In OFDM based Single Frequency Networks (SFNs) such as Digital Audio Broadcasting (DAB) and Digital Video Broadcasting (DVB), the mobile receiver is provided by the same signal from several synchronous transmitters at the same carrier frequency. This transmitter diversity structure makes SFNs very eecient in fading channels with an excellent spectrum saving, and very good power utilization over...

Terrestrial digital broadcasting services in Japan will start in 2003, and conventional analog broadcasting will be terminated in 2011. However, it has been reported that the mobile reception quality for the terrestrial digital broadcasting is significantly reduced for high bit rate transmissions such as high definition television broadcasting. In this study, the reception quality of terrestria...

We are developing an advanced Integrated Services Digital Broadcasting-Terrestrial (ISDB-T) system for the next generation of digital terrestrial television broadcasting. The ISDB-T provides 4K8K broadcasting service fixed reception and 2K mobile simultaneously within one channel. New technologies such as Low-Density Parity-Check (LDPC) code used expanding transmission capacity improving spectr...

Modern Chinese Mandarin has gone through near a hundred years, it is very important to store its representative sample in digital form permanently. In this paper, we propose a Chinese Mandarin Digital Multi-modal Corpus (CMDMC), which is a digital speech museum with diachronic, opened, crossmedia and sharable features. It has over 3460 hours video and audio files with metadata tagging. The mate...