Abstract
In this paper, the two-way opportunistic amplify-and-forward relaying system with multi-source multi-relay in underground tunnel is investigated; in which two sources intend to exchange information with help of one relay. The joint source-relay selection with power allocation is proposed to minimize the total transmit power subject to constraints on the received signal-to-noise-ratio (SNR) of each source node. We show that this problem has a closed-form solution and requires only a few parameters to be broadcasted to all relays during the source-relay selection period. Simulation results show that the outage probability can be substantially decreased using the proposed power allocation scheme when two source node have different quality of service (QoS) requirement, comparing to existing power allocation algorithms.
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Li, S., Sun, Y., Ma, R. (2013). A Source-Relay Selection Scheme with Power Allocation for Asymmetric Two-Way Relaying Networks in Underground Mines. In: Ren, K., Liu, X., Liang, W., Xu, M., Jia, X., Xing, K. (eds) Wireless Algorithms, Systems, and Applications. WASA 2013. Lecture Notes in Computer Science, vol 7992. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39701-1_9
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DOI: https://doi.org/10.1007/978-3-642-39701-1_9
Publisher Name: Springer, Berlin, Heidelberg
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