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Next-generation wireless networks such as LTE and WiMax can achieve throughputs of several Mbps with TCP. These higher throughputs, however, can easily be destroyed by frequent handoffs, which occur in urban environments due to shadowing. A primary reason for the throughput drop during handoffs is the out of order arrival of packets at the receiver. As a result, in this paper, we model the precise...
Call admission control plays a significant role in the provisioning of differentiated Quality-of-Service (QoS) to new calls and handover calls in wireless mobile networks. Due to its cost-effectiveness, the Guard Channel (GC) call admission control scheme has been widely deployed. Existing studies on modelling and analysis of this scheme have been usually focused on the working conditions where both...
The development of reconfigurable and multimode terminals enable service providers to use the excess bandwidth to support services from other networks, at the expense of terminals performing vertical handover when a call is served by another network. The improvement in the performance of such an overlay heterogeneous network is expressed in terms of the increase in capacity while fulfilling each networkspsila...
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