CA2516910A1 - Techniques de demodulation conjointe eliminant le brouillage - Google Patents

Techniques de demodulation conjointe eliminant le brouillage Download PDF

Info

Publication number
CA2516910A1
CA2516910A1 CA002516910A CA2516910A CA2516910A1 CA 2516910 A1 CA2516910 A1 CA 2516910A1 CA 002516910 A CA002516910 A CA 002516910A CA 2516910 A CA2516910 A CA 2516910A CA 2516910 A1 CA2516910 A1 CA 2516910A1
Authority
CA
Canada
Prior art keywords
signal
sequence
training sequence
estimator
channel
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.)
Abandoned
Application number
CA002516910A
Other languages
English (en)
Inventor
Zoltan Kemenczy
Huan Wu
Sean Simmons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BlackBerry Ltd
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
Priority to CA002516910A priority Critical patent/CA2516910A1/fr
Priority to AU2006284391A priority patent/AU2006284391B2/en
Priority to PCT/CA2006/001378 priority patent/WO2007022626A1/fr
Priority to EP06790561A priority patent/EP1925091A4/fr
Priority to PCT/CA2006/001379 priority patent/WO2007022627A1/fr
Priority to CA002618981A priority patent/CA2618981A1/fr
Priority to CA002618978A priority patent/CA2618978C/fr
Priority to JP2008527280A priority patent/JP4845965B2/ja
Priority to CNA2006800389511A priority patent/CN101292433A/zh
Priority to BRPI0614959-6A priority patent/BRPI0614959A2/pt
Priority to KR1020087006903A priority patent/KR100979742B1/ko
Priority to EP06790562A priority patent/EP1925092A4/fr
Priority to CNA2006800389418A priority patent/CN101292432A/zh
Publication of CA2516910A1 publication Critical patent/CA2516910A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04L25/03—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
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • 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
    • H04L25/03305—Joint sequence estimation and interference removal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Quality & Reliability (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA002516910A 2005-08-23 2005-08-23 Techniques de demodulation conjointe eliminant le brouillage Abandoned CA2516910A1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CA002516910A CA2516910A1 (fr) 2005-08-23 2005-08-23 Techniques de demodulation conjointe eliminant le brouillage
AU2006284391A AU2006284391B2 (en) 2005-08-23 2006-08-23 Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
PCT/CA2006/001378 WO2007022626A1 (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
EP06790561A EP1925091A4 (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
PCT/CA2006/001379 WO2007022627A1 (fr) 2005-08-23 2006-08-23 Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
CA002618981A CA2618981A1 (fr) 2005-08-23 2006-08-23 Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
CA002618978A CA2618978C (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
JP2008527280A JP4845965B2 (ja) 2005-08-23 2006-08-23 無線通信デバイスにおいて同一チャネル干渉を減少させる結合復調フィルタおよび関連する方法
CNA2006800389511A CN101292433A (zh) 2005-08-23 2006-08-23 用于降低同信道干扰的联合解调滤波器及相关方法
BRPI0614959-6A BRPI0614959A2 (pt) 2005-08-23 2006-08-23 dispositivo de comunicações sem fio incluindo um filtro de demodulação conjunto para redução de interferência de co-canal e métodos relacionados
KR1020087006903A KR100979742B1 (ko) 2005-08-23 2006-08-23 동일 채널 간섭 감소를 위한 결합 복조 필터를 포함하는무선 통신 장치 및 관련 방법
EP06790562A EP1925092A4 (fr) 2005-08-23 2006-08-23 Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
CNA2006800389418A CN101292432A (zh) 2005-08-23 2006-08-23 包括用于降低同信道干扰的联合解调滤波器的无线通信设备及相关方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002516910A CA2516910A1 (fr) 2005-08-23 2005-08-23 Techniques de demodulation conjointe eliminant le brouillage

Publications (1)

Publication Number Publication Date
CA2516910A1 true CA2516910A1 (fr) 2007-02-23

Family

ID=37770753

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002516910A Abandoned CA2516910A1 (fr) 2005-08-23 2005-08-23 Techniques de demodulation conjointe eliminant le brouillage

Country Status (8)

Country Link
EP (2) EP1925091A4 (fr)
JP (1) JP4845965B2 (fr)
KR (1) KR100979742B1 (fr)
CN (2) CN101292433A (fr)
AU (1) AU2006284391B2 (fr)
BR (1) BRPI0614959A2 (fr)
CA (1) CA2516910A1 (fr)
WO (2) WO2007022627A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011068636A1 (fr) 2009-12-03 2011-06-09 Glowlink Communications Technology, Inc. Système et procédé de suppression de signaux intra-bandes intempestifs, à partir d'un signal de communication reçu
US9467273B2 (en) 2009-03-20 2016-10-11 Samsung Electronics Co., Ltd. Apparatus and method for reducing inter-cell interference in multiple input multiple output system
AU2014223843B2 (en) * 2013-02-26 2017-06-01 Glowlink Communications Technology, Inc. System for and method of removing unwanted inband signals from a received communication signal

