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In wireless ad hoc networks, misbehavior of nodes in computation of backoff value is one of the problems that affects the performance at MAC layer. To overcome this problem, this paper proposes a solution in which Contention Window subrange is specified by the receiver to the sender through CTS/ ACK packet. The advantage of sending the Contention Window subrange is, it is easier to detect the misbehaving...
The Named Data Networking (NDN) project is emerging as one of the most promising information-centric future Internet architectures. So far, NDN performance in wireless networks has been largely unexplored, especially for what concerns transport mechanisms, which are crucial to ensure reliable and efficient data delivery while accounting for available resources and network dynamics. In this paper,...
Abstract-In IEEE 802.11 standard, the use of multi-channel is one of the most important characteristic features contributing to the improvement of the overall network throughput. However, the channel utilization based on the use of multi-channel is relatively low because most medium access control (MAC) protocols were designed based primarily on the application of non-overlapping channels. This paper...
Wireless Network is spreading all over the world. Wireless network are very easy in installation and in use. This type of network does not require any extra cost in establishment. Every network has its advantages and disadvantages. A user faces many problems during using this network. Wireless networks are established in two variant modes either in infrastructure mode or in Ad hoc mode. Working in...
Security in wireless ad hoc network (WAN) is very important issue. Due to dynamic topology and mobility of nodes, Wireless Ad hoc Networks are more vulnerable to security attacks than conventional wired and wireless networks. Nodes of Wireless Ad hoc Network communicate directly without any central base station. That means in ad hoc network, infrastructure is not required for establishing communication...
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