Inventor

CHANG DAE-IG

KR31 patents

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

CHANG DAE-IG

KOREA ELECTRONICS TELECOMM

Soft decision decoder, and log likelihood ratio calculator and method thereof for enhanced performance in soft decision decoding

Apparatus and method for deciding transmission format using variable frame length and decoding method using the same

Frame synchronization method based on differential correlation information in satellite communication system

Apparatus and method for demodulation using detection of channel adaptive modulation scheme

Soft decision demapping method suitable for higher-order modulation for iterative decoder and error correction apparatus using the same

Apparatus for adaptive resolution of phase ambiguity value

Apparatus for independently extracting streams from hierarchically-modulated signal and performing soft-decision, and method thereof

Repetition apparatus and method for repeatedly transmitting and receiving data packet using different puncturing patterns

Decoding method for detecting PLSC from frames of satellite broadcasting system

Decoding apparatus and method based on variable error correction value

Apparatus and method for correcting frequency offset in satellite digital video broadcasting system

LEE IN KI

MPE-FEC RS decoder and decoding method thereof

Source-channel combined coding method and satellite broadcasting system using the same

Method for generating and processing hierarchical PES packet for digital satellite broadcasting based on SVC video

KIM PAN-SOO

Frame synchronization and structure detection method in DVB-S2 system

Method for detecting frame synchronization and structure in DVB-S2 system

HONG HYUN-HA

Method for handover between heterogeneous networks using link trigger signal in multi-interface mobile router

Apparatus for controlling handover between heterogeneous networks, method of performing handover between heterogeneous networks, and mobile router

KIM PAN SOO

Dual mode satellite very small aperture terminal apparatus and controlling method thereof

Terminal transmission apparatus for providing multimedia service via satellite communication link and method for providing multimedia service using the same

KIM PANSOO

Apparatus and method for selecting correlation scheme based on carrier frequency error

Apparatus and method for estimating phase error based on variable step size

CHOI EUN-A

LDPC decoding apparatus and method using type-classified index

HONG HYUN HA

Method and system for fast layer 3 hand-over

KIM TAE HOON

Method and system for effective adaptive coding and modulation in satellite communication system

ELECTRONICS & TELECOMMUNICATIONS RES INST

Apparatus and method for accessing star network/mesh network of time division multiple access (TDMA)/single channel per carrier (SCPC) integrated satellite communication

CHANG DAE-IG

Apparatus and method for generating soft bit metric and M-ary QAM receiving system using the same

CHANG DAE IG

Bits-to-symbol mapping method for 4+12+16 APSK modulation

RYU JOON-GYU

Phase locked loop and satellite communication terminal using the same

LEE NAM KYUNG

Method and apparatus for routing in wireless network

SHIN MIN SU

Apparatus for mobile satellite communications and method of controlling communications route