Calibration of 5G Millimeter-Wave Active Antenna Array Platform With Search-Based Optimization Method
Array calibration becomes challenging when not only the main lobe gain but also the side lobes become important for interference mitigation from […]
Joint Beamforming Design and Bit Allocation in Massive MIMO with Resolution-Adaptive ADCs
Low-resolution analog-to-digital converters (ADCs) have emerged as a promising technology for reducing power consumption and complexity in massive multiple-input multiple-output (MIMO) systems […]
Model-Based Machine Learning for Max-Min Fairness Beamforming Design in JCAS Systems
Joint communications and sensing (JCAS) is expected to be a crucial technology for future wireless systems. This paper investigates beamforming design for […]
Waveform Optimization and Beam Focusing for Near-field Wireless Power Transfer with Dynamic Metasurface Antennas and Non-linear Energy Harvesters
Radio frequency (RF) wireless power transfer (WPT) is a promising technology for future wireless systems. However, the low power transfer efficiency (PTE) […]
Evaluating the Beamforming Impact on Channel Dispersion Characterization Using Multiscenario Sub-THz Channel Measurements
To provide substantially high capacity, future 6G networks will be able to operate in higher frequency bands than current 5G networks. However, […]
Beamforming Design for Integrated Sensing, Computation Over-the-Air, and Communication in Internet of Robotic Things
The integration of communication and radar systems could enhance the robustness of future communication systems to support advanced application demands, e.g., target […]
Terahertz Communications and Sensing for 6G and Beyond: A Comprehensive Review
Next-generation cellular technologies, commonly referred to as the sixth generation (6G), are envisioned to support a higher system capacity, better performance, and […]
Fairness Enhancement of UAV Systems with Hybrid Active-Passive RIS
We consider unmanned aerial vehicle (UAV)-enabled wireless systems where downlink communications between a multi-antenna UAV and multiple users are assisted by a […]
A Wideband IF Receiver Chip for Flexibly Scalable mmWave Subarray Combining and Interference Rejection
Large-scale multibeam phased array systems suffer from interbeam interference (IBI) that should be canceled either in the analog or digital domain. In […]
Latency-Aware Multi-Antenna SWIPT System With Battery-Constrained Receivers
Power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) is considered in a multi-user multiple-input-single-output broadcast scenario. Specifically, we focus […]