Patent | Date |
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Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme Grant 8,462,865 - Cho , et al. June 11, 2 | 2013-06-11 |
Apparatus and method for improving reception performance in a smart antenna system Grant 8,320,306 - Kim , et al. November 27, 2 | 2012-11-27 |
Apparatus and method for assigning subchannels in an OFDMA communication system Grant 8,223,704 - Hwang , et al. July 17, 2 | 2012-07-17 |
Apparatus and method for transmitting/receiving channel quality information in a communication system Grant 8,090,012 - Cho , et al. January 3, 2 | 2012-01-03 |
Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme Grant 7,991,062 - Cho , et al. August 2, 2 | 2011-08-02 |
Apparatus And Method For Transmitting A Sub-channel Signal In A Communication System Using An Orthogonal Frequency Division Multiple Access Scheme App 20110149716 - CHO; Jae-Hee ;   et al. | 2011-06-23 |
Apparatus and method for adaptively changing uplink power control scheme according to mobile status in a TDD mobile communication system Grant 7,907,915 - Cho , et al. March 15, 2 | 2011-03-15 |
Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme Grant 7,715,483 - Cho , et al. May 11, 2 | 2010-05-11 |
Apparatus and method for selective power control for an OFDM mobile communication system Grant 7,711,386 - Sung , et al. May 4, 2 | 2010-05-04 |
Method for allocating a subchannel in an orthogonal frequency division multiple access cellular communication system Grant 7,668,253 - Hwang , et al. February 23, 2 | 2010-02-23 |
Apparatus and method for channel estimation in an SDMA-OFDM system Grant 7,647,073 - Sung , et al. January 12, 2 | 2010-01-12 |
Apparatus and method for assigning subchannels in an OFDMA communication system Grant 7,633,900 - Hwang , et al. December 15, 2 | 2009-12-15 |
Apparatus And Method For Transmitting/receiving Channel Quality Information In A Communication System App 20090303900 - CHO; Jae-Hee ;   et al. | 2009-12-10 |
Apparatus and method for estimating interference and noise in a communication system Grant 7,623,569 - Chang , et al. November 24, 2 | 2009-11-24 |
Apparatus And Method For Adaptively Changing Uplink Power Control Scheme According To Mobile Status In A Tdd Mobile Communication System App 20090262670 - CHO; Jae-Hee ;   et al. | 2009-10-22 |
Apparatus and method for estimating a carrier-to-interference-and-noise ratio in a communication system Grant 7,606,299 - Chang , et al. October 20, 2 | 2009-10-20 |
Apparatus and method for transmitting/receiving channel quality information in a communication system Grant 7,602,843 - Cho , et al. October 13, 2 | 2009-10-13 |
Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system Grant 7,580,400 - Sung , et al. August 25, 2 | 2009-08-25 |
Apparatus and method for detecting ranging signal in an orthogonal frequency division multiple access mobile communication system Grant 7,564,909 - Sung , et al. July 21, 2 | 2009-07-21 |
Apparatus and method for cell acquisition and downlink synchronization acquisition in a wireless communication system Grant 7,561,628 - Sung , et al. July 14, 2 | 2009-07-14 |
Apparatus and method for adaptively changing uplink power control scheme according to mobile status in a TDD mobile communication system Grant 7,558,535 - Cho , et al. July 7, 2 | 2009-07-07 |
Apparatus and method for assigning subchannels in an OFDMA communication system Grant 7,545,772 - Hwang , et al. June 9, 2 | 2009-06-09 |
Apparatus And Method For Assigning Subchannels In An Ofdma Communication System App 20090141681 - Hwang; In-Seok ;   et al. | 2009-06-04 |
Apparatus and method for assigning subchannel in a mobile communication system using orthogonal frequency division multiple access scheme Grant 7,502,310 - Hwang , et al. March 10, 2 | 2009-03-10 |
Apparatus and method for controlling transmission power in communication systems using orthogonal frequency division multiple access scheme Grant 7,412,242 - Cho , et al. August 12, 2 | 2008-08-12 |
Apparatus And Method For Transmitting A Sub-channel Signal In A Communication System Using An Orthogonal Frequency Division Multiple Access Scheme App 20080159436 - CHO; Jae-Hee ;   et al. | 2008-07-03 |
Method and system for allocating frequency resources based on multiple frequency reuse factors in cellular communication systems Grant 7,373,150 - Cho , et al. May 13, 2 | 2008-05-13 |
Apparatus and method for transmitting signal in wireless communication system App 20070213098 - Sung; Sang-Hoon ;   et al. | 2007-09-13 |
Apparatus and method for improving reception performance in a smart antenna system App 20070099665 - Kim; Yong-Seok ;   et al. | 2007-05-03 |
Handoff system and method in communication system with smart antenna App 20070077928 - Kim; Jong-In ;   et al. | 2007-04-05 |
Apparatus and method for controlling transmission power in communication systems using orthogonal frequency division multiple access scheme App 20060234715 - Cho; Jae-Hee ;   et al. | 2006-10-19 |
Apparatus and method for channel estimation in an SDMA-OFDM system App 20060205437 - Sung; Sang-Hoon ;   et al. | 2006-09-14 |
Apparatus and method for transmitting information data in a wireless communication system App 20060153227 - Hwang; In-Seok ;   et al. | 2006-07-13 |
Apparatus and method for transmitting/receiving channel quality information in a communication system App 20060148411 - Cho; Jae-Hee ;   et al. | 2006-07-06 |
Apparatus and method for detecting ranging signal in an orthogonal frequency division multiple access mobile communication system App 20060098749 - Sung; Sang-Hoon ;   et al. | 2006-05-11 |
Apparatus and method for allocating data bursts in a broadband wireless communication system App 20060101168 - Roh; Kwan-Hee ;   et al. | 2006-05-11 |
Apparatus and method for cell acquisition and downlink synchronization acquisition in a wireless communication system App 20060078040 - Sung; Sang-Hoon ;   et al. | 2006-04-13 |
Apparatus and method for controlling uplink power in a mobile communication system using a TDD scheme App 20060046789 - Huh; Hoon ;   et al. | 2006-03-02 |
Apparatus and method for adaptively changing uplink power control scheme according to mobile status in a TDD mobile communication system App 20060040619 - Cho; Jae-Hee ;   et al. | 2006-02-23 |
Apparatus and method for synchronizing optic repeater in communication system using time division OFDM scheme App 20060013594 - Sung; Sang-Hoon ;   et al. | 2006-01-19 |
Apparatus and method for estimating a carrier-to-interference-and-noise ratio in a communication system App 20060008037 - Chang; Jae-Hwan ;   et al. | 2006-01-12 |
Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme App 20050201477 - