Patents
■ "Visible light transmitter, visible ight receiver, visible light communication system thereof", 10-1105738, 6th Jan. 2012
■ "Cooperative multi hop relay apparatus and method thereof", 10-1072454, 5th Oct. 2011
■ "Method for precoding transmitting in a multi antenna system of closed loop scheme and thereof receiver and transmitter", 10-1072453, 5th Oct. 2011
■ "SC-FDMA system with codebook-based equal gain transmission precoding system", 10-1055685, 3rd Aug. 2011
■ "Method for searching codebook index in a multi antenna system of closed loop scheme thereof receiver", 10-1042170, 10th Jun. 2011
■ "Method for estimating frequency of maximum doppler for codebook-based beamforming scheme", 10-1027650, 31th Mar. 2011
■ "Roaming femto cell service system and method", 10-1001348, 8th Dec. 2010
■ "A fast index search algorithm for codebook-based beamforming scheme", 10-0958917, 12th May 2010
■ "SFTC-OFDM telecommunication system and receiver of the same", 10-0897363, 6th May 2009
■ "Terminal equipped with the USIM card locking apparatus", 10-0836576, 3rd Jun. 2008
■ "Space-time coded cooperative diversity relaying communication system", 10-0782905, 30th Nov. 2007
■ "Apparatus for controlling athletic equipment using optical sensor", 2nd Nov. 2007
■ "Running machine speed control apparatus and method", 10-0733455, 22th Jun. 2007
■ "M-ary state shift frequency shift keying method for improving the synchronization performance of demodulator, and frequency shift keying system using the same", 10-0663137, 22th Dec. 2006