Opportunistic source scheduling in multi-source two-way relay networks

被引:0
|
作者
Lei, Xianfu [1 ,2 ]
Hu, Rose Qingyang [1 ]
Fan, Lisheng [2 ,3 ]
Wu, Geng [4 ]
机构
[1] Utah State Univ, Dept Elect & Comp Engn, Logan, UT 84322 USA
[2] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Jiangsu, Peoples R China
[3] Shantou Univ, Dept Elect Engn, Shantou, Peoples R China
[4] Intel Corp, Mobile & Commun Grp, Hillsboro, OR 97124 USA
来源
关键词
two-way relay network; opportunistic source scheduling; outage probability; bit error rate; COOPERATIVE NETWORKS; OUTAGE PROBABILITY; ERROR-PROBABILITY; M-QAM; PERFORMANCE; PROTOCOLS; SYSTEMS;
D O I
10.1002/wcm.2528
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We consider a multi-source two-way relay network, in which one source communicates with N other sources (n = 1,2,...,N) with the help of a single amplify-and-forward relay. We propose two opportunistic source scheduling schemes in such a network. According to the proposed schemes, in each transmission interval, only a single out of the N sources is selected, and this selected node acts as either transmitter or receiver depending on the channel conditions. For both schemes, tight closed-form lower bounds of outage probability and bit error rate (BER) are derived. Asymptotic outage probability and BER that are valid for high signal-to-noise ratio regime are also analyzed, which can provide important insights on the impact of system parameters. The analytical results show that the full diversity order N + 1 can be achieved by both proposed schemes. Simulation results are also presented to corroborate the analysis. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码:459 / 468
页数:10
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