Abstract
A mobile adhoc network (MANET) is formed by a group of wireless mobile hosts or nodes without any fixed infrastructure. As there is no inner control in a MANET, a mobile node itself acts as a router. Undoubtedly, MANETs plays a critical job in situations where a wired infrastructure is neither available nor easy to install. Wireless mesh networks have large round trip time variations and these variations are dependent on the number of hops. The end-to-end throughput degrades rapidly with increase in number of hops. This is one of the biggest problems in MANET.In this paper we introduce an algorithm for avoiding congestion in MANETs. The algorithm demonstrates fast response and superior stability with the controlled packet dropping rate, and reduces end-to-end delay in MANETs, while still fully utilizing the network resources. Analysis and simulation show the strength and robustness of the algorithm. This method is simple and easy to use. We also illustrate the advantages of our proposed approach by comparing its results with standard AODV with recommended parameter settings.
Highlights
The mobile adhoc network is achieved by forming a temporary network, without the require of a central administration or standard support devices available in a conventional network, making an infrastructure less network
In this paper we introduce an algorithm for avoiding congestion in mobile adhoc network (MANET)
To maintain or enhance the Quality of Service (QoS) of any MANET, we propose an algorithm by applying which any network can improve its quality when it is in degradable cases
Summary
The mobile adhoc network is achieved by forming a temporary network, without the require of a central administration or standard support devices available in a conventional network, making an infrastructure less network. These networks do not depend on the inappropriate hardware These networks build, operate and maintain with the help of essential mobile nodes. Obstruction control is a main problem in mobile adhoc networks. We have proposed an algorithm to solve the adhoc network congestion problem In these networks, shared wireless channel and dynamic topology leads to interference and loss during packet transmission. Severe throughput degradation and massive fairness problems are some of the identified congestion related problems are generated from MAC, and protocol routing and transport layers [7].Congestion control is the main problem in adhoc networks. The packet loss can be considered by involving congestion control over a mobility failure adaptive routing protocol at the network layer. High packet loss rate or a small throughput occurs at the receiver [13]
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