DE60227599D1 - Verbesserungen in Decodern von Mehrträgerssignalen, insbesondere in DVB-T Empfänger - Google Patents

Verbesserungen in Decodern von Mehrträgerssignalen, insbesondere in DVB-T Empfänger

Info

Publication number
DE60227599D1
DE60227599D1 DE60227599T DE60227599T DE60227599D1 DE 60227599 D1 DE60227599 D1 DE 60227599D1 DE 60227599 T DE60227599 T DE 60227599T DE 60227599 T DE60227599 T DE 60227599T DE 60227599 D1 DE60227599 D1 DE 60227599D1
Authority
DE
Germany
Prior art keywords
dvb
decoders
receivers
multicarrier signals
multicarrier
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
DE60227599T
Other languages
English (en)
Inventor
Adrian Paul Robinson
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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 British Broadcasting Corp filed Critical British Broadcasting Corp
Application granted granted Critical
Publication of DE60227599D1 publication Critical patent/DE60227599D1/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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • 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
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE60227599T 2001-05-03 2002-05-01 Verbesserungen in Decodern von Mehrträgerssignalen, insbesondere in DVB-T Empfänger Expired - Lifetime DE60227599D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0110907.3A GB0110907D0 (en) 2001-05-03 2001-05-03 Improvements in decoders for many carrier signals, in particular in DVB-T recievers

Publications (1)

Publication Number Publication Date
DE60227599D1 true DE60227599D1 (de) 2008-08-28

Family

ID=9913989

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60227599T Expired - Lifetime DE60227599D1 (de) 2001-05-03 2002-05-01 Verbesserungen in Decodern von Mehrträgerssignalen, insbesondere in DVB-T Empfänger

Country Status (4)

