Routing in Mobile Ad Hoc Network

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Master Thesis Master of Science in Electrical Engineering Thesis no: MSE-20110 September 2010

Performance Issues of Routing Protocols in MANET

ABSTRACT
A mobile ad-hoc network is an assortment of wireless mobile hosts, which establishes a momentary network without any assist of centralized administrator. The characteristics of an ad-hoc network can be explored on the base of routing protocols. The dynamic topology is the vital characteristic in which nodes frequently change their position. In the ad-hoc networks, there are mobile nodes such as personal digital assistance (PDA), smart phone and laptops; they have limited operational resources like battery power and bandwidth. Thus the control traffic is to be minimized, which is the main responsibility of routing protocols by selecting the shortest path and controlling the traffic. In this study work we focus on performance issues of routing protocols Optimized Link State Routing (OLSR), Ad Hoc On-Demand Distance Vector (AODV), Dynamic Source Routing (DSR), and Temporally Ordered Routing Algorithm (TORA) in mobility and standalone ad-hoc networks. For this purpose we first study and explain these protocols and then we use the Optimized Network Engineering Tool (OPNET) modeler tool and analyze the performance metrics delay, throughput and network load. Keywords: MANET, Performance Evaluation, Routing Protocols, Ad-hoc Network, Routing Challenges, Performance Metrics and Mobility

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ACKNOWLEDGEMENTS
In the name of ALLAH, who is most merciful and compassionate, and in our Holy Prophet (PBUH), whose love is the soul of our life in this world and Hereafter. I am thankful to my parents, my wife, my sons Zain Ali, Muhammad Shamraiz and my daughter and my brothers who sacrificed in my absence and have always prayed for me with heart and soul that become a guiding force to complete my studies successfully. Tahir Saleem I am thankful to my parents, and all of my family members who provide me the courage and guidance, who sacrificed and pray for me to complete my studies successfully. Kifayat Ullah The completion of this study work is the result of full devotion of our supervisor Professor Dr. Adrian Popescu whose guidance has taken us that far us throughout our thesis work and our continued struggle to accomplish our goal. We are thankful to all our friends who help us in our tough time. We are also thankful the BTH faculty including Mr. Mikael Åsman, Mr. Patrik Arlos and International student coordinator Miss. Lena Magnusson for their help and cooperation during our stay at BTH. Tahir & Kifayat

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TABLE OF CONTENTS
LIST OF FIGURES ............................................................................................................................................................ 7 LIST OF TABLES .............................................................................................................................................................. 9 ACRONYMS ..................................................................................................................................................................... 11 CHAPTER 1 INTRODUCTION ..................................................................................................................................... 13 1 INTRODUCTION ......................................................................................................................................................... 14 1.1 AIMS AND OBJECTIVES .............................................................................................................................................. 14 1.2 RESEARCH QUESTION ................................................................................................................................................ 15 1.3 THESIS...
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