Federated Learning based Base Station Selection using LiDAR
Base station (BS) selection is important in establishing reliable communication links in millimeter-wave (mmWave) systems. The selection procedure typically requires each BS […]
Secure mmWave MIMO Networks Employing Hybrid Active-Passive RIS
By combining the benefits of passive reflecting and active relay, the hybrid active-passive reconfigurable intelligent surfaces (RIS) (HRIS) architecture can overcome the […]
Localization in Reconfigurable Intelligent Surface Aided mmWave Systems: A Multiple Measurement Vector Based Channel Estimation Method
The sparsity of millimeter wave (mmWave) channels in the angular and temporal domains is beneficial to channel estimation, while the associated channel […]
5G New Radio Compliant IQI Compensation
The 5G New Radio (NR) standard allows for the utilization of mmWave band to achieve multi-Gbps throughput and low latency. However, radio […]
Deep Unfolding-Enabled Hybrid Beamforming Design for mmWave Massive MIMO Systems
Hybrid beamforming (HBF) is a key enabler for millimeter-wave (mmWave) communications systems, but HBF optimizations are often non-convex and of large dimension. […]
Learning-Based Beam Alignment for Uplink mmWave UAVs
Unmanned aerial vehicles (UAVs) are the emerging vital components of millimeter wave (mmWave) wireless systems. Accurate beam alignment is essential for efficient […]
DQN-based Beamforming for Uplink mmWave Cellular-Connected UAVs
Unmanned aerial vehicles (UAVs) are the emerging vital components of millimeter wave (mmWave) wireless systems. Accurate beam alignment is essential for efficient […]
Deep Contextual Bandits for Fast Neighbor-Aided Initial Access in mmWave Cell-Free Networks
Access points (APs) in millimeter-wave (mmWave) user-centric (UC) networks will have sleep mode functionality. Initial access (IA) is a challenging problem in […]
Ka-Band Stacked Power Amplifier Supporting 3GPP New Radio FR2 Band n258 Implemented Using 45 nm CMOS SOI
This paper presents a fully integrated, four-stack, single-ended, single stage power amplifier (PA) for millimeter-wave (mmWave) wireless applications that was fabricated and […]
The Effect of Drop Shape, Sensing Volume and Raindrop Size Statistics to the Scattered Field on 300 GHz
Scattering and attenuation properties of rain using various drop models are calculated using Mie theory, the T-matrix method and numerical technique respectively. […]