Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Ngoc-Long Nguyen"'
Autor:
Ba-Thanh Vu, Tien-Thanh Bui, Ngoc-Long Nguyen, The-Truyen Tran, Xuan-Lam Nguyen, Viet-Hai Hoang
Publikováno v:
Forces in Mechanics, Vol 16, Iss , Pp 100282- (2024)
This present work uses the phase-field modelings to investigate the influence of interfacial effects on damage and mechanical behavior, as well as the optimal distribution of the inclusion shape within brittle inclusion-matrix structures in various t
Externí odkaz:
https://doaj.org/article/1d917a2268e54b769390ddb35b6aa20f
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
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
Publikováno v:
IEEE Access, Vol 9, Pp 117925-117937 (2021)
We investigated the outage performance of non-orthogonal multiple access (NOMA) in satellite-terrestrial systems which contain hardware impairments. An unmanned aerial vehicle (UAV) was implemented to forward signals from a satellite to users on the
Externí odkaz:
https://doaj.org/article/a5fcaf781f5e4b70a7f5eb0a8ff7ad3b
Autor:
Nhat-Tien Nguyen, Hong-Nhu Nguyen, Ngoc-Long Nguyen, Anh-Tu Le, Dinh-Thuan Do, Miroslav Voznak
Publikováno v:
IEEE Access, Vol 9, Pp 50291-50300 (2021)
In the paper, we present a study on the performance analysis of a non-orthogonal multiple access (NOMA) underlay cognitive hybrid satellite-terrestrial relaying network (CSTRN) and highlight the performance gaps between multiple users. The satellite
Externí odkaz:
https://doaj.org/article/b022e57d12824125bff419aa1529fe98
Autor:
Si-Phu Le, Minh-Sang Van Nguyen, Dinh-Thuan Do, Hong-Nhu Nguyen, Ngoc-Long Nguyen, Nhat-Tien Nguyen, Miroslav Voznak
Publikováno v:
Elektronika ir Elektrotechnika, Vol 26, Iss 5, Pp 59-65 (2020)
Wireless Power Transfer (WPT) is a significant technique for Internet of Things (IoT) networks. Recently, more interest has been focused on multiple access technique without orthogonal signals for wireless communication. Non-orthogonal Multiple Acces
Externí odkaz:
https://doaj.org/article/7da70954651d4d8aa1d68a63a7bbe23f
Autor:
Hong-Nhu Nguyen, Ngoc-Long Nguyen, Nhat-Tien Nguyen, Anh-Tu Le, Nhat-Duy Xuan Ha, Dinh-Thuan Do, Miroslav Voznak
Publikováno v:
IEEE Access, Vol 8, Pp 215044-215056 (2020)
We study a hybrid satellite-terrestrial cognitive network (HSTCN) relying on non-orthogonal multiple access (NOMA) interconnecting a satellite and multiple terrestrial nodes. In this scenario, the long distance communication is achieved by the satell
Externí odkaz:
https://doaj.org/article/1f687ceb19da41d8b4554bf362c8f837
Publikováno v:
IEEE Access, Vol 8, Pp 188526-188537 (2020)
Satellite communication systems need to be integrated with emerging small-cell network to provide seamless connectivity and high-speed broadband access for mobile users in future wireless networks. In this paper, we study a hybrid satellite-terrestri
Externí odkaz:
https://doaj.org/article/99d23948f11f40b8a9bc71f5de3670e1
Autor:
Thu-Thuy Thi Dao, Ngoc-Long Nguyen, Hong-Nhu Nguyen, Si-Phu Le, Dinh-Thuan Do, Quyet Nguyen, Miroslav Voznak, Lukas Sevcik, Jaroslav Zdralek
Publikováno v:
Elektronika ir Elektrotechnika, Vol 24, Iss 4, Pp 72-76 (2018)
In the presence of an illegitimate user, we investigate the secrecy outage probability (SOP) of the optimal relay selection (ORS) networks by applying decode-and-forward (DnF) based full-duplex (FD) relaying mode. The closed-form expressions for the
Externí odkaz:
https://doaj.org/article/8bb7b3083c4b449fb70755e73b60c74b
Publikováno v:
Periodica Polytechnica: Civil Engineering. 2024, Vol. 68 Issue 3, p892-902. 11p.