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741292A4 (fr) 2004-04-12 2009-12-09 Directv Group Inc Attenuation du brouillage dans la meme voie par le decalage des caracteristiques de voie
US8213553B2 (en) * 2004-04-12 2012-07-03 The Directv Group, Inc. Method and apparatus for identifying co-channel interference
US7672285B2 (en) 2004-06-28 2010-03-02 Dtvg Licensing, Inc. Method and apparatus for minimizing co-channel interference by scrambling
US7161988B2 (en) 2004-04-12 2007-01-09 The Directv Group, Inc. Method and apparatus for minimizing co-channel interference
US7639763B2 (en) 2005-08-23 2009-12-29 Research In Motion Limited Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
US7643590B2 (en) 2005-08-23 2010-01-05 Research In Motion Limited Joint demodulation filter for co-channel interference reduction and related methods
CA2619054C (fr) 2005-08-26 2013-10-15 The Directv Group, Inc. Procede et appareil permettant de determiner des codes d'embrouillage pour l'emission de signaux
KR101363385B1 (ko) 2009-12-18 2014-02-14 한국전자통신연구원 위치추적 시스템의 수신기
US8938038B2 (en) * 2012-02-02 2015-01-20 Telefonaktiebolaget L M Ericsson (Publ) Extending the set of addressable interferers for interference mitigation
CN103051573B (zh) * 2012-12-12 2016-07-06 锐迪科科技有限公司 Gsm***中干扰信号消除模块及其实现方法
US8938041B2 (en) 2012-12-18 2015-01-20 Intel Corporation Techniques for managing interference in multiple channel communications system
CN105703878B (zh) * 2014-11-28 2019-04-30 联芯科技有限公司 一种序列检测方法及装置
KR102449737B1 (ko) * 2015-06-25 2022-09-30 한국전자통신연구원 동일대역 전이중 송수신기에서 fir 필터를 튜닝하는 방법 및 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05152894A (ja) * 1991-07-29 1993-06-18 Oki Electric Ind Co Ltd 適応等化器
IT1293447B1 (it) * 1997-07-14 1999-03-01 Cselt Centro Studi Lab Telecom Procedimento e sistema per la ricezione di segnali digitali
US6144710A (en) * 1998-04-23 2000-11-07 Lucent Technologies, Inc. Joint maximum likelihood sequence estimator with dynamic channel description
US6760388B2 (en) * 2001-12-07 2004-07-06 Qualcomm Incorporated Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
US6714607B2 (en) * 2001-12-20 2004-03-30 Sbc Technology Resources, Inc. Joint demodulation using a viterbi equalizer having an adaptive total number of states
US7190743B2 (en) * 2002-07-29 2007-03-13 Bae Systems Information And Electronic Systems Integration Inc. Method and apparatus for optimizing tree pruning in a multiuser detector
GB2392065B (en) * 2002-08-15 2004-12-29 Toshiba Res Europ Ltd Signal decoding methods and apparatus
US7295636B2 (en) * 2003-03-28 2007-11-13 Texas Instruments Incorporated Linear single-antenna interference cancellation receiver

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9467273B2 (en) 2009-03-20 2016-10-11 Samsung Electronics Co., Ltd. Apparatus and method for reducing inter-cell interference in multiple input multiple output system
WO2011068636A1 (fr) 2009-12-03 2011-06-09 Glowlink Communications Technology, Inc. Système et procédé de suppression de signaux intra-bandes intempestifs, à partir d'un signal de communication reçu
EP2507916A1 (fr) * 2009-12-03 2012-10-10 Glowlink Communications Technology, Inc. Système et procédé de suppression de signaux intra-bandes intempestifs, à partir d'un signal de communication reçu
EP2507916A4 (fr) * 2009-12-03 2014-12-10 Glowlink Communications Technology Inc Système et procédé de suppression de signaux intra-bandes intempestifs, à partir d'un signal de communication reçu
AU2014223843B2 (en) * 2013-02-26 2017-06-01 Glowlink Communications Technology, Inc. System for and method of removing unwanted inband signals from a received communication signal

Also Published As

Publication number Publication date
EP1925091A1 (fr) 2008-05-28
JP4845965B2 (ja) 2011-12-28
WO2007022627A1 (fr) 2007-03-01
WO2007022626A1 (fr) 2007-03-01
EP1925092A1 (fr) 2008-05-28
JP2009506595A (ja) 2009-02-12
AU2006284391A1 (en) 2007-03-01
EP1925092A4 (fr) 2009-01-14
KR20080036235A (ko) 2008-04-25
KR100979742B1 (ko) 2010-09-09
AU2006284391B2 (en) 2009-12-10
BRPI0614959A2 (pt) 2011-04-26
CN101292432A (zh) 2008-10-22
CN101292433A (zh) 2008-10-22
EP1925091A4 (fr) 2009-01-14

Similar Documents

Publication Publication Date Title
CA2516910A1 (fr) Techniques de demodulation conjointe eliminant le brouillage
US6944245B2 (en) Multi-pass interference reduction in a GSM communication system
US7894559B2 (en) Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
US6674820B1 (en) Receiver devices, systems and methods for receiving communication signals subject to colored noise
EP1110357A1 (fr) Procedes et systemes de reduction des interference entre canaux de meme frequence par multiplication des temps d'echantillonnage d'un signal recu
AU2401099A (en) Iterative channel estimation
EP1794963A1 (fr) Estimation de parametres avant-arrière it rative
US8175200B2 (en) Hybrid correlation and least squares channel estimation
EP2131543B1 (fr) Architecture de récepteur
EP2131544B1 (fr) Architecture de récepteur
US7940872B2 (en) Joint demodulation filter for co-channel interference reduction and related methods
US7440524B2 (en) Channel estimation in a wireless transmission system
KR20070012311A (ko) 수신 신호 내의 간섭을 줄이기 위한 방법, 수단 및 제품
CA2618978C (fr) Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
EP1843533B1 (fr) Procédé et récepteur pour l'estimation de la réponse impulsionnelle de canal utilisant un algorithme de module constant
CA2618981A1 (fr) Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
EP1475933A1 (fr) Procédé de suppression d'interférence avec estimation itérative, semi-aveugle de canal
EP1475931A1 (fr) Méthode et appareil de la itératif d'estimation des coéfficients de canal ou de filtrage

Legal Events

Date Code Title Description
FZDE Discontinued