Cellular uplink bandwidth prediction based on radio measurements

Imane Oussakel 1 Philippe Owezarski 1 Pascal Berthou 1
1 LAAS-SARA - Équipe Services et Architectures pour Réseaux Avancés
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : In 4G networks, the emergence of machine communications such as connected vehicles increases the high demand of uplink transmissions, thus, degrading the quality of service per user equipment. Enforcing quality-of-service in such cellular network is challenging, as radio phenomenon, as well as user (and their devices) mobility and dynamics, are uncontrolled. To solve this issue, estimating what the quality of transmissions will be in a short future for a connected user is essential. For that purpose, we argue that radio metrics are key features whose evolutions can help predicting the bandwidth that the considered connections can take advantage of in the following hundreds of milliseconds. The paper then describes how a 4G testbed has been deployed in order to study the correlation between radio noise and throughput in uplink transmissions. Based on radio measurements, the main supervised machine learning algorithms are used, such as Random Forest and Support Vector Machine to predict the uplink received bandwidth. For a specific user service, we are able to predict the end-to-end received bandwidth, i.e. the amount of received data on the server side during a specific period at a very low scale of 100 ms. Results also prove that uplink bandwidth predictions are less accurate compared to bandwidth prediction for downlink based on radio measurements.
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https://hal.laas.fr/hal-02315083
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Submitted on : Monday, October 14, 2019 - 11:24:51 AM
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  • HAL Id : hal-02315083, version 1

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Imane Oussakel, Philippe Owezarski, Pascal Berthou. Cellular uplink bandwidth prediction based on radio measurements. MobiWAC 2019, Nov 2019, Miami beach, United States. ⟨hal-02315083⟩

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