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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Tata Boga Elkom: Jurnal Elektronika dan Komputer JMECS (Journal of Measurements, Electronics, Communications, and Systems) Journal of Computer Networks, Architecture and High Performance Computing
Norma Amalia, Norma
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Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology

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ANALISIS PENDEKATAN GAME THEORY UNTUK PEMILIHAN KANAL PADA JARINGAN RADIO KOGNITIF Amalia, Norma; Hindami, Ifaz Fachrul; Wahyudin, Ade
Transmisi Vol 20, No 2 April (2018): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (544.417 KB) | DOI: 10.14710/transmisi.20.2.57-63

Abstract

Spektrum frekuensi pada jaringan komunikasi nirkabel bersifat terbatas. Oleh karena itu diperlukan solusi dalam mengoptimalkan penggunaan spektrum frekuensi, salah satunya adalah dengan penggunaan jaringan radio kognitif. Spektrum pada jaringan radio kognitif bersifat heterogen, yaitu terdiri dari Primary User (PU) dan Secondary User (SU). Pada jaringan radio kognitif, SU dapat menggunakan kanal yang sama dengan PU selama SU tidak menyebabkan interferensi yang dapat menurunkan unjuk kerja dari PU. Salah satu metode yang dapat digunakan untuk meminimalkan interferensi adalah dengan metode pemilihan kanal menggunakan pendekatan game theory. Dengan metode ini, interferensi SU terhadap PU dapat diminimalkan. Pada penelitian ini, dianalisis kinerja dari metode pemilihan kanal menggunakan pendekatan game theory. Unjuk kerja jaringan radio kogntif dapat ditingkatkan dengan dengan menggunakan pemilihan kanal dengan pendekatan game theory. Pada jaringan radio kognitif tanpa keberadaan PU, nilai throughput tanpa pendekatan game theory PU sebesar 20,28 bps sedangkan dengan pendekatan game theory sebesar 23,58 bps. Nilai rata-rata SIR tanpa pendekatan game theory sebesar 18,08 dB sedangkan dengan pendekatan game theory sebesar 21,4 dB.
PENGARUH SUBTITUSI TEPUNG UBI UNGU (IPOMOEA BATATAS) DAN PENAMBAHAN PUREE BUAH NAGA (HYLOCEREUS POLYRHIZUS) TERHADAP SIFAT ORGANOLEPTIK KUE GAPIT AMALIA, NORMA
Jurnal Tata Boga Vol 8, No 3 (2019)
Publisher : Jurnal Tata Boga

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kue gapit adalah kue tradisional yang berasal dari Cirebon Jawa Barat. Nama gapit diambil dari proses pencetakan yakni adonan yang sudah jadi digapit oleh dua lempeng besi di atas pembakaran dan memiliki bentuk bermacam-macam seperti kipas, persegi, kotak dan juga ada yang digulung. Kue gapit terbuat dari tepung beras, telur, gula pasir, garam dan santan (bogasari). Kue gapit memiliki tekstur, kering, renyah (crispy), dan sifatnya tahan lama serta mempunyai ciri khas rasa yang gurih, renyah, dan manis. Penelitian ini bertujuan untuk mengetahui pengaruh subtitusi tepung ubi ungu dan penambahan puree buah naga merah terhadap sifat organoleptik kue gapit yang meliputi motif, warna, aroma, rasa, kerenyahan, tingkat kesukaan serta mengetahui kandungan gizi yang meliputi karbohidrat, protein, lemak, serat, antosianin, betakaroten dalam kue gapit terbaik dari uji organoleptik. Jenis penelitian ini mengunakan jenis penelitian eksperimen dengan desain penelitian dua faktor. Pengumpulan data dengan mengunakan cara observasi oleh 50 orang panelis. Analisis data yang digunakan adalah dengan metode analisis two way anava dan uji lanjut Duncan. Produk terbaik selanjutnya dilakukan uji kimia. Hasil penelitian ini menunjukkan bahwa : 1) subtitusi tepung ubi ungu ada pengaruh nyata terhadap warna dan aroma kue gapit, tetapi tidak ada pengaruh nyata terhadap motif, rasa, kerenyahan, dan tingkat kesuksaan kue gapit. 2) penambahan puree buah naga merah ada pengaruh nyata terhadap motif, warna, rasa, kerenyahan, tingkat kesukaaan kue gapit, tetapi tidak berpengaruh nyata terhadap aroma kue gapit. 3) interaksi antara subtitusi tepung ubi ungu dan penambahan puree buah naga merah hanya ada pengaruh terhadap motif kue gapit. 4) Kue gapit yang terbaik yaitu kue gapit dengan subtitusi tepung ubi ungu sebesar 60% dan penambahan puree buah naga merah sebesar 70%. Kandungan gizi kue gapit per 100 gram produk kue gapit mengandung karbohidrat 73,60%; protein 11,50%; lemak 8,11%; serat 5,10%; antosianin 38,60 mg/100g; betakaroten 58,65 mg/100g. Kata Kunci : kue gapit, tepung ubi ungu, puree buah naga
Link Budget Simulation and Analysis for Cambium Radio in Telkomsat Radio IP Service Warnadi, Marchellius Fernando; Aliim, Muhammad Syaiful; Amalia, Norma
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol. 11 No. 2 (2024): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v11i2.8974

