Abstract: Extremely large-scale multiple-input multiple-output (XL-MIMO) is considered as a key technology for future wireless communications. For near-field beam training in XL-MIMO, the distance ...

Abstract: Space charge effects pose significant challenges to the advancement of electron beam-based technologies. In this study, we investigate the influence of space charge effects on the evolution ...

Headquarters of the People's Bank of China, the central bank, is pictured in Beijing, China. [Photo/Xinhua] China's central bank has rolled out a one-off credit repair policy to improve the public's ...

China’s central bank has rolled out a one-time credit repair policy, aimed at people carrying small overdue credit records from the pandemic years. The move targets household borrowers as authorities ...