Content-agnostic backscatter from thin air
We present CAB, a content-agnostic backscatter system that can demodulate both tag and
ambient data from ambient backscattered WiFi alone. In contrast to prior ambient backscatter …
ambient data from ambient backscattered WiFi alone. In contrast to prior ambient backscatter …
Rapidrider: Efficient wifi backscatter with uncontrolled ambient signals
Q Wang, S Chen, J Zhao… - IEEE INFOCOM 2021-IEEE …, 2021 - ieeexplore.ieee.org
This paper presents RapidRider, the first WiFi backscatter system that takes uncontrolled
OFDM WiFi signals, eg, 802.11 a/g/n, as excitations and efficiently embeds tag data at the …
OFDM WiFi signals, eg, 802.11 a/g/n, as excitations and efficiently embeds tag data at the …
TagSheet: Sleeping posture recognition with an unobtrusive passive tag matrix
Sleep monitoring plays an important role in many medical applications, including SIDS
prevention, care of patients with pressure ulcers, and assistance to patients with sleep …
prevention, care of patients with pressure ulcers, and assistance to patients with sleep …
Bumblebee: Enabling the vision of pervasive zigbee backscatter communication
We present BumbleBee, a novel backscatter system that creates ZigBee transmissions over
productive Bluetooth Low Energy (BLE) carriers. In contrast to prior content-aware or non …
productive Bluetooth Low Energy (BLE) carriers. In contrast to prior content-aware or non …
Heartbeating with LTE networks for ambient backscatter
Different from intermittent ISM signals like Bluetooth and WiFi, LTE signals are continuous in
time and more pervasive in space, which makes them suitable carriers for ambient …
time and more pervasive in space, which makes them suitable carriers for ambient …
Fast and accurate detection of unknown tags for RFID systems–hash collisions are desirable
Unknown RFID tags appear when tagged items are not scanned before being moved into a
warehouse, which can even cause serious security issues. This paper studies the practically …
warehouse, which can even cause serious security issues. This paper studies the practically …
Multi-seed group labeling in RFID systems
Ever-increasing research efforts have been dedicated to radio frequency identification
(RFID) systems, such as finding top-k, elephant groups, and missing-tag detection. While …
(RFID) systems, such as finding top-k, elephant groups, and missing-tag detection. While …
A near-optimal protocol for continuous tag recognition in mobile rfid systems
Mobile radio frequency identification (RFID) systems typically experience the continual
movement of many tags rapidly going in and out of the interrogating range of readers …
movement of many tags rapidly going in and out of the interrogating range of readers …
Universal space-time stream backscatter with ambient wifi
Y Yang, W Gong - 2022 IEEE international conference on …, 2022 - ieeexplore.ieee.org
Backscatter communication is the core technology supporting the passive internet of things
(IoT). Existing space-time stream backscatter systems are non-universal and inefficient due …
(IoT). Existing space-time stream backscatter systems are non-universal and inefficient due …
Embracing self-powered wireless wearables for smart healthcare
L Yuan, C Xiong, S Chen… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
We present Apollo, a self-powered wireless biochemical system that is wearable and can
continuously monitor personal health states. It has three key enablers. First, we design an …
continuously monitor personal health states. It has three key enablers. First, we design an …