Abdul Qadir Ansari

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The flexibility of WiMAX framework offers new dimensions for cross-layer optimization and can be exploited to optimize the application performance. This article focuses on identifiers that have direct impact on Quality of Service (QoS)and effect of such identifiers is evaluated through computer simulation using OPNET Modeler 14.5 Wireless Suite. In this(More)
WiMAX networks experience sporadic congestion on uplink when applications running at subscriber stations need more bandwidth to transmit than allocated. With the fast proliferation of mobile Internet, the wireless community has been looking for a framework that can address the issue of impediment on uplink. Due to asymmetric behavior of Internet(More)
This paper present different design methods to improve the performance of MPA. A comparative analysis of EBG and DGS structures in terms of performance has been given. The proposed DGS structure improves gain, efficiency and the return loss of the antenna. The antenna w/o EBG and DGS resonates at 2.4 GHz offering bandwidth of 67.8 MHz. Three different types(More)
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