Bluetooth scatternet formation: A survey
Ad Hoc Networks
Reducing inter-piconet delay for large-scale bluetooth scatternets
PAKDD'07 Proceedings of the 2007 international conference on Emerging technologies in knowledge discovery and data mining
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The performance of two Bluetooth piconets linkedthrough a bridge device is analyzed using the tools of queueingtheory. We analyze both the Master/Slave (MS) and Slave/Slave(SS) bridge topologies; in both cases, the piconet master polls itsslaves according to the exhaustive scheduling policy. Analyticalresults are derived for the probability distribution of access delay(i.e., the time that a packet has to wait before being serviced) andend-to-end delay for both intra- and inter-piconet bursty traffic.SS bridge has been found to offer lower access delay and localend-to-end delay than its MS counterpart. MS bridge provideslower non-local end-to-end delay, due to the smaller number ofhops (three, instead of four) for such traffic. All analytical resultshave been confirmed through simulations.