Journal of Microwave Engineering and Technologies
https://engineeringjournals.stmjournals.in/index.php/JoMET
<p><strong>Journal of Microwave Engineering & Technologies (JoMET)</strong> </p><p><strong>eISSN: 2349-9001</strong></p><p><strong>Click <a href="/index.php/JoEDT/about/editorialTeam">here</a> for complete Editorial Board</strong></p><p><strong><strong></strong></strong><strong><strong>Scientific Journal Impact Factor (SJIF):</strong> <span>6.123</span></strong></p><p><strong>Journal of Microwave Engineering & Technologies (JoMET)</strong> is a print and e-journal focused towards the rapid publication of fundamental research papers on all areas of Microwave Engineering & Technologies. <span>It's a triannual journal, started in 2014.</span></p><p><strong>Journal DOI no.: 10.37591/JoMET</strong></p><p><strong><strong>Readership:</strong><span> </span></strong>Graduate, Postgraduate, Research Scholar, Faculties, Institutions, and in Industries.</p><p><strong>Indexed in: </strong>Google Scholar, Journal TOC, Indian Science Abstracts, Citefactor, SJIF, <a href="https://journals.indexcopernicus.com/search/details?id=125011">Index Copernicus (ICV</a> : 57.27)</p><p><strong>Focus and Scope Covers</strong></p><ul><li>Microwave, Millimeter-Wave, and Terahertz Technologies</li><li>Microwave Antennas and Devices</li><li>Microwave Photonics</li><li>Infrared and Laser Technologies</li><li>Band Gap Materials</li><li>Electromagnetic Field</li><li>Microwave Communications</li><li>MMIC, MEMS, PBG Structures and Metamaterials</li></ul><p><span>All contributions to the journal are rigorously refereed and are selected on the basis of quality and originality of the work. The journal publishes the most significant new research papers or any other original contribution in the form of reviews and reports on new concepts in all areas pertaining to its scope and research being done in the world, thus ensuring its scientific priority and significance.</span></p><p><strong>Submission of Paper: </strong><strong></strong></p><p>All contributions to the journal are rigorously refereed and are selected on the basis of quality and originality of the work. The journal publishes the most significant new research papers or any other original contribution in the form of reviews and reports on new concepts in all areas pertaining to its scope and research being done in the world, thus ensuring its scientific priority and significance.</p><p>Manuscripts are invited from academicians, students, research scholars and faculties for publication consideration.</p><p>Papers are accepted for editorial consideration through email <a href="mailto:electronics.editor@celnet.in"><strong>electronics.editor@celnet.in</strong></a><strong> or <a href="mailto:electronics@stmjournals.com">electronics@stmjournals.com</a></strong></p><p><strong>Subject: </strong>Microwave Engineering</p><p><strong>Abbreviation: JoMET</strong></p><p><strong>Frequency</strong>: Three issues per year</p><p><strong><a href="/index.php/JoMET/about/editorialPolicies#sectionPolicies">Peer Reviewed Policy</a></strong></p><p><strong><a href="/index.php/JoMET/about/editorialTeam">Editorial Board</a></strong></p><p><a href="http://stmjournals.com/pdf/Author-Guidelines-stmjournals.pdf"><strong>Instructions to Authors</strong></a></p>en-USJournal of Microwave Engineering and Technologies2349-9001BER Performance Analysis of MIMO With and Without Beamforming and Relaying Techniques
https://engineeringjournals.stmjournals.in/index.php/JoMET/article/view/7408
<p class="Abstract"><em>The exponential surge in data traffic within contemporary communication systems has given rise to a challenge: a shortage in system information rates. To address these pressing issues, large-scale multiple-input multiple-output (MIMO) techniques have emerged as a promising solution. These advanced techniques not only enhance energy efficiency but also optimize spectrum performance, positioning themselves as a pivotal cornerstone for the forthcoming evolution of wireless communication systems. In wireless communication systems, fading is a phenomenon that can at times cause a very faint signal to be received on the other side, leading to errors in the received bits. Bit error rate (BER) needs to be reduced for better signal quality. The beamforming approach is one method for enhancing BER. The BER for QAM in a Rayleigh fading channel with two or more transmitter antenna and one receiver antenna, with or without beam shaping, is examined in this study. Also, the BER performance is analysed using relay techniques and it is observed that BER is minimized using beamforming and relaying techniques.</em></p>B. Vijaya LakshmiN. Durga Naga Lakshmi
Copyright (c) 2023 Journal of Microwave Engineering and Technologies
2023-11-222023-11-2210217Pathloss and Coverage Analysis of FM Signals for Terrestrial Communication Design over Akure, Nigeria
https://engineeringjournals.stmjournals.in/index.php/JoMET/article/view/7734
