Zobrazeno 1 - 10
of 136
pro vyhledávání: '"Anh-Tu Le"'
Publikováno v:
IEEE Access, Vol 12, Pp 65266-65277 (2024)
Non-orthogonal multiple access (NOMA) technology is projected to significantly increase the spectrum efficiency of the fifth-generation and subsequent wireless networks. Holographic reconfigurable Intelligent surfaces (HRISs) are a revolutionary tech
Externí odkaz:
https://doaj.org/article/03dd344cbfb64d0b95ff5037d97086a7
Publikováno v:
Sensors, Vol 24, Iss 18, p 6148 (2024)
For the future of sixth-generation (6G) wireless communication, simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) technology is emerging as a promising solution to achieve lower power transmission and flawless c
Externí odkaz:
https://doaj.org/article/5b34d66a6e76423cb71da37a52595fd5
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2023, Iss 1, Pp 1-26 (2023)
Abstract In recent years, the development of intelligent reflecting surface (IRS) in wireless communications has enabled control of radio waves to reduce the detrimental impacts of natural wireless propagation. These can achieve significant spectrum
Externí odkaz:
https://doaj.org/article/0a2960e16d614a17a0e17b3467005bf9
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5865 (2024)
The reconfigurable intelligent surfaces (RIS) represent a transformative technology in wireless communication, offering a novel approach to managing and enhancing radio signal propagation. By dynamically adjusting their electromagnetic properties, RI
Externí odkaz:
https://doaj.org/article/9bb159008a194d4eb8d00247d94aaa13
Publikováno v:
ICT Express, Vol 9, Iss 4, Pp 608-613 (2023)
Since the requirement of secure transmission for massive multiple-input–multiple-output (mIMO) is high, we consider a secure massive MIMO system in presence of multiple digital to analog converters (DACs). We deal with complicated performance analy
Externí odkaz:
https://doaj.org/article/7c72225ddb904b1da544ab00d4bcf29f
Publikováno v:
ICT Express, Vol 9, Iss 4, Pp 595-600 (2023)
This paper investigates the performance of using multiple intelligent reflecting surface (IRS)-assisted communication as compared to the hybrid approach. We demonstrate that for practical scenarios with a limited amount of radiated power, the perform
Externí odkaz:
https://doaj.org/article/80b3446a588e4f069f2b0954d15cedbd
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4498 (2024)
In this paper, we investigate a novel power beacon (PB)-aided wireless sensor-powered non-orthogonal multiple-access (NOMA) Internet-of-Things (IoT) network under imperfect channel state information (CSI). Furthermore, the exact expression outage pro
Externí odkaz:
https://doaj.org/article/70f63146534141dc86998ae73847b2a4
Publikováno v:
IEEE Access, Vol 11, Pp 119045-119056 (2023)
This paper presents a controllable analysis framework for evaluating the reliability and security of underlay cognitive radio networks (CRs) relying on non-orthogonal multiple access (NOMA). In such systems, a secondary base station (BS) transmits co
Externí odkaz:
https://doaj.org/article/761fe0664d464f6dabafec574579a421
Autor:
Bui Vu Minh, Anh-Tu Le, Chi-Bao Le, Sang Quang Nguyen, Van-Duc Phan, Tan N. Nguyen, Miroslav Voznak
Publikováno v:
IEEE Access, Vol 11, Pp 117562-117575 (2023)
To enhance the service quality of the unmanned aerial vehicle (UAV), the UAV-aided Internet of Things (IoT) systems could deploy a Deep Neural Network (DNN) for performance prediction for the users. Non-orthogonal multiple access (NOMA) is applied to
Externí odkaz:
https://doaj.org/article/622e0a6cb4ea41419c34ef04872b78d6
Performance Analysis of NOMA-Based Hybrid Satellite-Terrestrial Relay System Using mmWave Technology
Autor:
Nhat-Tien Nguyen, Hong-Nhu Nguyen, Ngoc-Long Nguyen, Anh-Tu Le, Tan N. Nguyen, Miroslav Voznak
Publikováno v:
IEEE Access, Vol 11, Pp 10696-10707 (2023)
This paper investigates the performance of NOMA-based hybrid Satellite-Terrestrial relays system (HSTR) using the millimeter wave (mmWave) technology. Furthermore, the relays are equipped with multiple antennas and utilize the amplify and forward (AF
Externí odkaz:
https://doaj.org/article/a2579e5b5dd44d779b32c746c1d58240