They've started testing scan-and-go technology at Costco, which would help speed up lines or even eliminate them altogether.

Since the introduction of native QR code scanning in smartphones, 2D barcodes have become the preferred method of sharing ...

If you find it inconvenient to share your Android phone’s hotspot details manually, you can create a QR code that others can scan from their devices to connect to your hotspot. It's easier than you ...

Abstract: In this paper we propose an enhanced soft cancellation (SCAN) decoder for polar codes based on decoding stages permutation. The proposed soft cancellation list (SCANL) decoder runs L ...