Switch-Based Hybrid Beamforming Transceiver Design for Wideband Communications With Beam Squint
Hybrid beamforming (HBF) transceiver architectures based on frequency-independent phase shifters (PSs) are sensitive to phases and physical directions, resulting in limited capability […]
Joint Communications and Sensing Hybrid Beamforming Design via Deep Unfolding
Joint communications and sensing (JCAS) is envisioned as a key feature in future wireless communications networks. In massive MIMO-JCAS systems, hybrid beamforming […]
Near-Field Localization with 1-bit Quantized Hybrid A/D Reception
In this paper, we consider a hybrid Analog and Digital (A/D) receiver architecture with an extremely large Dynamic Metasurface Antenna (DMA) and […]
Near-Field Localization with 1-bit Quantized Hybrid A/D Reception
In this paper, we consider a hybrid Analog and Digital (A/D) receiver architecture with an extremely large Dynamic Metasurface Antenna (DMA) and […]
Multiuser MIMO Wideband Joint Communications and Sensing System with Subcarrier Allocation
In wideband joint communications and sensing (JCAS) systems, the waveforms are often designed and optimized over the entire bandwidth. This significantly limits […]
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. […]
Hybrid Beamforming and Adaptive RF Chain Activation for Uplink Cell-Free Millimeter-Wave Massive MIMO Systems
In this work, we investigate hybrid analog–digital beamforming (HBF) architectures for uplink cell-free (CF) millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems. We […]
Fast MIMO Beamforming via Deep Reinforcement Learning for High Mobility mmWave Connectivity
Future 5G/6G wireless networks will be increasingly using millimeter waves (mmWaves) where fast and efficient beamforming is vital for providing continuous service […]