KR20080036223A - 촐레스키 및 고유값 분해를 사용하는 공동 시공간 최적필터를 포함하는 무선 통신 디바이스 - Google Patents

촐레스키 및 고유값 분해를 사용하는 공동 시공간 최적필터를 포함하는 무선 통신 디바이스 Download PDF

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Publication number
KR20080036223A
KR20080036223A KR1020087006317A KR20087006317A KR20080036223A KR 20080036223 A KR20080036223 A KR 20080036223A KR 1020087006317 A KR1020087006317 A KR 1020087006317A KR 20087006317 A KR20087006317 A KR 20087006317A KR 20080036223 A KR20080036223 A KR 20080036223A
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KR
South Korea
Prior art keywords
space
filter
multichannel
circuit
signal
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KR1020087006317A
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English (en)
Korean (ko)
Inventor
후안 우
신 시몬스
졸탄 케멘크지
Original Assignee
리서치 인 모션 리미티드
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Publication of KR20080036223A publication Critical patent/KR20080036223A/ko

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    • 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

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  • 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)
  • Transmitters (AREA)
  • Noise Elimination (AREA)
KR1020087006317A 2005-08-15 2006-08-14 촐레스키 및 고유값 분해를 사용하는 공동 시공간 최적필터를 포함하는 무선 통신 디바이스 KR20080036223A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,515,932 2005-08-15
CA002515932A CA2515932A1 (en) 2005-08-15 2005-08-15 Implementation of joint space-time optimum filters (jstof) using cholesky and eigenvalue decompositions

Publications (1)

Publication Number Publication Date
KR20080036223A true KR20080036223A (ko) 2008-04-25

Family

ID=37744685

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087006317A KR20080036223A (ko) 2005-08-15 2006-08-14 촐레스키 및 고유값 분해를 사용하는 공동 시공간 최적필터를 포함하는 무선 통신 디바이스

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)

* Cited by examiner, † Cited by third party
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
WO2012104676A1 (en) 2011-02-01 2012-08-09 Research In Motion Limited Mixed rank downlink multi-user interference alignment scheme
WO2012104675A1 (en) * 2011-02-01 2012-08-09 Research In Motion Limited 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

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

Also Published As

Publication number Publication date
JP2009505526A (ja) 2009-02-05
WO2007019679A3 (en) 2007-11-08
CN101283516B (zh) 2011-11-23
EP1922816A4 (en) 2008-10-01
AU2006281941A1 (en) 2007-02-22
CA2515932A1 (en) 2007-02-15
EP1922816A2 (en) 2008-05-21
BRPI0614356A2 (pt) 2011-03-22
WO2007019679A2 (en) 2007-02-22
CN101283516A (zh) 2008-10-08

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