A Distributed Differential Space-Time Coding Scheme With Analog Network Coding in Two-Way Relay Networks

被引：22
|
作者：
Huo, Qiang [1 ]
Song, Lingyang [1 ]
Li, Yonghui [2 ]
Jiao, Bingli [1 ]
机构：
[1] Peking Univ, State Key Lab Adv Opt Commun Syst & Networks, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
[2] Univ Sydney, Sydney, NSW 2006, Australia
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2012年 / 60卷 / 09期
基金：
中国国家自然科学基金; 澳大利亚研究理事会; 高等学校博士学科点专项科研基金;
关键词：
Analog network coding; distributed differential space-time coding; two-way relay network; AMPLIFY-AND-FORWARD; DIVERSITY; CODES; MODULATION;
D O I：
10.1109/TSP.2012.2202654
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 correspondence, we consider general two-way relay networks (TWRNs) with two source and relay nodes. A distributed differential space time coding with analog network coding (DDSTC-ANC) scheme is proposed. A simple blind estimation and a differential signal detector are developed to recover the desired signal at each source. The pairwise error probability (PEP) and block error rate (BLER) of the DDSTC-ANC scheme are analyzed. Exact and simplified PEP expressions are derived. To improve the system performance, the optimum power allocation (OPA) between the source and relay nodes is determined based on the simplified PEP expression. The analytical results are verified through simulations.
引用
收藏
页码：4998 / 5004
页数：8
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