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Register a new userEvaluating performance and reliability of AODV, ADV routing protocols in VANET environment using NCTUns 6.0 simulator
تقييم أداء و وثوقية بروتوكولات التوجيه ADV و AODV في شبكات المركبات النقالة باستخدام المحاكي NCTUns6
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لقد قمنا في هذا البحث باستخدام المحاكي NCTUns6.0 لمحاكاة عمل هذا النوع من الشبكات و ذلك نظرا لصعوبة تنفيذ السيناريو في العالم الحقيقي . حيث تم استخدام بروتوكولين توجيه (شعاع المسافة الموائم ADV , شعاع المسافة عند الطلب النقال AODV) على مجموعة من السيناريوهات التي تحاكي إلى حد ما الواقع. تم دراسة أداء و وثوقية الشبكة بناءاً على عدد من المعايير, لنجد أن بروتوكول شعاع المسافة الموائم ADV يتلاءم مع الشبكة كلما زادت بنيتها و آلية حركة العقد تعقيداً, حيث يقوم بتعديل حمل التوجيه من خلال تنوع حجم و تردد تحديثات التوجيه استجابةً لتدفق البيانات و حركية العقد.
In this paper, we use NCTUns 6.0 to simulate this kind of networks ,because it is difficult to do that is the real world .In this paper, two routing protocols (AODV, ADV) are studied within many scenarios to achieve their performances and reliability using many metrics. We conclude that ADV routing protocol adapts quickly when the complexity of network and mobility of nodes increase. This is achieved by varying the size and frequency of routing updates.
References used
Performance Evaluation of Ad-hoc Routing Protocols through NCTUns 6.0 ,International Journal of Computer Applications (0975 – 8887) Volume 19– No.5, April 2011
An Adaptive Distance Vector Routing Algorithm for Mobile Ad Hoc Networks ,0-7803-7016-3/01 2001 IEEE
A Tutorial Survey on Vehicular Ad Hoc Networks 2008 IEEE , Hannes Hartenstein, University of Karlsruhe Kenneth P. Laberteaux, Toyota Technical Center
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A Vehicular Ad-hoc Network (VANET) is a collection of nodes forming a
wireless network, but the nodes of this network are vehicles with special equipment that
enable them to communicate with each other. VANET protocols have to face high
challenges
due to dynamically changing topologies, link breakage and low vehicular
density. A suitable and effective routing protocol helps to ensure that messages are reached
to their destinations and achieve the desired aim of the application.
In this research, we present an analysis of the performance of two major routing
protocols used in these networks, which are AODV (Ad hoc On-Demand Distance Vector)
and GPSR (Greedy Perimeter Stateless Routing). This analysis is based on various
parameters such as end-to-end delay and average dropped packets, in order to find the best
protocol which can be used in the network with low density at the junctions. To achieve
this purpose, we used a simulator OPNET_17.5. Depending on the simulation results, we
have obtained and the analysis and comparison of two protocols at different low density
contract. We found that GPSR protocol has better performance end-to-end delay and
average dropped packets are used as the performance metrics, and is better for VANET
under the low vehicular density simulation scenario at junctions.
The low cost, ease of deployment has exposed WSNs an attractive choice for numerous applications,like environmental monitoring applications , security applications, real time tracking, and so on.
But in reality, these networks are operated on batte
ry with limitations in their computation capabilities, memory, bandwidth ,so they called networks with resource constrained nature, and this impels various challenges in its design and its performance.
Limited battery capacity of sensor nodes makes energy efficiency a major and challenge problem in wireless sensor networks. Thus, the routing protocols for wireless sensor networks must be energy efficient in order to maximize the network lifetime.
In this paper we simulated LEACH,SEP,DEEC,TEEN routing protocols and evaluated their performance by comparing with DT routing protocol in Homogeneous and Heterogeneous Wireless Sensor Networks on MATLAB.
Mobile wireless networks consist of a set of cooperative and
mobile nodes, each node can move randomly at a specific speed
in all directions without any control of a central manager. This type
of networks has become a hot research topic due to its
military
application and suitability for emergencies and natural disasters.
Due to the lack of fixed infrastructure, the routing process
becomes the major problem in this type of networks, where the
responsibility of routing is transferred to each node. Over the last
few years, a number of traditional routing protocols has been
proposed, but these protocols do not support quality of service in
different environments.
Some studies have improved some of these protocols to support
quality of service for specific environments. This research
identifies and analysis some of these improved protocols.
Vehicular Ad Hoc Network (VANET) is a form of Mobile Ad Hoc
Networks, but the nodes of this network are vehicles with special equipment to enable
them to communicate with each other. These networks need to implement protocols to
ensure that messag
es are reached to their destinations and achieve the desired goal of the
application.
In this paper, we present an analysis of the performance of a number of major routing
protocols used in these networks which protocols AODV (Ad hoc On-Demand Distance
Vector), DSR (Dynamic Source Routing), and OLSR (Optimized link state routing). This
analysis is based on various parameters such as packet delivery ratio and end-to-end delay,
in order to find the best protocol can be used in the network with low density.
To achieve this purpose, we used a simulator OPNET_17.5. Depending on the
simulation results we have obtained and the analysis and comparison of these protocols at
different low density contract .We found that the protocol AODV is the best among the
studied protocols under the conditions set out in this study.
This research identifies
some improved protocols which support multiple paths between
source and destination.
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