EP1922816A4 - JSTOF FILTER RADIOCOMMUNICATION APPARATUS USING CHOLESKY DECOMPOSITIONS AND OWN VALUES - Google Patents
JSTOF FILTER RADIOCOMMUNICATION APPARATUS USING CHOLESKY DECOMPOSITIONS AND OWN VALUESInfo
- Publication number
- EP1922816A4 EP1922816A4 EP06790540A EP06790540A EP1922816A4 EP 1922816 A4 EP1922816 A4 EP 1922816A4 EP 06790540 A EP06790540 A EP 06790540A EP 06790540 A EP06790540 A EP 06790540A EP 1922816 A4 EP1922816 A4 EP 1922816A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- jstof
- cholesky
- device including
- wireless communications
- communications device
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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
- H04L25/0242—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)
Applications Claiming Priority (2)
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 |
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 (2)
Publication Number | Publication Date |
---|---|
EP1922816A2 EP1922816A2 (en) | 2008-05-21 |
EP1922816A4 true EP1922816A4 (en) | 2008-10-01 |
Family
ID=37744685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06790540A Ceased EP1922816A4 (en) | 2005-08-15 | 2006-08-14 | JSTOF FILTER RADIOCOMMUNICATION APPARATUS USING CHOLESKY DECOMPOSITIONS AND OWN VALUES |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1922816A4 (pt) |
JP (1) | JP2009505526A (pt) |
KR (1) | KR20080036223A (pt) |
CN (1) | CN101283516B (pt) |
AU (1) | AU2006281941A1 (pt) |
BR (1) | BRPI0614356A2 (pt) |
CA (1) | CA2515932A1 (pt) |
WO (1) | WO2007019679A2 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2445150B1 (en) | 2010-10-19 | 2013-12-04 | ST-Ericsson SA | Process for performing a QR decomposition of a channel matrix in a MIMO wireless communication system, and receiver for doing the same |
CA2826085C (en) * | 2011-02-01 | 2017-03-07 | Research In Motion Limited | Downlink multi-user interference alignment scheme |
EP2671332B1 (en) | 2011-02-01 | 2019-10-23 | BlackBerry Limited | Mixed rank downlink multi-user interference alignment scheme |
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 |
Citations (2)
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 |
US20040192215A1 (en) * | 2003-03-28 | 2004-09-30 | Onggosanusi Eko N. | Linear single-antenna interference cancellation receiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6714527B2 (en) * | 1999-09-21 | 2004-03-30 | Interdigital Techology Corporation | Multiuser detector for variable spreading factors |
EP1152549B1 (en) * | 2000-05-05 | 2005-03-30 | Lucent Technologies Inc. | Radio communications system |
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 |
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 AU AU2006281941A patent/AU2006281941A1/en not_active Abandoned
- 2006-08-14 BR BRPI0614356-3A patent/BRPI0614356A2/pt not_active IP Right Cessation
- 2006-08-14 CN CN2006800377529A patent/CN101283516B/zh not_active Expired - Fee Related
- 2006-08-14 JP JP2008526337A patent/JP2009505526A/ja not_active Withdrawn
- 2006-08-14 KR KR1020087006317A patent/KR20080036223A/ko not_active Application Discontinuation
- 2006-08-14 WO PCT/CA2006/001322 patent/WO2007019679A2/en active Application Filing
- 2006-08-14 EP EP06790540A patent/EP1922816A4/en not_active Ceased
Patent Citations (2)
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 |
US20040192215A1 (en) * | 2003-03-28 | 2004-09-30 | Onggosanusi Eko N. | Linear single-antenna interference cancellation receiver |
Non-Patent Citations (3)
Title |
---|
GREGORY E BOTTOMLEY ET AL: "Unification of MLSE Receivers and Extension to Time-Varying Channels", IEEE TRANSACTIONS ON COMMUNICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 46, no. 4, 1 April 1998 (1998-04-01), XP011009143, ISSN: 0090-6778 * |
JAN C OLIVIER ET AL: "Joint Optimization of FIR Prefilter and Channel Estimate for Sequence Estimation", IEEE TRANSACTIONS ON COMMUNICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 50, no. 9, 1 September 2002 (2002-09-01), XP011071006, ISSN: 0090-6778 * |
See also references of WO2007019679A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP1922816A2 (en) | 2008-05-21 |
AU2006281941A1 (en) | 2007-02-22 |
CA2515932A1 (en) | 2007-02-15 |
JP2009505526A (ja) | 2009-02-05 |
CN101283516B (zh) | 2011-11-23 |
BRPI0614356A2 (pt) | 2011-03-22 |
KR20080036223A (ko) | 2008-04-25 |
WO2007019679A3 (en) | 2007-11-08 |
WO2007019679A2 (en) | 2007-02-22 |
CN101283516A (zh) | 2008-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080313 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20080902 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04L 1/06 20060101ALI20080827BHEP Ipc: H04L 25/02 20060101ALI20080827BHEP Ipc: H04B 1/10 20060101AFI20070403BHEP |
|
17Q | First examination report despatched |
Effective date: 20081211 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 20091001 |