BRPI0614356A2 - dispositivo de comunicações sem fio que inclui um filtro ótimo de espaço-tempo conjunto (jstof) usando decomposições de cholesky e de autovalor - Google Patents

dispositivo de comunicações sem fio que inclui um filtro ótimo de espaço-tempo conjunto (jstof) usando decomposições de cholesky e de autovalor Download PDF

Info

Publication number: BRPI0614356A2
Authority: BR; Brazil
Prior art keywords: filter; channel; circuit; spacetime; communication device
Prior art date: 2005-08-15

Application number

BRPI0614356-3A

Other languages

English (en)

Portuguese (pt)

Inventor

Huan Wu

Sean Simmons

Zoltan Kemenczy

Original Assignee

Research In Motion 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.)

2005-08-15

Filing date

2006-08-14

Publication date

2011-03-22

2006-08-14 Application filed by Research In Motion Ltd filed Critical Research In Motion Ltd

2011-03-22 Publication of BRPI0614356A2 publication Critical patent/BRPI0614356A2/pt

Links

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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
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0248—Eigen-space methods
- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- 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
- H04L25/0212—Channel estimation of impulse response
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Radio Transmission System (AREA)
Mobile Radio Communication Systems (AREA)
Noise Elimination (AREA)
Transmitters (AREA)

BRPI0614356-3A 2005-08-15 2006-08-14 dispositivo de comunicações sem fio que inclui um filtro ótimo de espaço-tempo conjunto (jstof) usando decomposições de cholesky e de autovalor BRPI0614356A2 (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CA002515932A CA2515932A1 (en)	2005-08-15	2005-08-15	Implementation of joint space-time optimum filters (jstof) using cholesky and eigenvalue decompositions
CA2,515,932		2005-08-15
PCT/CA2006/001322 WO2007019679A2 (en)	2005-08-15	2006-08-14	Wireless communications device including a joint space-time optimum filter (jstof) using cholesky and eigenvalue decompositions

Publications (1)

Publication Number	Publication Date
BRPI0614356A2 true BRPI0614356A2 (pt)	2011-03-22

Family

ID=37744685

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI0614356-3A BRPI0614356A2 (pt)	2005-08-15	2006-08-14	dispositivo de comunicações sem fio que inclui um filtro ótimo de espaço-tempo conjunto (jstof) usando decomposições de cholesky e de autovalor

Country Status (8)

Country	Link
EP (1)	EP1922816A4 (de)
JP (1)	JP2009505526A (de)
KR (1)	KR20080036223A (de)
CN (1)	CN101283516B (de)
AU (1)	AU2006281941A1 (de)
BR (1)	BRPI0614356A2 (de)
CA (1)	CA2515932A1 (de)
WO (1)	WO2007019679A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2445150B1 (de)	2010-10-19	2013-12-04	ST-Ericsson SA	Verfahren zur Durchführung einer QR-Dekomposition einer Kanalmatrix in einem MIMO-Funkkommunikationssystem und Empfänger zur Ausführung davon
EP2671332B1 (de)	2011-02-01	2019-10-23	BlackBerry Limited	Schema zur ausrichtung von interferenzen für mehrere benutzer einer mischrang-downlink-verbindung
CN103703694B (zh) *	2011-02-01	2016-09-28	黑莓有限公司	下行链路多用户干扰对齐方案
CN104244265B (zh) *	2013-06-13	2018-01-09	北京邮电大学	多天线场景下d2d通信与蜂窝通信共存的通信方法及系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6314147B1 (en) *	1997-11-04	2001-11-06	The Board Of Trustees Of The Leland Stanford Junior University	Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks
US6714527B2 (en) *	1999-09-21	2004-03-30	Interdigital Techology Corporation	Multiuser detector for variable spreading factors
DE60019091T2 (de) *	2000-05-05	2006-02-02	Lucent Technologies Inc.	Funkkommunikationssystem
TW540200B (en) *	2000-11-09	2003-07-01	Interdigital Tech Corp	Single user detection
CN1152504C (zh) *	2001-10-22	2004-06-02	信息产业部电信传输研究所	基于数字匹配滤波器的多径搜索与信道估计方法
US20030142762A1 (en) *	2002-01-11	2003-07-31	Burke Joseph P.	Wireless receiver method and apparatus using space-cover-time equalization
US7295636B2 (en) *	2003-03-28	2007-11-13	Texas Instruments Incorporated	Linear single-antenna interference cancellation receiver
JP4806170B2 (ja) *	2003-06-19	2011-11-02	三星電子株式会社	コチャンネル干渉を検出し、選択的にフィルタリングする装置及び方法
US7801248B2 (en) *	2004-11-19	2010-09-21	Qualcomm Incorporated	Interference suppression with virtual antennas

