A media access protocol for proactive discovery in ubiquitous wireless networks

Authors:
Pavel Poupyrev;Peter Davis;Hiroyuki Morikawa
Affiliations:
Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan;ATR Adaptive Communications Research Laboratories, Keihanna Science City, Kyoto, Japan;Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
Venue:
UCS'07 Proceedings of the 4th international conference on Ubiquitous computing systems
Year:
2007

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Abstract

A MAC protocol is proposed for proactive discovery in which wireless devices periodically broadcast packets containing presence or service information. The protocol is based on Framed Aloha and is designed to allow discovery of all neighbors within a specified time using the minimum broadcast rate. Numerical simulations are used to show that the protocol is able to assure specified discovery time in distributed networks with random topology.