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All Journal Jurnal Pamator : Jurnal Ilmiah Universitas Trunojoyo Madura Letters in Information Technology Education (LITE)
Suharto, Teguh Imam
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Humanities Economics, Econometrics & Finance Education Social Sciences

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IOT-Driven Smart Energy Monitoring: Development of Simonde in Telecommunication Laboratory Irfansyah, Ade; Suprapto, Yuyun; Pambudiyatno, Nyaris; Hariyanto, Bambang Bagus; Suharto, Teguh Imam
Letters in Information Technology Education (LITE) Vol 8, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um010v8i12025p39-49

Abstract

Accurate electrical energy monitoring is essential for effectively managing its usage. The Internet of Things (IoT) technology offers an optimal solution for real-time monitoring. This study aims to design and implement an IoT-based Power and Energy Monitoring System (SiMONDE) that efficiently monitors electrical energy usage in a telecommunications laboratory in real-time. The research employs a research and development methodology with the ADDIE model approach, encompassing three phases: (1) analysis, (2) design, and (3) development. The results indicate significant errors in SiMONDE when measuring current in the range of 0.3 to 0.12 Amperes, compared to a clamp meter. However, when measuring currents between 1.6 and 3.7 Amperes, SiMONDE exhibits a low error margin. Additionally, SiMONDE's media feasibility and usage feasibility percentages are 97.5% and 96.87%, respectively. The study concludes that SiMONDE is not sufficiently accurate for low-current measurements, yet demonstrates high usability feasibility according to user needs.
Enhancing Microstrip Antenna Performance with Metamaterial Structures: “A Parametric Study on S-Parameters and Radiation Characteristics” H, Bambang Bagus; p, Achmad Setiyo; Irfansyah, Ade; Suprapto, Yuyun; Pambudiyatno, Nyaris; Suharto, Teguh Imam; Prayitno, Hadi Setiyo
Jurnal Pamator : Jurnal Ilmiah Universitas Trunojoyo Vol 18, No 4a: December 2025
Publisher : LPPM Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/pamator.v18i4a.32846

Abstract

Microstrip antennas play a crucial role in modern wireless communication systems owing to their compact geometry, low manufacturing cost, and ease of integration with planar circuitry. Despite these advantages, conventional microstrip antennas encounter inherent limitations such as narrow bandwidth, low gain, and reduced radiation efficiency. To overcome these challenges, this study introduces an improved antenna configuration incorporating metamaterial structures—particularly the Split-Ring Resonator (SRR) and the Electromagnetic Band Gap (EBG)—designed to enhance electromagnetic performance through surface-wave suppression and resonance manipulation. A rigorous simulation procedure using CST Microwave Studio is employed to analyze the effects of metamaterial placement and geometric optimization. The investigation focuses on key performance parameters, including S-parameters (S11, S21), bandwidth, radiation patterns, gain, and radiation efficiency. Through parametric evaluation, the integration of metamaterials is expected to significantly improve impedance matching, broaden operational bandwidth, and enhance radiation stability compared to conventional designs. The results of this work are anticipated to provide meaningful insights into how metamaterial structures can reshape current distribution and modify antenna behavior across targeted frequency bands. These findings contribute valuable knowledge for developing high-efficiency antennas suitable for next-generation wireless technologies, particularly millimeter-wave applications, IoT devices, and high-frequency communication systems.
Co-Authors Bambang Bagus Harianto Irfansyah, Ade p, Achmad Setiyo Pambudiyatno, Nyaris Prayitno, Hadi Setiyo Yuyun Suprapto