784 citations · 1.8k across the 14 of their papers we have counts for
15 papers
Deep Reinforcement Learning-based Cell DTX/DRX Configuration for Network Energy Saving
Wei Mao, Lili Wei, Omid Semiari +2
3GPP Release 18 cell discontinuous transmission and reception (cell DTX/DRX) is an important new network energy saving feature for 5G. As a time-domain technique, it periodically a…
Graph Reinforcement Learning for QoS-Aware Load Balancing in Open Radio Access Networks
Omid Semiari, Hosein Nikopour, Shilpa Talwar
Next-generation wireless cellular networks are expected to provide unparalleled Quality-of-Service (QoS) for emerging wireless applications, necessitating strict performance guaran…
Enhancing O-RAN Security: Evasion Attacks and Robust Defenses for Graph Reinforcement Learning-based Connection Management
Ravikumar Balakrishnan, Marius Arvinte, Nageen Himayat +2
Adversarial machine learning, focused on studying various attacks and defenses on machine learning (ML) models, is rapidly gaining importance as ML is increasingly being adopted fo…
Achieving Low Latency at Low Outage: Multilevel Coding for mmWave Channels
Mine Gokce Dogan, Jaimin Shah, Martina Cardone +4
Millimeter-wave (mmWave) spectrum is expected to support data-intensive applications that require ultra-reliable low-latency communications (URLLC). However, mmWave links are highl…
Reliability-Optimized User Admission Control for URLLC Traffic: A Neural Contextual Bandit Approach
Omid Semiari, Hosein Nikopour, Shilpa Talwar
Ultra-reliable low-latency communication (URLLC) is the cornerstone for a broad range of emerging services in next-generation wireless networks. URLLC fundamentally relies on the n…
Integrated Access and Backhaul in Millimeter-Wave Cellular: Benefits and Challenges
Yekaterina Sadovaya, Dmitri Moltchanov, Wei Mao +5
The recently proposed NR-ready integrated access and backhaul (IAB) architecture promises to bring a cost-efficient deployment solution for both coverage extension and capacity boo…
Connection Management xAPP for O-RAN RIC: A Graph Neural Network and Reinforcement Learning Approach
Oner Orhan, Vasuki Narasimha Swamy, Thomas Tetzlaff +3
Connection management is an important problem for any wireless network to ensure smooth and well-balanced operation throughout. Traditional methods for connection management (speci…
6G: Connectivity in the Era of Distributed Intelligence
Shilpa Talwar, Nageen Himayat, Hosein Nikopour +3
The confluence of 5G and AI is transforming wireless networks to deliver diverse services at the Edge, driving towards a vision of pervasive distributed intelligence. Future 6G net…
Resource Management in Wireless Networks via Multi-Agent Deep Reinforcement Learning
Navid Naderializadeh, Jaroslaw Sydir, Meryem Simsek +1
We propose a mechanism for distributed resource management and interference mitigation in wireless networks using multi-agent deep reinforcement learning (RL). We equip each transm…
When Multiple Agents Learn to Schedule: A Distributed Radio Resource Management Framework
Navid Naderializadeh, Jaroslaw Sydir, Meryem Simsek +2
Interference among concurrent transmissions in a wireless network is a key factor limiting the system performance. One way to alleviate this problem is to manage the radio resource…
Massive Machine-type Communications in 5G: Physical and MAC-layer solutions
Carsten Bockelmann, Nuno Pratas, Hosein Nikopour +5
Machine-type communications (MTC) are expected to play an essential role within future 5G systems. In the FP7 project METIS, MTC has been further classified into "massive Machine-T…
SCMA for Open-Loop Joint Transmission CoMP
Usa Vilaipornsawai, Hosein Nikopour, Alireza Bayesteh +1
Sparse Code Multiple Access (SCMA), a non-orthogonal multiple access scheme, has been introduced as a key 5G technology to improve spectral efficiency. In this work, we propose SCM…
SCMA Codebook Design
Mahmoud Taherzadeh, Hosein Nikopour, Alireza Bayesteh +1
Multicarrier CDMA is a multiple access scheme in which modulated QAM symbols are spread over OFDMA tones by using a generally complex spreading sequence. Effectively, a QAM symbol…
Uplink Contention Based SCMA for 5G Radio Access
Kelvin Au, Liqing Zhang, Hosein Nikopour +5
Fifth generation (5G) wireless networks are expected to support very diverse applications and terminals. Massive connectivity with a large number of devices is an important require…
SCMA for Downlink Multiple Access of 5G Wireless Networks
Hosein Nikopour, Eric Yi, Alireza Bayesteh +4
Sparse code multiple access (SCMA) is a new frequency domain non-orthogonal multiple-access technique which can improve spectral efficiency of wireless radio access. With SCMA, dif…