KR100979742B1 - 동일 채널 간섭 감소를 위한 결합 복조 필터를 포함하는무선 통신 장치 및 관련 방법 - Google Patents

동일 채널 간섭 감소를 위한 결합 복조 필터를 포함하는무선 통신 장치 및 관련 방법 Download PDF

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KR100979742B1
KR100979742B1 KR1020087006903A KR20087006903A KR100979742B1 KR 100979742 B1 KR100979742 B1 KR 100979742B1 KR 1020087006903 A KR1020087006903 A KR 1020087006903A KR 20087006903 A KR20087006903 A KR 20087006903A KR 100979742 B1 KR100979742 B1 KR 100979742B1
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South Korea
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signal
desired signal
filter
impulse response
channel
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KR1020087006903A
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Korean (ko)
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KR20080036235A (ko
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졸탄 케멘크지
후안 우
신 시몬스
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리서치 인 모션 리미티드
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
KR1020087006903A 2005-08-23 2006-08-23 동일 채널 간섭 감소를 위한 결합 복조 필터를 포함하는무선 통신 장치 및 관련 방법 KR100979742B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,516,910 2005-08-23
CA002516910A CA2516910A1 (fr) 2005-08-23 2005-08-23 Techniques de demodulation conjointe eliminant le brouillage

Publications (2)

Publication Number Publication Date
KR20080036235A KR20080036235A (ko) 2008-04-25
KR100979742B1 true KR100979742B1 (ko) 2010-09-09

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KR1020087006903A KR100979742B1 (ko) 2005-08-23 2006-08-23 동일 채널 간섭 감소를 위한 결합 복조 필터를 포함하는무선 통신 장치 및 관련 방법

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) WO2007022626A1 (fr)

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US7161988B2 (en) 2004-04-12 2007-01-09 The Directv Group, Inc. Method and apparatus for minimizing co-channel interference
US7672285B2 (en) 2004-06-28 2010-03-02 Dtvg Licensing, Inc. Method and apparatus for minimizing co-channel interference by scrambling
JP2007533262A (ja) 2004-04-12 2007-11-15 ザ・ディレクティービー・グループ・インコーポレイテッド 衛星放送システムにおける物理層ヘッダスクランブル
US8213553B2 (en) * 2004-04-12 2012-07-03 The Directv Group, Inc. Method and apparatus for identifying co-channel interference
US7643590B2 (en) * 2005-08-23 2010-01-05 Research In Motion Limited Joint demodulation filter for co-channel interference reduction and related methods
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
EP1929683B1 (fr) 2005-08-26 2011-06-22 The DIRECTV Group, Inc. Procédé et appareil permettant de determiner des codes d'embrouillage pour l'emission de signaux
KR101610305B1 (ko) * 2009-03-20 2016-04-20 삼성전자주식회사 다중 안테나 시스템에서 셀 간 간섭을 감소시키기 위한 장치 및 방법
US8433015B2 (en) 2009-12-03 2013-04-30 Glowlink Communications Technology, Inc. System for and method of removing unwanted inband signals from a received communication signal
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系统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
SG11201506441VA (en) * 2013-02-26 2015-09-29 Glowlink Communications Technology Inc System for and method of removing unwanted inband signals from a received communication signal
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

Citations (1)

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EP0952711A2 (fr) * 1998-04-23 1999-10-27 Lucent Technologies Inc. Estimateur de séquence à maximum de vraisemblance conjointe à description dynamique de canaux

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JPH05152894A (ja) * 1991-07-29 1993-06-18 Oki Electric Ind Co Ltd 適応等化器
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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
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EP0952711A2 (fr) * 1998-04-23 1999-10-27 Lucent Technologies Inc. Estimateur de séquence à maximum de vraisemblance conjointe à description dynamique de canaux

Also Published As

Publication number Publication date
AU2006284391B2 (en) 2009-12-10
BRPI0614959A2 (pt) 2011-04-26
EP1925092A1 (fr) 2008-05-28
JP4845965B2 (ja) 2011-12-28
CA2516910A1 (fr) 2007-02-23
EP1925091A1 (fr) 2008-05-28
EP1925092A4 (fr) 2009-01-14
WO2007022626A1 (fr) 2007-03-01
AU2006284391A1 (en) 2007-03-01
CN101292432A (zh) 2008-10-22
JP2009506595A (ja) 2009-02-12
EP1925091A4 (fr) 2009-01-14
KR20080036235A (ko) 2008-04-25
CN101292433A (zh) 2008-10-22
WO2007022627A1 (fr) 2007-03-01

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