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Energy conservative mobile sink path routing for wireless sensor networks

شروع موضوع توسط Hossein Ranjbaran ‏27/12/19 در انجمن Sink mobility

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  1. Administrator
    Hossein Ranjbaran
    کاربر ویژه
    تاریخ عضویت:
    ‏3/10/13
    ارسال ها:
    1,034
    تشکر شده:
    197
    In recent decadesmany research works have been investigate the benefits of the mobile sink node enabled energy aware WSN routing to improve the throughput rate of the sensor networks. It is well proved that throughput rate drivensensor networks models are highly sensitive to delaybound applications, where all information’s are gathered are need to be forwarded within a given bounded delay. In generalenergy conservations are largely depends on the tour path taken by the mobile sink. Here in order to optimize the mobile sink tour path a hybrid approach is proposed to regulatethe travelling path and also accommodate the dynamic location identification where the mobile-sink node will locate only in specified sensor node which is called primary node (PSN), as opposed to travelling all possible nodes in WSN. Information gathered from all other nodes are collected in PSN nodes through local routing and forward their packets via one hop distance to the nearest PSN. Then two basic fundamental problems are arises: formulation of mobile sink travelling paths that can visit all PSN’s within a given time delay and optimizing the energy consumption of mobile sink to improve the overall life time of the WSN. To address the primary concern problem, a heuristic called adoptive primary sensor node (PSN) selection is proposed, where each sensor node is connected to corresponding to PSN node to its hop distance from the mobile sink path taken and the traffic rate that forwards to the closest PSN. And energy aware local routing is used for energy efficiency. Finally PSN based mobile sink model is validated via extensive network simulation, and through simulation results we proved that proposed energy aware PSNmodel allows mobile sink to gather all local information within a given time while. Local routing for each PSN node reduces energy consumption by 39% and increases network lifetime by 12%, as compared with all other state-ofthe- art algorithms​
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