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TELEKONTRAN: Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan
Published by Universitas Komputer Indonesia
ISSN : 23032901     EISSN : 26547384     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering
Jurnal Telekontran merupakan wadah yang menampung penelitian, gagasan dan pemikiran dari para peneliti dalam bidang teknik elektro kususnya bidang telekomunikasi, kendali, dan elektronika terapan.
Arjuna Subject : -
Articles 193 Documents
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Rancang Bangun Prototipe Sistem Jalur Bongkar Muat Cerdas (Smart Loading Zone) Rizal Aprianto; Dandy Aji Saputra; Ariffansyah, Yunindra Eka
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 1 (2025): TELEKONTRAN vol 13 no 1 April 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i1.16980

Abstract

The rapid growth of cities in Indonesia, especially in market and terminal areas, poses challenges in managing logistics and parking of goods vehicles. The main problem is the limited land that causes vehicles to park haphazardly, resulting in congestion and delays in distribution. This study develops a Smart Loading Zone system based on Arduino Uno, with ultrasonic sensors to detect vehicles, servo motors as automatic portal drivers, and LCD screens to display available parking slot information. After the system was assembled and tested, the results showed that the ultrasonic sensor was able to detect vehicles accurately, while the servo motor and LCD worked according to the specified system logic. The portal opens automatically when a vehicle is detected and slot information is immediately updated on the LCD. This system helps regulate vehicle flow to be more orderly, avoids haphazard parking, and speeds up the loading and unloading process. This system is effective and economical to be applied in dense areas, and supports the smart city concept in micro logistics management. This technology can also be further developed as an IoT-based solution for more efficient distribution management.  
Analysis of Very High Frequency Extended Range 134.1 MHz Signal Interference at AirNav Surabaya Branch Novitri, Elizabeth Rindi; Fatonah, Feti; Toni
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17209

Abstract

 In aviation navigation systems, radio communication between pilots and air traffic controllers (ATC) plays a crucial role in ensuring flight safety and efficiency. A disruption known as a blank spot occurred in the Very High Frequency Extended Range (VHF-ER) system on frequency 134.1 MHz in the Upper Pangkalan Bun (UPKN) sector managed by AirNav Indonesia, Surabaya Branch. This interference caused signal loss between pilots and ATC, leading to potential air traffic miscoordination. This study aims to analyze the root causes of the signal disruption and propose technical solutions to improve communication reliability. A qualitative descriptive method was applied, using a fishbone diagram to identify contributing factors from five aspects: human, machine, method, material, and environment. The results indicate a positive correlation between equipment management quality and VHF-ER communication reliability. Key contributing factors include limited technician numbers, lack of training, the use of sectoral antennas with narrow coverage, and improper antenna placement that does not meet technical standards. The implemented solution was replacing sectoral antennas with omnidirectional types. Regular performance checks and strict SOP implementation also helped enhance communication quality. The study recommends improving technician competency, reassessing antenna placement, and conducting routine maintenance as preventive actions.
Centralized Design and Analysis of Fiber Optic Communications on Universitas Garut Sani, Sani Moch Sopian; Dhami, Dhami Johar Damiri; Folin Oktafiani; Mokhammad Mirza Etnisa Haqiqi; Tri Arif Wiharso
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17492

Abstract

In response to the increasing digital demands in higher education, this study investigates the design and feasibility of a centralized fiber optic communication system to support high-speed, reliable, and scalable network infrastructure at Universitas Garut. The proposed system replaces legacy copper-based and wireless networks that suffer from limited bandwidth and high signal loss, with a centralized topology using ITU-T G.652.D single-mode fiber to interconnect four campus buildings. A comprehensive design process was conducted, including route mapping based on GIS data, device selection, and technical performance analysis. Link budget and rise time budget calculations were performed to evaluate power losses, signal integrity, and feasibility over distances ranging from 1.4 to 2.14 km. Results show that received power levels across all routes remain significantly above the receiver sensitivity threshold of −24 dBm, with total losses under 13 dB, and rise time values under 40 ps, far below the 4501 ps limit for NRZ systems at 155.52 Mbps. These findings confirm that the proposed architecture ensures both signal strength and timing performance without the need for amplification or dispersion compensation. The system is proven technically feasible, cost-effective, and scalable to accommodate future digital services such as VoIP, CCTV, and campus-wide high-speed internet.
NB-IoT Network Planning for Smart Metering Deployment in Purwokerto Ginting, Melinda Br; Amelia, Noor; Larasati, Solichah; Sinurat, Robin
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17625

