Summary
International Technical Conference on Circuits/Systems, Computers and Communications
2008
Session Number:P1
Session:
Number:P1-106
Efficient Maximum Likelihood Approach to Channel Estimation for Space-Time Coded Systems
Tomoya Aizawa, Teruyuki Miyajima,
pp.-
Publication Date:2008/7/7
Online ISSN:2188-5079
Summary:
In wireless communication systems, there is a performance degradation due to fading. Orthogonal space-time block coded (OSTBC) systems are known to be useful to improve the performance in fading channels. In OSTBC systems, the knowledge of the channel is required to detect symbols. This paper proposes a channel estimation method using M-algorithm. The proposed method can drastically reduce a computational complexity of the maximum likelihood approach and provide sufficient estimate accuracy. Simulation results show the effectiveness of the proposed method.