Routing Challenges and Associated protocols in Acoustic Communication

Khalid, Muhammad, Cao, Yue, Arshad, Muhammad, Khalid, Waqar and Ahmad, Naveed (2018) Routing Challenges and Associated protocols in Acoustic Communication. In: Magnetic Communications: From Theory to Practice. Taylor & Francis, pp. 91-108. ISBN 9781498799751

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Abstract

Underwater Wireless Sensor Network (UWSN) is a newly emerging wireless technology in which small size sensors with limited energy and limited memory and bandwidth are deployed in deep sea water and various monitoring operations like tactical surveillance, environmental monitoring, and data collection are performed through these tiny sensors. Underwater wireless sensor networks are used for the exploration of underwater resources, oceanographic data collection, flood or disaster prevention, tactical surveillance systems, and unmanned underwater vehicles. Sensor nodes consist of a small memory, a central processing unit, and an antenna. Underwater networks are much different from terrestrial sensor networks as radio waves cannot be used in underwater wireless sensor networks. Acoustic channels are used for communication in deep sea water. Acoustic signals have many limitations, such as limited bandwidth, higher end-to-end delay, network path loss, higher propagation delay, and dynamic topology. Usually, these limitations result in higher energy consumption with a smaller number of packets delivered. The main aim nowadays is to operate sensor nodes having a smaller battery for a longer time in the network. This survey has discussed the state-of-the-art localization based and localization-free routing protocols. Routing associated issues in area of underwater wireless sensor networks have also been discussed.

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