ATE452497T1 - Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung - Google Patents

Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung

Info

Publication number
ATE452497T1
ATE452497T1 AT08163814T AT08163814T ATE452497T1 AT E452497 T1 ATE452497 T1 AT E452497T1 AT 08163814 T AT08163814 T AT 08163814T AT 08163814 T AT08163814 T AT 08163814T AT E452497 T1 ATE452497 T1 AT E452497T1
Authority
AT
Austria
Prior art keywords
channel
space
filter
interference suppression
filter circuit
Prior art date
Application number
AT08163814T
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 ATE452497T1 publication Critical patent/ATE452497T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • H04B7/0854Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535Variable structures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03592Adaptation methods
    • H04L2025/03598Algorithms
    • H04L2025/03605Block algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/0242Channel estimation channel estimation algorithms using matrix methods
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/0242Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248Eigen-space methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Water Treatment By Sorption (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Polarising Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Mobile Radio Communication Systems (AREA)
AT08163814T 2005-08-15 2006-05-25 Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung ATE452497T1 (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
ATE452497T1 true ATE452497T1 (de) 2010-01-15

Family

ID=36699354

Family Applications (3)

Application Number Title Priority Date Filing Date
AT06252723T ATE408951T1 (de) 2005-08-15 2006-05-25 Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung
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

Family Applications Before (2)

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

Country Status (10)

Country Link
EP (3) EP1755297B1 (de)
JP (1) JP4906857B2 (de)
KR (1) KR100914945B1 (de)
CN (1) CN101283514B (de)
AT (3) ATE408951T1 (de)
AU (1) AU2006281930B2 (de)
BR (1) BRPI0614861A2 (de)
CA (2) CA2515996A1 (de)
DE (3) DE602006011218D1 (de)
WO (1) WO2007019668A1 (de)

Families Citing this family (4)

* 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

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
DE60313336T2 (de) * 2002-08-21 2008-04-10 Zyray Wireless, Inc., San Diego Antennengruppe mit virtuellen antennenelementen und zugehörige methode
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
CN101283514A (zh) 2008-10-08
EP1755297A1 (de) 2007-02-21
KR100914945B1 (ko) 2009-08-31
DE602006011218D1 (de) 2010-01-28
WO2007019668A1 (en) 2007-02-22
EP1993247B1 (de) 2009-12-16
EP1922814A1 (de) 2008-05-21
EP1922814B1 (de) 2010-07-14
ATE474407T1 (de) 2010-07-15
AU2006281930A1 (en) 2007-02-22
AU2006281930B2 (en) 2010-01-28
DE602006002792D1 (de) 2008-10-30
KR20080034208A (ko) 2008-04-18
ATE408951T1 (de) 2008-10-15
CN101283514B (zh) 2011-11-23
BRPI0614861A2 (pt) 2011-04-19
CA2515996A1 (en) 2007-02-15
JP2009505525A (ja) 2009-02-05
EP1993247A1 (de) 2008-11-19
EP1755297B1 (de) 2008-09-17
EP1922814A4 (de) 2008-07-23
DE602006015486D1 (de) 2010-08-26
JP4906857B2 (ja) 2012-03-28
CA2619110A1 (en) 2007-02-22

Similar Documents

Publication Publication Date Title
WO2008058059A3 (en) Narrow-band interference canceller
AU2002251181A1 (en) Frequency domain channel estimation for multiple channels using wiener minimum mean squared error (mmse) filtering
MXPA05008763A (es) Receptor de comunicacion con un ecualizador adaptivo que utiliza calculo de canal.
DE602006005228D1 (de) System und Verfahren zur Mehrkanal-Echokompensation
TW200644443A (en) Apparatus for suppressing burst noise
AU6647400A (en) Adaptive channel estimation in a wireless communication system
DE602006011039D1 (de) Datenkommunikationskreis mit entzerrungssteuerung
ATE349844T1 (de) Kanalschätzer für ein ofdm system
WO2007149394A3 (en) Antijam filter system and method for high fidelity high data rate wireless communication
FR2814014B1 (fr) Methode de detection multi-utilisateur
WO2007015804A3 (en) Approximate cholesky decomposition based block linear equalizer
WO2006115459A3 (en) Joint detector in a code division multiple access radio receiver
TW200640202A (en) Apparatus and method of canceling interference
WO2008137650A3 (en) Altering training time or step size of an equalizer as function of channel conditions
EP1950923A3 (de) Kanalschätzung mit anpassbarer Leistung für ein Mehrweg-Empfangssystem
TW200501572A (en) Communication receiver with an adaptive equalizer length
ATE408951T1 (de) Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung
WO2005022207A3 (en) Dispersion compensation using adjustable iir filter
WO2004105287A3 (en) Method and apparatus for equalization and crosstalk mitigation
WO2007019679A3 (en) Wireless communications device including a joint space-time optimum filter (jstof) using cholesky and eigenvalue decompositions
DE602006007773D1 (de) Gemeinsame Raum-Zeit optimale Filter zur Interferenzunterdrückung
CA2608872A1 (en) Joint space-time optimum filters (jstof) for interference cancellation
ATE454752T1 (de) Gemeinsame optimale raum-zeit-filter (jstof), die die einzelwertzerlegung verwenden (svd)
DE602007005944D1 (de) Störungsunterdrückung mit mehreren Antennen
EP1206093A3 (de) Entzerrung im Frequenzbereich

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties