alexa Abstract | Enhanced dynamic duty cycled multiple rendezvous multi-channel media access control (DMM-MAC) protocol for underwater sensor network based marine eco system

Biomedical Research
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Research Article Open Access

Abstract

Wireless Sensor Network (WSN) is a self-organized network in which sensor nodes collect the data in distributed environment. The consumption of energy and hence the life time of network is a major issue in any applications of Wireless Sensor Network (WSN) particularly in Underwater Sensor Networks (UWSN). The concept of multiple channel and duty cycling, which reduce the transmission collision and idle listening, can be used to conserve the energy. Media access control protocols such as Multiple Rendezvous Multichannel Media Access Control (MM-MAC) and Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC) are used for handling more volume of data in Underwater Sensor Networks (UWSN). Only one modem is used in Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC) and it operates in more realistic multi-hop environment, without using the information about distances or propagation delays to neighbour nodes which is considered as basic requirement for unattended wireless sensor network applications. In this paper, underwater sensor networks applied to monitor the marine ecosystem are proposed. The logic used for Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC) is enhanced and implemented and the results are compared with Time Division Multiple Access (TDMA) media access control which is the basis for both Multiple Rendezvous Multichannel Media Access Control (MM-MAC) and Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC). By employing the enhanced dynamic duty cycling, sensor nodes running Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC) are able to handle more volume of sensor data effectively. From the results obtained through simulation, it is observed that the delay is reduced, throughput and packet delivery rate are improved and the overhead for packet transmission is greatly reduced in Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC). Also Dynamic Duty Cycled Multiple Rendezvous Multichannel Media Access Control (DMM-MAC) provides better network performance than Multiple Rendezvous Multichannel Media Access Control (MM-MAC) in unattended environment.

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Author(s): Alageswaran R Swapna P

Keywords

Underwater wireless sensor network, Marine ecosystem, Biological factors, Time division multiple access, Multiple rendezvous multichannel media access control, Dynamic duty cycled multiple rendezvous multichannel media access control, #

 
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