Zobrazeno 1 - 10
of 521
pro vyhledávání: '"Hyun-Ho Choi"'
Publikováno v:
IEEE Access, Vol 11, Pp 121529-121538 (2023)
An integrated access and backhaul (IAB)-enabled small-cell network commonly utilizes frequency channels for access and backhaul links, and thus this network has a chance to utilize the frequency channels efficiently and optimally. However, there are
Externí odkaz:
https://doaj.org/article/db25c14eea6548458e0dfbc1a8b5f643
Autor:
Kisong Lee, Hyun-Ho Choi
Publikováno v:
IEEE Access, Vol 11, Pp 103146-103153 (2023)
We consider a wireless-powered sensor network (WPSN) in which multiple transmitting and receiving node pairs communicate with each other, and the nodes not involved in the communication process harvest energy from the transmitted radio signals. These
Externí odkaz:
https://doaj.org/article/4d75cade191c4598872e18291a5051b1
Publikováno v:
ICT Express, Vol 8, Iss 4, Pp 525-529 (2022)
In B5G heterogeneous cellular networks, a rapid increase in the number of small cell base stations (SBSs) to support a massive number of devices tends to waste a considerable amount of energy. Therefore, intelligent management of SBSs’ power consum
Externí odkaz:
https://doaj.org/article/8cd39175529b4534b465d7a788cf06e6
Publikováno v:
IEEE Access, Vol 10, Pp 20455-20464 (2022)
Recently, the demand for small cell base stations (SBSs) has been exploding to accommodate the explosive increase in mobile data traffic. In ultra-dense small cell networks (UDSCNs), because the spatial and temporal traffic distributions are signific
Externí odkaz:
https://doaj.org/article/19a8f8a84c644a58904805162d73565f
Autor:
Hyun-Ho Choi, Ok-Ran Shin, Hyung-Keun Kim, Bu-Seok Jeon, Yong-Won Park, Sang-Woo Kim, Sung-Soo Kim, Hiun-Suk Chae, Soo Vin Lee
Publikováno v:
Journal of Investigative Surgery, Vol 32, Iss 8, Pp 731-737 (2019)
Purpose: Endobiliary radiofrequency ablation (RFA) is a new endoscopic ablative technique. However, the ideal power setting for RFA has not yet been clarified. Therefore, we intended to evaluate the effects of endobiliary RFA according to time variat
Externí odkaz:
https://doaj.org/article/47be252192144999a07c907b79d82368
Autor:
Hyun-Ho Choi, Jung-Ryun Lee
Publikováno v:
IEEE Access, Vol 7, Pp 85937-85948 (2019)
This paper proposes a local flooding-based on-demand routing protocol for mobile ad hoc networks to reduce the flooding overhead and offers effective alternative paths between the source and destination nodes. The proposed protocol first uses overhea
Externí odkaz:
https://doaj.org/article/9ba4665bc4be4e88bf10673aaa65017c
Publikováno v:
IEEE Access, Vol 7, Pp 104769-104776 (2019)
With recent rapid increases in the number of devices connected to wireless networks, the importance of scalable radio resource management operating in a distributed manner and the role of fairness among nodes are critical aspects in ensuring reliable
Externí odkaz:
https://doaj.org/article/65f58116492d4258b9e45e133e163e2c
Autor:
Hyun-Ho Choi, Wonjae Shin
Publikováno v:
IEEE Access, Vol 6, Pp 53342-53355 (2018)
Centralized controls in wireless-powered communication networks (WPCNs) induce considerable overhead for channel estimation and high complexity for optimization, as the number of wireless devices (WDs) increases. To tackle this problem, we apply slot
Externí odkaz:
https://doaj.org/article/236fe3834f704e2a8ae83fd51f2b8498
Autor:
Kisong Lee, Hyun-Ho Choi
Publikováno v:
IEEE Access, Vol 6, Pp 76289-76301 (2018)
In this paper, we consider a two-way relay system in which two users exchange data via a relay based on analog network coding (ANC) when multiple eavesdroppers exist. The relay replenishes energy from the two users’ signal and utilizes it to forwar
Externí odkaz:
https://doaj.org/article/83cec37a2186457f8a3338d7a018ea31
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 5, Iss 6, Pp 445-452 (2017)
In this paper, we propose a new 3-D image transmission method using in-network computation (INC) for integral imaging. In integral imaging, information of 3-D objects can be recorded as multiple 2-D elemental images with different perspectives so tha
Externí odkaz:
https://doaj.org/article/fbabb26c5c1445b29a04ccd9a56812ec