2005
- 2005-08-15 CA CA002515932A patent/CA2515932A1/en not_active Abandoned
2006
- 2006-08-14 EP EP06790540A patent/EP1922816A4/de not_active Ceased
- 2006-08-14 WO PCT/CA2006/001322 patent/WO2007019679A2/en not_active Ceased
- 2006-08-14 BR BRPI0614356-3A patent/BRPI0614356A2/pt not_active IP Right Cessation
- 2006-08-14 AU AU2006281941A patent/AU2006281941A1/en not_active Abandoned
- 2006-08-14 JP JP2008526337A patent/JP2009505526A/ja not_active Withdrawn
- 2006-08-14 KR KR1020087006317A patent/KR20080036223A/ko not_active Withdrawn
- 2006-08-14 CN CN2006800377529A patent/CN101283516B/zh not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR20080036223A (ko)	2008-04-25
EP1922816A4 (de)	2008-10-01
AU2006281941A1 (en)	2007-02-22
CN101283516B (zh)	2011-11-23
CN101283516A (zh)	2008-10-08
CA2515932A1 (en)	2007-02-15
WO2007019679A3 (en)	2007-11-08
EP1922816A2 (de)	2008-05-21
JP2009505526A (ja)	2009-02-05
WO2007019679A2 (en)	2007-02-22

Legal Events

Date	Code	Title	Description
2015-06-23	B08F	Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]	Free format text: REFERENTE A 9A ANUIDADE.
2015-11-24	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 2320 DE 23-06-2015 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.
2018-03-27	B15K	Others concerning applications: alteration of classification	Ipc: H04L 25/02 (2006.01), H04B 1/10 (2006.01)

Publication	Publication Date	Title
BRPI0614861A2 (pt)	2011-04-19	filtros ótimos de espaço - tempo conjuntos (jstof) para cancelamento de interferência
BRPI0614356A2 (pt)	2011-03-22	dispositivo de comunicações sem fio que inclui um filtro ótimo de espaço-tempo conjunto (jstof) usando decomposições de cholesky e de autovalor
BRPI0614348A2 (pt)	2011-03-22	dispositivo de comunicações sem fio que inclui um filtro ótimo de espaço - tempo conjunto (jstof) usando decomposições de qr e de autovalor
BRPI0614866A2 (pt)	2011-04-19	filtros ótimos de espaço - tempo conjuntos (jstof) para cancelamento de interferência
BRPI0614345A2 (pt)	2011-03-22	filtros ótimos de espaço - tempo conjuntos (jstof) com pelo menos uma antena, pelo menos um canal e estimativa de peso de filtro conjunto e de cir
BRPI0614346A2 (pt)	2011-03-22	dispositivo de comunicações sem fio que inclui filtro ótimo de espaço-tempo conjunto (jstof) usando decomposições de valor singular (svd)
BRPI0614859A2 (pt)	2011-04-19	filtro ótimo de espaço - tempo conjunto (jstof) usando decomposições de cholesky e de autovalor
BRPI0614860A2 (pt)	2011-04-19	filtro ótimo de espaço - tempo conjunto (jstof) usando decomposições de valor singular (svd)
BRPI0614350A2 (pt)	2011-03-22	filtros ótimos de espaço-tempo conjuntos (jstof) com pelo menos uma antena, pelo menos um canal e estimativa de peso de filtro conjunto e cir
BRPI0614351A2 (pt)	2011-03-22	filtro, sistema e método para reduzir a interferência co-canal dentro de um receptor de comunicação
CA2608846C (en)	2011-11-15	Joint space-time optimum filters (jstof) with at least one antenna, at least one channel, and joint filter weight and cir estimation
WO2006125316A1 (en)	2006-11-30	Joint space-time optimum filters (jstof) for interference cancellation
CA2619107A1 (en)	2007-02-22	Joint space-time optimum filters (jstof) for interference cancellation
CA2618072A1 (en)	2007-02-22	Joint space-time optimum filter (jstof) using qr and eigenvalue decompositions
CA2619147A1 (en)	2007-02-22	Wireless communications device including a joint space-time optimum filters (jstof) using qr and eigenvalue decompositions
CA2619109A1 (en)	2007-02-22	Joint space-time optimum filters (jstof) with at least one antenna, at least one channel, and joint filter weight and cir estimation
CA2619117A1 (en)	2007-02-22	Wireless communications device including a joint space-time optimum filter (jstof) using cholesky and eigenvalue decompositions