1,605 research outputs found
Performance Comparisons of Routing Protocols in Mobile Ad Hoc Networks
Mobile Ad hoc Network (MANET) is a collection of wireless mobile nodes that
dynamically form a network temporarily without any support of central
administration. Moreover, Every node in MANET moves arbitrarily making the
multi-hop network topology to change randomly at unpredictable times. There are
several familiar routing protocols like DSDV, AODV, DSR, etc...which have been
proposed for providing communication among all the nodes in the network. This
paper presents a performance comparison of proactive and reactive protocols
DSDV, AODV and DSR based on metrics such as throughput, packet delivery ratio
and average end-to-end delay by using the NS-2 simulator.Comment: 9 Pages,10 Figures, 3 Table
A performance study of routing protocols for mobile grid environment
Integration of mobile wireless consumer devices into the Grid initially seems unlikely due to limitation such as CPU performance,small secondary storage, heightened battery consumption sensitivity and unreliable low-bandwidth communication. The current grid architecture and algorithm also do not take into account the mobile computing environment since mobile devices have not been seriously considered as valid computing resources or interfaces in grid communities. This paper presents the results
of simulation done in identifying a suitable ad hoc routing
protocol that can be used for the target grid application in mobile environment. The simulation comparing three ad hoc routing protocols named DSDV, DSR and AODV
The impact of propagation environment and traffic load on the performance of routing protocols in ad hoc networks
Wireless networks are characterized by a dynamic topology triggered by the
nodes mobility. Thus, the wireless multi-hops connection and the channel do not
have a determinist behaviour such as: interference or multiple paths. Moreover,
the nodes' invisibility makes the wireless channel difficult to detect. This
wireless networks' behaviour should be scrutinized. In our study, we mainly
focus on radio propagation models by observing the evolution of the routing
layer's performances in terms of the characteristics of the physical layer. For
this purpose, we first examine and then display the simulation findings of the
impact of different radio propagation models on the performance of ad hoc
networks. To fully understand how these various radio models influence the
networks performance, we have compared the performances of several routing
protocols (DSR, AODV, and DSDV) for each propagation model. To complete our
study, a comparison of energy performance based routing protocols and
propagation models are presented. In order to reach credible results, we
focused on the notion of nodes' speed and the number of connections by using
the well known network simulator NS-2.Comment: 13 pages, 5 figures, International Journal of Distributed and
Parallel Systems (IJDPS) Vol.3, No.1, January 201
Performance Analysis of On-Demand Routing Protocols in Wireless Mesh Networks
Wireless Mesh Networks (WMNs) have recently gained a lot of popularity due to their rapid deployment and instant communication capabilities. WMNs are dynamically self-organizing, self-configuring and self-healing with the nodes in the network automatically establishing an adiej hoc network and preserving the mesh connectivity. Designing a routing protocol for WMNs requires several aspects to consider, such as wireless networks, fixed applications, mobile applications, scalability, better performance metrics, efficient routing within infrastructure, load balancing, throughput enhancement, interference, robustness etc. To support communication, various routing protocols are designed for various networks (e.g. ad hoc, sensor, wired etc.). However, all these protocols are not suitable for WMNs, because of the architectural differences among the networks. In this paper, a detailed simulation based performance study and analysis is performed on the reactive routing protocols to verify the suitability of these protocols over such kind of networks. Ad Hoc On-Demand Distance Vector (AODV), Dynamic Source Routing (DSR) and Dynamic MANET On-demand (DYMO) routing protocol are considered as the representative of reactive routing protocols. The performance differentials are investigated using varying traffic load and number of source. Based on the simulation results, how the performance of each protocol can be improved is also recommended.Wireless Mesh Networks (WMNs), IEEE 802.11s, AODV, DSR, DYMO
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