Mushlah Uddin Sarkar

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Single element antennas have very little capability of variation of antenna gain pattern. For a desired directivity, shape of beam and steer able beam, array antenna is widely used in wireless network. Relative magnitude of feed currents, relative phases or separation between antenna elements, geometrical configuration of array are responsible for the(More)
One of the most convenient way of analyzing antenna parameters using Rao-Wilton-Glisson (RWG) edge elements where the antenna surface is divided into a two dimensional array of very small triangle of alternately charged in continuous fashion. In this paper, the concept of RWG edge elements and method of moment (MoM) have been explored to determine(More)
Two-dimensional (2D) and three-dimensional (3D) steady state Markov chains are widely used to analyze the traffic performance of communications networks. When the characteristics of the network changes with time, such steady state Markov chain is unable to determine different probability states. Markov Modulated Poisson Process (MMPP) is a special case of(More)
Some antennas like bowtie, spiral, log-periodic array and conical spiral are known as frequency independent in context of antenna parameters like input impedance, reflection coefficient, gain and radiation pattern. In this paper, the work is done on bowtie and spiral antenna due to their easy construction and implementation. Although both the antennas are(More)
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