DECISION-FEEDBACK DETECTION FOR BLOCK DIFFERENTIAL SPACE-TIME MODULATION
摘要
<p>Time variation on fading channels hinders accurate channel estimation in differential space-time modulation and deteriorates the performance. Decision-feedback differential detection is employed for block differential space-time modulation, and compared with conventional differential space-time modulation. It is observed that the proposed scheme does not suffer effective fading bandwidth expansion, as does the conventional scheme. An improved effective signal-to-noise ratio approach is proposed for analyzing the performance of the proposed scheme in time-varying flat Rayleigh fading. Theoretical analysis and simulations show the improved performance of the proposed scheme over the conventional scheme.</p>
申请公布号
WO2008025149(A1)
申请公布日期
2008.03.06
申请号
WO2007CA01518
申请日期
2007.08.31
申请人
THE GOVERNORS OF THE UNIVERSITY OF ALBERTA;BEAULIEU, NORMAN, C.;DU, ZHENG