CN101310552A - 在低信噪比下感测高级电视系统委员会信号的装置和方法 - Google Patents

在低信噪比下感测高级电视系统委员会信号的装置和方法 Download PDF

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Publication number
CN101310552A
CN101310552A CNA2006800408599A CN200680040859A CN101310552A CN 101310552 A CN101310552 A CN 101310552A CN A2006800408599 A CNA2006800408599 A CN A2006800408599A CN 200680040859 A CN200680040859 A CN 200680040859A CN 101310552 A CN101310552 A CN 101310552A
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CN
China
Prior art keywords
signal
atsc
received
detector
channels
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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.)
Pending
Application number
CNA2006800408599A
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English (en)
Chinese (zh)
Inventor
高文
保罗·G·克努森
乔舒亚·L·科斯洛夫
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Thomson Licensing SAS
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Thomson Licensing SAS
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Filing date
Publication date
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Publication of CN101310552A publication Critical patent/CN101310552A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
CNA2006800408599A 2005-11-04 2006-06-05 在低信噪比下感测高级电视系统委员会信号的装置和方法 Pending CN101310552A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73371305P 2005-11-04 2005-11-04
US60/733,713 2005-11-04

Publications (1)

Publication Number Publication Date
CN101310552A true CN101310552A (zh) 2008-11-19

Family

ID=37256919

Family Applications (2)

Application Number Title Priority Date Filing Date
CNA2006800408599A Pending CN101310552A (zh) 2005-11-04 2006-06-05 在低信噪比下感测高级电视系统委员会信号的装置和方法
CNA2006800407929A Pending CN101300833A (zh) 2005-11-04 2006-11-01 以低信噪比感测高级电视系统委员会信号的装置和方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNA2006800407929A Pending CN101300833A (zh) 2005-11-04 2006-11-01 以低信噪比感测高级电视系统委员会信号的装置和方法

Country Status (9)

Country Link
US (2) US20090161024A1 (enExample)
EP (2) EP1949715A1 (enExample)
JP (2) JP4979025B2 (enExample)
KR (2) KR20080068833A (enExample)
CN (2) CN101310552A (enExample)
BR (2) BRPI0618248A2 (enExample)
CA (2) CA2627462A1 (enExample)
TW (2) TW200723803A (enExample)
WO (2) WO2007053195A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1952649A4 (en) * 2005-11-07 2011-04-06 Agency Science Tech & Res METHOD AND EQUIPMENT FOR ALLOCATING FREQUENCY RANGES
WO2007094812A1 (en) * 2006-02-16 2007-08-23 Thomson Licensing Apparatus and method for sensing an atsc signal in low signal-to-noise ratio
US20070248076A1 (en) * 2006-04-21 2007-10-25 Samsung Electronics Co., Ltd. Method and system for improving frame synchronization, channel estimation and access in wireless communication networks
CN101682845B (zh) * 2007-06-15 2013-06-05 汤姆逊许可证公司 通过测量功率谱密度(psd)和循环谱检测包含正弦波成分的信号
US7792156B1 (en) * 2008-01-10 2010-09-07 Rosum Corporation ATSC transmitter identifier signaling
JP2010213243A (ja) * 2009-03-12 2010-09-24 Ntt Docomo Inc 無線通信システムの無線局で使用される制御装置及び制御方法
US8750804B2 (en) 2009-05-31 2014-06-10 Qualcomm Incorporated Applying spurious interference rejection to detect incumbent users of television channels
US20120275354A1 (en) * 2011-04-26 2012-11-01 Nxp B.V. Asymmetric white space communications
KR102162491B1 (ko) 2014-01-06 2020-10-06 삼성전자주식회사 저전력 엔벨로프 검출 수신기에서 간섭 신호를 검출하는 방법 및 장치

