Sensors, Volume 19, Issue 24 (December-2 2019) – 246 articles
Cover Story (view full-size image): Wireless Sensor Networks (WSN) are mostly used for environmental monitoring, military surveillance, healthcare and industrial applications. Multichannel communications in WSN can enhance reliable transmissions, alleviate hidden/exposed terminal problems, minimize network interference, and support parallel data communications. In a synchronous protocol, all nodes wake up at the same time, while in the asynchronous protocol, nodes have different wake up times. Thus, the multichannel synchronous protocol is most suitable for real-time data transmission. In this work, a new channel access mechanism is designed to reduce power consumption during communications in any control channel, and performance analysis models are developed to evaluate the delay, throughput, reliability, and packet drop rate of the proposed MAC as compared to the DSME MAC of IEEE 802.15.4e.View this paper.
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