A Non-Full Spreading Full-Diversity Full-Rate STBC Design for Multiple Antennas BICM-ID Systems

Non-full spreading space-time block code (NFS-STBC) means the time period of one block is less than the number of transmit antennas(s <; n_t). NFS-STBC, compared with the conventional full spreading STBC (FS-STBC), have higher transmission rate but usually lower diversity order. In this paper, by considering the combination of STBC with bit- interleaved coded QAM modulations (BICM) systems, we propose a non-full spreading full-diversity full- rate STBC transmitted over frequency non-selective multiple antenna channels. The NFS-STBC is designed based on the combination of couples of principles, including minimal complexity, the D.N.A criterion and fast convergence, and does not require the knowledge of the channel matrix at the transmitter side. The simulation results show that the proposed NFS-STBC achieves the maximum diversity order, full rate and high coding gain with low detecting complexity.