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학술지 Implementation and Field Trials of OFDM-Based Digital Video Broadcasting System in Commercial Broadcasting Network for Multichannel UHD Service
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저자
라상중, 백명선, 송진혁, 최동준, 정준영, 김철성
발행일
201901
출처
Wireless Communications and Mobile Computing, v.2019, pp.1-10
ISSN
1530-8669
출판사
Hindawi Publishing
DOI
https://dx.doi.org/10.1155/2019/1649413
협약과제
18HR2900, 광 IP 네트워크 기반 스마트 미디어 양방향 연동을 위한 RF-signal over IP 기술 개발, 정준영
초록
This paper describes design and implementation of an OFDM-based digital video broadcasting system test platform for multichannel ultra-high definition (UHD) broadcasting services. The developed digital video broadcasting system test platform has been installed in commercial broadcasting station, and trial broadcasting service of the system has been performed through the commercial in-service network. For the performance measurement, field test is also executed. To evaluate the practical performance of the implemented system, a commercial broadcasting set-top box is used. Furthermore, by using measurement receiver, various system performances have been evaluated such as BER, PER, and CNR. Because high efficiency video coding (HEVC) can successfully transmit multimedia contents with a raw data rate of 51.6 Mbps, a multichannel UHD service can be serviced in a single physical 6MHz channel.
KSP 제안 키워드
Broadcasting system, Digital video broadcasting, Field Test, Field trial, In-Service, Multimedia contents, Performance measurement, Service network, Set-top-box(STB), Test platform, Ultra-high definition
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