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Improved Sensor MAC Protocol for Wireless Sensor Network  

Lee, Ju-a (아주대학교 전자공학과 무선인터넷 연구실)
Kim, Jae-Hyun (아주대학교 전자공학과 무선인터넷 연구실)
Min, Seung-Wook (한국전자통신연구원)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.11A, 2006 , pp. 1138-1146 More about this Journal
Abstract
It is very important for the sensor network to save battery capacity. Switching active mode to sleep mode is used for S-MAC protocol and expiring timer before end of the active part is used for T-MAC in order to extend battery life span. We proposed IS-MAC (Improved Sensor MAC) which gives more energy efficiency than S-MAC and T-MAC To improve energy efficiency in sensor network, we used the threshold value in buffer to transmit data packet and proposed the method to reduce the number of control packets which cause extra battery consumption. Based on the analytical results, we found that the proposed IS-MAC protocol shows better performance than conventional MAC protocols.
Keywords
IS-MAC; Sensor Network; energy efficiency; transmission delay; MAC Protocol;
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