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 central control in a MANET, a mobile node itself acts as a router. A MANET may function in a stand-alone fashion or may be connected to the Internet. Undoubtedly, MANETs play a critical role in situations where a wired infrastructure is neither available nor easy to install. MANETs are found in applications such as short-term events, battlefield communications and disaster relief activities etc. Due to node mobility and scarcity of resources such as energy of nodes and bandwidth of wireless links, it is much tougher to provide QoS guarantee in MANETs. Therefore, while designing such a network we need to look out for a good Quality of Service (QoS) of it. Many approaches have been proposed for MANET QoS but very few have addressed it from the message transmission point of view. In this paper, we discuss different factors that affect QoS and also the challenges of QoS in MANET. We then propose an algorithm to enhance the QoS in mobile adhoc network depending on its type of application it is proposed for.
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