Abstract:For improving the performance of MIMO system with quasi-orthogonal STBC exploiting the channel knowledge, a new transmitter scheme combining the linear precoding matrix is proposed. Before sending out from the transmit antennas, the information is sent into the space-time encoder, then is processed by a precoder matrix. Exploiting the channel correlation and mean, the linear precoder is designed based on the Pair-wise Error Probability (PEP). Simulation results show that significant gain in BER of the new system can be obtained compared with the unprecoded system.
刘雪芳; 傅丰林. 基于准正交空时码的最优线性预编码矩阵设计[J]. 电子与信息学报, 2008, 30(2): 401-403 .
Liu Xue-fang; Fu Feng-lin. Optimal Linear Precoding Design Based on the Quasi-Orthogonal STBC. , 2008, 30(2): 401-403 .