Higher Code Rate and Full Diversity Space Time Block Code Based on Partial Interference Cancellation Group

Ali Azarbar

Abstract


In this paper a new systematic PIC-STBC (Partial Interference Cancellation Space Time Block Code) design is proposed for MIMO (Multi-input Multi-output) systems for any transmit antennas. The proposed code uses PIC decoding scheme to decode transmitted symbols at the receiver. The Proposed PIC group STBC design which achieves full diversity and has higher code rate compared with the best known PIC-STBC designs. As a special case for four transmit antennas our code has code rate of with while the all previously proposed PIC-STBC designs have the code rate of . Also, the new code has complexity decoding the same as conventional PIC group STBC design. Simulation results show that the proposed code achieves full diversity and gives higher coding gain which results into lower BER (Bit Error Rate) compared with the all previously proposed PIC-STBC designs.

Keywords


MIMO system; STBC; PIC decoder; full diversity; BER

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