ATE408951T1 - Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung - Google Patents

Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung

Info

Publication number
ATE408951T1
ATE408951T1 AT06252723T AT06252723T ATE408951T1 AT E408951 T1 ATE408951 T1 AT E408951T1 AT 06252723 T AT06252723 T AT 06252723T AT 06252723 T AT06252723 T AT 06252723T AT E408951 T1 ATE408951 T1 AT E408951T1
Authority
AT
Austria
Prior art keywords
channel
space
filter
interference suppression
filter circuit
Prior art date
Application number
AT06252723T
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE408951T1 publication Critical patent/ATE408951T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol 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
    • 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
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535—Variable structures
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03605—Block algorithms
    • 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
    • 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

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)
  • Noise Elimination (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Water Treatment By Sorption (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Polarising Elements (AREA)
  • Mobile Radio Communication Systems (AREA)
AT06252723T 2005-08-15 2006-05-25 Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung ATE408951T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002515996A CA2515996A1 (en) 2005-08-15 2005-08-15 Joint space-time optimum filters (jstof) for interference cancellation

Publications (1)

Publication Number Publication Date
ATE408951T1 true ATE408951T1 (de) 2008-10-15

Family

ID=36699354

Family Applications (3)

Application Number Title Priority Date Filing Date
AT06741567T ATE474407T1 (de) 2005-08-15 2006-05-25 Verbundene raum-zeit-optimalfilter (jstof) zur störungslöschung
AT08163814T ATE452497T1 (de) 2005-08-15 2006-05-25 Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung
AT06252723T ATE408951T1 (de) 2005-08-15 2006-05-25 Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT06741567T ATE474407T1 (de) 2005-08-15 2006-05-25 Verbundene raum-zeit-optimalfilter (jstof) zur störungslöschung
AT08163814T ATE452497T1 (de) 2005-08-15 2006-05-25 Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung

Country Status (10)

Country Link
EP (3) EP1993247B1 (de)
JP (1) JP4906857B2 (de)
KR (1) KR100914945B1 (de)
CN (1) CN101283514B (de)
AT (3) ATE474407T1 (de)
AU (1) AU2006281930B2 (de)
BR (1) BRPI0614861A2 (de)
CA (2) CA2515996A1 (de)
DE (3) DE602006002792D1 (de)
WO (1) WO2007019668A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7978752B2 (en) 2006-03-15 2011-07-12 Interdigital Technology Corporation Method and apparatus for switching operating modes of a receiver
CN103346756A (zh) * 2013-07-03 2013-10-09 北京北斗星通导航技术股份有限公司 一种空时自适应滤波方法及装置
CN103716013B (zh) * 2014-01-14 2016-05-04 苏州大学 变参数比例自适应滤波器
CN104158512B (zh) * 2014-08-08 2017-04-05 西南交通大学 一种基于独立活性因子的抗冲击干扰的自适应稀疏系统辨识方法
CN115883300B (zh) * 2022-11-29 2025-11-04 北京凯芯微科技有限公司 信号的处理方法、装置和芯片

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821988A (en) * 1995-08-29 1998-10-13 Zenith Electronics Corporation NTSC co-channel interference reduction system
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
US6563812B1 (en) * 1999-10-12 2003-05-13 Mitsubishi Electric Research Laboratories, Inc. Method and apparatus for detecting multiple signals in a CDMA network
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
US7031411B2 (en) * 2001-09-19 2006-04-18 Telefonaktiebolaget L.M. Ericsson Methods and apparatus for canceling co-channel interference in a receiving system using spatio-temporal whitening
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
KR20030044625A (ko) * 2001-11-30 2003-06-09 주식회사 뉴로스 원격조종이 가능한 동력식 날개치기형 비행기
JP3763793B2 (ja) * 2002-03-12 2006-04-05 株式会社東芝 受信装置及び送受信装置
AU2003262848A1 (en) * 2002-08-21 2004-03-11 Zyray Wireless, Inc. Antenna array including virtual antenna elements
US7295636B2 (en) * 2003-03-28 2007-11-13 Texas Instruments Incorporated Linear single-antenna interference cancellation receiver
WO2005011047A2 (en) * 2003-04-09 2005-02-03 Mano Dorsey Judd Virtual antenna technology (vat) and applications
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
US20050250466A1 (en) * 2004-04-26 2005-11-10 Hellosoft Inc. Method and apparatus for improving MLSE in the presence of co-channel interferer for GSM/GPRS systems

Also Published As

Publication number Publication date
CN101283514B (zh) 2011-11-23
EP1755297B1 (de) 2008-09-17
EP1993247A1 (de) 2008-11-19
KR100914945B1 (ko) 2009-08-31
CA2515996A1 (en) 2007-02-15
BRPI0614861A2 (pt) 2011-04-19
DE602006011218D1 (de) 2010-01-28
AU2006281930A1 (en) 2007-02-22
ATE474407T1 (de) 2010-07-15
AU2006281930B2 (en) 2010-01-28
ATE452497T1 (de) 2010-01-15
EP1993247B1 (de) 2009-12-16
JP4906857B2 (ja) 2012-03-28
CN101283514A (zh) 2008-10-08
EP1922814A4 (de) 2008-07-23
JP2009505525A (ja) 2009-02-05
DE602006002792D1 (de) 2008-10-30
DE602006015486D1 (de) 2010-08-26
WO2007019668A1 (en) 2007-02-22
EP1755297A1 (de) 2007-02-21
EP1922814B1 (de) 2010-07-14
CA2619110A1 (en) 2007-02-22
KR20080034208A (ko) 2008-04-18
EP1922814A1 (de) 2008-05-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
REN Ceased due to non-payment of the annual fee