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Equalization Digital On-Channel Repeater for Single Frequency Network Composition of ATSC Terrestrial Digital TV Broadcasting  

Park Sung Ik (Digital Broadcasting Research Division, ETRI)
Eum Homin (Digital Broadcasting Research Division, ETRI)
Lee Yong-Tae (Digital Broadcasting Research Division, ETRI)
Kim Heung Mook (Digital Broadcasting Research Division, ETRI)
Seo Jae Hyun (Digital Broadcasting Research Division, ETRI)
Kim Hyoung-Nam (Department of Electronics Engineering, Pusan National University)
Kim Seung Won (Digital Broadcasting Research Division, ETRI)
Publication Information
Journal of Broadcast Engineering / v.9, no.4, 2004 , pp. 371-383 More about this Journal
Abstract
In this paper we consider technological requirements to broadcast digital television signals using single frequency networks (SFN) in the Advanced Television Systems Committee (ATSC) transmission systems and propose equalization digital on-channel repeater (EDOCR) that overcomes the limitations of conventional digital on-channel repeaters (DOCRs). Since there are no forward error correction (FEC) decoder and encoder, the EDOCR does not have an ambiguity problem. In addition, since an adaptive equalizer in the EDOCR removes multi-path signals, additive white Gaussian noise (A WGN), and feedback signal due to low antenna isolation, the EDOCR may have good output signal quality with high power.
Keywords
ATSC; SFN; EDOCR;
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