An orthogonal space-time coded partial response CPM system with fast decoding for two transmit antennas

被引：20
|
作者：
Wang, D [1 ]
Wang, GY [1 ]
Xia, XG [1 ]
机构：
[1] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2005年 / 4卷 / 05期
基金：
美国国家科学基金会;
关键词：
continuous phase modulation; differential encoding; M-algorithm; orthogonal space-time coding;
D O I：
10.1109/TWC.2005.853913
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：
In this paper, an orthogonal space-time coded partial response continuous phase modulation (OST-PCPM) system with two transmit antennas is proposed. It can achieve full diversity with arbitrary inner memory length and phase smoothing functions of CPM schemes. Based on the orthogonality between signals from two transmit antennas and the proposed differential encoding scheme, a fast decoding algorithm is developed for some special cases. Simulation results show that this scheme can provide much better performance with a reasonable complexity, as compared to one transmit antenna CPM scheme. We also give a suboptimal decoding method that provides a tradeoff between complexity and performance.
引用
收藏
页码：2410 / 2422
页数：13
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