Enhanced-xVSB system development for mobile/portable reception

This paper describes the advanced dual stream system for improving mobile/pedestrian reception performance to the ATSC DTV 8-VSB transmission standard. The proposed system can transmit a mixture of normal (8-VSB) stream and enhanced (robust) stream. The robust stream has a lower threshold of visibil...

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Bibliographic Details
Published inIEEE transactions on consumer electronics Vol. 51; no. 2; pp. 419 - 423
Main Authors Kim, Seung-Won, Ji, Kum-Ran, Lee, Jae-Young, Kim, Sung-Hoon, Lee, Soo-In
Format Journal Article
LanguageEnglish
Published New York IEEE 01.05.2005
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Constellations
Digital TV
Electronics
Legacy
Modulation
Modulation coding
Payloads
Pedestrians
Radio frequency
Receivers
Receiving antennas
Robustness
Standards development
Streams
System testing
Transmitting antennas
TV broadcasting
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Summary:This paper describes the advanced dual stream system for improving mobile/pedestrian reception performance to the ATSC DTV 8-VSB transmission standard. The proposed system can transmit a mixture of normal (8-VSB) stream and enhanced (robust) stream. The robust stream has a lower threshold of visibility (TOV) compared to the standard stream, and legacy receivers ignore the robust packets. Thus, the enhanced-xVSB system is fully backward compatible with a current ATSC standard. For more robust transmission support, E-xVSB system adopts a reduced constellation method as well as enhanced trellis-coded modulation scheme. E-xVSB system supports a variety of enhanced modulation schemes: pseudo-2VSB, enhanced-4VSB, modified enhanced-8VSB and hybrid-VSB. The proposed system has been tested in the lab, and the testing results are shown in this paper.
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ISSN:0098-3063
1558-4127
DOI:10.1109/TCE.2005.1467981