Inventor
YU CHANG-WAHN
KR25 patents
⚠️ This page may combine multiple inventors who share the name “YU CHANG-WAHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
8 patentsUS7477190B2Jan 13, 2009
Smart antenna beamforming device in communication system and method thereof
SAMSUNG ELECTRONICS CO LTD9 citations82
US7817707B2Oct 19, 2010
Apparatus and method for generating ranging pseudo noise code
SAMSUNG ELECTRONICS CO LTD3 citations62
US7742391B2Jun 22, 2010
Apparatus and method for estimating frequency offset
SAMSUNG ELECTRONICS CO LTD2 citations62
US8040980B2Oct 18, 2011
Log likelihood ratio calculation method, transmit signal detection method, and receiver
SAMSUNG ELECTRONICS CO LTD0 citations51
US8036322B2Oct 11, 2011
Method of calculating log-likelihood ratio and method of detecting transmission signal
SAMSUNG ELECTRONICS CO LTD1 citations51
US8379691B2Feb 19, 2013
Method and apparatus for estimating channel in mobile communication network
SAMSUNG ELECTRONICS CO LTD0 citations50
US7899138B2Mar 1, 2011
Method of detecting space-time code in mobile communication system with 4 Tx antenna
SAMSUNG ELECTRONICS CO LTD1 citations49
US7782989B2Aug 24, 2010
Apparatus and method for acquiring frame timing in communication system
SAMSUNG ELECTRONICS CO LTD0 citations40
KOREA ELECTRONICS TELECOMM
4 patentsUS7428267B2Sep 23, 2008
Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof
KOREA ELECTRONICS TELECOMM29 citations92
US7515641B2Apr 7, 2009
Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system
KOREA ELECTRONICS TELECOMM14 citations84
US7302022B2Nov 27, 2007
Automatic gain control device and method in orthogonal frequency division multiplexing system with DC offset compensation function, and recording medium storing program containing the method
KOREA ELECTRONICS TELECOMM9 citations74
US7126925B2Oct 24, 2006
Apparatus and method for multi-path search using dual code generators
KOREA ELECTRONICS TELECOMM0 citations41
YU CHANG WAHN
3 patentsUS8559566B2Oct 15, 2013
Method and apparatus for decomposing received symbol signal modulated with bit reflected gray code in bit information
YU CHANG WAHN3 citations59
US8767853B2Jul 1, 2014
Apparatus and method for controlling distortion signal and system by using the same
YU CHANG WAHN0 citations50
US10321426B2Jun 11, 2019
Apparatus and method for detecting synchronization and signals using block data processing
YU CHANG WAHN0 citations38
ELECTRONICS & TELECOMMUNICATIONS RES INST
3 patentsUS11917669B2Feb 27, 2024
Method and apparatus for transmitting and receiving signal for cooperative transmission in communication system
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations52
US11677452B2Jun 13, 2023
Method and apparatus for transmitting and receiving signal for terminal-centric cooperative transmission
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations52
US10148478B2Dec 4, 2018
Apparatus and method for estimating channel in wireless local area network (WLAN) system
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations42