * 2009-11-13 2015-01-21 日本電気株式会社 周波数オフセット推定方法と通信装置及び無線通信システム並びにプログラム
JP5801310B2 (ja) * 2010-01-07 2015-10-28 レノボ・イノベーションズ・リミテッド（香港） Ｏｆｄｍ装置のチャネル予測
KR101789621B1 (ko) * 2010-01-19 2017-10-25 엘지전자 주식회사 하향링크 데이터 전송방법 및 기지국과, 하향링크 데이터 수신방법 및 사용자기기
US8559567B1 (en) * 2010-02-05 2013-10-15 Marvell International Ltd. Channel estimation using reduced-complexity cascaded one-dimensional filtering
CN102158437B (zh) * 2010-02-11 2014-07-02 富士通株式会社 信道频域相关性计算设备及方法
CN102082595B (zh) * 2010-04-30 2013-08-07 电信科学技术研究院 一种配置dmrs的方法、装置及系统
US9100228B2 (en) 2010-06-16 2015-08-04 Avago Technologies General Ip (Singapore) Pte. Ltd. Long term evolution (LTE) uplink canonical channel estimation
KR101622798B1 (ko) * 2011-02-11 2016-05-20 삼성전자주식회사 무선 통신 시스템에서 채널 추정 방법 및 장치
US20140086368A1 (en) * 2011-05-10 2014-03-27 Ntt Docomo, Inc. Receiver, receiving method and computer program
WO2013066224A1 (en) * 2011-11-03 2013-05-10 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation using reference signals
US9078205B2 (en) * 2012-03-09 2015-07-07 Qualcomm Incorporated Methods and apparatus for enabling non-destaggered channel estimation
CN103368876A (zh) * 2012-03-31 2013-10-23 富士通株式会社 信道估计方法和设备
CN103051572B (zh) * 2013-01-04 2016-03-16 北京北方烽火科技有限公司 一种lte信道估计方法和装置
CN104080180B (zh) * 2013-03-29 2018-08-21 上海诺基亚贝尔股份有限公司 缩减的dmrs配置以及自适应选择dmrs配置的方法和装置
US10313913B2 (en) * 2013-05-09 2019-06-04 Qualcomm Incorporated Overload control and supervision for wireless devices
WO2015053584A1 (ko) * 2013-10-10 2015-04-16 엘지전자 주식회사 무선 통신 시스템에서 상향링크 송신 자원을 관리하는 방법 및 이를 위한 장치
US9253771B2 (en) * 2014-03-28 2016-02-02 Intel IP Corporation User equipment-designed demodulation reference signal pattern book
CN111371539B (zh) * 2014-10-10 2022-11-29 瑞典爱立信有限公司 控制基于csi-rs的信道估计的方法、基站和介质
CN104486266B (zh) * 2014-12-12 2018-07-03 北京思朗科技有限责任公司 一种基于mimo-ofdm系统的信道估计方法及装置
FR3038801B1 (fr) * 2015-07-09 2017-07-21 Stmicroelectronics Rousset Procede d'estimation d'un canal de transmission temporellement invariant, et recepteur correspondant
CN106713188B (zh) * 2015-11-13 2020-05-29 中兴通讯股份有限公司 信道响应的获取方法和装置
CN112398763B (zh) * 2019-08-19 2024-08-30 三星电子株式会社 信道估计系统及其方法
US11153123B2 (en) 2019-08-19 2021-10-19 Samsung Electronics Co., Ltd. System and method for providing first arrival path (FAP) and delay spread estimation (DSE) in wireless communication system
KR102790783B1 (ko) 2019-12-26 2025-04-07 한국전자통신연구원 고속 모바일 수신환경에서의 잡음 레벨 보정을 이용한 채널 복호화 방법 및 이를 위한 장치
US11277284B2 (en) 2020-04-03 2022-03-15 Samsung Electronics Co., Ltd. PDP estimation for bundle-based channel estimation via learning approach
CN112019462B (zh) * 2020-08-12 2023-05-23 北京遥感设备研究所 一种nr pucch优化接收方法及系统
US11924666B2 (en) * 2021-01-13 2024-03-05 Qualcomm Incorporated Techniques for demodulation reference signal based signal-to-noise ratio for demodulation processing
CN114244655B (zh) * 2021-12-16 2023-09-12 哲库科技(北京)有限公司 信号处理方法及相关装置
CN115913420B (zh) * 2022-12-23 2025-04-18 深圳国人无线通信有限公司 5g小基站系统中基于srs的snr估计方法和装置
CN116668241A (zh) * 2023-06-15 2023-08-29 复旦大学 一种基于ar模型的迭代mmse信道估计方法
CN121037959B (zh) * 2025-10-23 2026-02-17 海南水之声海洋科技有限公司 基于mmse信噪比估计下的分档功率控制方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US6563861B1 (en) * 1999-03-22 2003-05-13 Ericsson, Inc. Doppler spread estimation system
US6611794B1 (en) * 2000-04-20 2003-08-26 Southwest Research Institute Signal amplitude restoration apparatus and method
FR2814011B1 (fr) * 2000-09-14 2003-10-24 France Telecom Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant
BR0208208A (pt) 2001-03-28 2006-12-12 Nokia Corp método e aparelho para codificar os sinais em salto de fase e especial temporal para transmissão por uma pluralidade de antenas
JP4490265B2 (ja) * 2002-07-24 2010-06-23 ビーエイイー・システムズ・インフォメーション・アンド・エレクトロニック・システムズ・インテグレイション・インコーポレーテッド 同一チャネル干渉受信機
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7433433B2 (en) * 2003-11-13 2008-10-07 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation by adaptive interpolation
FR2863422A1 (fr) * 2003-12-04 2005-06-10 France Telecom Procede d'emission multi-antennes d'un signal precode lineairement,procede de reception, signal et dispositifs correspondants
KR100635534B1 (ko) * 2004-06-28 2006-10-17 전자부품연구원 고속 이동 환경을 위한 하이브리드 채널 추정 방법 및시스템
KR100918747B1 (ko) 2006-02-07 2009-09-24 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 상향링크 신호 송신 장치 및 방법
WO2007112489A1 (en) * 2006-04-03 2007-10-11 National Ict Australia Limited Channel estimation for rapid dispersive fading channels
WO2007129990A1 (en) * 2006-05-04 2007-11-15 Agency For Science, Technology And Research Method and system for determining a signal vector
US8116242B2 (en) * 2006-07-18 2012-02-14 Motorola Mobility, Inc. Receiver having multi-antenna log likelihood ratio generation with channel estimation error
US7848468B2 (en) 2007-03-08 2010-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive pilot symbol allocation method and apparatus
EP2031760B1 (en) * 2007-08-31 2014-02-26 Mitsubishi Electric R&D Centre Europe B.V. Method for estimating, in a communication system, the level of interference plus noise affecting received signals representative of a set of received pilot symbols
US7978776B2 (en) * 2008-01-16 2011-07-12 Southern Taiwan University Of Technology Channel estimation device and related method of an orthogonal frequency division multiplexing system
JP5362845B2 (ja) * 2008-11-13 2013-12-11 ノーテル・ネットワークス・リミテッド アップリンク受信機のための低複雑性チャネル推定
EP2351443A4 (en) * 2008-11-13 2016-06-08 Apple Inc METHOD AND SYSTEM FOR REDUCED COMPLEXITY CHANNEL ESTIMATION AND V-MIMO DEMODULATION INTERFERENCE REMOVAL