<p class="IETAbstractText"><em>Accurate analysis of Free Space Loss (FSL) of electromagnetic radiations</em><em> </em><em>plays significant roles in the design and </em><em>planning</em><em> of terrestrial communication</em><em> system at </em><em>radio wave and </em><em>microwave frequencies.</em><em> Hence, it remains important to </em><em>continuously evaluate </em><em>the dependence </em><em>of </em><em>radio waves </em><em>signal strength on the properties of the propagating medium.</em><em> This work employed </em><em>drive test</em><em> technique</em><em> and free space loss analysis</em><em> </em><em>of some Frequency-Modulated (FM) channels in Akure, Ondo State, Nigeria, to develop a location-specific pathloss model and characterize signal strength coverage statistics. Signal strength variation of four (4) FM-radio stations across three (3) selected paths that connect different axes of the State was conducted. DBC BC 1173, a digital signal meter was used to measure the signal strength (RSS). The measurement of signals was conducted from both high-powered and low-powered radio transmitters. Similarly, path elevation and geographical coordinate of each measurement point on each route was obtained through Garmin GPS 72 Personal Navigator. A location-specific pathloss-computation model that is unique to the study environment was developed for each of the FM-radio stations, and a comparative analysis of their performance was conducted against selected existing pathloss models. The Least value of coefficient of determination, R<sup>2</sup>, obtained equals 0.86, which indicates a fairly strong reliability of the developed models.</em></p>Ayodeji G. Ashidi
Copyright (c) 2023 Journal of Microwave Engineering and Technologies
2024-03-192024-03-1910282110.37591/jomet.v10i2.7734A Quad-Element UWB-MIMO Triangular Monopole Antenna with Triple Band -Notch and High Isolation
https://engineeringjournals.stmjournals.in/index.php/JoMET/article/view/7632
<p><em>A quad-element UWB-MIMO triangular monopole antenna with triple notched bands and high isolation is proposed in this paper. The presented antenna consists of four triangular -shaped antenna elements, which are arranged in orthogonal orientation. This antenna is printed on low-cost FR-4 substrate with dielectric constant of 4.4 and its overall size is </em><em>50 × 50 × 1.6 mm<sup>3</sup></em><em>. Its operating frequency band is 2.97~11GHz. High isolation of 22dB between four radiating elements was attained for bandwidth range by using the square ring-shaped metallic barrier. Triple band rejection property at WiMAX band, WLAN band and the downlink of X-band satellite communication system was obtained using L-shaped and I-shaped resonant slots. A great agreement between simulation and measurement was achieved.</em><em></em></p>Chun Song KimKang Hui HongWon Jong RiUn Chol Kimhyok Il KimSe Ung Kim
Copyright (c) 2023 Journal of Microwave Engineering and Technologies
2024-03-192024-03-191023037A Compact CPW-fed Quadruple-band-notched Antenna with Concentric Annular-rings for UWB Applications
https://engineeringjournals.stmjournals.in/index.php/JoMET/article/view/7604
<p><em>In this paper, a compact coplanar waveguide (CPW)-fed quadruple-band-notched antenna with concentric annular-rings for ultra-wideband (UWB) applications is presented. The proposed antenna consists of four</em><strong><em> </em></strong><em>concentric annular-ring</em><strong><em> </em></strong><em>resonators, a circular shape radiating</em><em> </em><em>element and a CPW feed line. The quadruple band rejection is easily achieved by controlling the widths and radii of four</em><em> </em><em>concentric</em><em> </em><em>annular-ring </em><em>resonators. Through the exception of four stop-bands at 3.29 to 3.7 GHz, 5.07 to 5.92 GHz, 6.98 to 7.71 GHz, and 7.97 to 8.52 GHz for filtering the worldwide interoperability for microwave access (WiMAX) mechanisms, wireless local area networks (WLANs), downlink of X-band satellite transmission systems, and ITU band communications, correspondingly, the voltage standing wave ratio (VSWR) results indicate that the proposed antenna exhibits good wideband achievement over a UWB frequency range from 3 to 10.7 GHz with VSWR less than 2. Except for the notched frequency bands, good radiation patterns and gain characteristics are produced throughout the complete UWB frequency range. When the measured and simulation findings were compared, there was good agreement.</em><em> </em><em>The proposed antenna provides a simple structure and good characteristics</em><em> </em><em>and is suitable for UWB applications.</em></p>Un Chol KimHyon Jin KimJong Yol ChoeChol Ryong KimMyong Su HongKwang Il Ri
Copyright (c) 2023 Journal of Microwave Engineering and Technologies
2024-03-192024-03-191023847Optimizing Handoff Probability in GSM Networks: A Comprehensive Review of Pathloss Modeling Techniques
https://engineeringjournals.stmjournals.in/index.php/JoMET/article/view/7733
<p><em>Because wireless networks are becoming more and more popular, it is necessary to combine several heterogeneous networks in order to give users access to global information. An intriguing and modern concept called vertical handoff aims to combine several network interfaces. Battery power is the single most essential parameter that affects specific mobile nodes. The battery life of some mobile nodes is nearly depleted at the conclusion of algorithm execution because of the intricacy of earlier vertical handoff algorithms. Furthermore, since mobile nodes run on limited battery power, switching to a network with lower power consumption helps prolong usage time when the battery level drops below a predetermined point. Therefore, creating a vertical handoff method with the least amount of complexity is essential. This study develops a new vertical handoff method that uses two easy steps to determine the optimal handoff option. This method, in contrast to earlier algorithms, distinguishes between mobile stations with abundant resources and those with limited resources while it is running. The reason this algorithm assists in connecting to the best network near the mobile station is that it considers the dynamic new call blocking likelihood while making the handoff decision.</em></p>M. N. V. S. S. KumarJ SateeshM. Hatika
Copyright (c) 2023 Journal of Microwave Engineering and Technologies
2024-03-192024-03-19102222910.37591/jomet.v10i2.7733