DE60233292D1 - Verfahren zur Reduzierung von Störungen in einem Kommunikationssystem - Google Patents

Verfahren zur Reduzierung von Störungen in einem Kommunikationssystem

Info

Publication number
DE60233292D1
DE60233292D1 DE60233292T DE60233292T DE60233292D1 DE 60233292 D1 DE60233292 D1 DE 60233292D1 DE 60233292 T DE60233292 T DE 60233292T DE 60233292 T DE60233292 T DE 60233292T DE 60233292 D1 DE60233292 D1 DE 60233292D1
Authority
DE
Germany
Prior art keywords
communication system
reducing interference
interference
reducing
communication
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.)
Expired - Lifetime
Application number
DE60233292T
Other languages
English (en)
Inventor
Thomas Kolze
Bruce Currivan
Jonathan Min
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of DE60233292D1 publication Critical patent/DE60233292D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • 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
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive interference cancellation
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • 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
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • 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
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • H04B1/7102—Interference-related aspects the interference being narrowband interference with transform to frequency domain
    • 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
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Error Detection And Correction (AREA)
  • Noise Elimination (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE60233292T 2001-06-08 2002-06-07 Verfahren zur Reduzierung von Störungen in einem Kommunikationssystem Expired - Lifetime DE60233292D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29688401P 2001-06-08 2001-06-08
US10/000,415 US7308050B2 (en) 2001-06-08 2001-11-02 Detection and mitigation of temporary impairments in a communications channel

Publications (1)

Publication Number Publication Date
DE60233292D1 true DE60233292D1 (de) 2009-09-24

Family

ID=26667598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60233292T Expired - Lifetime DE60233292D1 (de) 2001-06-08 2002-06-07 Verfahren zur Reduzierung von Störungen in einem Kommunikationssystem

Country Status (3)

Country Link
US (3) US7308050B2 (de)
EP (1) EP1265389B1 (de)
DE (1) DE60233292D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570576B2 (en) * 2001-06-08 2009-08-04 Broadcom Corporation Detection and mitigation of temporary (bursts) impairments in channels using SCDMA
US7190710B2 (en) * 2001-06-08 2007-03-13 Broadcom Corporation Successive interference canceling for CMDA
US7308050B2 (en) 2001-06-08 2007-12-11 Broadcom Corporation Detection and mitigation of temporary impairments in a communications channel
US6968021B1 (en) * 2001-09-24 2005-11-22 Rockwell Collins Synchronization method and apparatus for modems based on jointly iterative turbo demodulation and decoding
US7274735B2 (en) * 2002-02-28 2007-09-25 Texas Instruments Incorporated Constellation selection in a communication system
US7050516B2 (en) * 2003-03-20 2006-05-23 Broadcom Corporation System and method for periodic noise avoidance in data transmission systems
KR100594275B1 (ko) * 2004-05-14 2006-06-30 삼성전자주식회사 Ｎｔｓｃ 코채널 간섭 제거를 위한 채널 상태 생성 회로를구비한 디지털 텔레비전 수신기 및 그 방법
US7917100B2 (en) 2005-09-21 2011-03-29 Broadcom Corporation Method and system for a double search user group selection scheme with range in TDD multiuser MIMO downlink transmission
US7936808B2 (en) 2005-09-21 2011-05-03 Broadcom Corporation Channel quantization for multiuser diversity
US7917101B2 (en) 2005-09-21 2011-03-29 Broadcom Corporation Method and system for a greedy user group selection with range reduction in TDD multiuser MIMO downlink transmission
US7590921B1 (en) * 2005-12-06 2009-09-15 Adtran, Inc. Data communication system and method
US8401132B2 (en) 2007-10-17 2013-03-19 Broadcom Corporation Interference cancellation with time-varying interference and/or distortion
US8181081B1 (en) 2007-11-30 2012-05-15 Marvell International Ltd. System and method for decoding correlated data
US8213527B2 (en) * 2009-03-25 2012-07-03 Cisco Technology, Inc. Channel variation detection of wireless channel for adaptive transmission schemes
US10158445B2 (en) 2010-09-30 2018-12-18 Avago Technologies International Sales Pte. Limited Compensating for unwanted interference in a communications receiver
US8811546B2 (en) * 2012-06-08 2014-08-19 Rockwell Collins, Inc. Adaptive reference symbol method and apparatus for a receiver
TWI601387B (zh) * 2016-06-22 2017-10-01 晨星半導體股份有限公司 包含錯誤更正程序之解碼裝置及解碼方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224214C2 (de) * 1992-07-22 1995-02-09 Deutsche Forsch Luft Raumfahrt Verfahren zur quellengesteuerten Kanaldecodierung durch Erweiterung des Viterbi-Algorithmus
US5406593A (en) * 1993-08-20 1995-04-11 General Electric Company Adaptive phase-locked loop employing channel state information estimation from received signal phase angles
JP2864988B2 (ja) 1994-06-21 1999-03-08 日本電気株式会社 軟判定信号出力形受信機
US5604730A (en) * 1994-07-25 1997-02-18 Qualcomm Incorporated Remote transmitter power control in a contention based multiple access system
US5671253A (en) * 1995-07-12 1997-09-23 Thomson Consumer Electronics, Inc. Apparatus for demodulating and decoding video signals encoded in different formats
US6581179B1 (en) 1996-06-25 2003-06-17 Ericsson Inc. Methods for generating side information in the presence of time-selective fading
US5751725A (en) * 1996-10-18 1998-05-12 Qualcomm Incorporated Method and apparatus for determining the rate of received data in a variable rate communication system
US5942003A (en) * 1996-12-23 1999-08-24 Lsi Logic Corporation Error burst detector for lowering receiver bit error rate
US5910959A (en) * 1997-01-06 1999-06-08 Conexant Systems, Inc. Control channel for modems
US6438180B1 (en) * 1997-05-09 2002-08-20 Carnegie Mellon University Soft and hard sequence detection in ISI memory channels
US6215827B1 (en) * 1997-08-25 2001-04-10 Lucent Technologies, Inc. System and method for measuring channel quality information in a communication system
GB9821385D0 (en) 1998-10-01 1998-11-25 British Broadcasting Corp Improvements relating to measuring channel state from a received signal and discriminating digital values from a received signal,suitable for use in cofdm
GB2355164B (en) 1999-10-07 2004-06-09 Oak Technology Inc Demodulator circuit
US6298092B1 (en) * 1999-12-15 2001-10-02 Iospan Wireless, Inc. Methods of controlling communication parameters of wireless systems
US6760385B1 (en) * 2000-05-30 2004-07-06 Adtran, Inc. Universal parallel processing decoder
US6691263B2 (en) * 2001-05-03 2004-02-10 Agere Systems Inc. Interative decoding based on dominant error events
US7308050B2 (en) 2001-06-08 2007-12-11 Broadcom Corporation Detection and mitigation of temporary impairments in a communications channel

Also Published As

Publication number Publication date
US20080098287A1 (en) 2008-04-24
US20120134450A1 (en) 2012-05-31
EP1265389A2 (de) 2002-12-11
EP1265389A3 (de) 2005-11-02
US7308050B2 (en) 2007-12-11
EP1265389B1 (de) 2009-08-12
US20020186793A1 (en) 2002-12-12
US8498365B2 (en) 2013-07-30
US8068564B2 (en) 2011-11-29

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