12-5 多値OFDMを用いた地上系ディジタル放送用変調方式の一検討

抄録

The scope of applications of OFDM can be expanded by combining it with Trellis Coded Modulation (TCM). This TCM-OFDM system can transmit a much larger number of data bits than conventional OFDM within the same frequency bandwidth, causing almost no degradation of bit error rate performance. This paper describes the concept of the TCM-OFDM system for terrestrial digital broadcasting, and gives simulation results of the bit error rate performances.