An Inter-Piconet Scheduling Algorithm for Bluetooth Scatternets

Authors:
Suman Saha;Mitsuji Matsumoto
Affiliations:
GITS, Waseda University, Tokyo, Japan;GITS, Waseda University, Tokyo, Japan
Venue:
AICT-ICIW '06 Proceedings of the Advanced Int'l Conference on Telecommunications and Int'l Conference on Internet and Web Applications and Services
Year:
2006

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Abstract

Bluetooth is a wireless specification delivering short-range radio communication between electronic devices that are equipped with specialized Bluetooth chips. It lets nearly all devices talk to one another by creating a common language between them. The basic Bluetooth network topology (referred to as a piconet) is a collection of slave devices operating together with one master. A multi-hop ad-hoc network of piconets in which some of the devices are present in more than one piconet is referred to as a scatternet. Efficient scatternet data flow requires design of inter-piconet scheduling algorithms. This paper presents and evaluates a fair and efficient scheduling algorithm for inter-piconet based on the Bluetooth hold mode. During intra-piconet scheduling, we have used soft- QoS based SFPQ algorithm. SFPQ is a fair and efficient polling algorithm. Finally, we evaluate the performance of proposed algorithm regarding efficient and fairness inter-piconet scheduling via simulation and show that the proposed algorithm outperforms Load Adaptive Scheduling Algorithm.