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All Journal Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) Electron: Jurnal Ilmiah Teknik Elektro Majalah Ilmiah Teknologi Elektro Majalah Ilmiah Teknologi Elektro
Ngurah Indra ER
Department Of Electrical Engineering, Udayana University
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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SOFT AND SOFTER HANDOVER PERFORMANCE OF CDMA Lina wati; Ngurah Indra Erawan; Eka Yayuk Fransiska Simak
Jurnal Teknologi Elektro Vol 9, No 2 (2010): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

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

Abstract

One of telecommunication providers in Indonesia applies CDMA2000 1x technology. The technology hasmany advantages such as larger channel capacity of BTS (Base Transceiver Station). On the other hand, thecapacity depends on user’s density. Therefore to guarantee voice connection when user or mobile station (MS) isalways moving from one cell to others, handover technique is needed. However the technique can be failed for manyreasons. Therefore impact of call attempt on softer and soft handover performance is investigated. Hence the paperexamined soft – softer handover performance of CDMA in BTS (Base Transceiver Station), BSC, and Sectors inboth sub-urban and rural areas in Denpasar, Bali with area code of 0361.The research has been done in rural and suburban area with call area code ‘0361’. The analyses includedregression and simple linear correlation applications. The results showed that number of call attempts affected thefailure of soft and softer handover technique dominantly. Generally, average level of success both handover in bothrural and suburban area were about 99% which are above KPI (Key Performance Indicator) reference at 98.50%.However in rural area, other factors such as blocking called attempt and error called number have caused the softerhandover failure.
QoS Analysis of Implementation Elastic WLAN Mechanism for Adaptive Bandwidth Management Systems in Smart Buildings Sukadarmika, Gede; Indra ER, Ngurah; Yoga, I Putu Sudharma; Linawati; Budiastra, IN
Jurnal Nasional Pendidikan Teknik Informatika : JANAPATI Vol. 13 No. 2 (2024)
Publisher : Prodi Pendidikan Teknik Informatika Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/janapati.v13i2.83215

Abstract

The rapid growth of the Internet of Things technology has led to various innovative creations, However, effective management of data traffic generated by numerous sensors is essential to maintain network performance. This study develops and evaluates an adaptive Bandwidth Management System using Elastic WLAN to deal with the development of IoT system traffic so that network performance is maintained. Using Raspberry Pi as an Elastic WLAN device and a Hierarchical Token Bucket (HTB) running via Python script, this system manages Bandwidth allocation based on the number of visitors in the Smart Building. Evaluation was carried out in two rooms, comparing conditions before and after Elastic WLAN implementation. The results show that the implementation of Elastic WLAN improves network performance. This is indicated by improvements in the stability of upload and download rates, as well as very significant improvements in the Jitter and Latency parameters which are used as QoS parameters.
Tinjauan Literatur: Deteksi Anomali Berbasis Analisis Waktu pada CAN Bus Kendaraan Listrik Setiawan, Putu Ayu Citra; Giriantari, Ida Ayu Dwi; ER, Ngurah Indra
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 6 No 1: Jurnal Electron, Mei 2025
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v6i1.282

Abstract

The development of modern automotive technology emphasizes the importance of vehicle connectivity and autonomy, with the aim of enhancing safety and comfort. Due to its role in managing critical vehicle functions and its vulnerability to security threats, the automotive industry has developed two primary approaches to address CAN Bus security. Therefore, the automotive industry has developed two main approaches to address this security issue. First, passive defense through security protocols that include encryption, authentication, and message verification, and second, anomaly detection using advanced technologies. Several anomaly detection methods have been introduced, including K-Means clustering, Support Vector Machines, and Deep Learning, each offering advantages in detecting specific attack patterns. However, one increasingly popular approach is time analysis, which leverages message inter-arrival patterns and clock skew on the CAN Bus to identify suspicious behavior and detect anomalies in real-time. Although this method has shown effectiveness in detecting various types of attacks, the main challenge lies in its ability to identify highly concealed attacks that may not be visible to traditional methods. This research provides an understanding of various anomaly detection approaches on electric vehicle CAN Bus networks, with a primary focus on time analysis. By reviewing several approaches, this study offers valuable insights into improving the security of electric vehicles and the overall smart transportation ecosystem. The results show that time-based analysis methods can detect various types of attacks, such as spoofing, replay attacks, and denial-of-service, with high efficiency.
Evaluasi Implementasi Komponen Smart City di Bali : Literature Review Pramudya, Lintang; Indra ER, Ngurah
Majalah Ilmiah Teknologi Elektro Vol 24 No 1 (2025): ( Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i01.P02

