Adaptive inter-piconet scheduling in small scatternets

Authors:
Vojislav B. Mišić;Jelena Mišić
Affiliations:
The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China;The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
Venue:
ACM SIGMOBILE Mobile Computing and Communications Review
Year:
2003

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Abstract

Inter-piconet scheduling in a Bluetooth scatternet may be performed in an adaptive manner, so as to minimize end-to-end packet delays. Using the theory of queues with vacations, we analyze the impact of different values of scatternet parameters on end-to-end delays, and then investigate the possibility of minimization of the aforementioned delays. We show that such minimization is possible for scatternets with both Slave/Slave and Master/Slave bridges, and that it should be based on inter-piconet traffic. We also describe simple algorithms that enable the scatternet to achieve near minimum delays in a wide range of traffic parameter values.