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An Energy Efficient and Low Latency MAC Protocol Using RTS Aggregation for Wireless Sensor Networks  

Lee, Dong-Ho (광운대학교 전자통신공학과)
Chung, Kwang-Sue (광운대학교 전자통신공학과)
Publication Information
Journal of KIISE:Information Networking / v.35, no.4, 2008 , pp. 326-336 More about this Journal
Abstract
Wireless sensor networks have been studied with two typical applications called event-driven and periodic monitoring. Although these applications have different core requirements, they have the same low latency requirement. However, main issue of the protocol in wireless sensor networks was focused on an energy efficiency, so it has not considered the latency problem. In this paper, we propose the RA-MAC, an energy efficient and low latency MAC protocol using a new channel access mechanism and the RTS Aggregation scheme for wireless sensor networks. Our simulation results show that the RA-MAC provides energy savings and latency reduction.
Keywords
Wireless Sensor Networks; MAC protocol; RTS Aggregation;
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