Also Published As

Publication number Publication date
EP2353317A4 (en) 2015-12-23
US8861569B2 (en) 2014-10-14
RU2011123469A (ru) 2012-12-20
JP5362845B2 (ja) 2013-12-11
WO2010055420A3 (en) 2010-08-12
KR20110088568A (ko) 2011-08-03
CN102232308B (zh) 2014-12-24
CA2743442A1 (en) 2010-05-20
JP2012509042A (ja) 2012-04-12
CN102232308A (zh) 2011-11-02
EP2353317A2 (en) 2011-08-10
US8848764B2 (en) 2014-09-30
US20130182746A1 (en) 2013-07-18
KR101629529B1 (ko) 2016-06-13
WO2010055420A2 (en) 2010-05-20
US20110286499A1 (en) 2011-11-24

Similar Documents

Publication Publication Date Title
BRPI0921047A2 (pt) estimativa de complexidade de canal para receptor de enlace ascendente
BR112012006378A2 (pt) sinalização e estimativa de canal para diversividade de transmissão de enlace ascendente
BRPI0915620A2 (pt) método para transmitir sinal de referência de sondagem de canal de uplink
BR112012006997A2 (pt) alocação de recurso de canal de controle de enlace ascendente para diversidade de transmissão
BRPI0822120A2 (pt) Alocação de recursos para uplink melhorado utilizando um canal indicador de aquisição
BRPI0908814A2 (pt) Sinalização de transmissão descontínua através de canal de controle de uplink
BRPI1006169A2 (pt) receptor de imagem
EP2583530A4 (en) ESTIMATE A CHANNEL WITH LOW LATENCY FOR DOWNLINK MIMO
FI3739786T3 (fi) Menetelmä nousevan siirtosuunnan signaalien lähettämiseksi
BRPI0816786A2 (pt) Canal
BRPI0821095A2 (pt) Ajuste de receptor entre rajadas de piloto
BRPI0814947A2 (pt) Solitação de uplink
DK2422455T3 (da) Effektiv uplink-transmission af kanaltilstandsinformationer
BRPI0924222A2 (pt) método e equipamento para estimação de canal usando múltiplos códigos de descrição
LT2329675T (lt) Optimizuotas aukštynkrypčio ryšio signalizavimo valdymas, skirtas išplėstam dažnių juostos pločiui
EP2286169A4 (en) CHANNEL SYSTEM
EP4213566C0 (en) DOWNLINK MULTIPLEXING
BRPI0821764A2 (pt) Equipamentos e métodos para sincronização de sincronismo de enlace ascendente
BRPI0816819A2 (pt) Método e equipamento para habilitar comutação rápida de canal com memória limitada de receptor de dvb
EP2454901A4 (en) CHOOSE FROM SEVERAL CHANNEL ESTIMATION TECHNIQUES
BR112012006373A2 (pt) design de sinal de referência para canal de transmissão de sinal de alta ordem mimo
EP2321610A4 (en) CHANNEL SYSTEM
BRPI0920366A2 (pt) aparelho receptor de difusão
BRPI1009782A2 (pt) comunicação de enlace descendente.
BRPI0919959A2 (pt) técnicas de relé apropriadas para um equipamento de usuário em enlace descendente

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: ROCKSTAR BIDCO, LP (US)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 3A ANUIDADE.

B08G Application fees: restoration [chapter 8.7 patent gazette]
B25A Requested transfer of rights approved

Owner name: 2256355 ONTARIO LIMITED (CA)

B25A Requested transfer of rights approved

Owner name: RESEARCH IN MOTION LIMITED (CA)

B25D Requested change of name of applicant approved

Owner name: BLACKBERRY LIMITED (CA)

B25G Requested change of headquarter approved

Owner name: BLACKBERRY LIMITED (CA)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2493 DE 16-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.