Analysis of the cost of handover in a mobile wireless sensor network

Authors:
Qian Dong;Waltenegus Dargie
Affiliations:
Computer Networks, Faculty of Computer Science, Technical University of Dresden, Germany;Computer Networks, Faculty of Computer Science, Technical University of Dresden, Germany
Venue:
WWIC'12 Proceedings of the 10th international conference on Wired/Wireless Internet Communication
Year:
2012

Citing 2
Cited 0

RI-MAC: a receiver-initiated asynchronous duty cycle MAC protocol for dynamic traffic loads in wireless sensor networks

Proceedings of the 6th ACM conference on Embedded network sensor systems
A medium access control protocol that supports a seamless handover in wireless sensor networks

Journal of Network and Computer Applications

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Abstract

This paper investigates the latency of packet transmission during mobility with and without the support of a handover mechanism. The Receiver-Initiated MAC protocol (RI-MAC) is used for the analysis. When the handover mechanism is applied, it enables a node to establish a new connection before the existing link breaks. A mathematical model is set up to examine the performance of RI-MAC when it uses the handover mechanism and when it does not. The analytical result shows that the handover latency is much less than the latency introduced when a node waits until an existing link breaks and then establishes a new link.