Scalable routing mechanism in ad-hoc networks
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Helsinki University of Technology |
Diplomityö
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Date
2006
Department
Major/Subject
Tietokoneverkot
Mcode
T-110
Degree programme
Language
en
Pages
(10) + 73
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Abstract
A mobile ad-hoc network is a network formed by wireless mobile nodes. A mobile node can act as a router forwarding data packets to other nodes. Dynamic changes of nodes inside the network cause delay and decrease efficiency of routing in the network. This master's thesis introduces a new ad-hoc network routing mechanism: Scalable Ad-hoc network Routing Protocol (SARP). SARP dynamically identifies each node in the network as smart or ordinary depending on their battery power. Smart nodes implement a proactive routing protocol and a reactive routing protocol. They combine proactive and on-demand routing information in order to share routing information to all nodes more efficiently. On demand routing protocol running inside SARP provides routing services for ordinary nodes, while proactive routing protocol running inside SARP maintains a virtual backbone of smart nodes with a possibility for quality of service support through an external module. A comprehensive mobility simulation analysis of SARP using Network Simulator-2 shows better performance results than routing protocols like AODV and OLSR in different analysis cases. The integration of SARP with quality of services support will increase the performance. This master's thesis describes the implementation of the SARP protocol, using C programming language. The protocol is tested on PDA devices running Familiar Linux distribution. SARP real-time tests show virtual backbone of smart nodes functioning, correctly_Description
Supervisor
Kantola, RaimoThesis advisor
Costa-Requena, JoseKeywords
Ad Hoc, SARP, OLSR, AODV, routing