Hierarchical diversity-embedding space-time block coding

被引：0

作者：

Islam, K. M. Zahidul ^{[1
]}

Al-Dhahir, Naofal ^{[1
]}

机构：

[1] Univ Texas, Dept Elect Engn, Dallas, TX 75230 USA

来源：

2006 FORTIETH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, VOLS 1-5 | 2006年

基金：

美国国家科学基金会;

关键词：

D O I：

暂无

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：

We propose a novel space-time transmission scheme with an unequal error protection (UEP) capability by providing different diversity levels and coding gains to the information bits according to their quality-of-service (QoS) requirements. This is achieved by transmitting the information symbols in layers each designed to operate at a different rate and diversity levels. Then, by selecting the information symbols from a hierarchical phase-shift-keying (PSK) constellation with carefully-designed separation angles, a variable coding gain is also realized. Applying this highly-flexible scheme to wireless multicasting, we demonstrate the performance gains in terms of information rates and coverage regions for both the basic and additional multicasting messages.

引用

页码：1274 / +

页数：2

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