Towards Near-Field 3D Spot Beamfocusing: Possibilities, Challenges, and Use-cases

Mehdi Monemi, Mohammad Amir Fallah, Mehdi Rasti +2

Spot beamfocusing (SBF) is the process of focusing the signal power in a small spot-like region in the 3D space, which can be either hard-tuned (HT) using traditional tools like le…