Abstract

A smart city is a concept that integrates information and communication technology to improve the efficiency of public services, the quality of life of citizens and environmental sustainability. Bali, as one of the largest tourism centers in Indonesia, has started implementing the smart city concept to support economic development and overcome the challenges of urbanization. This research aims to evaluate the implementation of smart cities in Bali through a literature review approach, focusing on six main components of smart cities. Analysis was carried out on various national and international studies and reports related to smart city implementation in Bali, especially in the Denpasar and Badung areas to identify the stages of development and implementation of each component. The main focus is to examine how technology has been applied in the public service, transportation, security and tourism sectors, as well as the challenges faced in implementing this technology. The evaluation results show that the implementation of the smart city concept in Bali still faces several challenges, including limited technological infrastructure and low community digital literacy. This research provides recommendations for increasing the effectiveness and maturity of smart city implementation in the future. It is hoped that the results of this research can become a reference for the government and stakeholders in planning a more integrated and sustainable smart city development strategy in Bali.
Pertanian Vertikal Pintar: Peran IoT dalam Mewujudkan Keberlanjutan dan Efisiensi Sumber Daya Setiawan, Putu Ayu Citra; Indra ER, Ngurah; Sukadarmika, Gede
Majalah Ilmiah Teknologi Elektro Vol 24 No 1 (2025): ( Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i01.P03

Abstract

The rapid growth of population and urbanization poses significant challenges to global food security, particularly in urban areas. The conversion of agricultural land into residential and infrastructure zones reduces local food production capacity, while climate change exacerbates uncertainties in crop yields. To address these challenges, IoT-based vertical farming has emerged as an innovative solution to enhance efficiency and sustainability in food production systems. IoT technology enables vertical farming systems to monitor and control environmental variables such as temperature, humidity, lighting, and nutrient levels in real-time through sensors connected to artificial intelligence. The collected data is analyzed to optimize plant growth, minimize resource waste, and maximize crop yields while reducing energy consumption. Additionally, integrating IoT with automated irrigation systems and energy-efficient LED lighting further enhances water and electricity efficiency. From a sustainability perspective, IoT-based vertical farming allows for year-round food production without relying on vast land areas or favorable weather conditions.  This research further explores how IoT contributes to improving resource efficiency, environmental sustainability, and the economic and social impacts of vertical farming. . Based on the research findings, the implementation of IoT in vertical farming has proven to be highly beneficial in enhancing sustainability and resource efficiency in urban food production.  Through real-time monitoring and automated control systems, IoT enables precise regulation of key environmental factors such as temperature, humidity, lighting, and nutrient levels, ensuring optimal plant growth with minimal resource wastage.
Pemanfaatan Simulasi Jarnigan Komunikasi Vehicle-to-Everything (V2X) untuk Sistem Transportasi Cerdas: Literature Review Saraswati, Ni Putu Amanda; Indra ER, Ngurah; Kumara, I Nyoman Satya
Majalah Ilmiah Teknologi Elektro Vol 24 No 1 (2025): ( Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i01.P04

Abstract

The increasing number of vehicles has led to several complex challenges, such as traffic congestion, air pollution, and safety driving issues. These challenges also result in economic losses. Fortunately, with the advance in technologies today, we can utilize Intelligent Transportation Systems (ITS) to establish a system that is more efficient, safer, and environmentally friendly. Specifically, the concept of Vehicle-to-Everything (V2X) has emerged as a potential solution to address various road-related challenges. However, the real-world implementation of V2X still faces numerous obstacles, particularly in terms of cost and safety concerns. Deploying V2X on a large scale requires significant investments due to the need for communication infrastructure and hardware development. Therefore, simulation can serve as an initial solution to tackle these challenges. Simulations make it possible to set up different communication network protocols and architectures and to model different traffic conditions without the risks that come with testing in the real world. In this review paper, we aim to give a clearer insight into the trends, challenges, and opportunities of V2X simulations in various traffic environments.
Co-Authors Adi Wiranata, K. N. Amanda Saraswati, Ni Putu Andika Pranata, I Kadek Anugrah Br. Ginting, Putri Binti Dona, Sufiana Budiastra, IN Dewa Made Mahendra Yudha Dewa Made Wiharta Diafari, G A K Dipta, I Made Yogaswara Eka Yayuk Fransiska Simak Fajar Purnama Gede Krisna Andika Putra Gede Sukadarmika I Dewa Gede Aditya Pemayun I G. A. K. Diafari Djuni Hartawan I Gusti Agung Putu Raka Agung, I Gusti Agung Putu I Gusti Ngurah Arya Tri Andhika I Made Oka Widyantara I Made Yogaswara Dipta I Md. Anggar Dwi A, I Md. Anggar Dwi A I N Satya Kumara I.W. Aryadi Ida Ayu Dwi Giriantari IGB Alit Putra Wijaya IGM.W.S. Handdy IGP. Agus Aries Pratama IGst Ngr PT. Adi S.P. K.T. Efendi L.D. Purnamasari Lina wati Linawati linawati linawati Linawati Linawati Maisha Putra, I Gusti Agung Ngurah Melky Sedek Hosea Halim Muhammad Audy Bazly N.M.E.P. Astiti Ni Made Ary Esta Dewi Wirastuti Nurul Salsabila Wardhani Nyoman Pramaita Nyoman Wendy Saputra Oktafiana Susanti, Baiq Dwinda Pande Ketut Sudiarta Pande Mastra Sedana Pande Putu Wahyu Pramanda Paramitha Sekar Putri A.P., Ni Made Permata Sari, Indah Ayu Pramudya, Lintang R.S.E.C. Nesa Rendi Gustina Setiawan, Putu Ayu Citra Vina Yuliani, Ni Putu W. Setiawan Widyadi Setiawan Yansen Andriyanto Yoga, I Putu Sudharma