Efficient signal detection technique for interactive digital broadcasting system with multiple antennas

DVB standards are currently being implemented in various countries, not only in Europe, but also around the world. In order to meet various consumers' demands, the DVB standards support interactive services. Among the interactive broadcasting services, DVB-RCT based on OFDM can be used for interactive broadcasting service in terrestrial broadcasting network. To improve the DVB-RCT system performance, a combining of MIMO signal processing with OFDM is very efficient solution. To detect the received MIMO signal with low complexity, an efficient detection technique with K-best scheme is proposed in this paper. The proposed technique can overcome the limitations of K-best scheme which are performance limitation and high complexity.

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