Analysis of Delay and Throughput in MANET for DSR Protocol

A wireless Ad-hoc network consists of wireless nodes communicating without the need for a centralized administration, in which all nodes potentially contribute to the routing process.In this paper, we report the simulation results of four different scenarios for wireless ad hoc networks having thirty nodes. The performances of proposed networks are evaluated in terms of number of hops per route, delay and throughput with the help of OPNET simulator. Channel speed 1 Mbps and simulation time 600 sim-seconds were taken for all scenarios. For the above analysis DSR routing protocols has been used. The throughput obtained from the above analysis (four scenario) are compared as shown in Figure 3. The average media access delay at node_20 for two routes and at node_20 for four different scenario are compared as shown in Figures 4 and 5. It is observed that the throughput will degrade when it will follow different hops for same source to destination (i.e. it has dropped from 1.55 Mbps to 1.43 Mbps which is around 9.7%, and then dropped to 0.48Mbps which is around 35%).

Authors:

• Kumar Manoj
• Ramesh Kumar
• Kumari Arti

Keywords:

• Throughput
• Delay
• DSR
• OPNET
• MANET
• DSSS

References:

[1] E. Celebi, "Performance evaluation of wireless multi-hop adhoc network
routing protocols," http://cis.poly.edu/~ecelebi/esim.pdf.
[2] Kumar Manoj, S.C. Sharma, Sandip Vijay and Amit Dixit
"Performances Analysis of Wireless Ad-hoc Network Using OPNET
Simulator " International Conference on "Intelligent Systems and
Networks" ISN-2008 ISTK Haryana, 22-24th 2008, 267-270 Feb. 2008.
[3] OPNET Modeler, http://www.opnet.com
[4] David B. Johnson. Routing in ad hoc networksof mobile hosts. In
Proceedings of the IEEE Workshop on Mobile Computing Systems
andApplications, pages 158-163, December 1994.
[5] David B. Johnson and David A. Maltz. Dynamic source routing inad
hoc wireless networks. In Mobile Computing, edited by Tomasz
Imielinski and Hank Korth, chapter 5, pages 153-181. Kluwer
Academic Publishers, 1996.
[6] Josh Broch, David B. Johnson, and David A. Maltz. The Dynamic
Source Routing Protocol for Mobile Ad Hoc Networks. Internet-Draft,
draft-ietf-manet-dsr-00.txt, March 1998. Work in progress.
[7] A.K. Jain, S.C. Sharma, Kumar Manoj, R. Jha "Effect of Congestion on
the Global Performance of IEEE 802.11 Network" International
Conference on "Intelligent Systems and Networks" ISN-2008 ISTK
Haryana, 22-24th 2008, 231-235 Feb. 2008.