| Patent | Date |
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Function Split Structure For Mobile Convergence Optical Transmission Network And Method Of Providing Coordinated Multi-point Technology Using The Same
App 20220149953 - OH; Jung-yeol ; et al. | 2022-05-12 |
Multi-quiet Zone-based Optical Network Unit Registration Method For Low-latency Service
App 20220123837 - KIM; Kwang Ok ; et al. | 2022-04-21 |
Optical Network Using Optical Amplifier In Gain Saturation Region
App 20220045787 - LEE; Han Hyub ; et al. | 2022-02-10 |
Slice connection method of optical access network and optical access network system for slice connection
Grant 11,233,572 - Lee , et al. January 25, 2 | 2022-01-25 |
Integrated dynamic bandwidth allocation method and apparatus in passive optical networks
Grant 11,212,600 - Doo , et al. December 28, 2 | 2021-12-28 |
Method and apparatus for wavelength allocation for bidirectional optical access
Grant 11,088,774 - Lee , et al. August 10, 2 | 2021-08-10 |
Slice Connection Method Of Optical Access Network And Optical Access Network System For Slice Connection
App 20210159984 - LEE; Han Hyub ; et al. | 2021-05-27 |
Integrated Dynamic Bandwidth Allocation Method And Apparatus In Passive Optical Networks
App 20210160597 - DOO; Kyeong Hwan ; et al. | 2021-05-27 |
Method And Apparatus For Wavelength Allocation For Bidirectional Optical Access
App 20200366399 - LEE; Han Hyub ; et al. | 2020-11-19 |
Cooperatiave dynamic bandwidth allocation method in mobile network with optical network, and device of performing the cooperatiave dynamic bandwidth allocation method
Grant 10,827,240 - Chung , et al. November 3, 2 | 2020-11-03 |
Bandwidth allocation apparatus and method for providing low-latency service in optical network
Grant 10,735,129 - Doo , et al. | 2020-08-04 |
Cooperatiave Dynamic Bandwidth Allocation Method In Mobile Network With Optical Network, And Device Of Performing The Cooperatia
App 20200014992 - CHUNG; Hwan Seok ; et al. | 2020-01-09 |
Bandwidth Allocation Apparatus And Method For Providing Low-latency Service In Optical Network
App 20190356406 - DOO; Kyeong Hwan ; et al. | 2019-11-21 |
Optical network system using wavelength channels included in O-band
Grant 10,476,625 - Lee , et al. Nov | 2019-11-12 |
Optical network unit for optical transmission in burst mode
Grant 10,461,882 - Lee , et al. Oc | 2019-10-29 |
Optical line terminal efficiently utilizing multilane and passive optical network comprising the optical line terminal
Grant 10,461,874 - Kim , et al. Oc | 2019-10-29 |
Optical Network Unit For Optical Transmission In Burst Mode
App 20190305871 - LEE; Han Hyub ; et al. | 2019-10-03 |
Optical Line Terminal Efficiently Utilizing Multilane And Passive Optical Network Comprising The Optical Line Terminal
App 20190068307 - KIM; Kwang Ok ; et al. | 2019-02-28 |
Radio-over-fiber (RoF) transmission system
Grant 10,200,125 - Cho , et al. Fe | 2019-02-05 |
Passive optical network receiving and transmitting frame using multiple lanes
Grant 10,110,979 - Kim , et al. October 23, 2 | 2018-10-23 |
Host unit and radio unit for distributed antenna system supporting large data traffic
Grant 10,110,309 - Cho , et al. October 23, 2 | 2018-10-23 |
Analog optical transmission system using dispersion management technique
Grant 10,090,928 - Sung , et al. October 2, 2 | 2018-10-02 |
Apparatuses and methods for transmitting and receiving control signal in analog radio-over-fiber (ROF)-based mobile fronthaul
Grant 10,027,415 - Cho , et al. July 17, 2 | 2018-07-17 |
