4 papers
BIFROST: Reinventing WiFi Signals Based on Dispersion Effect for Accurate Indoor Localization
Yimiao Sun, Yuan He, Jiacheng Zhang +4
WiFi-based device localization is a key enabling technology for smart applications, which has attracted numerous research studies in the past decade. Most of the existing approache…
QuinID: Enabling FDMA-Based Fully Parallel RFID with Frequency-Selective Antenna
Xin Na, Jia Zhang, Jiacheng Zhang +6
Parallelizing passive Radio Frequency Identification (RFID) reading is an arguably crucial, yet unsolved challenge in modern IoT applications. Existing approaches remain limited to…
Leggiero: Analog WiFi Backscatter with Payload Transparency
Xin Na, Xiuzhen Guo, Zihao Yu +3
Backscatter is an enabling technology for battery-free sensing in today's Artificial Intelligence of Things (AIOT). Building a backscatter-based sensing system, however, is a daunt…
Trident: Interference Avoidance in Multi-reader Backscatter Network via Frequency-space Division
Yang Zou, Xin Na, Yimiao Sun +1
Backscatter is a key technology for battery-free sensing in industrial IoT applications. To fully cover numerous tags in the deployment area, one often needs to deploy multiple rea…