Modeling and Simulation of P-Aloha,CSMA/CA and MACAW Protocols for Underwater Acoustic Channel |
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Authors: | DAO Van-phuong ZUO Jia-kuo ZHAO Li NGUYEN Dang-nam ZOU Cai-rong SUN Jian |
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Affiliation: | 1. Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Education, Southeast University, Nanjing 210003, China;Ho Chi Minh City Industry and Trade College, Ho Chi Minh 760000, Vietnam 2. Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Education, Southeast University, Nanjing 210003, China 3. Petroleum Department, Petrovietnam University, Ba Ria 74000, Vietnam 4. School of Information Engineering, Huangshan College, Huangshan 245021, China |
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Abstract: | Medium access control( MAC) protocol of underwater acoustic communication network is a key technology for underwater acoustic networks( UANs). Most of the MAC protocols for wireless terrestrial communication networks have been designed with negligible propagation delay. If it is deployed directly in an underwater environment,the UANs will perform inefficiently. In this paper,the characteristics of underwater acoustic channel are modeled and simulated by using the OPNET simulation tool,which are the speed of sound, propagation loss, and four sources for ambient noise: the turbulence,shipping,wind driven waves and thermal noise. The performance of pure Aloha( P-Aloha),carrier sense multiple access with collision avoidance( CSMA / CA) and multiple access collision avoidance for wireless local area network( MACAW) protocols in underwater acoustic channel environment are evaluated. The different performance of protocols in underwater environment is compared in the simulation. |
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Keywords: | underwater acoustic channel OPNET simulation medium access control (MAC) protocol pure Aloha (P-Aloha) protocol carrier sense multiple access with collision avoidance (CSMA/CA)protocol multiple access collision avoidance for wireless local area network (M |
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