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All Journal Andalas Journal of Electrical and Electronic Engineering Technology
Zurnawita
Politeknik Negeri Padang
Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering

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Evaluation of 5G NR NSA Deployment on FR1 (Sub-6 GHz) in Bukittinggi Sri Yusnita; Siska Aulia; Dikky Chandra; Zurnawita; Miro Dhino Laskar Ashanto
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 6 No. 1 (2026): May 2026
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v6i1.199

Abstract

This study evaluates the deployment of 5G New Radio (NR) Non-Standalone (NSA) operating on Frequency Range 1 (FR1) Sub-6 GHz in Bukittinggi, Indonesia. Field measurements were conducted using drive test methods to assess key performance indicators, including RSRP, RSRQ, SINR, and throughput. The results show that all measured RSRP values exceed –95 dBm, indicating good signal coverage across the test area. Approximately 71% of SINR samples are above 0 dB and 80% of RSRQ values exceed –17 dB, reflecting relatively stable channel conditions. However, 77% of throughput measurements remain below 10 Mbps, suggesting that achievable data rates remain moderate despite good signal quality. The analysis indicates that SINR has a stronger impact on throughput compared to RSRP and RSRQ. Although 5G NR NSA demonstrates superior signal quality compared to LTE, 4G LTE achieves higher data speeds at the measurement location. These findings highlight the influence of NSA architecture, bandwidth limitations in FR1 Sub-6 GHz, and network optimization factors on overall 5G performance.
Co-Authors Dikky Chandra Miro Dhino Laskar Ashanto Siska Aulia Sri Yusnita