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650 articles for “Simulation”
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Design and Modelling of Solar Energy System for Rural Areas
Abstract: In this study, energy audit and assessment of Ovbiogie community, a remote settlement located at Ovia North-East Local Government Area, Benin City, Edo State was carried out. The objective of the paper is to determine the energy consumption within the community at various clusters of energy and power demand levels. In order to achieve the objective, experimental analysis using solar Photovoltaic PV systems was carried out in the community and …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 4, Issue 1, 2018 · pp. 19–29 Read article
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Experimental Validation of Frequency Response Model Matching Method for Processes with Dead-Time
Abstract: ABSTRACT This paper addresses proportional-integral- derivative (PID) controller design for singleinput, single-output (SISO) process. The controller design is based on the frequency response model matching method. Tuned parameters of PID controller are found by two methods. A double feedback loop configuration is considered. In the first method, The inner loop is designed with a stabilizing gain while the outer loop is designed using frequency response matching between the closed loop …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 5, Issue 1, 2019 · pp. 30–40 Read article
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Analysis and Minimization of Limit Cycles in Fuzzy Control Systems
Abstract: ABSTRACTLimit cycles are an important and critical phenomenon commonly found in a class of non-linear control systems. Limit cycles can be observed in different areas of engineering and natural systems. These are frequently found in an aircraft wing fluttering, where the interaction of aerodynamic forces and structural vibrations are present. The design of a control system using fuzzy logic controllers (FLC) are non-linear in nature. The presence of limit cycles …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 6, Issue 1, 2020 · pp. 1–10 Read article
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Equivalent Circuits For High Frequency Bipolar Transistors
Abstract: Two types of equivalent circuits were considered to represent small signal/linear bipolar transistor behaviour at high frequencies. Elements/Parameters of the equivalent circuits are extracted from measured S parameters using gradient method by Fletcher-Powell. Exact gradients of S parameters were determined by using gradient conversion matrix formula between two-port open circuit impedance parameters and two port scattering parameters. Good agreement between measured and simulated all the four two port S parameters …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 3, Issue 1, 2017 · pp. 1–9 Read article
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Cluster-Based Secure Communication Using Short Path Selection in MATLAB
Abstract: The wireless sensor networks (WSNs) consists of several autonomous sensor nodes with sensing, processing and wireless communication capabilities. In this work, the sensor network security issues are resolved in clustered network when a new node enters into the network. In this present work, two-stage authenticated communication is defined. The first-level authentication is applied between the base station and the cluster head. In this process, the public key cryptography is applied …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 4, Issue 1, 2018 · pp. 21–29 Read article
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Reduction of Leakage Parameters in Novel 6CNT Schmitt Trigger Using LECTOR Technique
Abstract: This paper presents an overview of design optimization of leakage parameters in 6CNT Schmitt trigger using proposed power reduction technique. We use lector technique to reduce leakage parameter in the circuit. The simulation has been performed using H-spice software at 32nm technology. Schmitt trigger is used to convert analog signals to digital signals, i.e., it converts any kind of wave at input to square wave at output. Power Dissipation and …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 5, Issue 1, 2019 · pp. 36–42 Read article
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High-Performance FinFET Based 8T SRAM with Enhanced Performance Parameters Using Self-Controllable Voltage level (SVL) Technique
Abstract: The scaling of standard single-gate bulk CMOS faces great challenge in the nanometer regime due to the severe short-channel effects (SCE) which causes significant increase in the leakage current. In this paper, a high-performance eight transistor (8T) SRAM has been proposed for reduction in leakage current and power consumption using double-gate FinFET with the proposed technique. Double gate FinFET has better SCEs performance compared to conventional CMOS. In this paper, …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 5, Issue 1, 2019 · pp. 16–24 Read article
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An Improvement of Out-of-Band Suppression in Common-Gate LNA with Transformer-Based Input Matching Network for BLE Applications
Abstract: The purpose of this paper is to improve out-of-band suppression in capacitive cross-coupling common-mode LNA with transformer-based input matching for BLE applications. Starting from an overview of the transformer-based matching network, the problematic issue is addressed through analytical considerations and its solution is presented. Transformer-based matching introduces an undesired peak response by an extra conjugate pole pair owing to the imperfect magnetic coupling of the transformer which degrades the suppression …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 7, Issue 2, 2021 · pp. 9–23 Read article
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Application of Rectangular Patch Antenna for a Moisture Content Sensor
Abstract: Micro-strip patch antenna is a low cost, easy to fabricate, light weight which is used for transmit and receive electromagnetic wave. This paper tells about the micro-strip rectangular patch antenna moisture sensor for different types of rice which are basmati rice and ambemohar rice both are easily available in Indian market and it has been measured by using two different substrate RT-duroid 5880 and FR4 lossy. A relationship is to …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 1, 2015 · pp. 5–9 Read article
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A S-BAND “SQUQRE SHAPE” METAMATERIAL STRUCTURE TO ENHANCE THE PERFORMANCE OF RECTANGULAR MICROSTRIP PATCH ANTENNA
Abstract: A communication system always involves a spectrum or band of frequencies and as such the question of bandwidth is an important parameter in RMPA. But miserable efficiency, narrow bandwidth and high return loss are the major drawbacks of Micro-strip patch antenna. Even though, to enhance the characteristic parameter of RMPA, metamaterial is founded as a better candidate. The main motive of this design is to improve the distinctive parameter of …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 1, 2015 · pp. 14–19 Read article
