A Raspberry Pi board, a spare USB Wi-Fi adapter, and a few terminal commands can turn a credit-card-sized computer into a functioning wireless access point that rebroadcasts your router’s signal to ...

It started as a smart home tool; now I want it to do everything.

Abstract: Extremely large-scale multiple-input multiple-output (XL-MIMO) has been viewed as a potential key technology for spectrum efficiency enhancement in 6G communications. With the spherical-wave ...