Host unit and remote radio head for distributed antenna system supporting large data traffic
Grant 10,020,890 - Cho , et al. July 10, 2 | 2018-07-10 |
Bidirectional optical element
Grant 10,003,427 - Park , et al. June 19, 2 | 2018-06-19 |
Passive optical network (PON) supporting fragmentation function of media access control (MAC) frame
Grant 9,998,808 - Kim , et al. June 12, 2 | 2018-06-12 |
Optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers for frequency division multiplexing (FDM) optical fiber link
Grant 9,998,222 - Han , et al. June 12, 2 | 2018-06-12 |
Host Unit And Radio Unit For Distributed Antenna System Supporting Large Data Traffic
App 20180152244 - CHO; Seung-Hyun ; et al. | 2018-05-31 |
Host Unit And Remote Radio Head For Distributed Antenna System Supporting Large Data Traffic
App 20180152246 - CHO; Seung-Hyun ; et al. | 2018-05-31 |
Optical Network System Using Wavelength Channels Included In O-band
App 20180123723 - LEE; Han Hyub ; et al. | 2018-05-03 |
Optical Signal Receiving Apparatus For Receiving Optical Signal In Burst Mode
App 20180062762 - MUN; Sil Gu ; et al. | 2018-03-01 |
Flexible printed circuit board for optical module
Grant 9,900,991 - Kang , et al. February 20, 2 | 2018-02-20 |
Passive Optical Network Receiving And Transmitting Frame Using Multiple Lanes
App 20180035183 - KIM; Kwang Ok ; et al. | 2018-02-01 |
Phase error compensating apparatus
Grant 9,804,327 - Park , et al. October 31, 2 | 2017-10-31 |
Phase Error Compensating Apparatus
App 20170293076 - PARK; Heuk ; et al. | 2017-10-12 |
Control apparatus and method for monitoring optical fiber link
Grant 9,787,395 - Chung , et al. October 10, 2 | 2017-10-10 |
Ethernet Passive Optical Network Sorting Frame Sequence
App 20170264387 - DOO; Kyeong Hwan ; et al. | 2017-09-14 |
Analog Optical Transmission System Using Dispersion Management Technique
App 20170250753 - SUNG; Min Kyu ; et al. | 2017-08-31 |
Optical Signal Transmission System And Method Of Allocating Center Frequencies Of Intermediate Frequency (if) Carriers For Frequency Division Multiplexing (fdm) Optical Fiber Link
App 20170244486 - HAN; Chan Gyo ; et al. | 2017-08-24 |
RADIO-OVER-FIBER (RoF) TRANSMISSION SYSTEM
App 20170126320 - CHO; Seung Hyun ; et al. | 2017-05-04 |
Passive Optical Network (pon) Supporting Fragmentation Function Of Media Access Control (mac) Frame
App 20170105061 - KIM; Kwang Ok ; et al. | 2017-04-13 |
Flexible Printed Circuit Board For Optical Module
App 20170086300 - KANG; Sae Kyoung ; et al. | 2017-03-23 |
Optical Demultiplexing Apparatus And Method For Multi-carrier Distribution
App 20160282560 - HUH; Joon Young ; et al. | 2016-09-29 |
Apparatuses And Methods For Transmitting And Receiving Control Signal In Analog Radio-over-fiber (rof)-based Mobile Fronthaul
App 20160285553 - CHO; Seung Hyun ; et al. | 2016-09-29 |
Control Apparatus And Method For Monitoring Optical Fiber Link
App 20160218801 - CHUNG; Hwan Seok ; et al. | 2016-07-28 |
Polarization control device and method
Grant 9,274,354 - Chang , et al. March 1, 2 | 2016-03-01 |
Multi-mode fiber-based optical transmission/reception apparatus
Grant 9,264,171 - Chang , et al. February 16, 2 | 2016-02-16 |
Optical pumping apparatus for few-mode fiber amplification
Grant 9,240,667 - Chang , et al. January 19, 2 | 2016-01-19 |
Optical Transmitting And Receiving Apparatus And Method Thereof Based On Multicarrier Differential Phase Shift Keying
App 20150372755 - CHUNG; Hwan Seok ; et al. | 2015-12-24 |
Optical transmitter and method thereof
Grant 9,191,121 - Chung , et al. November 17, 2 | 2015-11-17 |