Abstract

The Final Project examines link budget calculations for Cambium brand radio devices using Link Planner to support Telkomsat’s transition from partner-managed to self-managed Radio IP services. A successful transition requires proper planning, including identifying equivalent radio devices and conducting link budget analysis. The process involves determining transmission distance, antenna height, and selecting suitable devices. Key parameters in the link budget calculation include Freznel Zone Clearance (FZC), Free Space Loss (FSL), Effective Isotropic Radiated Power (EIRP), Received Signal Level (RSL), System Operating Margin (SOM), Availibility (%), and Bandwidth (Mbps). Among 31 customers, 100% met standart EIRP values, 87% had good RSL, and 13% were very good. Additionally, 94% met SOM standards, while 6% fell into the poor category. Based on these result, it can be concluded that this research was successful, as the obtained result align with the established standards.
Predictive Modeling of Microstrip Antenna Slot Dimensions Using Random Forest Regression Yusuf, Aisya Nur Aulia; Nurdiniyah, Elsa Sari Hayunah; Amalia, Norma
Elkom: Jurnal Elektronika dan Komputer Vol. 18 No. 1 (2025): Juli : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v18i1.2915

Abstract

This study presents a machine learning approach for predicting the dimensions of microstrip antenna slots based on antenna performance parameters such as frequency, gain, directivity, return loss (S11), radiation efficiency, and VSWR. A two-phase methodology was employed. In the first phase, ten regression algorithms were evaluated, and Random Forest was identified as the most effective model based on Mean Absolute Error (MAE) and R-squared (R²) scores. In the second phase, hyperparameter tuning was conducted using Grid Search to further improve the model’s performance. The optimized Random Forest model demonstrated consistent improvements in predictive accuracy, with R² values increasing across all output variables. These results indicate that the combination of regression-based modeling and systematic hyperparameter tuning is effective for capturing complex relationships in antenna design tasks. The proposed approach offers a promising data-driven alternative for geometric prediction in microstrip antenna development, particularly when analytical models are insufficient.
Risk Analysis of Information Security in Balikpapan International Airport Service Desk Plus (SDP) Using The Octave Allegro Method Indrayani, Novi; Amalia, Norma
Journal of Computer Networks, Architecture and High Performance Computing Vol. 5 No. 2 (2023): Article Research Volume 5 Issue 2, July 2023
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/cnahpc.v5i2.2524

Abstract

Indonesia, as a developing country, is not exempt from the advancements in information and communication technology. However, these advancements in information and communication technology can bring negative impacts, such as an increasing threat of misuse. SDP (Service Desk Plus) is a system that serves as a management tool for IT services, facilitating employees from various departments in requesting services and reporting ICT (Information Communication Technology) incidents. SDP has faced challenges or obstacles that have hindered its optimal use, such as IT services experiencing downtime, inaccessible ICT services, and SDP users frequently sharing usernames and passwords. Based on these threats, it is necessary to conduct a further analysis of information security risks regarding the security of implementing SDP centrally using the OCTAVE Allegro method. OCTAVE Allegro is a framework that utilizes the OCTAVE approach with a primary focus on information assets, designed to provide faster results without requiring in-depth knowledge of risk assessment. The results of this research identified three risks that can be mitigated, namely user data password errors with a relative risk score of 27, internet downtime with a relative risk score of 31, and file intrusion with a relative risk score of 38, considering the likelihood of threats occurring. Additionally, there is one accepted risk, which is the input error of incident data, with a relative risk score of 19.
Co-Authors Ade Wahyudin, Ade Hindami, Ifaz Fachrul Indrayani, Novi Muhammad Syaiful Aliim Muntaqo Alfin Amanaf Nurdiniyah, Elsa Sari Hayunah Warnadi, Marchellius Fernando Widyana Paramitha, Widyana Yusuf, Aisya Nur Aulia