21 citations · 27 across the 3 of their papers we have counts for
3 papers
BEH: Indoor Batteryless BLE Beacons using RF Energy Harvesting for Internet of Things
Qingzhi Liu, Wieger IJntema, Anass Drif +2
Indoor beacon system is a cornerstone of internet of things. Until now, most of the research effort has focused on achieving various applications based on beacon communication. How…
WiPLoc: Perpetual Indoor Localization with RF Wireless Power Transfer
Qingzhi Liu, Wieger IJntema, Anass Drif +2
Indoor localization is a cornerstone of mobile services. Until now most of the research effort has focused on achieving sub-meter localization accuracy because many mobile applicat…
BLISP: Enhancing Backscatter Radio with Active Radio for Computational RFIDs
Ivar in 't Veen, Qingzhi Liu, Przemysław Pawełczak +2
We demonstrate the world's first hybrid radio platform which combines the strengths of active radio (long range and robustness to interference) and Computational RFIDs (low power c…