Multicarrier based optical signal transmitting apparatus and optical signal receiving apparatus
Grant 8,995,843 - Chung , et al. March 31, 2 | 2015-03-31 |
Multi-mode Fiber-based Optical Transmission/reception Apparatus
App 20150030325 - CHANG; Sun-Hyok ; et al. | 2015-01-29 |
Optical Pumping Apparatus For Few-mode Fiber Amplification
App 20150015939 - CHANG; Sun-Hyok ; et al. | 2015-01-15 |
Polarization Control Device And Method
App 20140294333 - CHANG; Sun Hyok ; et al. | 2014-10-02 |
Optical Transmitter And Method Thereof
App 20140294401 - CHUNG; Hwan-Seok ; et al. | 2014-10-02 |
Apparatus And Method For Controlling Multicarrier Light Source Generator
App 20140199075 - HUH; Joon-Young ; et al. | 2014-07-17 |
OFDM receiver and method for compensating for I/Q imbalance
Grant 8,681,885 - Chung , et al. March 25, 2 | 2014-03-25 |
Coherent optical receiving apparatus and optical signal processing method
Grant 8,670,679 - Chung , et al. March 11, 2 | 2014-03-11 |
Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keying
Grant 8,565,620 - Chung , et al. October 22, 2 | 2013-10-22 |
Multicarrier Based Optical Signal Transmitting Apparatus And Optical Signal Receiving Apparatus
App 20130163992 - CHUNG; Hwan Seok ; et al. | 2013-06-27 |
Multi-core Optical Fiber, Wavelength Division Multiplexing Coupler, And Multi-core Optical Fiber Amplifier
App 20130163072 - CHANG; Sun Hyok ; et al. | 2013-06-27 |
Apparatus and method for cross-connecting optical path in wavelength division multiplexing system
Grant 8,406,625 - Chung , et al. March 26, 2 | 2013-03-26 |
Ofdm Optical Transmitter And Transmission Method, And Ofdm Optical Receiver And Reception Method
App 20130051804 - CHUNG; Hwan Seok ; et al. | 2013-02-28 |
Apparatus For Interfacing Between Dual-carrier Optical Transceiver And Wdm Optical Transmission Line
App 20120308236 - CHANG; Sun Hyok ; et al. | 2012-12-06 |
Digital equalization apparatus and method for coherent optical receiver
Grant 8,260,154 - Chang , et al. September 4, 2 | 2012-09-04 |
Optical Signal Controlling Apparatus And Method, And Optical Signal Generating Device Including The Optical Signal Controlling Apparatus
App 20120207480 - LEE; Jyung Chan ; et al. | 2012-08-16 |
Channel assignment method and apparatus for wavelength-division-multiplexed transmission system
Grant 8,224,190 - Chung , et al. July 17, 2 | 2012-07-17 |
Coherent Optical Receiving Device Capable Of Digital Equalization Of Optical Input, Digital Equalization Method For Optical Input And Coherent Optical Transmitting/receiving Device
App 20120148265 - CHANG; Sun-Hyok ; et al. | 2012-06-14 |
Apparatus And Method For Transmitting Light, And Apparatus And Method For Receiving Light
App 20120121264 - Chung; Hwan Seok ; et al. | 2012-05-17 |
Multi-degree cross-connector system, operating method and optical communication network using the same
Grant 8,155,521 - Chung , et al. April 10, 2 | 2012-04-10 |
Coherent Optical Receiving Apparatus And Optical Signal Processing Method
App 20120070149 - CHUNG; Hwan Seok ; et al. | 2012-03-22 |
Multi-ring network operating method and system
Grant 8,116,623 - Chung , et al. February 14, 2 | 2012-02-14 |
Apparatus For Receiving Optical Signal And Method Of Controlling Phase Offset For Differential Quadrature Phase Shift Keying
App 20120020676 - Chung; Hwan-Seok ; et al. | 2012-01-26 |
Apparatus and method for protection switching of optical channel
Grant 8,036,527 - Chang , et al. October 11, 2 | 2011-10-11 |
Optical node for mesh-type WDM optical network
Grant 8,009,986 - Chang , et al. August 30, 2 | 2011-08-30 |
Ofdm Receiver And Method For Compensating For I/q Imbalance
