ATE431651T1 - Verbund-raum-zeit-optimalfilter (jstof) mit qr- und eigenwertzerlegungen - Google Patents

Verbund-raum-zeit-optimalfilter (jstof) mit qr- und eigenwertzerlegungen

Info

Publication number
ATE431651T1
ATE431651T1 AT06775104T AT06775104T ATE431651T1 AT E431651 T1 ATE431651 T1 AT E431651T1 AT 06775104 T AT06775104 T AT 06775104T AT 06775104 T AT06775104 T AT 06775104T AT E431651 T1 ATE431651 T1 AT E431651T1
Authority
AT
Austria
Prior art keywords
channel
space
filter
jstof
filter circuit
Prior art date
Application number
AT06775104T
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 ATE431651T1 publication Critical patent/ATE431651T1/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
    • H04L25/0202—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
    • 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
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • 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
    • H04L25/0204—Channel estimation of multiple 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • 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

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)
  • Joining Of Building Structures In Genera (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Stereophonic System (AREA)
  • Noise Elimination (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Magnetic Heads (AREA)
  • Golf Clubs (AREA)
AT06775104T 2005-08-15 2006-08-14 Verbund-raum-zeit-optimalfilter (jstof) mit qr- und eigenwertzerlegungen ATE431651T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002515997A CA2515997A1 (en) 2005-08-15 2005-08-15 Implementation of joint space-time optimum filters (jstof) using qr and eigenvalue decompositions
PCT/CA2006/001329 WO2007019684A1 (en) 2005-08-15 2006-08-14 Joint space-time optimum filter (jstof) using qr and eigenvalue decompositions

Publications (1)

Publication Number Publication Date
ATE431651T1 true ATE431651T1 (de) 2009-05-15

Family

ID=37744687

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06775104T ATE431651T1 (de) 2005-08-15 2006-08-14 Verbund-raum-zeit-optimalfilter (jstof) mit qr- und eigenwertzerlegungen

Country Status (10)

Country Link
EP (1) EP1925088B1 (de)
JP (1) JP2009505531A (de)
KR (1) KR20080034209A (de)
CN (1) CN101283512B (de)
AT (1) ATE431651T1 (de)
AU (1) AU2006281946A1 (de)
BR (1) BRPI0614351A2 (de)
CA (1) CA2515997A1 (de)
DE (1) DE602006006847D1 (de)
WO (1) WO2007019684A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115483971B (zh) * 2022-09-15 2025-10-28 中国科学技术大学 可见光信道的球形译码方法、装置和电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008849A1 (fr) * 1995-08-22 1997-03-06 Thomson-Csf Procede et dispositif de multiplexage/demultiplexage spatial de signaux radioelectriques pour systeme radio mobile sdma
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
EP1152549B1 (de) * 2000-05-05 2005-03-30 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
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
US7151809B2 (en) * 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US7280625B2 (en) * 2002-12-11 2007-10-09 Qualcomm Incorporated Derivation of eigenvectors for spatial processing in MIMO communication systems
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
US7564914B2 (en) * 2004-12-14 2009-07-21 Broadcom Corporation Method and system for frame formats for MIMO channel measurement exchange
US7801248B2 (en) * 2004-11-19 2010-09-21 Qualcomm Incorporated Interference suppression with virtual antennas

Also Published As

Publication number Publication date
KR20080034209A (ko) 2008-04-18
BRPI0614351A2 (pt) 2011-03-22
AU2006281946A1 (en) 2007-02-22
WO2007019684A1 (en) 2007-02-22
CN101283512B (zh) 2011-11-23
JP2009505531A (ja) 2009-02-05
EP1925088A1 (de) 2008-05-28
CN101283512A (zh) 2008-10-08
EP1925088B1 (de) 2009-05-13
EP1925088A4 (de) 2008-08-27
CA2515997A1 (en) 2007-02-15
DE602006006847D1 (de) 2009-06-25

Similar Documents

Publication Publication Date Title
WO2007059517A3 (en) Equalizer for a receiver in a wireless communication system
SG144943A1 (en) Method and system for communication in a multiple access network
WO2009085869A3 (en) Receiver adjustment between pilot bursts
MXPA05008763A (es) Receptor de comunicacion con un ecualizador adaptivo que utiliza calculo de canal.
WO2008096997A3 (en) Method for transmitting channel quality information based on differential scheme
WO2006132593A3 (en) A method and apparatus for impairment correlation estimation in a wireless communication receiver
DE602006011039D1 (de) Datenkommunikationskreis mit entzerrungssteuerung
WO2007149394A3 (en) Antijam filter system and method for high fidelity high data rate wireless communication
DE602004029333D1 (de) Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet
EP2485414A3 (de) Vorrichtung und Verfahren zur SINR-Schätzung für einen HSDPA-MIMO-Empfänger
TW200501572A (en) Communication receiver with an adaptive equalizer length
WO2008063457A3 (en) Method and ofdm receiver with multi-dimensional window processing unit for robustly decoding rf signals
WO2007005662A8 (en) Testing of receivers with separate linear o/e module and host used in communication links
TW200718077A (en) Reception of H-ARQ transmissions with interference cancellation in a quasi-orthogonal communication system
JP2014522620A5 (de)
WO2004027579A3 (en) Method and system for split-pair reception in twisted-pair communication systems
ATE452497T1 (de) Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung
WO2007019679A3 (en) Wireless communications device including a joint space-time optimum filter (jstof) using cholesky and eigenvalue decompositions
DE602006006847D1 (de) Verbund-raum-zeit-optimalfilter (jstof) mit qr- und eigenwertzerlegungen
DE602007005944D1 (de) Störungsunterdrückung mit mehreren Antennen
WO2006107932A3 (en) Separation of cochannel fm signals
ATE454752T1 (de) Gemeinsame optimale raum-zeit-filter (jstof), die die einzelwertzerlegung verwenden (svd)
ATE447799T1 (de) Multimodus-empfänger mit adaptiver modusauswahl
CA2608872A1 (en) Joint space-time optimum filters (jstof) for interference cancellation
WO2005004338A3 (en) Reduced complexity sliding window based equalizer

Legal Events

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