Block differentially encoded OFDM with maximum multipath, diversity

被引：29

作者：

Liu, ZQ ^{[1
]}

Giannakis, GB

机构：

[1] Univ Iowa, Dept Elect & Comp Engn, Iowa City, IA 52242 USA

[2] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2003年 / 2卷 / 03期

基金：

美国国家科学基金会;

关键词：

differential encoding; diversity methods; orthogonal frequency-division multiplexing (OFDM);

D O I：

10.1109/TWC.2003.811184

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：

This letter proposes a novel block differentially encoded orthogonal frequency-division multiplexing for multicarier transmissions over frequency-selective fading channels. Choosing appropriate system parameters, me divide the set of correlated subchannels into subsets of independent subchannels. Within each subset, differential unitary space-time modulation is performed by treating each subchannel as a transmit antenna. In, addition to low complexity, the proposed system enjoys maximum multipath diversity and high coding advantages. Analytic evaluation and corroborating simulations reveal its performance merits.

引用

页码：420 / 423

页数：4

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