[1] Xu YanliXia Weiwei, Shen Lianfeng,. Relay selection region and system performance analysisfor interfered cooperative ad-hoc networks [J]. Journal of Southeast University (English Edition), 2012, 28 (1): 8-13. [doi:10.3969/j.issn.1003-7985.2012.01.002]

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Relay selection region and system performance analysisfor interfered cooperative ad-hoc networks()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

28

Issue:

2012 1

Page:

8-13

Research Field:

Information and Communication Engineering

Publishing date:

2012-03-30

Info

Title:

Relay selection region and system performance analysisfor interfered cooperative ad-hoc networks

Author(s):

Xu YanliXia Weiwei;  Shen Lianfeng

National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China

Keywords:

cooperation;  interference;  relay selection;  outage probability;  transmission capacity;  stochastic geometry analysis

PACS:

TN915

DOI:

10.3969/j.issn.1003-7985.2012.01.002

Abstract:

The performance of interfered cooperative ad-hoc networks is analyzed by stochastic geometry analysis and a selection region of relay is presented. First, assuming that the distribution of nodes in the random network follows the Poisson point process(PPP), a closed-form expression of the outage probability is derived for the best relay selection(BRS)scheme. Secondly, the capacity of the network is presented for this scheme. Finally, a performance factor is defined to evaluate the performance gain obtained from the BRS. By using this factor, a relay selection region is found to guarantee the performance gain from the BRS. The analysis and simulation results show that the performance of the BRS not only depends on the densities of source nodes and relay nodes but also on the factors of networks such as the path loss factor and the decoding threshold. And the BRS has a greater advantage than direct transmission(DT)in hush environments such as the long transmission distances, much interference and the high decoding thresholds.

References:

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Memo

Memo:

Biographies: Xu Yanli(1984—), female, graduate; Shen Lianfeng(corresponding author), male, professor, lfshen@seu.edu.cn.
Foundation items: The National Science and Technology Major Project(No.2011ZX03005-004-03), the National Natural Science Foundation of China(No.61171081), the Science and Technology Support Program of Jiangsu Province(No.BE2011187).
Citation: Xu Yanli, Xia Weiwei, Shen Lianfeng. Relay selection region and system performance analysis for interfered cooperative ad-hoc networks[J].Journal of Southeast University(English Edition), 2012, 28(1):8-13.[doi:10.3969/j.issn.1003-7985.2012.01.002]

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