Report - Project report Multipath DSR protocol for ad hoc...

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Unformatted text preview: Project report Multipath DSR protocol for ad hoc network by Alexandre Boursier boursier@kom.aau.dk St´ ephane Dahlen sdahlen@kom.aau.dk Julien Marie-Fran¸ coise mariefra@kom.aau.dk Thior Santander Marin thior@kom.aau.dk Shekar Nethi snet03@kom.aau.dk MSc Mobile Communications Aalborg University Center for PersonKommuniKation Supervisors: Tatiana K. Madsen tatiana@kom.aau.dk Yaoda Liu yl@kom.aau.dk Hans Peter Schwefel hps@kom.aau.dk Submission date: 17 th December 2004 AALBORG UNIVERSITY Institute of Electronic Systems Mobile communication, 9th semester Fredrik Bajes Vej 7 9220 Aalborg st Phone: +45 98158522 fax: 98 15 97 57 TITLE Multipath DSR protocol for Ad Hoc Network PROJECT PERIOD 9th semester 2nd September - 4th January 2005 PROJECT GROUP MOBCOMM 997 MEMBERS Alexandre Boursier St´ ephane Dahlen Julien Marie-Fran¸ coise Thior Santander Marin Shekar Nethi SUPERVISOR Tatiana K. Madsen Yaoda Liu Hans Peter Schwefel Number of Reports: 9 Total Pages: ?? ABSTRACT Ad hoc network is a network without centralised adminis- tration in which different users can communicate and ex- change information. In such a structure, all the nodes participate in order to achieve the network and ensure the travel of the information. Hence, multihopping techniques are used to achieved this task. The communication reliability within an ad hoc network and how the different nodes act are managed by routing protocols. Nowadays, different types of protocols exist. Nevertheless, the source routing ones, based on informa- tion known at the source of the communication, seem to attract more studies. Source routing protocols had shown interesting results in realistic scenarios in areas such as military battlefields or airport stations. Our study deals with one of those protocol: DSR. This project is focused on multipath with routing proto- col. Indeed, it is necessary to understand that multipath techniques enhance reliability and can ensure security. We decided to go further and therefore we designed a new mul- tipath algorithm. The solution had been implemented and evaluated with the network Simulator 2. Since we want to know how our pro- tocol reacts in different mobility cases, two mobility pat- terns had been used. The first one is the random waypoint model which allows us to present relevant results, due to the fact that all situations are taken into account. The second one using group mobility of nodes is more realistic because its applications could be, for example, an ad hoc network on a battlefield. Simulation results show that the created protocol behaves better than DSR and AODV, the two main actual reactive protocols. Our protocol performs well in high mobility by using much less overhead than the two others mentionned before. Additionnally, it is inter- esting to see that DSR without any modifications manage poorly in high mobility situation. Contents 1 Introduction 8 1.1 Ad Hoc Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.2 Multihopping...
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This note was uploaded on 05/12/2011 for the course COMP it-441 taught by Professor Mohitdua during the Spring '11 term at National Institute of Technology, Calicut.

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Report - Project report Multipath DSR protocol for ad hoc...

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