Abstract: In this paper, a low-cost K-band phased array antenna for satellite communication is designed. he phased array adopts a subarray sparse architecture to reduce the number of T/R components.

Abstract: In this paper, we study the downlink precoding of spatial non-stationary (SnS) extremely large-scale multiple-input multiple-output (XL-MIMO) in the near-field channel with uniform spherical ...

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where to even start. This guide is here to break down the common approaches and ...