Experimental Analysis of Channel Frequency, Space, and Object Consistency at the W-Band
Subterahertz (sub-THz) frequencies provide huge untapped bandwidth for high data rates in wireless communications and high-precision sensing applications. Understanding radio channel characteristics […]
Virtual Antenna Array Based Channel Sounding at 300 GHz: Implementation and Field Measurements
Knowledge of spatial profiles of propagation channels holds significant importance in channel modeling, particularly in the sub-terahertz (sub-THz) frequency band spanning from […]
An Analog Beamforming Strategy based on Statistical Channel Information for Recharging Wireless Powered Sensor Networks
Wireless energy transfer (WET) technology is key for future wireless networks as it can enable uninterrupted and maintenance-free operation of Internet of […]
Artificial Intelligence-Empowered Hybrid Multiple-Input/Multiple-Output Beamforming: Learning to Optimize for High-Throughput Scalable MIMO
Hybrid beamforming for multiple-input/multiple-output (MIMO) communications is an attractive technology for realizing extremely massive MIMO systems envisioned for future wireless communications in […]
6G Fresnel Spot Beamfocusing using Large-Scale Metasurfaces: A Distributed DRL-Based Approach
We propose a novel approach to smart spot-beamforming (SBF) in the Fresnel zone leveraging extremely large-scale programmable metasurfaces (ELPMs). A smart SBF […]
A Meta-DDPG Algorithm for Energy and Spectral Efficiency Optimization in STAR-RIS-Aided SWIPT
This letter studies a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-assisted wireless system where a multi-antenna base station (BS) transmits both […]
6G Fresnel Spot Beamfocusing using Large-Scale Metasurfaces: A Distributed DRL-Based Approach
We propose a novel approach to smart spot-beamforming (SBF) in the Fresnel zone leveraging extremely large-scale programmable metasurfaces (ELPMs). A smart SBF […]
A Meta-DDPG Algorithm for Energy and Spectral Efficiency Optimization in STAR-RIS-Aided SWIPT
This letter studies a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-assisted wireless system where a multi-antenna base station (BS) transmits both […]
Complexity reduction in multicast beamforming for D2D assisted coded caching
A novel D2D aided beamforming scheme is proposed, where the local cache content exchange among nearby users is exploited. The transmission phase […]
Inter-beam Interference Reduction in Hybrid mmW Beamforming Transceivers
Practical radio frequency beamforming can suffer from high sidelobe levels which cause inter-beam interference (IBI) in multibeam transceivers. IBI can be reduced […]