Jhumka, Arshad and Kulkarni, Sandeep (2007) On the design of mobility-tolerant TDMA-based media access control (MAC) protocol for mobile sensor networks. In: 4th International Conference on Distributed Computing and Internet Technology, Bangalore, INDIA, DEC 17-20, 2007. Published in: DISTRIBUTED COMPUTING AND INTERNET TECHNOLOGY, PROCEEDINGS, 4882 pp. 42-53.

Abstract

Several media access control (MAC) protocols proposed for wireless sensor networks assume nodes to be stationary. This can lead to poor network performance, as well as fast depletion of energy in systems where nodes are mobile. This paper presents several results for TDMA-based MAC protocol for mobile sensor networks, and also introduces a novel mobility-aware TDMA-based MAC protocol for mobile sensor networks. The protocol works by first splitting a given round into a control part, and a data part. The control part is used to manage mobility, whereas nodes transmit messages in the data part. In the data part, some slots are reserved for mobile nodes. We show that the protocol ensures collision-freedom in the data part of a schedule.

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