Traffic Flow and Optimal Configuration of Bluetooth Scatternet

Abstract

Bluetooth is a promising recent radio technology for ad-hoc networking which is based on connecting together piconets, to form a
scatternet. Due to mobility of the nodes of a piconet, forming an optimal scatternet for a given traffic pattern may be not enough,
rather a scatternet that best supports traffic flows as they vary in time is required. However, much of the research attention has
spanned the formation of the scatternet from the isolated Bluetooth nodes, the design and standardization of routing in Bluetooth
scatternet, medium access control protocols, and wireless channel allocation algorithm. Instead, in this paper, a polynomial time
algorithm capable of dynamically configuring the formed scatternet topology to the existing traffic connections between scatternet
nodes is proposed. The periodic configuration of the scatternet topology to the traffic connections enables the routing algorithms to
identify shorter paths between communicating scatternet nodes. This will allow higher network throughput, lower packet delivery
delay, and reduced communication overhead. Simulation results illustrate the performance of the configured scatternet.