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All Journal Techno.Com: Jurnal Teknologi Informasi Proceeding of the Electrical Engineering Computer Science and Informatics SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Kilat MAESTRO Jurnal Rekayasa elektrika
Fath, Nifty
Universitas Budi Luhur
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Implementasi Bat Algorithm dalam Optimasi Penempatan Femtocell Nifty Fath; Eka Purwa Laksana; Rummi Sirait
Jurnal Rekayasa Elektrika Vol 14, No 3 (2018)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v14i3.12150

Abstract

Femtocell has been considered as an important technology to increase the cellular system capacity by bringing the base station closer to the user and shrinking the cell dimension. Basically, femtocell networks are deployed in indoor environment such as an office. Thus, femtocell placement problems are one of the important issues in planning the wireless networks, since the manual planning processes are not efficient. In this paper, the solution of femtocell placement problem in an indoor environment is solved by bat algorithm. Selecting the best position of the femtocell is the main objective so the capacity can be maximized. In a 100 trial study, the SNR can be optimized up to 34.89 dB. In conclusion, the bat algorithm is able to improve the SNR efficiently and effectively.
Potential Usage of Solar Energy as a Renewable Energy Source in Petukangan Utara, South Jakarta Eka Purwa Laksana; Yani Prabowo; Sujono Sujono; Rummi Sirait; Nifty Fath; Ardyono Priyadi; Mauridhi Hery Purnomo
Jurnal Rekayasa Elektrika Vol 17, No 4 (2021)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v17i4.22538

Abstract

Indonesia is a tropical country located on the equator. The average intensity of solar radiation in Indonesia is 4.8 kWh/m2. This makes Indonesia a country with new and ren ewable energy potential, one of which is solar panel technology. The first step that must be done in the process of installing solar panels in a place is to analyze the potential of solar energy. In this study, an analysis of the potential of solar energy as a new renewable energy source has been carried out at Budi Luhur University, North Petukangan, South Jakarta. Based on the research results, the maximum photovoltaic efficiency that can be achieved is 21.45%. During the day, the efficiency of the solar panels increases along with the ncrease in the value of the voltage obtained. However, the higher the panel temperature, the lower the efficiency of the solar panel. Therefore, a cooling system is needed to anticipate this.
ANALISIS PERBANDINGAN MODEL PROPAGASI PADA KOMUNIKASI SELULER 5G WILAYAH JAKARTA UTARA zaki, Achmad zaidan; Purnawan, Peby Wahyu; Fath, Nifty
MAESTRO Vol. 7 No. 1 (2024): Jurnal Maestro Vol.7 No.1. April 2024
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

In the realm of wireless communication, the choice of frequency and propagation model significantly influences signal propagation characteristics. This study delves into the comparative analysis of propagation models in 5G cellular communication, specifically focusing on the North Jakarta region. By employing the NYUSIM tool alongside 3GPP, Walfish-Ikegami, and ITU-R models, simulations were conducted at frequencies of 28 GHz and 3.5 GHz. The findings reveal a positive correlation between transmission distance and both Line-of-Sight (LOS) and Non-Line-of-Sight (NLOS) losses. As distance increases, LOS and NLOS values tend to elevate. At 28 GHz with the Omni antenna, LOS at 200 meters reaches 115.00 dB, while NLOS is 130.04 dB. However, using the Direc antenna at the same frequency and distance, LOS increases to 122.80 dB, and NLOS to 137.50 dB. Furthermore, frequency variation affects simulation outcomes, with 3.5 GHz displaying a broader range of Path Loss values (3.66 dB to 22.82 dB) compared to 28 GHz (4.40 dB to 23.53 dB). Consequently, the study underscores the critical role of frequency selection in determining signal loss levels and emphasizes the necessity of understanding frequency characteristics for efficient and reliable wireless communication network design.
Sistem Akses Kontrol Kunci Elektrik untuk Keamanan Rumah dengan E-KTP Berbasis RFID Broto, Suwasti; Muqod, Syahrinnuar; Fath, Nifty
Techno.Com Vol. 22 No. 1 (2023): Februari 2023
Publisher : LPPM Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/tc.v22i1.6964

Abstract

Pada saat ini, selain hanya untuk tanda pengenal seseorang, e-KTP masih jarang dimanfaatkan sebagai kartu pintar. Salah satu pemanfaatan e-KTP adalah sebagai sistem kunci elektrik berbasis RFID (radio frequency identification) maupun NFC (near field communication). Pada penelitian ini, dirancang sebuah sistem akses kontrol kunci elektrik untuk keamanan rumah dengan e-KTP berbasis RFID yang dilengkapi dengan keypad untuk memasukkan password.  Sensor hall effect digunakan untuk mengaktifkan dan mengnonaktifkan solenoid yang bekerja untuk membuka dan menutup pintu. Proses kerja sistem adalah dengan mencocokkan nomor unik pada ID e-KTP dan memasukkan password yang sudah tersimpan pada database mikrokontroler. Hasil dari proses tersebut akan menampilkan nama, UID (unique identification) e-KTP dan waktu akses pada LCD. Hasil dari pengujian menunjukkan bahwa sensor RFID memiliki batas pembacaan maksimal yakni 2 cm untuk membaca sebuah e-KTP dengan jeda waktu pembacaan e-KTP selanjutnya dalam selang waktu 1 detik
Co-Authors Achmad Rizky Achmad Rizky Angga Permana Anggraeni Dyah S Ardyono Priyadi Aulia Rakhman Broto, Suwasti Dwiyanto, Damar Faisal Adi Putra Tomyka Ode Fikri Hidayatulloh Harfa Iskandaria Indra Riyanto Inggit Musdinar Sayekti Sihing Yang Mawantu Jalu Nuralim Laksana, Eka Purwa Mauridhi Hery Purnomo Muqod, Syahrinnuar Musafa, Akhmad Nazori AZ Peby Wahyu Purnawan Reno Ardiansyah Rifqi Putra Riswarta Rizqina Rihadatul 'Aisy Rummi Santi Rama Sirait Rummi Sirait Sendy Maulana Sujono Sujono Sujono Sujono Suwasti Broto Tri Visenno Yani Prabowo Yayan Sopyan zaki, Achmad zaidan