If you've ever tried building a product catalog in Excel, you know the headache — images float over cells, they don't move ...

Abstract: The Quick Response (QR) code, a machine-readable optical label, is a pattern two-dimensional of black and white blocks. At present its applications extend to various domains, including ...

Abstract: Accuracy can be improved by localization techniques aided by reconfigurable intelligent surfaces (RIS). The majority of studies, however, primarily use base stations (BS) to pick up signals.