Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Hyungwoo Choi"'
Publikováno v:
Sensors, Vol 23, Iss 22, p 9070 (2023)
This paper proposes an energy-efficient multi-level sleep mode control for periodic transmission (MSC-PUT) in private fifth-generation (5G) networks. In general, private 5G networks meet IIoT requirements but face rising energy consumption due to den
Externí odkaz:
https://doaj.org/article/45ad011d4959491ca05686b8812203d7
Publikováno v:
IEEE Access, Vol 10, Pp 61228-61248 (2022)
This paper proposes a novel energy-conscious access point ( $e$ AP) system with cross-layer design to increase the energy efficiency of IoT devices in IEEE 802.11 Wi-Fi networks for reliable IoT services. The proposed $e$ AP system controls the energ
Externí odkaz:
https://doaj.org/article/f9afb2bdb5264f999365605ccc60243e
Publikováno v:
Sensors, Vol 23, Iss 11, p 5197 (2023)
With the emergence of various Internet of Things (IoT) technologies, energy-saving schemes for IoT devices have been rapidly developed. To enhance the energy efficiency of IoT devices in crowded environments with multiple overlapping cells, the selec
Externí odkaz:
https://doaj.org/article/d28714032bda4add8a69f767c1ee01cd
Publikováno v:
IEEE Access, Vol 9, Pp 92345-92357 (2021)
This paper proposes a cooperative multi-agent online reinforcement learning-based (COMORL) bias offset (BO) control scheme for cell range expansion (CRE) in dense heterogeneous networks (HetNets). The proposed COMORL scheme controls BOs for CRE to ma
Externí odkaz:
https://doaj.org/article/08cf5a5df8d24fd28e4ff318d80aa7df
Publikováno v:
Nature Photonics. 14:95-101
Raman-based technologies have enabled many ground-breaking scientific discoveries related to surface science, single molecule chemistry and biology. For example, researchers have identified surface bound molecules by their Raman vibrational modes and
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
On-chip integrated photonics has been dominated by silicon devices for nearly two decades. Due to high optical absorption in the visible as well as carrier losses, pursuing applications in UV and visible wavelength ranges as well as mid-IR have been
Publikováno v:
Laser Resonators, Microresonators, and Beam Control XXIII.
Due to their high circulating intensities, ultra-high quality factor dielectric whispering-gallery mode resonators have enabled the development of low threshold Raman microlasers. Subsequently, other Raman-related phenomena, such as cascaded stimulat
Publikováno v:
Optics letters. 45(15)
Due to their high circulating intensities, ultra-high quality factor dielectric whispering-gallery mode resonators have enabled the development of low threshold Raman microlasers. Subsequently, other Raman-related phenomena, such as cascaded stimulat
Publikováno v:
Frontiers in Optics / Laser Science.
In this work, a microresonator is modified with an organic monolayer, allowing four orders of CSRS to be observed with sub-mW input power. The SARS efficiency is also improved by three orders of magnitude.
Autor:
Andre Kovach, Hossein Taheri, Andrea M. Armani, Hyungwoo Choi, Dongyu Chen, Mohammadreza Ghasemkhani, Jinghan He, Adil Han Dogan
The experimental realization of a Kerr frequency comb represented the convergence of research in materials, physics, and engineering, and this symbiotic relationship continues to underpin efforts in comb innovation today. While the initial focus deve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55b9ab6dd436fc8d5d44e5128710e85d