Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Yunbae Kim"'
Autor:
Yunbae Kim, Seungkeun Park
Publikováno v:
IEEE Access, Vol 11, Pp 49895-49912 (2023)
The importance of unlicensed spectrum is highlighted in terms of the flexibility of network deployment for various services envisioned in 5G and beyond. Since listen before talk is mandatory for channel access in unlicensed spectrum and it causes an
Externí odkaz:
https://doaj.org/article/f1c523e3d20c4a30ae5ee5a7d2ff6975
Autor:
Daegyeom Kim, Myeongjin Ko, Sunghyun Kim, Sungwoo Moon, Kyung-Yul Cheon, Seungkeun Park, Yunbae Kim, Hyungoo Yoon, Yong-Hoon Choi
Publikováno v:
IEEE Access, Vol 10, Pp 15978-15993 (2022)
This paper proposes a neural 5G traffic generation model and a methodology for calculating the spectrum requirements of private 5G networks to provide various industrial communication services. To accurately calculate the spectral requirements, it is
Externí odkaz:
https://doaj.org/article/2472a1d3b4c7485a8c6b78664e646ba0
Autor:
Yunbae Kim, Seungkeun Park
Publikováno v:
IEEE Access, Vol 8, Pp 73398-73419 (2020)
Growing demands and key requirements for Machine-to-Machine (M2M) communications have raised concerns about the coexistence of various networks in unlicensed bands. Currently in unlicensed bands, Short Range Devices (SRD) are performing a part of the
Externí odkaz:
https://doaj.org/article/09d19f41b9b543569d32aface7c097ff
Autor:
Yunbae Kim, Seungkeun Park
Publikováno v:
IEEE Access, Vol 8, Pp 25027-25040 (2020)
The major use cases for IMT-2020 include enhanced mobile broadband (eMBB) and ultra-reliable and low latency communication (URLLC). URLLC packets occur sporadically, but each time, available resources with favorable conditions are required for their
Externí odkaz:
https://doaj.org/article/0d7a9f554ccf489c8651c07849ed9e9a
Publikováno v:
IEEE Access, Vol 6, Pp 15155-15169 (2018)
Efficient sharing of the network spectrum is required to meet the exponentially growing demand of wireless communications, and the role of the medium access control (MAC) protocols has been becoming more important. In this regard, a novel MAC protoco
Externí odkaz:
https://doaj.org/article/7180cfb14e1747ebb8c3d7fe167c7731
Autor:
Deqi Kong, Heeryun Cho, Jaeeun Lee, Eunsaem Choi, Ahyoung Lee, Ehnkyoung Choi, Yunbae Kim, Haijoong Kim, Sooncheol Hong
Women experiencing primary ovarian insufficiency (POI) are more likely to experience infertility, and its incidence is increasing worldwide annually. Recently, the role of alpha-lipoic acid (ALA) in the treatment of POI has been reported. However, de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc06e561ad90e3820f779f88889eb65b
https://doi.org/10.21203/rs.3.rs-1789849/v1
https://doi.org/10.21203/rs.3.rs-1789849/v1
Autor:
Chris D. Kulhanek, Hector A. Delgado, Michael P. Marshall, J. Jeffrey Moore, Joseph Lillard, Yunbae Kim
Publikováno v:
Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction.
The current study uses a transient computational fluid dynamic (CFD) analysis to predict the rotordynamic force coefficients for an unshrouded radial inflow expander and labyrinth wheel seal in a high pressure natural gas turboexpander. Direct and cr
Publikováno v:
IEEE Communications Letters. 23:1626-1630
As the number of mobile subscribers of long-term evolution (LTE) service increases, it becomes important for various parties, such as operators, policymakers, and researchers, to examine how well LTE cells are deployed in terms of actual performance.
Publikováno v:
IEEE Communications Letters. 23:1427-1431
As long-term evolution (LTE) leads the mobile communications ecosystem, LTE operators have focused on securing the spectrum resources to accommodate the mobile traffic demand generated by their subscribers. Since the spectrum resources are used in th
Autor:
Seungkeun Park, Yunbae Kim
Publikováno v:
IEEE Communications Letters. 22:602-605
Recently, analytical calculations of spectrum requirements for 4G/5G systems have gained much attention from mobile industry and radio authority worldwide. Resource block (RB) scheduling based on devices’ channel conditions is important to guarante