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.
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Cui, L., Teng, Y., Wang, J., Song, M., Xing, Y., Yuan, H. (2014). Alamouti Coding Based Relay Selection Strategies for Wireless Multi-hop Network. In: Zu, Q., Vargas-Vera, M., Hu, B. (eds) Pervasive Computing and the Networked World. ICPCA/SWS 2013. Lecture Notes in Computer Science, vol 8351. Springer, Cham. https://doi.org/10.1007/978-3-319-09265-2_4
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DOI: https://doi.org/10.1007/978-3-319-09265-2_4
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-09264-5
Online ISBN: 978-3-319-09265-2
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