Zobrazeno 1 - 10
of 106
pro vyhledávání: '"Galymzhan Nauryzbayev"'
Publikováno v:
Alexandria Engineering Journal, Vol 85, Iss , Pp 261-285 (2023)
Wireless energy and information transfer have been effectively employed to facilitate reliable operation and communication among sensor nodes of wireless body area networks (WBANs). This work, therefore, presents the recent advances related to wirele
Externí odkaz:
https://doaj.org/article/c1bf25e305b7473fbce12c1fc03ed86b
Autor:
Hongxing Peng, Zhifa Tian, Xingwang Li, Weizheng Wang, Galymzhan Nauryzbayev, Khaled Rabie, Thippa Reddy Gadekallu
Publikováno v:
Alexandria Engineering Journal, Vol 67, Iss , Pp 39-49 (2023)
This paper investigates the covert communication of cooperative non-orthogonal multiple access (NOMA) systems, where the near user serves as a decode-and-forward (DF) relay and the far user receives the covert information from both the source and the
Externí odkaz:
https://doaj.org/article/3f4d1144637a46729137c5495fa215cd
Publikováno v:
IEEE Access, Vol 11, Pp 37768-37777 (2023)
A thorough analysis of slotted ground plane (SGP)-based resonators designed for wireless power transfer (WPT) applications is reported in this paper. For the first time, some new findings that relate a resonator and WPT performance metrics to the slo
Externí odkaz:
https://doaj.org/article/48a542f511f645b7986720c55435ecee
Autor:
Roman Kruchinin, Yerzhan Nurmakanov, Galymzhan Nauryzbayev, Desmond Adair, Zhumabay Bakenov, Gulnur Kalimuldina
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 15048-15056 (2022)
Recently, flexible triboelectric nanogenerators (TENGs) have gained significant interest as a promising autonomous technology for harvesting abundant mechanical energy and powering portable electronic devices. In this work, a high-performance flexibl
Externí odkaz:
https://doaj.org/article/9333ffec807e4920941617d76c0353ec
Autor:
Yerzhan Nurmakanov, Gulnur Kalimuldina, Galymzhan Nauryzbayev, Desmond Adair, Zhumabay Bakenov
Publikováno v:
Nanoscale Research Letters, Vol 16, Iss 1, Pp 1-27 (2021)
Abstract Harvesting abundant mechanical energy has been considered one of the promising technologies for developing autonomous self-powered active sensors, power units, and Internet-of-Things devices. Among various energy harvesting technologies, the
Externí odkaz:
https://doaj.org/article/df292605d5c04b3ea7b7084c20fcd809
Autor:
Yerassyl Akhmetkaziyev, Galymzhan Nauryzbayev, Sultangali Arzykulov, Ahmed M. Eltawil, Khaled M. Rabie, Xingwang Li
Publikováno v:
IEEE Access, Vol 9, Pp 35932-35946 (2021)
Satellite-terrestrial networks (STNs) have received significant attention from research and industry due to their capability of providing a stable connection to rural and distant areas, where the allocation of terrestrial infrastructures is uneconomi
Externí odkaz:
https://doaj.org/article/56e526084138447f8676948adb2070d7
Publikováno v:
IEEE Open Journal of the Industrial Electronics Society, Vol 2, Pp 401-409 (2021)
In the design and development of front-end communication systems, the arbitrary impedance environments are encountered frequently. In this article, a three-port dual-band equal power divider is proposed which also transforms all types of impedance en
Externí odkaz:
https://doaj.org/article/9b5ab00d035644628216e90a1418c612
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 2, Pp 1473-1485 (2021)
The conflation of cognitive radio (CR) and non-orthogonal multiple access (NOMA) concepts is a promising approach to fulfill the massive connectivity goals of future networks given the spectrum scarcity. Accordingly, this paper investigates the perfo
Externí odkaz:
https://doaj.org/article/065d45fbbb8147b1ba2b8d8458e9f637
Publikováno v:
IEEE Access, Vol 9, Pp 66141-66153 (2021)
In this paper, we consider the decode-and-forward (DF) relay system in millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems, and propose a hybrid beamforming design method for the mixed structure, which contains the fully-co
Externí odkaz:
https://doaj.org/article/0758abef980f444196787e6c214d384c
Publikováno v:
IEEE Access, Vol 9, Pp 160958-160974 (2021)
This work elaborates the analysis on ergodic capacity, coverage probability, and average throughput for multi-user non-orthogonal multiple access (NOMA) based device-to-device communication networks, which operate in the millimeter-wave spectrum rang
Externí odkaz:
https://doaj.org/article/883f8144040042d687421752aa3dc84d