Search Results for author: Ursula Challita

Found 10 papers, 0 papers with code

Deep Reinforcement Learning for Dynamic Spectrum Sharing of LTE and NR

no code implementations22 Feb 2021 Ursula Challita, David Sandberg

Simulation results show that the proposed scheme is able to take actions while accounting for future states instead of being greedy in each subframe.

reinforcement-learning Reinforcement Learning (RL)

QoE Optimization for Live Video Streaming in UAV-to-UAV Communications via Deep Reinforcement Learning

no code implementations21 Feb 2021 Liyana Adilla binti Burhanuddin, Xiaonan Liu, Yansha Deng, Ursula Challita, Andras Zahemszky

In this paper, we co-design the video resolution, the movement, and the power control of UAV-BS and UAV-UEs to maximize the Quality of Experience (QoE) of real-time video streaming.

Noise Learning Based Denoising Autoencoder

no code implementations20 Jan 2021 Woong-Hee Lee, Mustafa Ozger, Ursula Challita, Ki Won Sung

This letter introduces a new denoiser that modifies the structure of denoising autoencoder (DAE), namely noise learning based DAE (nlDAE).

Denoising

When Machine Learning Meets Wireless Cellular Networks: Deployment, Challenges, and Applications

no code implementations8 Nov 2019 Ursula Challita, Henrik A. Ryden, Hugo Tullberg

Artificial intelligence (AI) powered wireless networks promise to revolutionize the conventional operation and structure of current networks from network design to infrastructure management, cost reduction, and user performance improvement.

BIG-bench Machine Learning Management

Robust Deep Reinforcement Learning for Security and Safety in Autonomous Vehicle Systems

no code implementations2 May 2018 Aidin Ferdowsi, Ursula Challita, Walid Saad, Narayan B. Mandayam

To this end, in this paper, the state estimation process for monitoring AV dynamics, in presence of CP attacks, is analyzed and a novel adversarial deep reinforcement learning (RL) algorithm is proposed to maximize the robustness of AV dynamics control to CP attacks.

Autonomous Vehicles reinforcement-learning +1

Machine Learning for Wireless Connectivity and Security of Cellular-Connected UAVs

no code implementations15 Apr 2018 Ursula Challita, Aidin Ferdowsi, Mingzhe Chen, Walid Saad

Cellular-connected unmanned aerial vehicles (UAVs) will inevitably be integrated into future cellular networks as new aerial mobile users.

BIG-bench Machine Learning Management

Cellular-Connected UAVs over 5G: Deep Reinforcement Learning for Interference Management

no code implementations16 Jan 2018 Ursula Challita, Walid Saad, Christian Bettstetter

The results also show that the optimal altitude of the UAVs varies based on the ground network density and the UE data rate requirements and plays a vital role in minimizing the interference level on the ground UEs as well as the wireless transmission delay of the UAV.

Management reinforcement-learning +1

Deep Learning for Reliable Mobile Edge Analytics in Intelligent Transportation Systems

no code implementations12 Dec 2017 Aidin Ferdowsi, Ursula Challita, Walid Saad

However, realizing the true potential of ITSs requires ultra-low latency and reliable data analytics solutions that can combine, in real-time, a heterogeneous mix of data stemming from the ITS network and its environment.

Edge-computing

Artificial Neural Networks-Based Machine Learning for Wireless Networks: A Tutorial

no code implementations9 Oct 2017 Mingzhe Chen, Ursula Challita, Walid Saad, Changchuan Yin, Mérouane Debbah

Next-generation wireless networks must support ultra-reliable, low-latency communication and intelligently manage a massive number of Internet of Things (IoT) devices in real-time, within a highly dynamic environment.

BIG-bench Machine Learning

Proactive Resource Management for LTE in Unlicensed Spectrum: A Deep Learning Perspective

no code implementations22 Feb 2017 Ursula Challita, Li Dong, Walid Saad

LTE in unlicensed spectrum using licensed assisted access LTE (LTE-LAA) is a promising approach to overcome the wireless spectrum scarcity.

Fairness Management

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