Linear Receivers for Full-Diversity Training Space-Time Block Codes

A noncoherent flat-fading wireless communication system having multiple transmitter antennas and a single receiver antenna [multiple-input-single-output (MISO)] is considered in this paper, with focus on error performance analysis of a training space-time block code (STBC) for a square quadrature amplitude modulation (QAM) constellation using linear receivers. For such a system, a noncoherent training zero-forcing (ZF) receiver is proposed and proven to be able to extract full diversity from a training STBC, with the underlying coherent code enabling full diversity for the coherent ZF receiver. Comprehensive computer simulations verify the theoretic analysis provided in this paper.