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A COMBINED DYNAMIC RELAY UTILIZATION AND ROUTE OPTIMIZATION PROTOCOL FOR BLUETOOTH SCATTERNET

BAKHSH, SHEIKH TAHIR (2012) A COMBINED DYNAMIC RELAY UTILIZATION AND ROUTE OPTIMIZATION PROTOCOL FOR BLUETOOTH SCATTERNET. PhD thesis, UNIVERSITI TEKNOLOGI PETRONAS.

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Abstract

The current specification of Bluetooth has described how to build a piconet, but the methods for constructing a scatternet and inter-piconet communication for routing have been left out. Critically, there still exist multiple inefficiency issues in the scatternet construction protocol and the subsequent routing protocol. These have hindered the prospect of the Bluetooth technology for wider applications and usages in the short-range communications domain. To resolve these issues and to get greater acceptance for the technology, a combined protocol of scatternet construction (by relay utilization and congestion handling) and packet routinglfonvarding (by route optimization) is proposed, with the aim that a Bluetooth application can be implemented over the infrastructure with ease and efficiency. The proposed protocol is called RURO (Relay Utilization and Route Optimization) protocol, and has three protocol parts. The fust part is Master-based Dynamic Relay Optimization (MDRO) protocol, and the second part, which enhances MDRO, is Dynamic Relay Utilization (RU) protocol. Both of them will be used for scatternet construction. The third part of the protocol is Route Optimization (RO) for packet routinglfonvarding over the constructed Bluetooth scatternet topology. With the scatternet construction protocol, MDRO reduces and optimizes the use of relay nodes, in which the existence of unnecessary relays may increase scheduling overhead and consume system resources. On the contrary, several links may pass through a single relay that creates a bottleneck and decreases system performance. Hence, it is important to obtain an optimum number of relays for an efficient scatternet performance, since the system is working with only limited resources. In overall, RU is aimed to optimize relay nodes, to eliminate congestion, and to obtain balanced traffic loads. For packet routinglfomding over the scatternet topology, the Route Optimization (RO) protocol is developed to achieve an efficient inter-piconet communication, which directly enhances the RU protocol. The RO protocol considers the shortest route ahead of the source and destination nodes by utilizing the master's location information. The protocol requires location information of the nodes to

Item Type: Thesis (PhD)
Subject: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Users 6 not found.
Date Deposited: 30 Jul 2012 15:35
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/3330

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