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823387A (en) * 1987-05-08 1989-04-18 Rca Licensing Corporation Television tuning system with provisions for tuning RF signals with scrambled video information
US5410368A (en) * 1993-12-29 1995-04-25 Zenith Electronics Corp. Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval
JPH07297805A (ja) * 1994-04-28 1995-11-10 Toshiba Corp スペクトラム拡散符号の同期回路および同期方法
US5629958A (en) * 1994-07-08 1997-05-13 Zenith Electronics Corporation Data frame structure and synchronization system for digital television signal
US5583889A (en) * 1994-07-08 1996-12-10 Zenith Electronics Corporation Trellis coded modulation system for HDTV
US6307868B1 (en) * 1995-08-25 2001-10-23 Terayon Communication Systems, Inc. Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
US5675629A (en) * 1995-09-08 1997-10-07 At&T Cordless cellular system base station
US6445425B1 (en) * 1997-01-07 2002-09-03 Samsung Electronics Co., Ltd. Automatic fine tuning of receiver for digital television signals
US6061096A (en) * 1997-03-19 2000-05-09 Samsung Electronics Co., Ltd. Digital-and-analog-TV-signal receivers, each with single first detector and shared high-band I-F amplification
US5852477A (en) * 1997-06-25 1998-12-22 Samsung Electronics Co., Ltd. Digital TV receivers with poly-phase analog-to-digital conversion of baseband symbol coding
US6233295B1 (en) * 1998-08-26 2001-05-15 Thomson Licensing S.A. Segment sync recovery network for an HDTV receiver
US6108049A (en) * 1998-03-13 2000-08-22 Samsung Electronics Co., Ltd. Circuitry operative on symbol decoding results for synchronizing data fields in a digital television receiver
US6449325B1 (en) * 1998-03-13 2002-09-10 Samsung Electronics Co., Ltd. Circuitry operative on selected symbol slicing results for synchronizing data fields in a digital television receiver
KR100275708B1 (ko) * 1998-12-31 2000-12-15 윤종용 아날로그 방송의 채널 간섭을 개선한 디지털방송 신호 처리 장치 및 방법
US6369857B1 (en) * 1999-05-13 2002-04-09 Sarnoff Corporation Receiver for analog and digital television signals
US6529558B1 (en) * 1999-05-27 2003-03-04 Zenith Electronics Corporation Coding and decoding a signal modified in accordance with the feedback states of an encoder
AU5932400A (en) * 1999-07-16 2001-02-05 Thomson Licensing S.A. Method and apparatus for autoprogramming a television receiver
US6559894B2 (en) * 1999-10-21 2003-05-06 Digeo, Inc. Block-adaptive equalization using partial decision feedback in digital broadcast communications
US6754170B1 (en) * 2000-09-29 2004-06-22 Symbol Technologies, Inc. Timing synchronization in OFDM communications receivers
JP3589178B2 (ja) * 2000-11-29 2004-11-17 船井電機株式会社 ディジタル／アナログテレビジョン信号受信機
US6522297B1 (en) * 2001-02-02 2003-02-18 Rosum Corporation Position location using ghost canceling reference television signals
US6861984B2 (en) * 2001-02-02 2005-03-01 Rosum Corporation Position location using broadcast digital television signals
JP2002247462A (ja) * 2001-02-15 2002-08-30 Funai Electric Co Ltd 受信装置
US6675012B2 (en) * 2001-03-08 2004-01-06 Nokia Mobile Phones, Ltd. Apparatus, and associated method, for reporting a measurement summary in a radio communication system
US20020150185A1 (en) * 2001-03-29 2002-10-17 Joseph Meehan Diversity combiner for reception of digital television signals
JP2002374430A (ja) * 2001-04-09 2002-12-26 Matsushita Electric Ind Co Ltd 同期検出装置
CN1275417C (zh) * 2001-04-09 2006-09-13 松下电器产业株式会社 同步检测装置
US7012981B2 (en) * 2001-04-17 2006-03-14 Cyntrust Communications, Inc. Method and apparatus for improving data frame synchronization in a low SNR environment
US7010269B2 (en) * 2001-05-07 2006-03-07 Koninklijke Philips Electronics N.V. Pre-equalizer structure based on PN511 sequence for terrestrial DTV reception
US7321642B2 (en) * 2002-04-05 2008-01-22 Micronas Semiconductors, Inc. Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
TWI243594B (en) * 2002-07-24 2005-11-11 Silicon Integrated Sys Corp Adaptive equalizer method and apparatus for American ATSC system
WO2004015992A1 (en) * 2002-08-07 2004-02-19 Thomson Licensing S.A. Method and apparatus for performing channel detection
US7143796B2 (en) * 2002-08-26 2006-12-05 Arasmith Stanley D Wood-reducing apparatus with continual feeder assembly
KR20040025516A (ko) * 2002-09-19 2004-03-24 삼성전자주식회사 단일반송파수신기의 채널등화기 및 그의 등화방법
JP2004179928A (ja) * 2002-11-27 2004-06-24 Hitachi Ltd デジタル放送受信装置、受信方法および受信回路
KR100706698B1 (ko) * 2003-03-10 2007-04-13 가부시키가이샤 버팔로 액세스 포인트
KR100503091B1 (ko) * 2003-07-28 2005-07-21 삼성전자주식회사 디지털 텔레비전의 채널 스캔 방법
GB2411793A (en) * 2004-03-02 2005-09-07 Agilent Technologies Inc Disseminating control information to a wireless communications device
US7545888B2 (en) * 2004-04-09 2009-06-09 Micronas Semiconductors, Inc. Apparatus for and method of controlling a digital demodulator coupled to an equalizer
KR100603202B1 (ko) * 2004-06-28 2006-07-24 삼성전자주식회사 Ｌｍｓ 등화기의 스텝사이즈 자동 제어방법 및 제어장치
TWI279130B (en) * 2004-07-06 2007-04-11 Realtek Semiconductor Corp Interference detecting circuit for use in ATSC system and method thereof
TWI252690B (en) * 2004-07-29 2006-04-01 Realtek Semiconductor Corp Digital TV receiver with antenna diversity
US7573847B2 (en) * 2005-06-27 2009-08-11 Intel Corporation Media distribution system
US20070028273A1 (en) * 2005-07-28 2007-02-01 Zanaty Farouk M Wireless satellite transverser with secured wireless infrastructure/ad-hoc modes

Also Published As

Publication number Publication date
US20090161024A1 (en) 2009-06-25
BRPI0618230A2 (pt) 2011-08-23
CA2627462A1 (en) 2007-05-10
JP2009515438A (ja) 2009-04-09
KR20080068833A (ko) 2008-07-24
WO2007053195A1 (en) 2007-05-10
CN101300833A (zh) 2008-11-05
EP1949715A1 (en) 2008-07-30
EP1952626A1 (en) 2008-08-06
JP4979025B2 (ja) 2012-07-18
KR20080065274A (ko) 2008-07-11
TW200740229A (en) 2007-10-16
CA2627438A1 (en) 2007-05-18
JP2009515423A (ja) 2009-04-09
TW200723803A (en) 2007-06-16
JP5006884B2 (ja) 2012-08-22
US20090153748A1 (en) 2009-06-18
CA2627438C (en) 2014-10-14
BRPI0618248A2 (pt) 2011-08-23
WO2007056080A1 (en) 2007-05-18
KR101375571B1 (ko) 2014-03-18

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SE01 Entry into force of request for substantive examination
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Open date: 20081119