Exploiting Channel Time Selectivity in Pilot-Aided Alamouti STBC Systems

In fast time varying systems, the problem of acquiring the channel coefficients required for symbol decoding commonly arises. A method of resolving this problem is the use of pilot aided channel interpolation techniques which are common in single channel systems. This paper is concerned with the problem of symbol decoding in fast fading space time block coded (STBC) systems. In this paper, we propose an iterative algorithm that substantially improves the performance of pilot aided STBC systems by exploiting the time selectivity of the channel