Comparative Performance of Differential Space-Time Block Codes Over Time-Selective Fading Channels

被引：0

作者：

Kang, Sung-Ho ^{[1
]}

Kim, Young-Ju ^{[1
]}

Lee, In-Sung ^{[1
]}

机构：

[1] Texas A&M Univ, College Stn, TX 77843 USA

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF KOREA | 2006年 / 25卷 / 08期

关键词：

MSDD; Time selective rayleigh fading; STBC; Differential detection; Transmit diversity;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We present the performance of differential space-time block decoders, which does not require the channel state information. We suggest the structure of the multiple blocks differential space time decoders, which does not require the channel state information, and analyze the performances. In quasi-static flat fading channels, the performance of multiple blocks differential detection (MD-STC) outperforms that of 2 blocks (D-STC) by 1.5dB. But in the time-selective fading channels due to Doppler frequency (fd), the performance of MD-STC degrades as the vehicular speed is greater than 200km/hr in 802.16e systems, where the data transmission rate is 144kbps.

引用

页码：356 / 361

页数：6

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