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Routing decisions are often susceptible to failure in Mobile Ad hoc network (MANET) because of the special characteristics like dynamic topology and lack of central coordinator. Network topology changes very frequently due to the random movements of nodes and it is not predictable. The lack of central coordinator for controlling and managing the operations, often leads to very serious problems like...
In Wireless Sensor Network, the communication generally takes higher energy than other operations like sensing and data processing. So the traffic reduction in communication is one of the most important concern for prolong the life of sensors. This paper presents three traffic reduction techniques based on dominating set. In the first approach base station is dynamically relocate to the sensing area...
Vehicular adhoc network (VANET) is formed by vehicles that move in well-defined paths and it is highly dynamic. The routing in VANET by relying beacons suffers from significant drawbacks such as temporal loops in forwarding path, consumes available bandwidth, backward progress due to stale information etc. So here proposes an enhanced secured routing mechanism. It route the data by considering the...
Wireless communication encapsulates the earth into a global village with its reach to every nook and corner of the globe. The fourth generation (4G systems) of wireless communication was expected to be up for grabs from 2010s. However, due to the complicated hardware required the evolution of technology into 4G has been sluggish. Since 4G services require the integration of all the existing communication...
4G communication systems provide a global communication standard for each and every communication facilities and internet and telecommunication service providers of the globe. The major attraction of 4G is the network selection policy which enables users to select services offered by the best of the various service providers. The main purpose of this paper is to discuss network selection in 4G systems...
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