An IT security researcher reveals how a wheelchair's QR code becomes a master key to all comfort functions.

Abstract: In contrast to the intelligent reflecting surface (IRS) as a pure reflection device in the past, in this letter, from a more micro perspective, we propose to employ pseudo-random ...

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.