Results 11 to 20 of about 1,885,983 (159)

Simultaneous harvest-and-transmit ambient backscatter communications under Rayleigh fading

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
Ambient backscatter communications is an emerging paradigm and a key enabler for pervasive connectivity of low-powered wireless devices. It is primarily beneficial in the Internet of things (IoT) and the situations where computing and connectivity ...
Furqan Jameel   +3 more
doaj   +2 more sources

Polarization Conversion-Based Ambient Backscatter System

open access: yesIEEE Access, 2020
In Ambient Backscatter Communications (AmBC), a backscatter device communicates by modulating the ambient radio frequency (RF) signal impinging at its antenna.
Jari Lietzen   +4 more
doaj   +2 more sources

Defeating Eavesdroppers with Ambient Backscatter Communications [PDF]

open access: yes, 2023
Unlike conventional anti-eavesdropping methods that always require additional energy or computing resources (e.g., in friendly jamming and cryptography-based solutions), this work proposes a novel anti-eavesdropping solution that comes with mostly no ...
Hieu, Nguyen Quang   +5 more
core   +2 more sources

Physical Layer Key Generation between Backscatter Devices over Ambient RF Signals [PDF]

open access: yes, 2021
Ambient backscatter communication (AmBC), which enables energy harvesting and ultra-low-power communication by utilizing ambient radio frequency (RF) signals, has emerged as a cutting-edge technology to realize numerous Internet of Things (IoT ...
Jiao, Long   +7 more
core   +1 more source

Novel Signal Detectors for Ambient Backscatter Communications in Internet of Things Applications [PDF]

open access: yes, 2023
Ambient backscatter communication enables lowcost low-rate wireless interconnections for Internet of Things (IoT) applications. In this work, new signal detectors for different cases of ambient backscatter communications are derived.
Yunfei Chen   +3 more
core   +1 more source

Performance of ambient backscatter systems using reconfigurable intelligent surface [PDF]

open access: yes, 2021
Reconfigurable intelligent surface (RIS) has been proved effective in improving the performance of communications. In this letter, the effect of RIS on individual links in ambient backscatter communications is examined.
Chen, Yunfei, Yunfei Chen
core   +1 more source

Rate Maximization of UAV-Assisted Ambient Backscatter Communications

open access: yes, 2023
Unmanned aerial vehicle (UAV) has been extensively deployed to improve wireless coverage due to its high mobility, while ambient backscatter communication has the advantage in improving the energy efficiency.
Li, P   +6 more
core   +1 more source

Multi-Antenna Ambient Backscatter Communications: Performance Optimization and Analysis

open access: yes, 2023
Amid the evolution of Internet-of-things (IoT), connecting the ever-increased number of devices requires sustainable solutions. Ambient backscatter communications (AmBC) emerges as a promising enabler because of its ultra-low power consumption and ...
Wang, Xiyu
core   +1 more source

Ambient backscatter communications over NOMA downlink channels [PDF]

open access: yes, 2020
In this paper, we investigate the performance of commensal ambient back-scatter communications (AmBC) that ride on a non-orthogonal multiple access (NOMA) downlink transmission, in which a backscatter device (BD) splits part of its received signals from ...
Gong, Fengkui   +5 more
core   +1 more source

Backscatter Communications over Ambient OFDM Signals using Null Subcarriers [PDF]

open access: yes, 2018
Käsikirjoitus avataan, kun artikkeli julkaistu.In recent years, ambient backscatter communications have gained a lot of interest as a promising enabling technology for Internet-of-Things and green communications.
Li, Geoffrey   +11 more
core   +1 more source

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