Inventor

CHUNG HWAN-SEOK

KR45 patents

⚠️ This page may combine multiple inventors who share the name “CHUNG HWAN-SEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHUNG HWAN-SEOK

ELECTRONICS & TELECOMMUNICATIONS RES INST

Optical network using optical amplifier in gain saturation region

Method and apparatus for wavelength allocation for bidirectional optical access

Radio-over-fiber (RoF) transmission system

Passive optical network receiving and transmitting frame using multiple lanes

Host unit and radio unit for distributed antenna system supporting large data traffic

Passive optical network (PON) supporting fragmentation function of media access control (MAC) frame

Flexible printed circuit board for optical module

Function split structure for mobile convergence optical transmission network and method of providing coordinated multi-point technology using the same

Integrated dynamic bandwidth allocation method and apparatus in passive optical networks

Apparatuses and methods for transmitting and receiving control signal in analog radio-over-fiber (ROF)-based mobile fronthaul

Control apparatus and method for monitoring optical fiber link

Analog optical transmission system using dispersion management technique

Method of bandwidth allocation for transmitting mobile data and network device

Slice connection method of optical access network and optical access network system for slice connection

Cooperatiave dynamic bandwidth allocation method in mobile network with optical network, and device of performing the cooperatiave dynamic bandwidth allocation method

Optical network unit for optical transmission in burst mode

Optical line terminal efficiently utilizing multilane and passive optical network comprising the optical line terminal

Power management method and apparatus of ONU supporting slicing function

Bandwidth allocating apparatus and method for providing low-latency fronthaul service in passive optical network

Burstmode optical transmitter

Optical network system using wavelength channels included in O-band

Host unit and remote radio head for distributed antenna system supporting large data traffic

Bidirectional optical element

Phase error compensating apparatus

Multi-quiet zone-based optical network unit registration method for low-latency service

Optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers for frequency division multiplexing (FDM) optical fiber link

Bandwidth allocation apparatus and method for providing low-latency service in optical network

KOREA ELECTRONICS TELECOMM

Multi-mode fiber-based optical transmission/reception apparatus

Optical node for mesh-type WDM optical network

Apparatus and method for protection switching of optical channel

Photonic cross-connector system, WDM system using the same photonic cross-connector, and optical communication network based on the same WDM system

Apparatus and method for reducing signal noise and OCDMA receiver and method

Optical pumping apparatus for few-mode fiber amplification

Optical transmitter and method thereof

Device and method of swapping optical labels and reproducing optical payload and optical switching device using the device

Polarization control device and method

CHUNG HWAN-SEOK

OFDM receiver and method for compensating for I/Q imbalance

Multi-degree cross-connector system, operating method and optical communication network using the same

Apparatus and method for cross-connecting optical path in wavelength division multiplexing system

Multi-ring network operating method and system

Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keying

Channel assignment method and apparatus for wavelength-division-multiplexed transmission system

CHUNG HWAN SEOK

Coherent optical receiving apparatus and optical signal processing method

Multicarrier based optical signal transmitting apparatus and optical signal receiving apparatus

CHANG SUN-HYOK

Digital equalization apparatus and method for coherent optical receiver