Equalization digital on-channel repeater in the single frequency networks

@article{Kim2006EqualizationDO,
  title={Equalization digital on-channel repeater in the single frequency networks},
  author={Seung Won Kim and Yong-Tae Lee and Sung Ik Park and Homin Eum and Jae Hyun Seo and Heung Mook Kim},
  journal={IEEE Transactions on Broadcasting},
  year={2006},
  volume={52},
  pages={137-146}
}
Digital On-Channel Repeater (DOCR) can be used for Single Frequency Networks (SFN's). It is much simple and low cost compared to Distributed Transmitter which needs Studio to Transmitter Link (STL). However, traditional DOCR has one of those defects such as a power limit, a long time system processing delay or a poor output signal quality. In order to overcome all of those defects, we introduce Equalization DOCR (EDOCR) which regenerates the original 8-VSB output signal with relatively short… 
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The proposed EDOCR with an FIC not only has high output power by the cancellation of feedback signals caused by insufficient antenna isolation through the FIC, but also shows better quality of output signals than conventional digital on-channel repeaters (DOCRs) by removing multipath signals existing between the main transmitter and DOCR.
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The proposed frequency synchronization technique for the equalization digital on-channel repeater (EDOCR) in ATSC system uses the frequency offset information that comes from carrier and symbol timing recovery in the receiving part of EDOCR when the demodulated symbol is re-modulated in transmitting part.
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The proposed EDOCR with an FIC not only has high output power by the cancellation of feedback signals caused by insufficient antenna isolation through the FIC, but also shows better quality of output signals than conventional digital on-channel repeaters (DOCRs) by removing multipath signals existing between the main transmitter and DOCR.
An EDOCR with a Feedback Interference Canceller for the ATSC Terrestrial DTV System
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Pre- and post-FFT MISO processing for digital on-channel repeater with receive antenna arrays
  • S. Jeon, J. Choi, Jongsoo Seo
  • Business, Computer Science
    IEEE international Symposium on Broadband Multimedia Systems and Broadcasting
  • 2012
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A novel digital on-channel repeater (DOCR) for T-DMB system where DOCR is equipped with multiple receive antennas, and two different techniques for MISO processing are proposed, named MRC- DOCR and MMSE-DOCR.
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