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http://dx.doi.org/10.9717/kmms.2021.24.11.1526

Underwater Multi-media Communication Network based on Star Topology and a Fragmentation Technique  

Lim, DongHyun (Dept. of Computer Science&Engineering, Gangneung-Wonju National University)
Kim, Seung-Geun (Ocean System Engineering Research Division, Korea Research Institute of Ships & Ocean Engineering (KRISO))
Kim, Changhwa (Dept. of Computer Science&Engineering, Gangneung-Wonju National University)
Publication Information
Journal of Korea Multimedia Society / v.24, no.11, 2021 , pp. 1526-1537 More about this Journal
Abstract
Due to the difference between the underwater communication environment and the terrestrial communication environment, the radio communication mainly used on the ground cannot be used in underwater. For this reason, in the underwater communication environment, various communication media such as acoustic waves, infrared rays, light and so on has been studied, but there exist several difficulties in operating them individually due to their physical limitations. The concept for overcoming these difficulties is the very underwater multi-media communication, a method to select a communication medium best suitable for the current underwater environment among underwater communication multimedia whenever there occurs underwater communication failure. In this paper, we present an underwater multi-media communication network based on star topology and a fragmentation and reassembly technique to solve the problems caused by the different MTU (Maximum Transmission Unit) sizes among different underwater communication media. We also present the estimations and analysis on processing times in each of fragmentation and reassembly and the total data amount for transmitting fragments in our proposed underwater multi-media communication network.
Keywords
Underwater communication; Underwater multi-media communiation; Fragmentation; Star topology;
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