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The Effect of Complimentary Split Ring Resonator Placement on Antenna Patch and Ground Plane to Microstrip Antenna Reduction Dimension and Bandwidth Habib Muharry Yusdartono; Fitri Apriyulida; Ananda Faridhatul Ulva
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6568

Abstract

This reasearch is aimed to observe the comparison of CSRRs performance on Antenna Patch and Ground Plane so that the Antenna can be implemented in ADS-B frequency.  The CSRR outer dimension is 13 mm x 10 mm and  the inner dimension is 9 mm x 6 mm, obtained  of Return loss and VSWR simulation are respectively -13.7860 dan 1.5141. The iteration is done after the CSRR is added to its Patch and ground plane so that return losses  are -10,329 dB and -13,554 dB and the VSWRs  obtained were 1.8755 and 1.5317. In addition, the redution of Patch and Ground plane dimensions also is occurred when CSRR is on Patch by 18.5% and 30.2%, reduction Patch and Ground plane dimension occurred when CSRR is on Ground plane by 24.1% and 23.16%.  Etched on Patch and Ground plane, CSRRs effect Bandwidth, Bandwicth decreases at 0.015 GHz at CSRRs on patch and increases at 0.040 GHz whereas Bandwidth is 0025 GHz before CSRRs is etched.  
IoT-Based Monitoring System To Support Village Food Security In The Smart Village Concept Nunsina Nunsina; Zahratul Fitri; Nazimah Nazimah; Ananda Faridhatul Ulva
Brilliance: Research of Artificial Intelligence Vol. 5 No. 2 (2025): Brilliance: Research of Artificial Intelligence, Article Research November 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v5i2.7229

Abstract

Food security is a critical issue that directly affects a nation’s social, economic, and political stability. The growing demand for staple foods such as rice, corn, and soybeans continues to exceed domestic production capacity, posing challenges to sustainable agricultural development. To overcome these issues, the Smart Village concept presents an innovative solution by integrating digital technology into rural agricultural systems. This study focuses on applying the Internet of Things (IoT) to enhance agricultural productivity and food security in Bireuen Regency. An IoT-based monitoring prototype was developed to regulate essential environmental parameters—pH, electrical conductivity (EC), nutrient solution temperature, and air humidity—through real-time sensor data collection and automated control. Experimental implementation revealed that the system effectively maintained optimal conditions: pH between 5.5–6.5, EC from 1.2–2.0 mS/cm, temperature between 20–28 °C, and humidity ranging from 65–80%. These controlled conditions created a stable growing environment that significantly improved crop performance. The results demonstrated measurable benefits: lettuce productivity increased by 18%, water-use efficiency improved by 27%, and crop failure rates decreased by 20%. Such improvements indicate that IoT technology not only stabilizes environmental variables but also enhances resource utilization and supports sustainable farming practices. Overall, the integration of IoT-based monitoring systems within the Smart Village framework represents a strategic approach to modern agriculture, promoting efficiency, sustainability, and rural independence in food production.