Qos in Manet

Powerful Essays
An Efficient multi-constrained feasible path selection for MANET

S. Baskaran
II Year M.E, Dept. of Computer Science & Engg. Jayam College of Engineering & Technology
Tamilnadu, India jsbaskaran@yahoo.com K. Tamizharasu
Professor, Dept. of Computer Science & Engg.
Jayam College of Engineering & Technology
Tamilnadu, India
Hod_cse@jcet.ac.in

Abstract—Quality-of-service (QoS) routing in an Ad-Hoc network is difficult because the network topology may change constantly and the available state information for routing is inherently imprecise. This paper proposes a method for multi-constrained feasible path selection for MANET. We introduce the composite function which allows OLSR to find the feasible path in case of multiple routes are available to reach the same destination. Combinations of additive and non additive QoS metrics are considered to find the best path. Our simulation results show that the QoS version of the OLSR do improve the Packet Delivery Ratio, Throughput, Normalized control overhead, End-to-End delay and Packet loss but with the increased time complexity.

Keywords-MANET,OLSR (Optimized Link State Routing), Multi-constrained QoS Routing.

Introduction

A Mobile Ad Hoc Network is a set of mobile nodes that are equipped with wireless transmitters and receivers which allow them to communicate each other without the infrastructure. Since there is no infrastructure is used for networking the central administration for the network is not required. Each transmitter has a limited effective range; the nods within the coverage are able to communicate directly otherwise the nodes are communicated through a multi-hop basis. There are number of applications for this type of network. A group of moving soldiers in a battlefield communicates and coordinates with each other. A group of people with portable computers share their data in a conference room without laying cables between them.

Mobile ad hoc networks have primarily been



References: 1] T. Bheemarjuna Reddy, I. Karthigeyan, B.S. Manoj, C. Siva Ram Murthy “Quality of service provisioning in ad hoc wireless networks a survey of issues and solutions” Ad Hoc Networks 4 (2006) 83–124 2] Suman Banik, Bibhash Roy, Parthi Dey, Nabendu Chaki, Sugata Sanyal “QoS Routing using OLSR with Optimization for Flooding” IJICT, Volume , Auguest 2011. ISSN-2223-4985 3] Anelise Munaretto, Hakim Badis, Khaldoun A Agha, Guy Pujolle “A link-state QoS routing protocol for Ad Hoc Networks” IEEE, 0-7803-7605-6/02 2002 4] Kamal oudidi , Abdelmajid hajami and Mohammedel ‘QoS Routing Using OLSR Protocol” 14th WSEAS International Conference on COMMUNICATIONS, July 2010 5] Badis, H., Mauaretto, A. and Agha K. A. and Pujolle G. “Optimal Path Selection in Link State QoS Routing Protocol” The 59th IEEE Vehicular Technology Conference 2004 (VTC2004-spring), 17-19 May 2004 6] Jérémie Leguay, Vania Conan, Timur Friedman “QoS Routing in OLSR with Several Classes of Service” PWN’06. 7] Teerapat Sanguankotchakorn and Padam Maharjan “A New Approach for QoS Provision Based on Multiconstrained Feasible Path Selection in MANET ” ECTI-CON 2011 8] “Quality of service support, security and OSPF interconnection in a MANET using OLSR” Cedric Adjih, Pascale Minet, Paul Muhlethaler, Emmanuel Baccelli, and Thierry Plesse 9] NS-2 Network Simulator , http://www.isi.edu/nsnam/ns/ 10]

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