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In mobile ad hoc networks, channel bandwidth is a very limited resource. When the network is heavily loaded, the rate of collisions and hence the number of retransmissions increase. This leads to a notable decrease in network throughput and hence reduces quality of service because more and more bandwidth is wasted. MAC layer enables sharing the channel among all the nodes in the network effectively...
Networks are protected using many firewalls and encryption software's. But many of them are not sufficient and effective. Therefore an intrusion detection system (IDS) is required that monitors the network, detects misbehavior or anomalies and notifies other nodes in the network to avoid or punish the misbehaving nodes. Numerous schemes have been proposed for intrusion detection and response systems,...
This paper explores the attributes, layering models and objective functions in cross layer designs for mobile ad hoc wireless networks by taking all the statistical characteristics and constraints from the physical (PHY) layer, media access control (MAC) layer and network (NET) layer into consideration. This paper reviews the entire network optimization across all the PHY/MAC/NET layers. At the PHY...
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