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All Journal Jurnal Teknologi Informatika dan Komputer eProceedings of Engineering
Aditya Nugroho, Rizky
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Analisa Perancangan Optimasi Wireless Access Point pada Gedung Kuliah Umum Universitas Telkom Berdasarkan Metodologi Ndlc (Network Development Life Cycle) Aditya Nugroho, Rizky; Kurnia Septo Hediyanto, Umar Yunan; Fathinuddin, Muhammad
eProceedings of Engineering Vol. 10 No. 5 (2023): Oktober 2023
Publisher : eProceedings of Engineering

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Abstract

Abstrak—Jaringan nirkabel telah menjadi komponen penting dalam komunikasi modern, terutama di ruang publik yang padat seperti ruang kuliah di perguruan tinggi. Tesis ini menginvestigasi kondisi jaringan nirkabel yang ada di fasilitas kuliah umum bertingkat di Telkom University, universitas teknologi terkemuka di Indonesia. Dengan menggunakan pendekatan Network Development Life Cycle (NDLC), penelitian ini menginvestigasi pengaturan jaringan nirkabel saat ini di gedung tersebut dan mengusulkan peningkatan desain jaringan, terutama dalam rencana saluran dan pengaturan daya pancar. Penelitian ini berfokus pada tiga tahap pertama dari NDLC: analisis, desain, dan pembuatan prototipe simulasi. Penelitian ini mengungkap kekurangan dalam konfigurasi jaringan nirkabel saat ini, terutama pada pola denah saluran dan daya pancar yang terlalu tinggi, yang menyebabkan sinyal hilang dan gangguan antar lantai. Namun, karena keterbatasan geografis bangunan, para peneliti tidak dapat membuat desain jaringan yang optimal. Untuk mengatasi masalah ini, penelitian ini menyarankan sejumlah optimasi, termasuk pemasangan isolasi fisik dan ide untuk mematikan kemampuan 2,4 GHz di titik akses tertentu. Penelitian ini menekankan relevansi perencanaan saluran, daya pancar, dan pendekatan NDLC dalam mencapai kinerja jaringan nirkabel yang efisien dan efektif, bahkan dengan adanya kendala fisik.Kata kunci—Channel Plan, NDLC, Daya Pancar
East Java Inflation Prediction Based on Exchange Rates and International Trade Using the ARIMAX Approach Zahrotun, Nafisah; Aditya Nugroho, Rizky; Andhyka, Awang
Jurnal Teknologi Informatika dan Komputer Vol. 12 No. 1 (2026): Jurnal Teknologi Informatika dan Komputer
Publisher : Universitas Mohammad Husni Thamrin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37012/jtik.v12i1.3287

Abstract

East Java's macroeconomic stability is vulnerable to external shocks, particularly imported inflation, which impacts domestic price formation. This study aims to develop an inflation forecasting model using the AutoRegressive Integrated Moving Average with Exogenous Variables (ARIMAX) approach as an Early Warning System instrument for regional policymakers. This study uses monthly time series data for the 2015–2024 period. Exogenous variable selection was conducted through the Granger Causality Test, which showed that only import volume had a significant effect on inflation, while exchange rates and exports were insignificant. The estimation results show that the ARIMAX(1,0,1) model is the best model with a forecasting accuracy level based on the Mean Absolute Percentage Error (MAPE) value of 10.40%, which is categorized as good. East Java's inflation projection for the 2025–2029 period shows an increasing trend from 1.99% to 3.28%, indicating the need for vigilance for policymakers in strengthening import supply chain management to mitigate the risk of future price pressures. Based on the theoretical and empirical review, this study hypothesizes that the exchange rate and international trade indicators have a significant predictive relationship with the inflation rate in East Java Province. This study aims to develop an inflation forecasting model for East Java using the ARIMAX approach, considering the exchange rate and international trade variables as candidate exogenous variables.
Co-Authors Awang Andhyka Muhammad Fathinuddin Umar Yunan Kurnia Septo Hediyanto Zahrotun, Nafisah