Country Link
US (1) US7221720B2 (de)
EP (1) EP1255408B1 (de)
DE (1) DE60227599D1 (de)
GB (2) GB0110907D0 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100441510B1 (ko) * 2002-02-01 2004-07-23 삼성전자주식회사 채널상태정보를 적용된 데이터 에러 정정장치
US20060217096A1 (en) * 2003-03-13 2006-09-28 David Le Goff Testing apparatus for digital telecommunication
GB2454193B (en) * 2007-10-30 2012-07-18 Sony Corp Data processing apparatus and method
GB2454196B (en) * 2007-10-30 2012-10-10 Sony Corp Data processsing apparatus and method
US8885761B2 (en) 2003-03-25 2014-11-11 Sony Corporation Data processing apparatus and method
US8155178B2 (en) 2007-10-30 2012-04-10 Sony Corporation 16k mode interleaver in a digital video broadcasting (DVB) standard
US7359311B1 (en) 2003-04-18 2008-04-15 Cisco Technology, Inc. Decoding method and apparatus using channel state information for use in a wireless network receiver
US20040223449A1 (en) * 2003-05-08 2004-11-11 Yih-Ming Tsuie Mode detection for OFDM signals
US8064528B2 (en) 2003-05-21 2011-11-22 Regents Of The University Of Minnesota Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
US7292650B2 (en) * 2003-07-01 2007-11-06 Silicon Integrated Systems Corp. OFDM receiver and metric generator thereof
KR100505694B1 (ko) * 2003-07-09 2005-08-02 삼성전자주식회사 직접 계산 방식에 의한 코드화 직교 주파수 분할 다중화수신기의 채널 상태 평가 장치 및 그 방법
KR100510549B1 (ko) * 2003-09-26 2005-08-26 삼성전자주식회사 코채널 간섭을 검출하고 경감시키는 디지털 비디오 방송수신기의 채널 상태 평가 장치 및 그 방법
WO2005034460A1 (en) * 2003-10-03 2005-04-14 Nokia Corporation Method, system and receiver for receiving a multi-carrier transmission
EP1533917A1 (de) * 2003-11-18 2005-05-25 Mitsubishi Electric Information Technology Centre Europe B.V. Antennendiversitätsschalter für ein Empfangssystem und dieses benutzendes Schalterverfahren
EP1533916A1 (de) * 2003-11-18 2005-05-25 Mitsubishi Electric Information Technology Centre Europe B.V. Diversität-Schalt-Kombinator
KR101050615B1 (ko) * 2004-01-05 2011-07-19 삼성전자주식회사 연판정 복호기를 위한 입력범위 조절 장치 및 방법
US20050204258A1 (en) * 2004-02-13 2005-09-15 Broadcom Corporation Encoding system and method for a transmitter in wireless communications
US8213553B2 (en) * 2004-04-12 2012-07-03 The Directv Group, Inc. Method and apparatus for identifying co-channel interference
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
JP2007533263A (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 同一チャネル干渉を緩和するためのシフトチャネル特性
US8631450B1 (en) * 2004-12-02 2014-01-14 Entropic Communications, Inc. Broadband local area network
ATE514245T1 (de) * 2005-08-26 2011-07-15 Directv Group Inc Verfahren und vorrichtung zur bestimmung von verwürfelungscodes für die signalübertragung
US7590197B2 (en) * 2005-12-20 2009-09-15 Research In Motion Limited Correction circuit for improving performance in a channel decoder
US20070177670A1 (en) * 2006-01-10 2007-08-02 Nathan Elnathan Use of Pilot Symbols for Data Transmission in Uncompressed, Wireless Transmission of Video
KR20070079719A (ko) * 2006-02-03 2007-08-08 삼성전자주식회사 휴대 방송 단말기에서 데이터 수신 장치 및 방법
US8001452B2 (en) * 2006-11-17 2011-08-16 Agere Systems Inc. Methods and apparatus for soft decision decoding using reliability values based on a log base two function
US7634233B2 (en) * 2006-11-27 2009-12-15 Chung Shan Institute Of Science And Technology Transmission system with interference avoidance capability and method thereof
WO2008107511A1 (en) * 2007-03-08 2008-09-12 Nokia Corporation Interoperability of digital broadband broadcasting and cellular communication systems
KR101118662B1 (ko) 2007-06-15 2012-03-07 노키아 코포레이션 광대역 잡음에 의해 야기되는 왜곡의 처리
DK2204002T3 (da) * 2007-10-30 2013-06-17 Sony Corp Anordning og fremgangsmåde til databehandling
EP2403147B1 (de) 2007-10-30 2016-01-06 Sony Corporation Vorrichtungen und Verfahren zur Datenverarbeitung
DE602008000382D1 (de) 2007-10-30 2010-01-21 Sony Corp Vorrichtung und Verfahren zur Datenverarbeitung
GB2460459B (en) * 2008-05-30 2012-07-11 Sony Corp Data processing apparatus and method
US8737190B2 (en) * 2008-11-21 2014-05-27 Samsung Electronics Co., Ltd. Method and system for communication of different modulation formats from a wireless station in a wireless system
