Signaling-Embedded Short Preamble MAC for Multihop Wireless Sensor Networks

Authors:
Kyuho Han;Sangsoon Lim;Sangbin Lee;Jin Wook Lee;Sunshin An
Affiliations:
Department of Electronics and Computer Engineering, Korea University, Seoul, Korea;Department of Electronics and Computer Engineering, Korea University, Seoul, Korea;Department of Electronics and Computer Engineering, Korea University, Seoul, Korea;Networking Technology Lab., Samsung Advanced Institute of Technology (SAIT), Seoul, Korea;Department of Electronics and Computer Engineering, Korea University, Seoul, Korea
Venue:
Information Networking. Towards Ubiquitous Networking and Services
Year:
2008

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Abstract

Applications of WSN usually generate low-rate traffic so the communication channel is expected to be idle most of the time. Therefore idle listening is very critical source of energy dissipation in wireless sensor networks. To reduce idle listening, we propose preamble sampling MAC that is named SESP-MAC. The main idea of SESP-MAC is to add control information into the short preamble frame. So the stream of short preambles is used not only for preamble sampling but also for avoiding overhearing, decreasing control packet overhead and reducing the listening of the redundant message, caused by message-flooding.