Abstract

This study evaluates the feasibility of utilizing the 2100 MHz frequency band for the implementation of a Narrowband Internet of Things (NB-IoT) network in the Purwokerto region using two schemes, In-Band and Guard-Band.  This research aims to provide recommendations for the most efficient scheme to support the implementation of Smart Metering based on Advanced Metering Infrastructure (AMI) in the area. The method used is simulation based on radio planning software, considering the number of existing sites, network capacity, and coverage.  The key performance parameters analyzed include Reference Signal Received Power (RSRP), Signal to Interference plus Noise Ratio (SINR), and throughput. The simulation results show that both schemes can be used for the implementation of the NB-IoT network in Purwokerto, but the Guard-Band scheme provides better performance with RSRP of –94.39 dBm, SINR of 6.61 dB, and throughput of 14,947 bps, compared to the In-Band scheme, which results in RSRP of –99.39 dBm, SINR of 6.61 dB, and throughput of 14,623 bps. Based on these results, the Guard-Band scheme is recommended for implementation because it provides superior performance in the RSRP and throughput parameters, which are crucial for supporting the quality of Smart Metering AMI services. The contribution of this research is to provide new insights into the implementation of NB-IoT in Purwokerto and compare two frequency allocation schemes within the 2100 MHz band. Keywords: NB-IoT, Smart Metering, In-Band, Guard-Band, 2100 MHz.
Performance Enhancement of RSS-Based Secret Key Generation using Lightweight Minimal Bit Syndrome Reconciliation Method for IoT Devices Nisa, Choirun; M. Cahyo Kriswantoro
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17658

Abstract

Secure communication in Internet of Things (IoT) devices can be improved through physical-layer secret key generation. In secret key generation, an information reconciliation process is required to match the bit sequences between the two communicating devices. However, this process often involves complex statistical computations that increase system overhead and require the transmission of bits over an insecure public channel. Therefore, this research presents a lightweight reconciliation algorithm based on minimal bit syndrome to reduce overhead and improve key security. The proposed method processes quantized Received Signal Strength (RSS)  values into 8-bit block syndrome-based reconciliation mechanism and only the 8-bit syndromes from mismatched block are transmitted over the public channel. System testing was conducted under both static and dynamic scenarios in an indoor area using Raspberry Pi nodes. The results show that the proposed scheme demonstrates an improvement in the Key Generation Rate (KGR) by 2.2% and reduces the processing time by 11.6% in dynamic scenario and 8.3% in the static scenario. Also, the proposed scheme reduce the quantization and reconciliation time by 50% compared to previous research. Furthermore, the proposed method maintained a Key Disagreement Rate (KDR) of 0% across all block size and successfully passed the NIST randomness and complexity test, with all test parameters achieving p-values above 0.01. These result indicate that the proposed scheme improve the performance of existing secret key generation methods and it is suitable for implementation in IoT devices.   
Pemanfaatan Air Laut Sebagai Pembangkit Listrik Tipe Statik Dengan Plat Bimetal Dhaniswara, Erwin; Ramadhan, Mohammad Bangkit; Talakua, Eddy Lybrech; Tamaji
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17693

Abstract

Abstrak – Penelitian ini bertujuan untuk mengeksplorasi potensi air laut sebagai sumber energi listrik dengan memanfaatkan sistem pelat bimetal melalui pendekatan eksperimen laboratorium. Fokus utama kajian adalah menganalisis rancangan dan mekanisme kerja pembangkit listrik statik berbasis air laut sebagai alternatif energi terbarukan. Eksperimen dilakukan di PLN Nusantara Power UP Pacitan menggunakan prototipe sederhana yang terdiri atas pelat bimetal tipe Ni–Fe dengan ketebalan 0,3 mm dan luas permukaan 25 cm². Bimetal ditempatkan secara vertikal dalam wadah berisi air laut dengan variasi volume 1–3 liter, serta diuji pada kondisi suhu lingkungan 28–30°C dengan salinitas rata-rata 34%. Mekanisme konversi energi dilakukan melalui perubahan tegangan akibat perbedaan temperatur dan reaksi elektrokimia pada permukaan logam. Hasil uji menunjukkan peningkatan tegangan seiring bertambahnya volume air laut, yaitu 0,86 V pada 1 liter, 1,85 V pada 2 liter, dan 2,57 V pada 3 liter. Pada konfigurasi empat wadah terpisah yang disusun seri, tegangan total mencapai 3,87 V. Implementasi metode Oscillating Water Column (OWC) menghasilkan efisiensi konversi energi tertinggi sebesar 11,971%, menunjukkan bahwa sistem bimetal–air laut memiliki potensi signifikan sebagai sumber energi ramah lingkungan di wilayah pesisir Indonesia. Kata kunci : Bimetal, Air Laut, Energi Alternatif, Pembangkit Listrik, Efek Termal
Implementasi ROC dan SAW untuk Pengambilan Keputusan Mutu Hedonik Seduhan Teh Herbal Rosella-Serai-Stevia dengan Kontrol Temperatur Relay Berbasis Arduino Sariati; Pratama, Borneo Satria; Afnita, Deviola Yuri Afnita; Pertiwi, Aulia Hana; Maulana, Rizka Syaiful; Lestianti, Khairunnisa Arika; Fahrezy, Fico Dika; Gaol, Merdiaty Lumban
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17738

Abstract

Abstrak - Penelitian ini bertujuan menentukan formulasi terbaik seduhan teh herbal berbahan dasar Rosella (Hibiscus sabdariffa), Serai (Cymbopogon citratus), dan Stevia (Stevia rebaudiana) melalui uji hedonik serta analisis menggunakan metode Rank Order Centroid (ROC) dan Simple Additive Weighting (SAW). Sistem kontrol temperatur berbasis mikrokontroler Arduino digunakan untuk menjaga suhu penyeduhan pada 70 °C dan 100 °C. Uji hedonik melibatkan 56 panelis non-terlatih generasi Z terhadap atribut rasa, aroma, dan warna. Hasil menunjukkan bahwa penambahan stevia meningkatkan kesukaan rasa, sedangkan penyeduhan pada 100 °C memperkuat warna tetapi menurunkan penerimaan rasa akibat meningkatnya keasaman. Aroma terbaik diperoleh pada formulasi dengan tambahan stevia pada suhu tinggi. Berdasarkan analisis ROC (rasa > aroma > warna) dan SAW, sampel D (4 g Rosella, 4 g Serai, 2 g Stevia, 100 °C) memiliki skor preferensi tertinggi sebesar 0,968. Dengan demikian, formulasi tersebut direkomendasikan sebagai seduhan teh herbal terbaik.  Kata kunci : ROC, SAW, teh herbal, hedonik, rosella, serai, stevia, relay, arduino
Implementasi dan Evaluasi Alat Portable untuk Pengunduhan Data Setting dan Event Relay 20 kV dalam Mendukung Analisa Gangguan Jaringan di Gardu Induk Jarak Jauh Rafli, Rafli Pratama; Talakua, Eddy Lybrech; Bhuwana , Mahesa Sangga
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17753

Abstract

Abstrak - Penggunaan relay proteksi 20 kV sangat penting dalam sistem distribusi tenaga listrik untuk mendeteksi dan mengisolasi gangguan. Namun, proses pengunduhan data setting dan event sering terkendala ketika gardu induk berlokasi jauh dari pusat. Penelitian ini mengimplementasikan serta mengevaluasi kinerja alat portable pengunduh data setting dan event relay 20 kV berbasis komunikasi RS-485 (Modbus RTU). Metode penelitian meliputi perancangan perangkat, implementasi, serta pengujian di beberapa gardu induk. Hasil uji menunjukkan alat mampu mengunduh data setting dengan tingkat keberhasilan 100%, serta menghemat waktu lebih dari 70% dibanding metode manual. Data event terbaca lengkap dalam format COMTRADE dan CSV tanpa error frame hingga jarak kabel 15 meter. Alat beroperasi stabil dengan konsumsi daya rata-rata 85 mA dan durasi pemakaian aktif ±8 jam menggunakan baterai Li-ion 3000 mAh. Kebaruan (novelty) penelitian ini adalah implementasi alat portable mandiri tanpa laptop yang terbukti efisien untuk mempercepat analisa gangguan di wilayah terpencil, sehingga dapat meningkatkan keandalan jaringan distribusi.  Kata kunci : Relay 20 kV, Gardu Induk, Analisis Gangguan, Download Setting, Event Relay 
Integration of Multi-Platform IoT System for Earthquake Detection via Telegram and WhatsApp Nugraha, Satria Fitrah; Bhuwana, Mahesa Sangga; Hidayat , Dwi Taufik
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17817

Abstract

Earthquakes are natural disasters that can cause significant damage to infrastructure and endanger human lives. Therefore, early detection and rapid information dissemination are essential aspects of risk mitigation. Previous studies have developed earthquake detection systems based on the Internet of Things (IoT), but most were limited to a single communication platform, resulting in restricted information coverage and less optimal notification speed. This study aims to design and develop an IoT-based earthquake detection system integrated with multi-platform communication to provide real-time alerts via Telegram and WhatsApp applications. The system employs the MPU6050 sensor to detect ground vibrations, which are then converted into Richter Scale (SR) values as indicators of earthquake magnitude. If the SR value exceeds a certain threshold, the system automatically sends notifications to users through Telegram and WhatsApp, while simultaneously activating a buzzer and displaying information on the LCD. The test results indicate that the system can detect vibrations with SR values ranging from 0.67 to 5.10. The average notification delivery time was recorded at 1.4 seconds for Telegram and 2.6 seconds for WhatsApp. The contribution of this study is the integration of IoT with two popular communication platforms simultaneously, thereby expanding coverage, accelerating information delivery, and enhancing the effectiveness of earthquake disaster mitigation. 
Kalibrasi Sensor Tegangan Berbasis Least Square Untuk Meteran Energi Rumah Tangga Suhaimi, Khansa Salsabila; Muhtar, Ali; Kurniawan, Yusuf; Corio, Dean; Utami, Nia Saputri
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 2 (2025): TELEKONTRAN vol 13 no 2 Oktober 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i2.17889

Abstract

Upaya efisiensi energi dapat diwujudkan melalui penerapan smart energy meter pada rumah tangga yang akurat dan terkalibrasi. Salah satu tantangannya ada pada keterbatasan akurasi sensor tegangan, salah satunya ZMPT101B yang banyak digunakan namun belum banyak dikaji secara khusus dalam literatur ilmiah. Penelitian ini mengisi kesenjangan studi kalibrasi sensor tegangan ZMPT101B dengan pendekatan matematis yang sistematis dan evaluasi komprehensif menggunakan data rentang penuh 5–250 V. Tujuannya adalah meningkatkan akurasi pengukuran tegangan listrik, khususnya untuk aplikasi meteran energi rumah tangga. Sensor ZMPT101B dihubungkan dengan mikrokontroler Arduino Uno, dikalibrasi, dan diuji pada rentang tegangan 5–250 V dengan interval 5 V. Proses kalibrasi dilakukan dengan dua model matematis dari metode least-square, yaitu regresi linear dan regresi polinomial orde dua. Hasil metrik evaluasi menunjukkan bahwa model regresi linear dan model regresi polinomial mampu menurunkan deviasi pengukuran hingga 2 V (RMSE) dengan kesalahan relatif 2% (MAPE). Temuan tersebut menyoroti potensi metode kalibrasi sistematis untuk mendukung keandalan meteran energi pintar berbasis IoT berbiaya rendah, sehingga mendukung efisiensi energi rumah tangga di era digital

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