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Journal Article
Equalization Digital On-Channel Repeater in the Single Frequency Networks
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- Issue Date
- 2006-06
- Citation
- IEEE Transactions on Broadcasting, v.52, no.2, pp.137-146
- ISSN
- 0018-9316
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Project Code
- 05MR1300, Terrestrial DTV RSFN OCR technology development, Seung Won Kim
- Abstract
- 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 time system processing delay. Lab. and Field test results show that the EDOCR can eliminate the loop-back signal up to 5.5 dB with 5.5 μs system processing delay. By using EDOCR, we can save spectrum resources and extend coverage areas. © 2006 IEEE.
- KSP Keywords
- Field Test, Long Time, Low-cost, Power Limit, Processing Delay, Short time, Signal quality, Time system, single frequency