Results 21 to 30 of about 523,825 (238)

Performance Analysis of Ambient Backscatter NOMA Systems

open access: yesApplied Sciences, 2023
This paper analyzed the performance of an ambient-backscatter-(AmBC)-assisted non-orthogonal multiple access (NOMA) system, where a backscatter device (BD) broadcasts its signal to numerous users. More specifically, the realistic assumptions of imperfect
Ce Zhang   +3 more
doaj   +1 more source

Machine Learning Assisted Signal Detection in Ambient Backscatter Communication Networks

open access: yes, 2021
The paper describes ML techniques that can be leveraged to assist signal detection in ambient backscatter communication ...
Basem M. Elhalawany (11248638)   +4 more
core   +1 more source

Design of Intelligent Reflecting Surface (IRS)-Boosted Ambient Backscatter Systems

open access: yesIEEE Access, 2022
Passive technologies like ambient backscatter communication (AmBC) and intelligent reflecting surface (IRS) hold enormous potential for ubiquitous connectivity of Internet of Things (IoT) devices in future wireless networks.
Sahar Idrees   +3 more
doaj   +1 more source

Adaptive Transmission Repetition and Combining in Bistatic WiFi Backscatter Communications

open access: yesIEEE Access, 2020
Extracting data bits from bistatic-backscattered WiFi signals by threshold-based decoding is challenging due to severe fluctuation of OFDM signals. We propose adaptive transmission repetition to combat this problem.
Hwanwoong Hwang, Ji-Hoon Yun
doaj   +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

Novel Sparse-Coded Ambient Backscatter Communication for Massive IoT Connectivity

open access: yesEnergies, 2018
Low-power ambient backscatter communication (AmBC) relying on radio-frequency (RF) energy harvesting is an energy-efficient solution for batteryless Internet of Things (IoT).
Tae Yeong Kim, Dong In Kim
doaj   +1 more source

Acoustic and In‐Situ Observations of Deep Seafloor Hydrothermal Discharge: An OOI Cabled Array ASHES Vent Field Case Study

open access: yesEarth and Space Science, 2021
The Cabled Observatory Vent Imaging Sonar (COVIS) was installed on the Ocean Observatories Initiative's Regional Cabled Array observatory at ASHES hydrothermal vent field on Axial Seamount in July 2018.
Guangyu Xu   +3 more
doaj   +1 more source

Ambient Backscatter Assisted Co-Existence in Aerial-IRS Wireless Networks

open access: yesIEEE Open Journal of the Communications Society, 2022
Ambient backscatter communication (AmBC) is an emerging technology that has the potential to offer spectral- and energy-efficient solutions for the next generation wireless communications networks, especially for the Internet of Things (IoT). Intelligent
Sourabh Solanki   +3 more
doaj   +1 more source

Performance analysis of wireless-powered cognitive radio networks with ambient backscatter

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
Ambient backscatter is a promising wireless communication technique where low-power users communicate with each other without any dedicated power source.
Daniyal Munir   +4 more
doaj   +1 more source

Ambient OFDM Pilot-Aided Backscatter Communications: Concept and Design

open access: yesIEEE Access, 2021
This paper investigates a backscatter communications system that exploits ambient pilot symbols used in existing standards based on orthogonal frequency-division multiplexing (OFDM), such as IEEE802.11, in order to realize ultra-low power communications ...
Takanori Hara   +2 more
doaj   +1 more source

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