A Study on the SFN Coverage in OFDM Digital Terrestrial Broadcasting

Abstract

SFN(Single Frequency Network) for digital terrestrial broadcasting is expected to come true by using OFDM(Orthogonal Frequency Division Multiplexing). This paper describes the basic study on SFN of 64QAM-OFDM scheme using the existing transmitter sites in analog networks. Two cases of the transmitting condition, with or without delay time of signal distribution to each transmitter, are compared in respect of a coverage probability in Kanto region. In addition it shows the possibility of reducing the low power transmitters in a SFN in comparison with analog networks.