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Alamouti Coding Based Relay Selection Strategies for Wireless Multi-hop Network

  • Linglong Cui
  • Yinglei Teng
  • Junxiang Wang
  • Mei Song
  • Yihai Xing
  • Hong Yuan
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8351)

Abstract

Researches on wireless multi-hop networks have always raised doubt about the performance of the same relay selection strategy in all hops which leads to the neglect of different transmission scenarios between hops in wireless multi-hop networks. In this paper, we have determined to provide a relay selection strategy for wireless multi-hop network, which divides the hops into three parts according to different receive-transmission mode: the first hop (2×1), the middle hops (2×2) and the last hop (1×2), and Alamouti coding based transmission strategy has been investigated. Since the specificity of the last hop, we make consideration on jointing the last two hops, aiming to ensure the performance of the optimal relay selection in the whole path. Performance results are given from the aspects of network system capacity and bit error ratio (BER). Numerical results show that the proposed multi-hop relay selection strategy is definitely able to gain more throughputs and reduce the BER compared with random relay selection strategy in SISO system and virtual MIMO (2×2) system.

Keywords

relay selection multi-hop capacity bit error ratio 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Linglong Cui
    • 1
  • Yinglei Teng
    • 1
  • Junxiang Wang
    • 1
  • Mei Song
    • 1
  • Yihai Xing
    • 2
  • Hong Yuan
    • 3
  1. 1.Beijing Key Laboratory of Work Safety Intelligent MonitoringBeijing University of Posts and TelecommunicationsBeijingChina
  2. 2.Potevio Institute of Technology Co., Ltd.BeijingChina
  3. 3.China Mobile Research InstituteBeijingChina

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