주파수 및 시간 분할 다중화 기반 디지털 방송 신호 전송 방식
서재현, 이용태, 김흥묵, 임형수, 박성익, 임종수, 이수인
- 9246806 (2016.01.26)
07MR2500, 지상파 DTV 분산중계 기술개발,
- In a digital broadcasting signal transmission system, a transmission frame includes a frame body and a frame header, and the frame body is divided into a plurality of sub-bands in the frequency domain and is divided into a plurality of symbols in the time domain. The frame header is provided in the former part of the transmission frame and is transmitted with a signal in the time domain. The frame body includes a plurality of services, and the services respectively receive at least one sub-band and at least one symbol. The frame header includes information on the plurality of services, and information on the plurality of services includes information on the sub-band and the symbol to which the services are allocated, information on channel encoding levels of the services, and information on digital modulation levels of the services.
- KSP 제안 키워드
- Digital Broadcasting, Digital Modulation, Recording medium, Signal transmission, Transmission system, channel encoding, frequency domain(FD), sub-band, time-domain