Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Hwan Seok Chung"'
Autor:
Han Hyub Lee, Kyeong-Hwan Doo, Hwan Seok Chung, Gap-Yeol Moon, Kwang-Ok Kim, Jung-Yeol Oh, Soo-Hyun Baek
Publikováno v:
Journal of Lightwave Technology. 39:2762-2768
Increasing mobile traffic and smart devices require continuous expansion of optical access network capacity and easy optical connectivity for residential, business, and mobile services. A high-speed TDM-PON system with high power budget is an attract
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c9385a03d6ce893b3378539d03cb4dc
https://doi.org/10.1109/jlt.2021.3059902
https://doi.org/10.1109/jlt.2021.3059902
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 45:444-448
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::595c605b629b8177a039d1babf5bd735
https://doi.org/10.7840/kics.2020.45.2.444
https://doi.org/10.7840/kics.2020.45.2.444
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 45:449-457
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69613fcee13a0e3d1c131cc67ac88da1
https://doi.org/10.7840/kics.2020.45.2.449
https://doi.org/10.7840/kics.2020.45.2.449
Autor:
Kwang-Ok Kim, Heuk Park, Hwan Seok Chung, Kyeong-Hwan Doo, Jung-Yeol Oh, Han Hyub Lee, Seunghwan Kim
Publikováno v:
Journal of Lightwave Technology. 37:2873-2882
To meet the latency and bandwidth requirements of 5G mobile services and next-generation residential/business services, we present high speed and low-latency passive optical network (PON) enabled by time controlled-tactile optical access (TIC-TOC) te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8538721822d1604d36bead561c8ceb60
https://doi.org/10.1109/jlt.2018.2866805
https://doi.org/10.1109/jlt.2018.2866805
Publikováno v:
Optics Communications. 435:129-133
We demonstrate the improvement of the optical power budget in multi-intermediate frequency over fiber (IFoF) based indoor-distributed antenna system (DAS) with 48 IF carriers of LTE-A signal using laser over-modulation. The laser over-modulation can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36eb86a6f5e469848972350317cd30eb
https://doi.org/10.1016/j.optcom.2018.11.024
https://doi.org/10.1016/j.optcom.2018.11.024
Publikováno v:
OFC
We review TDM-PON based optical access for 5G and tactile internet applications, and introduce recent feasibility studies based on high-capacity and low latency TDM-PON. Lessons learned from the tactile internet testbed are also discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcd9587a6d3039b1afbdbfd3832f383d
https://doi.org/10.1364/ofc.2021.tu1j.1
https://doi.org/10.1364/ofc.2021.tu1j.1
Publikováno v:
OSA Advanced Photonics Congress 2021.
We review optical access technologies for tactile internet accommodating bandwidth intensive as well as low-latency services such as smart factory, remote robot control and AR/VR. Recent feasibility demonstration of tactile internet testbed is also i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb955ed8b9c3bc8ec638d5edaed3e065
https://doi.org/10.1364/networks.2021.nem1c.4
https://doi.org/10.1364/networks.2021.nem1c.4
Publikováno v:
Journal of Lightwave Technology. 36:601-609
In this study, we demonstrate the intermediate-frequency-over-fiber (IFoF) based mobile fronthaul technology implemented in a 28-GHz millimeter-wave (mmWave) based 5G prototype supporting Giga-bit mobile broadband services. In order to confirm the te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::091d264cc9d9b6ad4cd8c576144c5adb
https://doi.org/10.1109/jlt.2017.2763156
https://doi.org/10.1109/jlt.2017.2763156
Autor:
Massimo Tornatore, Hwan Seok Chung, Cicek Cavdar, Xinbo Wang, Soo Myung Park, Lin Wang, Biswanath Mukherjee, Han Hyub Lee
Publikováno v:
IEEE Communications Magazine. 55:202-209
Current radio access networks (RANs) need to evolve to handle diverse service requirements coming from the growing number of connected devices and increasing data rates for the upcoming 5G era. Incremental improvements on traditional distributed RANs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::833c1e2e47c61d526ef1d549f9eed6bb
https://doi.org/10.1109/mcom.2017.1600866
https://doi.org/10.1109/mcom.2017.1600866
Autor:
Sun Young Jung, Sang-Kook Han, Hwan Seok Chung, Jong Hyun Lee, Hyoung Joon Park, Dong Woo Kwon, Seung-Hyun Cho
Publikováno v:
IEEE Photonics Technology Letters. 28:2708-2711
We propose and experimentally demonstrate a blind adaptive equalizer for a multiband (MB) orthogonal frequency-division multiplexing (OFDM) radio-over-fiber (RoF) system. The proposed equalizer adaptively decreases nonlinear and linear distortion, wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a52edaa3fffea3d7ddd76a620ff4aada
https://doi.org/10.1109/lpt.2016.2615313
https://doi.org/10.1109/lpt.2016.2615313