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arXiv · 2307.12417

UplinkNet: Practical Commercial 5G Standalone (SA) Uplink Throughput Prediction

Kasidis Arunruangsirilert·Jiro Katto
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Abstract

While 5G New Radio (NR) networks offer significant uplink throughput improvements, these gains are primarily realized when User Equipment (UE) connects to high-frequency millimeter wave (mmWave) bands. The growing demand for uplink-intensive applications, such as real-time UHD 4K/8K video streaming and Virtual Reality (VR)/Augmented Reality (AR) content, highlights the need for accurate uplink throughput prediction to optimize user Quality of Experience (QoE). In this paper, we introduce UplinkNet, a compact neural network designed to predict future uplink throughput using past throughput and RF parameters available through the Android API. With a model size limited to approximately 4,000 parameters, UplinkNet is suitable for IoT and low-power devices. The network was trained on real-world drive test data from commercial 5G Standalone (SA) networks in Tokyo, Japan, and Bangkok, Thailand, across various mobility conditions. To ensure practical implementation, the model uses only Android API data and was evaluated on unseen data against other models. Results show that UplinkNet achieves an average prediction accuracy of 98.9% and an RMSE of 5.22 Mbps, outperforming all other models while maintaining a compact size and low computational cost.

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BibTeXRIS

Kasidis Arunruangsirilert, Jiro Katto. 2023-07-23. UplinkNet: Practical Commercial 5G Standalone (SA) Uplink Throughput Prediction. https://doi.org/10.1109/vcip63160.2024.10849914

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