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All Journal Jurnal Teknik Elektro Electrician : Jurnal Rekayasa dan Teknologi Elektro
Hasim, Sitronella Nurfitriani
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Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Relay-Based Clustering Method for Interference Management in Heterogeneous Wireless Cellular Network Susanto, Misfa; Hasim, Sitronella Nurfitriani; Fitriawan, Helmy
Jurnal Teknik Elektro Vol 13, No 2 (2021): Jurnal Teknik Elektro
Publisher : Jurusan Teknik Elektro, Fakultas Teknik, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jte.v13i2.33210

Abstract

Femtocell is one of solutions to improve quality of services and network capacity for users in indoor areas. Radio resources used by femtocells are shared from macrocell network, thus it saves the use of frequency spectrum. However, one of problems in deploying femtocells within coverage area of macrocells is interference due to radio resources sharing between femtocells and macrocells. It creates interferences called as cross-tier (macrocell-femtocell/femtocell-macrocell) and co-tier (macrocell-macrocell/femtocell-femtocell) interferences. This paper proposes a relay-based clustering method to mitigate interference in femtocells located in the whole edge area of macrocell and the cell edge area of sectorized macrocells. Relay nodes are deployed statically (fixed location) in the neighboring macrocell area. Relay node will recruit their members based on the shortest distance. Certain relay node’s members do not need to transmit large amounts of power to enhanced Node B (eNB), such that interference from Macrocell User Equipment (MUE) to Home enhanced Node B (HeNB) can be minimized. Simulation experiments has been carried out and optimistic results for the sectorized macrocells scenario show that Signal-to-Interference-plus-Noise-Ratio (SINR) of femtocells for the conventional system that does not reach the targeted SINR of 20 dB is 87%. Meanwhile, after applying the relay-based clustering method, SINR value of femtocells below or equal to 20 dB reaches 72%. Optimistic results for throughput and Bit Error Rate (BER) show improvement of 15% and 14%, respectively. It has been shown that the relay-based clustering method can provide better performance compared to the conventional system even for femtocells densely deployed.
Analisis Quality of Service dengan Metode Peer Connection Queue untuk Management Bandwidht pada Jaringan Point to Point Protocol Over Ethernet Hasim, Sitronella Nurfitriani; Misfa Susanto
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 1 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n1.2777

Abstract

Evaluasi Mutual Coupling pada Antena Vivaldi Antipodal untuk Aplikasi Ground Penetrating Radar (GPR) Novalia Pertiwi; Candra, Rifqi Dwi; Ardilla, Septiya; Ramadhan, muhammad; Hasim, sitronella Nurfitriani; Nurcahyo, Aji Pamungkas Tri; Pinangkis, Anggrit Dewangkara Yudha; Hikmatullah, Muhammad Rizky; Nurhayati, Nurhayati
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 2 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n2.2818

Abstract

Co-Authors Ardilla, Septiya Candra, Rifqi Dwi Helmy Fitriawan Hikmatullah, Muhammad Rizky Misfa Susanto Muhammad Ramadhan Novalia Pertiwi Nurcahyo, Aji Pamungkas Tri Nurhayati Nurhayati Pinangkis, Anggrit Dewangkara Yudha