Distributed Space-Time-Frequency Coding for Broadband Wireless Relay Networks

被引：4
|
作者：
Yang, Weiwei [1 ]
Cai, Yueming [1 ]
Zheng, Baoyu [2 ]
机构：
[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Jiangsu, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Nanjing 210003, Jiangsu, Peoples R China
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2012年 / 61卷 / 01期
基金：
美国国家科学基金会;
关键词：
Cooperative diversity; distributed space-time-frequency coding (DSTFC); multipath channel; COOPERATIVE DIVERSITY; PROTOCOLS;
D O I：
10.1109/TVT.2011.2169095
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, a class of distributed space-time-frequency codes (DSTFCs) is proposed for broadband wireless relay networks. New DSTFCs employ subcarrier grouping and linear constellation precoding at the source node and distributed linear dispersion coding at the relay nodes, which can achieve both full spatial and multipath diversity. We further show that many existing coding constructions, including distributed space-time block coding (DSTBC), distributed space-frequency coding (DSFC), and distributed cyclic delay coding (DCDC), can be the special cases of our proposed DSTFCs. The simulation results are presented to verify the theoretical analysis.
引用
收藏
页码：15 / 21
页数：7
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