2018 International Conference on Computing, Networking and Communications (ICNC)
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Abstract

Molecular communications (MC) is a promising paradigm which utilizes molecules to implement communication among nano-machines. Cooperative relaying strategies can be used to extend communication distance and achieve reliable remote communications. In this paper, a two-hop diffusion-based molecular communication with three nano-machine nodes is considered. To mitigate the drawback of traditional cooperative relay strategies in diffusion-based MC, such as decode-and-forward and amplify-and-forward, an opportunistic cooperative relaying strategy is proposed. Closed-form expressions of bit error probability for these three cooperative relaying strategies are derived. Analytical and simulation results show that the opportunistic decode-amplify-forward relaying strategy achieve the best gain over other two schemes to implement the reliable remote communications.
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