US8797837B2 (en) * 2008-12-03 2014-08-05 Samsung Electronics Co., Ltd. System and method for in-phase/quadrature multiplexing
US20100167665A1 (en) * 2008-12-30 2010-07-01 Nokia Corporation Enhanced error correction performance
WO2010095009A1 (en) * 2009-02-23 2010-08-26 Freescale Semiconductor, Inc. Logarithmic detector and method of pre-charging an average filter of a logarithmic detector
FR2952254B1 (fr) * 2009-10-30 2011-11-18 Centre Nat Etd Spatiales Procede de reception et recepteur pour transmission numerique serie codee sur un canal non stationnaire
FR2952253B1 (fr) * 2009-10-30 2011-11-18 Centre Nat Etd Spatiales Procede et dispositif d'evaluation d'une transmission numerique serie codee sur un canal non stationnaire
US8379769B2 (en) * 2010-03-10 2013-02-19 Delphi Technologies, Inc. Communication system utilizing a hierarchically modulated signal and method thereof
US8583996B2 (en) * 2010-07-30 2013-11-12 Michael Anthony Maiuzzo Method and apparatus for determining bits in a convolutionally decoded output bit stream to be marked for erasure
US9124396B2 (en) * 2011-07-28 2015-09-01 Allen LeRoy Limberg COFDM digital television receivers for iterative-diversity reception
US9647865B1 (en) * 2016-03-23 2017-05-09 Allen LeRoy Limberg Iterative-diversity COFDM broadcasting with improved shaping gain
TWI593238B (zh) * 2016-05-17 2017-07-21 晨星半導體股份有限公司 脈衝雜訊偵測電路與方法
KR101967299B1 (ko) * 2017-12-19 2019-04-09 엘지전자 주식회사 방송 신호를 수신하는 차량용 수신 장치 및 방송 신호를 수신하는 차량용 수신 방법
US10291247B1 (en) * 2018-03-07 2019-05-14 Xilinx, Inc. Chopping switch time-skew calibration in time-interleaved analog-to-digital converters
US10608762B2 (en) 2018-04-18 2020-03-31 Inntot Technologies Private Limited Method for improving digital radio mondiale (DRM) acquisition time
CN109889311B (zh) * 2019-03-25 2020-06-12 西安电子科技大学 基于组合编码的间隙信道通信方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134635A (en) * 1990-07-30 1992-07-28 Motorola, Inc. Convolutional decoder using soft-decision decoding with channel state information
AU656972B2 (en) 1991-06-03 1995-02-23 British Telecommunications Public Limited Company QAM system in which the constellation is modified in accordance with channel quality
ES2154666T3 (es) * 1994-04-14 2001-04-16 Cit Alcatel Metodo para detectar cancelaciones en un sistema de transmision de datos multiportadora.
JP3366128B2 (ja) * 1994-09-30 2003-01-14 富士通株式会社 ビタビ復号方式を用いた多値符号化信号の復号器
IL115476A0 (en) 1995-10-01 1996-05-14 Geotek Communications Inc Apparatus and method for determining and using channel state information
JP3654392B2 (ja) 1996-09-02 2005-06-02 ソニー株式会社 データ受信装置および方法
KR100498752B1 (ko) 1996-09-02 2005-11-08 소니 가부시끼 가이샤 비트메트릭스를 사용한 데이터 수신장치 및 방법
JP3684560B2 (ja) 1996-09-03 2005-08-17 ソニー株式会社 データ受信装置および方法
JP3310185B2 (ja) * 1996-11-21 2002-07-29 松下電器産業株式会社 誤り訂正装置
US6151296A (en) * 1997-06-19 2000-11-21 Qualcomm Incorporated Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals
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
GB2346520A (en) * 1998-11-09 2000-08-09 Wi Lan Inc Data recovery in an OFDM system exploiting pilot subcarriers
WO2001008365A1 (en) * 1999-07-08 2001-02-01 Koninklijke Philips Electronics N.V. Receiver with optimal quantization and soft viterbi decoding
GB2355164B (en) * 1999-10-07 2004-06-09 Oak Technology Inc Demodulator circuit
US6487694B1 (en) * 1999-12-20 2002-11-26 Hitachi America, Ltd. Method and apparatus for turbo-code decoding a convolution encoded data frame using symbol-by-symbol traceback and HR-SOVA
WO2001048927A1 (en) * 1999-12-24 2001-07-05 Ensemble Communications, Inc. Method and apparatus for concatenated channel coding
EP1348286B1 (de) * 2000-12-28 2006-07-19 Conexant Systems, Inc. Mehrträgerdemodulator

Also Published As

Publication number Publication date
US7221720B2 (en) 2007-05-22
GB2378364A (en) 2003-02-05
EP1255408A1 (de) 2002-11-06
US20020186797A1 (en) 2002-12-12
EP1255408B1 (de) 2008-07-16
GB0210016D0 (en) 2002-06-12
GB0110907D0 (en) 2001-06-27
GB2378364B (en) 2004-01-14

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Legal Events

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8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN

8364 No opposition during term of opposition