SSARP: a sound speed adaptive routing protocol for large-scale underwater acoustic sensor networks
by Yen-Da Chen; Chun-Chih Li; Chan-Ying Lien; Ching-Hung Wang; Kuei-Ping Shih
International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), Vol. 16, No. 3, 2014

Abstract: In this paper, an important property of acoustic signal that the speed of acoustic signal varies with water depth has been considered to explore a new routing protocol in UASNs. It implies that the shortest end-to-end delay path may not be the shortest path directly from the source to the sink. Based on this property, a per-hop based routing protocol, named sound speed adaptive routing protocol (SSARP), is proposed. SSARP takes the acoustic speed in different water depth into consideration. SSARP can find a path with a short end-to-end delay to transmit the data. The simulation results also verify that SSARP actually reduces the end-to-end delay and outperforms other routing protocols in terms of end-to-end delay.

Online publication date: Mon, 25-Aug-2014

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