Results 51 to 60 of about 4,981,803 (97)

Performance Analysis of CR-Enabled AmBC NOMA Under IQI and Sensitivity Constraints

IEEE Access
Considering tag sensitivity and in-phase and quadrature-phase imbalance (IQI), this paper investigates the reliability and security of a cognitive radio (CR)-aided ambient backscatter communication (AmBC) non-orthogonal multiple access (NOMA) system ...
Wenjing Zhao, Nanxi Li, Jing Guo, Jianchi Zhu, Yi Gu, Gongpu Wang, Chintha Tellambura   +6 more
doaj   +1 more source

Secrecy Analysis and Prediction of Ambient Backscatter NOMA Systems With I/Q Imbalance

IEEE Open Journal of the Communications Society
In this paper, the reliability and security of ambient backscatter (AmBC) non-orthogonal multiple access (NOMA) systems on Nakagami-m distribution are studied.
Jiangfeng Sun, Xingchang Chuai, Yanyang Zeng, Xingwang Li   +3 more
doaj   +1 more source

Secret Key Generation for Ambient Backscatter Communication

, 2023
The interest in wireless Internet of Things (IoT) devices and Ambient Intelligence has increased significantly in recent years. The security of IoT devices has become a concern, as IoT has made it possible for things and people to interact with each ...
Lietzén, Jari
core   +1 more source

AmBC-Assisted Mobility Vehicle System With Partial NOMA Transmission

IEEE Open Journal of the Communications Society
This paper proposes the performance of a novel ambient-backscatter communication (AmBC)-assisted mobility vehicle system with partial non-orthogonal multiple access (NOMA) systems, where a jointly composite signal of NOMA and orthogonal multiple access ...
Tien Hoa Nguyen, Kieu Ha Phung
doaj   +1 more source

Polarization Conversion -based Ambient Backscatter System

, 2020
In Ambient Backscatter Communications (AmBC), a backscatter device communicates by modulating the ambient radio frequency (RF) signal impinging at its antenna.
Jäntti, R., Lietzén, J., Liljemark, A., Viikari, V., Duan, R.   +4 more
core   +1 more source

Direct Path Interference Suppression Requirements for Bistatic Backscatter Communication System

, 2021
The ambient backscatter communication (AmBC) system utilizes the existing ambient RF signals present in the atmosphere for backscattering the signal. One of the challenges for AmBC system is the interference at the receiver module caused by the direct ...
Lempiainen, Jukka, Yigitler, Huseyin, Ritayan Biswas, Huseyin Yigitler, Biswas, Ritayan, Sheikh, Muhammad Usman, Jukka Lempiainen, Muhammad Usman Sheikh, Riku Jantti, Jantti, Riku   +9 more
core   +1 more source

An adaptive physical-layer security enhancement framework for ambient backscatter communication in industrial IoT

Journal of King Saud University: Computer and Information Sciences
Ambient backscatter communication (AmBC) has emerged as a promising ultra-low power consumption communication paradigm for industrial Internet of Things (IIoT), leveraging existing radio frequency (RF) sources such as 4G/5G base stations to transmit ...
Han Zhu, Chan-Tong Lam, Benjamin K. Ng, Edmundo Monteiro   +3 more
doaj   +1 more source

Ambient Backscatter in LTE Uplink based on SRS Signals

Ambient Backscatter Communication (AmBC) is a low-power wireless communication technology that utilizes existing radio frequency (RF) signals to transmit data.
Chen, Xingji
core   +1 more source

Integrated Cognitive Symbiotic Computing and Ambient Backscatter Communication Network

Ambient backscatter communication (AmBC) possesses signal reception and energy-harvesting capabilities, allowing providing wireless cognition through simple energy detection.
Nallanathan, A, Hu, Y, Leung, VCM, Sun, C, Li, H, Sun, L, Ren, C, Zhang, H   +7 more
core   +1 more source

Resource Allocation in NOMA-Assisted Ambient Backscatter Communication System

, 2021
This paper considers a non-orthogonal multiple access (NOMA)-assisted ambient backscatter communication (AmBC) system. To maximize the achievable sum rate (ASR) of the AmBC system, a joint optimization problem over a backscatter device (BD) grouping ...
Songlin Sun, Jijiang Hou, Qiang Liu, Michel Kadoch, Hongbiao Jia   +4 more
core   +1 more source