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Rectangular Microstrip Antenna Design and Analysis for Exposure System at 900 MHz with Different Feeding Mechanism
Abstract: Microstrip antennas widely used in defence applications, in aircrafts and in applications where narrow bandwidth is required. In this work an antenna is designed with 3 different feeding mechanisms. The feeding mechanism is used to provide the path for the flow of current from the source. The three different feeds are Line feed, Quarter wave transformer feed and Inset feed. The rectangular microstrip patch antenna designed at 900 MHz and …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 7–19 Read article
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Reduced the size of RectangularMicrostrip patch Antenna by Using Double Sided Metamaterial
Abstract: This paper, present the design of double sided metamaterial which reduces the size of Rectangular Microstrip patch antenna. First of all, design the Rectangular Microstrip patch antenna(RMPA) then simulate it with and without metameterial. Without Metamaterial, Rectangular Microstrip patch antenna, is resonate at 5.54 Ghz and its gain is 1.79db , directivity is 4.81dBi and its total efficiency is 30% and with Metamaterial RMPA is resonate at frequency is 2.24 …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 28–34 Read article
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Compact Slot Multiband Antenna With Modified Ground Plane For Wireless Applications
Abstract: A miniaturized microstrip-fed multiband antenna is presented. Slots inside the rectangular patch with a modified ground plane are utilized to generate multiple frequency bands. The proposed antenna has a substrate size of 30*30 mm2, fed by a 50 Ω microstrip feed line and covers four frequency bands with resonant frequencies 2.5 GHz, 3.3 GHz, 5.3 GHz and 5.8 GHz respectively. Various parametric studies allowed and the results in terms of …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
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COMPARISION OF MICROSTRIP BAND PASS AND BAND REJECT FILTER AT GSM BAND (1850MHz) USING DGS TECHNIQUE
Abstract: ABSTRACT- In microwave communication filters are more essential high frequency component. To improve the insertion loss the DGS technique is used. DGS i.e, (defected ground structure) is a technique where cuts are drawn on ground to impove the results and reduce the size of filters. Band pass and band reject filters are the filters which pass and reject the frequency. A band pass and band reject filter is designed with …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 50–56 Read article
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Circular Head-Shape Slotted Circularly Polarized Microstrip Antenna
Abstract: In this paper, one of the important parameter a is circular polarization. The design consists of square microstrip patch antenna using circular head-shape slot in second quadrant of the patch. Microstrip patch antenna is low profile, low cost antenna. A design of coaxial feed circular polarized, square shape microstrip antenna is presented and simulated by using CST 2010 and 4.4 relative permittivity law cost FR-4 (lossy) substrate are used. The …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 18–22 Read article
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Analysis and Design of Frequency and Gain of Dual Band Equilateral Triangular Microstrip Patch Antenna with DGS Using ANN
Abstract: A Dual-frequency equilateral triangular microstrip patch antenna using defected ground structure of c-band and s-band with enhanced gain has been designed with frequency of 2.82 GHz and 5.19GHz. The design and simulation of antenna is performed by CST.We have analyzed that after insertion of DGS(Defected Ground Structure) in equilateral triangular microstrip patch antenna presents marked improvement in gain. Artifical neural network is used in computation of frequency of equilateral triangular …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 19–31 Read article
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Quad-Band L-Shaped Slots Integrated Microstrip Patch Antenna for Radio Frequency Energy Harvesting Applications
Abstract: This study presents an L-shaped slots integrated Microstrip antenna for Radio frequency (RF) energy harvesting applications. It is designed on FR-4 Epoxy substrate material with the coverage of four bands (GSM-900, GSM-1800 Wi-Fi sources 2400, and 3300MHz frequency band allocated for WiMAX applications) of cellular communication. The proposed L-shaped slots antenna consists of four symmetric/asymmetric stubs and four symmetric L-shaped slots. L-shaped slots are integrated inside a square patch of …
Published in International Journal of Microwave Engineering and Technology · Vol. 4, Issue 2, 2018 · pp. 6–14 Read article
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Design and Analysis of Broadband Flexible Antenna for Remote System
Abstract: ABSTRACT In this anticipated antenna, jeans have been utilized as a substrate. The dielectric constant of substrate is 1.7 and patch has been made by copper tape. The benefits of jeans are long wearing, simple consideration attire, and cost effective. This anticipated antenna provides gain of 3.592 dBi at 5.27 GHz. In this paper, the analysis has been focused on S11, radiation pattern, directivity and polar plot. Keywords: Jeans, microstrip …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 1, 2019 · pp. 19–23 Read article
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A Wide Band and High Bandwidth Microstrip Patch Antenna for WLAN Applications
Abstract: ABSTRACTThe patch antenna is one of the most important and usually type of RF antenna. It is widely used on its own, and it is also incorporated into lots of different RF antenna layout where it forms the driven elements for the antenna. In this paper, an attempt has been made to analyse a proposed broad band and high band width microstrip patch antenna for WLAN applications. The proposed antenna …
Published in International Journal of Microwave Engineering and Technology · Vol. 6, Issue 1, 2020 · pp. 14–17 Read article
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OFDM Systems with Reduced PAPR
Abstract: To reduce peak to average power radio (PAPR) of orthogonal frequency division multiplexing (OFDM) system, flexible and distortion less methods like SLM (Selected mapping) and PTS (Partial transmit sequences) are very useful. The variation of OFDM signal amplitudes is very wide with high PAPR. Huge PAPR necessitates a DAC with sufficient dynamic range to handle the OFDM signals' large peaks. PAPR reduction has been demonstrated to save considerable amounts of …
Published in International Journal of Microwave Engineering and Technology · Vol. 7, Issue 1, 2021 · pp. 22–28 Read article