TW200723803A - Apparatus and method for sensing an ATSC signal in low signal-to-noise ratio - Google Patents

Apparatus and method for sensing an ATSC signal in low signal-to-noise ratio

Info

Publication number
TW200723803A
TW200723803A TW095140876A TW95140876A TW200723803A TW 200723803 A TW200723803 A TW 200723803A TW 095140876 A TW095140876 A TW 095140876A TW 95140876 A TW95140876 A TW 95140876A TW 200723803 A TW200723803 A TW 200723803A
Authority
TW
Taiwan
Prior art keywords
signal
atsc
channels
atsc signal
sensing
Prior art date
Application number
TW095140876A
Other languages
English (en)
Chinese (zh)
Inventor
Wen Gao
Paul Gothard Knutson
Joshua Lawrence Koslov
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of TW200723803A publication Critical patent/TW200723803A/zh

Links

Classifications

    • 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)
TW095140876A 2005-11-04 2006-11-03 Apparatus and method for sensing an ATSC signal in low signal-to-noise ratio TW200723803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73371305P 2005-11-04 2005-11-04

Publications (1)

Publication Number Publication Date
TW200723803A true TW200723803A (en) 2007-06-16

Family

ID=37256919

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095140876A TW200723803A (en) 2005-11-04 2006-11-03 Apparatus and method for sensing an ATSC signal in low signal-to-noise ratio
TW095140875A TW200740229A (en) 2005-11-04 2006-11-03 Apparatus and method for sensing an ATSC signal in low signal-to-noise ratio

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW095140875A TW200740229A (en) 2005-11-04 2006-11-03 Apparatus and method for sensing an ATSC signal in low signal-to-noise ratio

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8750804B2 (en) 2009-05-31 2014-06-10 Qualcomm Incorporated Applying spurious interference rejection to detect incumbent users of television channels

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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
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US20120275354A1 (en) * 2011-04-26 2012-11-01 Nxp B.V. Asymmetric white space communications
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8750804B2 (en) 2009-05-31 2014-06-10 Qualcomm Incorporated Applying spurious interference rejection to detect incumbent users of television channels

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
CN101310552A (zh) 2008-11-19
TW200740229A (en) 2007-10-16
CA2627438A1 (en) 2007-05-18
JP2009515423A (ja) 2009-04-09
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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