Inventor

CHANG KYUNG HI

KR31 patents

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

CHANG KYUNG HI

KOREA ELECTRONICS TELECOMM

Apparatus and method for signal constitution for downlink of OFDMA-based cellular system

Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same

Simplified message-passing decoder for low-density parity-check codes

Adaptive transmission and receiving method and device in wireless communication system with multiple antennas

Hardware-efficient demodulator for CDMA adaptive antenna array systems

Frequency hopping ofdma method using symbols of comb pattern

Transmitting and receiving method for reducing distortion caused by a time-varying channel in an orthogonal frequency division multiplex system

Two-dimensional demodulator in spread spectrum code division multiple access system with antenna array

Adaptive transmission and receiving method and device in wireless communication system with multiple antennas

Method and apparatus for searcher beamforming in CDMA base station system using array antenna

Sectored array antenna CDMA system for improved softer handoff

Digital filter for software-defined radio system, digital intermediate frequency signal processing apparatus having the digital filter, and method thereof

Method and device for performing soft decision decoding on Reed-Muller codes using decision by majority

Hardware-efficient demodulator for CDMA adaptive antenna array systems

Frequency hopping method in orthogonal frequency division multiplexing system

Hybrid multi-user interference cancellation method and device using clustering algorithm based on dynamic programming

Apparatus and method for multi-path search using dual code generators

CHANG KYUNG HI

Method for dynamic resource allocation of uplink and downlink in OFDMA/TDD cellular system

Ranging apparatus and method for improving ranging performance in OFDMA system

Method and apparatus for retransmitting data based on antenna scheduling in MIMO system

Adaptive QRD-M algorithm based signal detecting method by using constellation set grouping in spatial multiplexing multiple-input multiple-output system

INTELLECTUAL DISCOVERY CO LTD

System and method to mitigate interference of 3GPP LTE heterogeneous network according to priority of service

Apparatus and method for mitigation/removal of interference between macro-cell and femto-cell

System and method to allocate frequency dynamically based on priority of quality of experience (QoE) in 3GPP LTE heterogeneous network

KIM YUN-HEE

Adaptive transmission and receiving method and device in wireless communication system with multiple antennas

Adaptive transmission and receiving method and device in wireless communication system with multiple antennas

INHA IND PARTNERSHIP INST

System and method for co-channel interference cancellation in cellular OFDM systems

Synchronization apparatus and method for improving timing estimation performance in OFDM-FDMA/CDMA/TDMA system

LEE HEE-SOO

Dynamic resource allocation method based on frequency reuse partitioning for OFMDA/FDD system, and frame transmission method therefor

INHA—INDUSTRY PARTNERSHIP INST

Method and apparatus for interference-aware resource-sharing scheme for multiple D2D group communications underlaying cellular networks

LEE SOK-KYU

Apparatus and method for signal constitution for downlink of OFDMA-based cellular system