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 ...

On December 6, 2025 in Manchester, UK, @alexairl shared a video of an unusually large number of pigeons gathered in one place. In the video, many pigeons are seen standing still on the ground, barely ...

Dec 9 (Reuters) - Car buyers worldwide are returning to combustion engines as a result of policy reversals, trade wars and growing skepticism about EV infrastructure and costs, a report by ...

Dec 2 (Reuters) - RTX (RTX.N), opens new tab said on Tuesday it has secured a $1.6 billion sustainment contract related to its F135 engines, which power variants of Lockheed Martin's F-35 fighter jets ...