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Power Saving MAC Protocols for WSNs and Optimization of S-MAC Protocol

شروع موضوع توسط Hossein Ranjbaran ‏3/7/14 در انجمن MAC

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  1. Hossein Ranjbaran

    Hossein Ranjbaran Administrator کاربر ویژه

    Abstract Low power MAC protocols have received a lot of consideration in the last few years because of their
    influence on the lifetime of wireless sensor networks. Since, sensors typically operate on batteries, replacement of which is often difficult. A lot of work has been done to minimize the energy expenditure and prolong the sensor lifetime through energy efficient designs, across layers. Meanwhile, the sensor network should be able to maintain a certain throughput in order to fulfill the QoS requirements of the end user, and to ensure the constancy of the network. This paper introduces different types of MAC protocols used for WSNs and proposes S‐MAC, a Medium‐Access Control protocol designed for Wireless Sensor Networks. S‐MAC uses a few innovative techniques to reduce energy consumption and support self configuration. A new protocol is suggested to improve the energy efficiency, latency and throughput of existing MAC protocol for WSNs. A modification of the protocol is then proposed to eliminate the need for some nodes to stay awake longer than the other nodes which improves the energy efficiency, latency and throughput and hence increases the life span of a wireless sensor network

    Keywords Medium Access Control, Wireless Sensor Network, Energy Efficiency, Latency, Throughput
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