CA2516910A1 - Techniques de demodulation conjointe eliminant le brouillage - Google Patents
Techniques de demodulation conjointe eliminant le brouillage Download PDFInfo
- 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
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)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Noise Elimination (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
KR1020087006903A KR100979742B1 (ko) | 2005-08-23 | 2006-08-23 | 동일 채널 간섭 감소를 위한 결합 복조 필터를 포함하는무선 통신 장치 및 관련 방법 |
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 |
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 |
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 |
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8213553B2 (en) * | 2004-04-12 | 2012-07-03 | The Directv Group, Inc. | Method and apparatus for identifying co-channel interference |
CN101142783B (zh) | 2004-04-12 | 2012-09-05 | 直视集团公司 | 用于最小化共频道干扰的方法和设备 |
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 |
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 |
ATE514245T1 (de) | 2005-08-26 | 2011-07-15 | Directv Group Inc | Verfahren und vorrichtung zur bestimmung von verwürfelungscodes für die signalübertragung |
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 |
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)
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 |
-
2005
- 2005-08-23 CA CA002516910A patent/CA2516910A1/fr not_active Abandoned
-
2006
- 2006-08-23 CN CNA2006800389511A patent/CN101292433A/zh active Pending
- 2006-08-23 BR BRPI0614959-6A patent/BRPI0614959A2/pt not_active IP Right Cessation
- 2006-08-23 CN CNA2006800389418A patent/CN101292432A/zh active Pending
- 2006-08-23 EP EP06790561A patent/EP1925091A4/fr not_active Withdrawn
- 2006-08-23 WO PCT/CA2006/001379 patent/WO2007022627A1/fr active Application Filing
- 2006-08-23 WO PCT/CA2006/001378 patent/WO2007022626A1/fr active Application Filing
- 2006-08-23 AU AU2006284391A patent/AU2006284391B2/en not_active Ceased
- 2006-08-23 EP EP06790562A patent/EP1925092A4/fr not_active Withdrawn
- 2006-08-23 KR KR1020087006903A patent/KR100979742B1/ko not_active IP Right Cessation
- 2006-08-23 JP JP2008527280A patent/JP4845965B2/ja not_active Expired - Fee Related
Cited By (5)
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 |
BRPI0614959A2 (pt) | 2011-04-26 |
KR100979742B1 (ko) | 2010-09-09 |
AU2006284391A1 (en) | 2007-03-01 |
CN101292432A (zh) | 2008-10-22 |
CN101292433A (zh) | 2008-10-22 |
KR20080036235A (ko) | 2008-04-25 |
AU2006284391B2 (en) | 2009-12-10 |
EP1925091A4 (fr) | 2009-01-14 |
WO2007022626A1 (fr) | 2007-03-01 |
EP1925092A1 (fr) | 2008-05-28 |
EP1925092A4 (fr) | 2009-01-14 |
WO2007022627A1 (fr) | 2007-03-01 |
JP2009506595A (ja) | 2009-02-12 |
JP4845965B2 (ja) | 2011-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |