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All Journal Jurnal Mahasiswa TEUB Jurnal EECCIS Jurnal Fortech Jurnal FORTECH
Sigit Kusmaryanto, Sigit
Jurusan Teknik Elektro Fakultas Teknik Universitas Brawijaya
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering

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OPTIMIZATION OF CHANNEL PERFORMANCE AND CAPACITY ON OPENBTS USING USRP N210 Prapanca, Muhammad Eksya; Kusmaryanto, Sigit; Kurniawan, Dwi Fadila
Jurnal Mahasiswa TEUB Vol. 12 No. 6 (2024)
Publisher : Jurnal Mahasiswa TEUB

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Abstract

Indonesia, as the largest archipelagic country in the world, with an area of 2 million square kilometers and consists of 17,500 islands, as well as a population of around 250 million people. Facing challenges in the development of telecommunications infrastructure, especially in remote areas, Indonesia faces difficulties in providing equitable telecommunications access, especially in remote areas. Although most villages and sub-districts have been covered by BTS signals, some still experience weak signal constraints or do not get a signal at all. Alternative solutions such as OpenBTS, an open-source software project, are becoming relevant in this context. OpenBTS can help address infrastructure challenges by providing telecommunications services such as phone calls and SMS at lower implementation costs. However, it should be noted that the use of OpenBTS can also face challenges such as delays in service, especially in Non-Line-of-Sight (NLOS) conditions.The purpose of this study is to design an OpenBTS telecommunication network using an Ubuntu 14.04.6-based USRP N210 device. Then improve the quality of use by optimizing the OpenBTS service and testing its reliability in various operational scenarios, including the use of SMS andphone call services.Keywords: GSM, OpenBTS, USRP, SMS, Telephone, Delay
Implementasi Jaringan Hotspot dan Manajemen Bandwidth untuk Meningkatkan Sistem Pembelajaran di PONPES PPAI An Nahdliyah (MAPKNU) Karangploso, Kabupaten Malang Vasti, Yana Valda Tsania; Kusmaryanto, Sigit; Mustofa, Ali
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
Publisher : Jurnal Mahasiswa TEUB

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Wi-Fi-based hotspot networks have become the main solution for providing broad and flexible internet access, especially in environments that require shared connections, such as educational institutions. This research focuses on the design and construction of a Wi-Fi-based hotspot network at the PPAI Annahdliyah Islamic Boarding School (MAPKNU) Karangploso, Malang Regency, with the implementation of bandwidth management for even distribution of connections. The activity stages include site surveys, hardware installation, software configuration, and Quality of Service (QoS) testing. Test results show an increase in bandwidth efficiency after implementing management using Mikrotik, where throughput increased from an average of 4.5 Mbps to 9.8 Mbps, delay was reduced from 78 ms to 45 ms, and packet loss fell from 6% to 1%. This increase reflects more efficient bandwidth allocation and better connection quality for all users.Keywords – Hotspot, Bandwidth Management, QoS.
Transmitter Gelombang Frekuensi Radio (RF) FM Berbasis Raspberry Pi Mustofa, Ali; Kusmaryanto, Sigit; Ambarwati, Rusli; Dwika Nanda, Bravy
Jurnal FORTECH Vol. 3 No. 2 (2022): Jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56795/fortech.v3i2.105

Abstract

In recent years, technology in the telecommunications sector has developed rapidly, especially with the global situation encouraging the use of long-distance communications. One of these developments is the use of the Raspberry Pi, abbreviated as Raspi, as a substitute for conventional computers for receiving and transmitting FM radio signals. Raspberry Pi is a mini and portable computer that can be used as an alternative to conventional computers in general, such as the use of teleconference media, offices, Big Data, and as a video player with high resolution. The problem in using a computer as an FM radio signal transceiver system is its complex and expensive infrastructure. When compared to the Raspberry Pi 3 with a price range of IDR 500,000 - IDR 1,000,000, a transceiver system using conventional computers requires a computer in general at a price far exceeding the said price. Using Raspi makes it easy to transmit FM radio signals by simply coding through the Raspi terminal. In this study, the authors propose a transmitter system using a Raspberry Pi 3B+ which is connected to a dipole antenna at a working frequency of 100 – 101 MHz. Raspi is operated using the SSH protocol for remote desktops. The operating system used is Raspberry Pi OS with the use of a MAC computer (MAC OS) as a remote desktop. The results show that the Raspberry Pi device can be used to transmit FM radio signals at a frequency of 100 - 101 MHz. The dipole antenna tested using VNA (Vector Network Analyzer) with a length of 71 cm and a linear form can transmit a signal with a VSWR of 1.08 - 1.95:1 at a working frequency of 94.9 - 103.06 MHz and a return loss of -28.1 dBm at a frequency of 98.98 MHz.
Co-Authors Abdillah, Ginanjar Fahmi Ahimsa, Hanif Ali Mustofa Ambarwati, Rusli Dwi Fadila Kurniawan Dwika Nanda, Bravy Herfita, Najya Putri Kamil, Muhammad Ilham Maulana, Eka Nurussa’adah, n/a Prapanca, Muhammad Eksya Prijono, Wahju Adi Puspita, Karina Ayu Putra, Muhammad Daffa Ramadhan Raden Arief Setyawan Rizqullah, Putra Rusmi Ambarwati Sapriesty Nainy Sari Suci Permata Sari Valeri, Rayhan Azhar Vasti, Yana Valda Tsania