A Routing Protocol Based on Received Signal Strength for Underwater Wireless Sensor Networks (UWSNs)
AbstractUnderwater wireless sensor networks (UWSNs) are featured by long propagation delay, limited energy, narrow bandwidth, high BER (Bit Error Rate) and variable topology structure. These features make it very difficult to design a short delay and high energy-efficiency routing protocol for UWSNs. In this paper, a routing protocol independent of location information is proposed based on received signal strength (RSS), which is called RRSS. In RRSS, a sensor node firstly establishes a vector from the node to a sink node; the length of the vector indicates the RSS of the beacon signal (RSSB) from the sink node. A node selects the next-hop along the vector according to RSSB and the RSS of a hello packet (RSSH). The node nearer to the vector has higher priority to be a candidate next-hop. To avoid data packets being delivered to the neighbor nodes in a void area, a void-avoiding algorithm is introduced. In addition, residual energy is considered when selecting the next-hop. Meanwhile, we establish mathematic models to analyze the robustness and energy efficiency of RRSS. Lastly, we conduct extensive simulations, and the simulation results show RRSS can save energy consumption and decrease end-to-end delay. View Full-Text
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Li, M.; Du, X.; Huang, K.; Hou, S.; Liu, X. A Routing Protocol Based on Received Signal Strength for Underwater Wireless Sensor Networks (UWSNs). Information 2017, 8, 153.
Li M, Du X, Huang K, Hou S, Liu X. A Routing Protocol Based on Received Signal Strength for Underwater Wireless Sensor Networks (UWSNs). Information. 2017; 8(4):153.Chicago/Turabian Style
Li, Meiju; Du, Xiujuan; Huang, Kejun; Hou, Senlin; Liu, Xiuxiu. 2017. "A Routing Protocol Based on Received Signal Strength for Underwater Wireless Sensor Networks (UWSNs)." Information 8, no. 4: 153.
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