On space-time trellis-coded offset QPSK

被引：1
|
作者：
Dang, Xiaoyu [1 ]
Rice, Michael [1 ]
机构：
[1] Brigham Young Univ, Dept Elect & Comp Engn, Provo, UT 84602 USA
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13 | 2008年
关键词：
D O I：
10.1109/ICC.2008.766
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes the use of orthogonal space-time block codes to overcome the performance and complexity difficulties associated with the use of an offset modulation with space-time trellis codes in multiple-input, multiple-output communication systems. The orthogonal space-time block code is applied to offset QPSK modulated waveforms in the same way it would be applied to symbols. The procedure allows the receiver to orthogonalize the link. The main benefits of this orthogonalization are 1) the removal of the noise correlation at the input to the space-time trellis decoder and 2) the elimination of I/Q interference resulting from multi-antenna transmission. These benefits are achieved at the expense of data rate. The data rate reduction is a function of the rate of the orthogonal space-time block code.
引用
收藏
页码：4079 / 4083
页数：5
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