Search Results - "Han Hyub Lee"
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1
QoE enhancement schemes for video in converged OFDMA wireless networks and EPONS
Published in Journal of optical communications and networking (01-03-2018)“…Bandwidth requirements of both wireless and wired clients in access networks continue to increase rapidly, primarily due to the growth of video traffic…”
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Journal Article -
2
First Commercial Deployment of a Colorless Gigabit WDM/TDM Hybrid PON System Using Remote Protocol Terminator
Published in Journal of lightwave technology (15-02-2010)“…Colorless gigabit wavelength-division-multiplexing (WDM)/time-division-multiplexing (TDM) hybrid passive optical network (PON) using a remote protocol…”
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3
Energy-Efficient Virtual Base Station Formation in Optical-Access-Enabled Cloud-RAN
Published in IEEE journal on selected areas in communications (01-05-2016)“…In recent years, the increasing traffic demand in radio access networks (RANs) has led to considerable growth in the number of base stations (BSs), posing a…”
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Journal Article -
4
Green Virtual Base Station in optical-access-enabled Cloud-RAN
Published in 2015 IEEE International Conference on Communications (ICC) (01-06-2015)“…In recent years, the increasing traffic demand in radio access networks (RAN) has led to considerable growth of the number of base stations (BS), posing a…”
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Conference Proceeding -
5
High Speed and Low Latency Passive Optical Network for 5G Wireless Systems
Published in Journal of lightwave technology (15-06-2019)“…To meet the latency and bandwidth requirements of 5G mobile services and next-generation residential/business services, we present high speed and low-latency…”
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Journal Article -
6
Energy Saving via Dynamic Wavelength Sharing in TWDM-PON
Published in IEEE journal on selected areas in communications (01-08-2014)“…Time- and wavelength-division multiplexed passive optical network allows wavelength sharing by optical network units (ONUs) in a time-division multiplexing…”
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7
Dynamic bandwidth and wavelength allocation scheme for next-generation wavelength-agile EPON
Published in Journal of optical communications and networking (01-03-2017)“…Recently, the IEEE 802.3 Ethernet Working Group has classified three architectures for the nextgeneration Ethernet passive optical network (NG-EPON). They are…”
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8
All-optical gain-clamped EDFA using external saturation signal for burst-mode upstream in TWDM-PONs
Published in Optics express (28-07-2014)“…While the gain-transient suppression of erbium-doped fiber amplifiers (EDFAs) has been widely studied, the large interval between upstream burst-mode signals…”
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Handover reduction in virtualized cloud radio access networks using TWDM-PON fronthaul
Published in Journal of optical communications and networking (01-12-2016)“…To meet challenging 5G capacity requirements, operators are densifying their cellular networks by deploying additional small cells to cover hot spots, and such…”
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10
Demonstrations of RSOA based loop-back WDM-PON with 100 Gb/s (80 × 1.25 Gb/s) capacity employing spectrum sliced incoherent light injection
Published in 36th European Conference and Exhibition on Optical Communication (01-09-2010)“…We have successfully demonstrated a loop-back WDM-PON with a 100 Gb/s (80 × 1.25 Gb/s) capacity using spectrally sliced ASE injected RSOA. To mitigate the RIN…”
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Conference Proceeding -
11
Efficient Excess Intensity Noise Suppression of 100-GHz Spectrum-Sliced WDM-PON With a Narrow-Bandwidth Seed Light Source
Published in IEEE photonics technology letters (15-10-2010)“…In spectrum-sliced wavelength-division-multiplexing (WDM) passive optical networks (PONs) based on injection-seeded reflective semiconductor optical…”
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12
Application-aware software-defined EPON access network
Published in Photonic network communications (01-12-2015)“…As bandwidth requirements of users in passive optical networks continue to increase rapidly, especially due to the growth of video-streaming traffic, the need…”
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13
A low-noise L-band EDFA with a 1500-nm Raman-pumped dispersion-compensating fiber section
Published in IEEE photonics technology letters (01-04-2003)“…This report presents a low-noise L-band erbium-doped fiber amplifier (EDFA) with a dispersion-compensating Raman amplifier. With an optimized prestage and…”
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14
On the performance of Hybrid-PON scheduling strategies for NG-EPON
Published in 2016 International Conference on Optical Network Design and Modeling (ONDM) (01-05-2016)“…To effectively schedule transmissions in NG-EPON, Hybrid-PON is further classified into MSD-PON, SSD-PON, and WA-PON depending on their different access…”
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Conference Proceeding -
15
Loop-back WDM-PON with 100 Gb/s capacity using spectrally sliced ASE injected RSOA
Published in Journal of optical communications and networking (01-05-2013)“…We experimentally investigated the 1.25 Gb/s operation of a spectrally sliced amplified spontaneous emission (ASE) injected reflective semiconductor optical…”
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Journal Article -
16
Optical access technologies for 5G mobile communication networks
Published in 2017 IEEE Photonics Society Summer Topical Meeting Series (SUM) (01-07-2017)“…We reviews optical access technologies for 5G mobile communication networks such as mobile data compression, high-speed passive optical network (PON), and…”
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Conference Proceeding -
17
Application-aware software-defined EPON access network
Published in 2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS) (01-12-2014)“…As bandwidth requirements of access networks continue to increase rapidly, especially due to the growth of streaming traffic, the need for resolving bandwidth…”
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Conference Proceeding -
18
Handover reduction via mobility-prediction-based VPON formation in optical-access-enabled cloud-RAN
Published in 2015 Optical Fiber Communications Conference and Exhibition (OFC) (01-01-2015)“…Next-generation radio-access networks will experience excessive handover due to shrinking cell sizes (to support more users) and increasing user mobility. We…”
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Conference Proceeding -
19
Field Trial of Remotely Controlled Smart Factory based on PON Slicing and Disaggregated OLT
Published in 2022 European Conference on Optical Communication (ECOC) (18-09-2022)“…Field trial of remotely controlled 5G smart factory was demonstrated by PON slicing and disaggregated OLT, for the first time. PON slicing is realized by…”
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Conference Proceeding -
20
Semiconductor Optical Amplifiers for FTTx
Published in 2007 9th International Conference on Transparent Optical Networks (01-07-2007)“…Access networking is a hot topic. After Japan and Korea, demand is now picking up also in Europe and the US. After cherry-picking the easy installs, operators…”
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Conference Proceeding