Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Woo‐Jin Byun"'
Distributed beamforming with one‐bit feedback and clustering for multi‐node wireless energy transfer
Publikováno v:
ETRI Journal, Vol 43, Iss 2, Pp 221-231 (2021)
AbstractTo resolve energy depletion issues in massive Internet of Things sensor networks, we developed a set of distributed energy beamforming methods with one‐bit feedback and clustering for multi‐node wireless energy transfer, where multiple si
Externí odkaz:
https://doaj.org/article/7c471e547c454f82a4da0e5181819fa0
Publikováno v:
ETRI Journal, Vol 39, Iss 4, Pp 535-545 (2017)
This paper presents a novel K‐band (18 GHz) 16‐quadrature amplitude modulation (16‐QAM) orthogonal frequency‐division multiplexing (OFDM)‐based 2 × 2 line‐of‐sight multi‐input multi‐output communication system. The system can deliv
Externí odkaz:
https://doaj.org/article/8f60fbd0c346407c8d6db4254734928a
Publikováno v:
International Journal of Antennas and Propagation, Vol 2014 (2014)
A temporal millimeter wave propagation model for tunnels is presented using ray frustum techniques and fast Fourier transform (FFT). To directly estimate or simulate effects of millimeter wave channel properties on the performance of communication se
Externí odkaz:
https://doaj.org/article/0530e2f1e22648928f1607a78119e424
Autor:
Ganghong Bae, Woo Jin Byun, Jin Ho Lee, Min Hee Lee, Yeji Choi, Jae Young Kim, Duck Hyun Youn
Publikováno v:
Nanomaterials, Vol 14, Iss 12, p 1024 (2024)
A composite material of tungsten carbide and mesoporous carbon was synthesized by the sol-gel polycondensation of resorcinol and formaldehyde, using cetyltrimethylammonium bromide as a surfactant and Ludox HS-40 as a porogen, and served as a support
Externí odkaz:
https://doaj.org/article/d9c5fd6237e9470981b374817d2ffdbf
Autor:
Kyoungwoong Kang, Chenke Tang, Jeong Hun Kim, Woo Jin Byun, Jin Ho Lee, Min Hee Lee, Hemin Zhang, Jae Sung Lee
Publikováno v:
ACS Catalysis. 13:7002-7012
Autor:
Je Min Yu, Jaejung Song, Young Kyeong Kim, Jiyeon Oh, Kwang Young Kim, Woo Yeong Noh, Woo Jin Byun, Jin Uk Lee, Changduk Yang, Ji-Wook Jang, Jae Sung Lee, Seungho Cho
Publikováno v:
Nano Letters.
Publikováno v:
Energies, Vol 14, Iss 5, p 1299 (2021)
A mesoporous MnOx network (MMN) structure and MMN/C composites were prepared and evaluated as anodes for high-energy and high-rate lithium-ion batteries (LIB) in comparison to typical manganese oxide nanoparticle (MnNP) and graphite anodes, not only
Externí odkaz:
https://doaj.org/article/c9dc38f5c94144e09b46f0fd9add93c5
A numerically efficient method of shooting and bouncing rays for sparse particles (SBR-SP) is presented to analyze a large two-dimensional (2D) array of magnetodielectric circular cylinders which are distributed with any positions, sizes, and media o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::904618e40141661bf5af9dd709e6cfff
https://doi.org/10.36227/techrxiv.22064759.v1
https://doi.org/10.36227/techrxiv.22064759.v1
Publikováno v:
Nanoscale Advances. 4:1659-1667
A novel two-step co-doping strategy of in situ F− anion, followed by ex situ Ti4+ cation promotes the hematite photoanode for water splitting much more effectively than single-step co-doping strategies that are either all in situ or all ex situ.
Publikováno v:
IEEE Systems Journal. 15:4623-4634
In this article, to get a high-resolution radar image with distributed frequency modulated continuous waveform multiple-input–multiple-output (FMCW MIMO) radar, Bayesian matching pursuit (BMP)-based imaging methods are proposed, in which the receiv