Super-orthogonal space-time trellis codes for two transmit antennas in fast fading channels

被引:2
作者
Birol, Asli [1 ]
Aygoelue, Uemit [2 ]
机构
[1] Yildiz Tech Univ, Fac Elect & Elect Engn, TR-34349 Istanbul, Turkey
[2] Istanbul Tech Univ, Fac Elect & Elect Engn, TR-34469 Istanbul, Turkey
关键词
wireless communications; fading channels; diversity; space-time coding;
D O I
10.1002/dac.891
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Super-orthogonal space-time trellis codes (SOSTTC) are full rate, full diversity space-time codes with high coding gains for quasi-static fading channels. In this paper, this design approach is extended to fast fading channels and new SOSTTC are proposed for BPSK and QPSK modulations based on the design criteria valid for this type of channels. The new full rate codes have 4- and 16-state trellises for BPSK and QPSK cases, respectively, to avoid parallel transitions which restrict the error performance. The frame error performances are evaluated through computer simulations and it is shown that the proposed codes have superior performance in the fast fading case compared to their counterparts previously given in the literature for fast and quasi-static fading channels. Copyright (C) 2007 John Wiley & Sons, Ltd.
引用
收藏
页码:331 / 341
页数:11
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