App 20110090992 - CHUNG; Hwan-Seok ; et al. | 2011-04-21 |
Ofdm Optical Transmitter And Optical Transmission Method
App 20110026924 - Chung; Hwan-Seok ; et al. | 2011-02-03 |
Digital Equalization Apparatus And Method For Coherent Optical Receiver
App 20110008059 - Chang; Sun-hyok ; et al. | 2011-01-13 |
Channel Express/add Optical Module And Channel Express/add Method In Optical Add/drop Multiplexer Node Using The Same
App 20100329684 - LEE; Sang Soo ; et al. | 2010-12-30 |
Device and method of swapping optical labels and reproducing optical payload and optical switching device using the device
Grant 7,848,650 - Chung , et al. December 7, 2 | 2010-12-07 |
Photonic cross-connector system, WDM system using the same photonic cross-connector, and optical communication network based on the same WDM system
Grant 7,751,710 - Chung , et al. July 6, 2 | 2010-07-06 |
Channel Assignment Method And Apparatus For Wavelength-division-multiplexed Transmission System
App 20100158531 - CHUNG; Hwan-seok ; et al. | 2010-06-24 |
Optical Transmitting Apparatus For Return-to-zero Differential Phase-shift-keying (rz-dpsk) Or Return-to-zero Differential Quadrature Phase Shift Keying (rz-dqpsk)
App 20100150576 - Chung; Hwan-seok ; et al. | 2010-06-17 |
Optical Transceiver Optimizing Transfer Characteristic Of Optical Interferometer And Method Of Optimizing Transfer Characteristic Of Optical Interferometer Of Optical Transceiver
App 20100150568 - Lee; Joon Ki ; et al. | 2010-06-17 |
Optical Transmission Apparatus With Stable Optical Signal Output
App 20100142964 - Chang; Sun-hyok ; et al. | 2010-06-10 |
Apparatus For Synchronizing Digital Signals Of Coherent Optical Receiver
App 20100142971 - Chang; Sun-hyok ; et al. | 2010-06-10 |
Apparatus And Method For Cross-connecting Optical Path In Wavelength Division Multiplexing System
App 20100092172 - Chung; Hwan-seok ; et al. | 2010-04-15 |
Multi-degree Cross-connector System, Operating Method And Optical Communication Network Using The Same
App 20100027996 - Chung; Hwan-Seok ; et al. | 2010-02-04 |
Network Apparatus And Method For Guaranteeing Role Of Optical Supervisory Channel
App 20090080892 - Chang; Sun-hyok ; et al. | 2009-03-26 |
Apparatus And Method For Monitoring Quality Of Optical Signal
App 20090060499 - Chung; Hwan-seok ; et al. | 2009-03-05 |
Apparatus And Method For Protection Switching Of Optical Channel
App 20090060504 - Chang; Sun-hyok ; et al. | 2009-03-05 |
Multi-ring Network Operating Method And System
App 20080317466 - Chung; Hwan-Seok ; et al. | 2008-12-25 |
Device and method of swapping optical labels and reproducing optical payload and optical switching device using the device
App 20080138081 - Chung; Hwan Seok ; et al. | 2008-06-12 |
Optical Network Node Device
App 20080131130 - CHANG; Sun Hyok ; et al. | 2008-06-05 |
Optical node for mesh-type WDM optical network
App 20080118245 - Chang; Sun Hyok ; et al. | 2008-05-22 |
Apparatus and method for reducing signal noise and OCDMA receiver and method
Grant 7,356,220 - Chung , et al. April 8, 2 | 2008-04-08 |
Photonic Cross-connector System, Wdm System Using The Same Photonic Cross-connector, And Optical Communication Network Based On The Same Wdm System
App 20080080861 - CHUNG; Hwan Seok ; et al. | 2008-04-03 |
Apparatus and method for reducing signal noise and OCDMA receiver and method
App 20070097854 - Chung; Hwan Seok ; et al. | 2007-05-03 |
Wavelength-division-multiplexed metro optical network
App 20040179844 - Chung, Yun Chur ; et al. | 2004-09-16 |
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