Volume 8, Issue 1
مرور بر اساس
ارسال های اخیر
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Design of Compact Multi-Channel Diplexer Using Defected Microstrip Structure
(Shahed University, 2019-06-01)In this paper, two compact quad-channel and six-channel diplexer are designed and fabricated using defected microstrip structure (DMS). This structure is designed for the desired frequency based on the literature reviews. ...
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Design, Analysis and Simulation of a Linear Phase Distributed Amplifier
(Shahed University, 2019-06-01)In this paper a new method for the design of a linear phase distributed amplifier in 180nm CMOS technology is presented. The method is based on analogy between transversal filters and distributed amplifiers topologies. In ...
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Geographic and Clustering Routing for Energy Saving in Wireless Sensor Network with Pair of Node Groups
(Shahed University, 2019-06-01)Recently, wireless sensor network (WSN) is the popular scope of research. It uses too many applications such as military and non-military. WSN is a base of the Internet of Things (IoT), pervasive computing. It consists of ...
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Covariance Analysis of a vector tracking GPS receiver based on MMSE multiuser Detection
(Shahed University, 2019-06-01)In high dynamic conditions, using vector tracking loops instead of scalar tracking loops in GPS receivers is proved as an efficient method to compensate the performance. The Minimum Mean Squared Error detector as a multiuser ...
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A Comparative Study of Multipole and Empirical Relations Methods for Effective Index and Dispersion Calculations of Silica-Based Photonic Crystal Fibers
(Shahed University, 2019-06-01)In this paper, we present a solid-core Silica-based photonic crystal fiber (PCF) composed of hexagonal lattice of air-holes and calculate the effective index and chromatic dispersion of PCF for different physical parameters ...
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An Effective and Optimal Fusion Rule in the Presence of Probabilistic Spectrum Sensing Data Falsification Attack
(Shahed University, 2019-06-01)Cognitive radio (CR) network is an excellent solution to the spectrum scarcity problem. Cooperative spectrum sensing (CSS) has been widely used to precisely detect of primary user (PU) signals. The trustworthiness of the ...
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Conical Conformal Antenna Design using the CPM Method for MIMO Systems
(Shahed University, 2019-06-01)Abstract- In this article, the design of conformal antennas has been discussed using the characteristic modes (CM) method. For this purpose, the vector wave function(VWF) has been utilized to achieve a two-dimensional ...
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A New Circular Polarization Metamaterial Ferrite Phase Shifter
(Shahed University, 2019-06-01)In this paper, a new X band Metamaterial (MTM) based ferrite phase shifter is presented. The phase shifter is excited by circular polarized wave base on combination of TE10 and TE01 modes in a square waveguide. In order ...
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UWB Planar Conical Horn-Shaped Self-Complementary Bow-Tie Antenna
(Shahed University, 2019-06-01)An ultra-wideband (UWB) self-complementary planar bow-tie antenna (SCPBTA) is proposed. The antenna consists of a printed conical horn-shaped (CHS) radiator and a counterpart CHS slot etched on a rectangular ground plane. ...
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The Role of Regulatory in Price Control and Spectrum Allocation to Competing Wireless Access Networks
(Shahed University, 2019-06-01)With the rapid growth of wireless access networks, various providers offer their services using different technologies such as Wi-Fi, Wimax, 3G, 4G and so on. These networks compete for the scarce wireless spectrum. The ...
