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In this paper, we investigate optimal scheme to manage time scheduling of different modules including spectrum sensing, radio frequency (RF) energy harvesting (RFH) and ambient backscatter communication (ABCom) by maximizing data…

Information Theory · Computer Science 2018-10-16 Xiaolan Liu , Yue Gao , Fengye Hu

Ambient backscatter is an intriguing wireless communication paradigm that allows small devices to compute and communicate by using only the power they harvest from radio-frequency (RF) signals in the air. Ambient backscattering devices…

Information Theory · Computer Science 2016-05-17 Donatella Darsena , Giacinto Gelli , Francesco Verde

Supply chain management is aimed to keep going long-term performance of the supply chain and minimize the costs. Backscatter technology provides a more efficient way of being able to identify items and real-time monitoring. Among the…

Networking and Internet Architecture · Computer Science 2025-06-21 Yun-Hao Liu , Tao Liu , Yimeng Huang , Han Ding , Wei Xi , Wei Gong

Wireless sensors in extreme environments such as underground, concrete wall, and the human body, can enable a large number of important applications. However, deploying wireless sensors in such environments on a large scale is a great…

Signal Processing · Electrical Eng. & Systems 2019-07-24 Hongzhi Guo , Zhi Sun

In this paper, we introduce the new concept of Crowd-Detectable Zero-Energy-Devices. Such devices harvest solar or ambient light energy to power themselves, backscatter ambient waves to communicate, and are detected simultaneously by a…

Signal Processing · Electrical Eng. & Systems 2021-10-13 D. -T. Phan-Huy , D. Barthel , P. Ratajczak , R. Fara , M. di Renzo , J. de Rosny

Tag signal detection is one of the key tasks in ambient backscatter communication (AmBC) systems. However, obtaining perfect channel state information (CSI) is challenging and costly, which makes AmBC systems suffer from a high bit error…

Signal Processing · Electrical Eng. & Systems 2020-11-16 Chang Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Ying-Chang Liang

Ambient backscatter communications have been identified for ultra-low energy wireless communications. Indeed, a tag can send a message to a reader without emitting any wave and without battery, simply by backscattering the waves generated…

Information Theory · Computer Science 2021-08-05 Jean-Marc Kelif , Dinh-Thuy Phan-Huy

Backscatter communication (BC) has emerged as a key technology to satisfy the increasing need for low-cost and green Internet-of-Things (IoT) connectivity, especially in large-scale deployments. Unlike the monostatic BC (MoBC), the bistatic…

Signal Processing · Electrical Eng. & Systems 2024-07-26 Ahmet Kaplan , Diana P. M. Osorio , Erik G. Larsson

This paper enables connectivity on everyday objects by transforming them into FM radio stations. To do this, we show for the first time that ambient FM radio signals can be used as a signal source for backscatter communication. Our design…

Networking and Internet Architecture · Computer Science 2017-02-28 Anran Wang , Vikram Iyer , Vamsi Talla , Joshua R. Smith , Shyamnath Gollakota

Green low power networking with the least requirement of dedicated radio resources is need of the hour which has led to the upsurge of backscatter communication (BSC) technology. However, this inherent potential of BSC is challenged by…

Information Theory · Computer Science 2019-08-26 Deepak Mishra , Erik G. Larsson

In an era driven by the Internet of Things (IoT) and rapid wireless communication advances, the synergy between sensing and backscatter communication (BackCom) has emerged as a frontier of research. This paper delves deep into the…

Signal Processing · Electrical Eng. & Systems 2023-12-13 Shayan Zargari , Diluka Galappaththige , Chintha Tellambura

Recently, a novel ultra-low-power indoor localization system based on Zero-Energy Devices (ZEDs) has shown promising results in ambient backscatter communication. In this paper, we study detection of multiple coexisting ZEDs in ambient…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Shanglin Yang , Jean-Marie Gorce , Muhammad Jehangir Khan , Dinh-Thuy Phan-Huy , Guillaume Villemaud

Ambient backscatter communication (AmBC) has emerged as a highly attractive paradigm for energy-efficient communication. Full-duplex multi-tag AmBC systems provide the scalability and efficient spectrum utilization essential for next…

Signal Processing · Electrical Eng. & Systems 2025-12-16 Saeed Abdallah , Mahmoud A. Albreem , Bassel Al Homssi , Mohamed Saad , Abdulmalik Alwarafy

Ambient backscatter communication (AmBC) enables wireless-powered backscatter devices (BDs) to transmit information over ambient radio-frequency (RF) carriers without using an RF transmitter, and thus has emerged as a promising technology…

Information Theory · Computer Science 2018-05-04 Gang Yang , Dongdong Yuan , Ying-Chang Liang

In this paper, we study backscatter communication (BC) for power-limited devices that are connected to a network for the Internet of Things (IoT), where joint estimation and detection is carried out at a receiver to detect signals from a…

Information Theory · Computer Science 2019-08-21 Jinho Choi

In this paper, the spectral efficiency of permutation modulation-based multiple input multiple output (MIMO) visible light communication is improved using systematically designed, multiweight codeword matrices. Soft-decision, low-complexity…

Signal Processing · Electrical Eng. & Systems 2020-07-01 Oluwafemi Kolade , Ling Cheng

In this work, we exploit the radar clutter (i.e., the ensemble of echoes generated by the terrain and/or the surrounding objects in response to the signal emitted by a radar transmitter) as a carrier signal to enable an ambient backscatter…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Luca Venturino , Emanuele Grossi , Marco Lops , Jeremy Johnston , Xiaodong Wang

In this paper, we consider a novel ambient backscatter multiple-access system, where a receiver (Rx) simultaneously detects the signals transmitted from an active transmitter (Tx) and a backscatter Tag. Specifically, the…

Information Theory · Computer Science 2024-10-30 Wanchun Liu , Ying-Chang Liang , Yonghui Li , Branka Vucetic

Integrated sensing and communication (ISAC) is a key technology of next generation wireless communication. Backscatter communication (BackCom) plays an important role for internet of things (IoT). Then the integration of ISAC with BackCom…

Signal Processing · Electrical Eng. & Systems 2024-09-06 Zongyao Zhao , Tiankuo Wei , Zhenyu Liu , Xinke Tang , Xiao-Ping Zhang , Yuhan Dong

Ambient backscatter communication (AmBC) enables battery-free connectivity by letting passive tags modulate existing RF signals, but reliable detection of multiple tags is challenging due to strong direct link interference, very weak…

Signal Processing · Electrical Eng. & Systems 2025-12-22 Talha Akyildiz , Hessam Mahdavifar