Breaking the interference and fading gridlock in backscatter communications: State-of-the-art, design challenges, and future directions

B Gu, D Li, H Ding, G Wang… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
As the Internet of Things (IoT) advances by leaps and bounds, a multitude of devices are
becoming interconnected, marking the onset of an era where everything is connected. While …

Backscatter communication meets practical battery-free Internet of Things: A survey and outlook

T Jiang, Y Zhang, W Ma, M Peng… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Battery-free Internet-of-Things (BF-IoT), which is realized by harvesting ambient energy to
power the IoT devices, has emerged to reduce the energy consumption, and alleviate …

Energy-sustainable iot connectivity: Vision, technological enablers, challenges, and future directions

OLA López, OM Rosabal… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
Technology solutions must effectively balance economic growth, social equity, and
environmental integrity to achieve a sustainable society. Notably, although the Internet of …

A survey on ambient backscatter communications: Principles, systems, applications, and challenges

W Wu, X Wang, A Hawbani, L Yuan, W Gong - Computer Networks, 2022 - Elsevier
Owing to the nature of ultra-low-power and extremely low deployment as well as
maintenance costs, ambient backscatter technology is promising to become a prominent …

Leggiero: Analog wifi backscatter with payload transparency

X Na, X Guo, Z Yu, J Zhang, Y He, Y Liu - Proceedings of the 21st Annual …, 2023 - dl.acm.org
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 daunting task …

Content-agnostic backscatter from thin air

Y Yang, L Yuan, J Zhao, W Gong - Proceedings of the 20th annual …, 2022 - dl.acm.org
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 …

Enabling native wifi connectivity for ambient backscatter

L Yuan, W Gong - Proceedings of the 21st annual international …, 2023 - dl.acm.org
WiFi backscatter communication has required unwanted constraints on either excitations or
receivers since its inception eight years ago. We present Chameleon, the first native WiFi …

Enabling zigbee backscatter communication in a crowded spectrum

Z Xu, W Gong - 2022 IEEE 30th international conference on …, 2022 - ieeexplore.ieee.org
To piggyback information, the instantaneous-phase shift (IPS) modulation toggles discrete
phases on ambient RF carriers, which is popular with advanced backscatter systems …

Dances with blues: Harnessing multi-frequency carriers for commodity bluetooth backscatter

M Jiang, W Gong - Proceedings of the ACM on Networking, 2023 - dl.acm.org
We present DanBlue, a commodity Bluetooth backscatter system that can take multi-
frequency signals as excitations. Unlike all prior systems, DanBlue leverages ambient …

Intermittently-powered bluetooth that works

J De Winkel, H Tang, P Pawełczak - Proceedings of the 20th Annual …, 2022 - dl.acm.org
We present an architecture for intermittently-powered wireless communication systems that
does not require any changes to the official protocol specification. Our core idea is to save …