An Efficient Scheduling Scheme for Bluetooth Scatternets Based on the Sniff Mode


The KIPS Transactions:PartC, Vol. 10, No. 2, pp. 185-190, Apr. 2003
10.3745/KIPSTC.2003.10.2.185,   PDF Download:

Abstract

Bluetooth communication is based on piconet, which is composed by one master and maximum seven slaves. Several piconets can be interconnected via an inter-piconet Bluetooth unit called a bridge unit to form a Bluetooth scatternet. This bridge node can make its presence in each piconet by switching. This switching must be carefully scheduled so that slot wastage and, hence, packet delays are minimized. In this paper, we introduce an efficient inter-piconet scheduling scheme based on sniff mode. This scheme tries to minimize the wastage of slots by having the bridge unit sniff with its peering masters with time limits and communicate with its slaves in remaining slots. The sniff time limits are determined adaptively based on the amount of traffic in each piconet. Simulation results show this scheme outperforms round-robin scheme based on sniff intervals of equal lengths.


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Cite this article
[IEEE Style]
W. S. Lee and H. J. Lee, "An Efficient Scheduling Scheme for Bluetooth Scatternets Based on the Sniff Mode," The KIPS Transactions:PartC, vol. 10, no. 2, pp. 185-190, 2003. DOI: 10.3745/KIPSTC.2003.10.2.185.

[ACM Style]
Woo Sin Lee and Hyuk Joon Lee. 2003. An Efficient Scheduling Scheme for Bluetooth Scatternets Based on the Sniff Mode. The KIPS Transactions:PartC, 10, 2, (2003), 185-190. DOI: 10.3745/KIPSTC.2003.10.2.185.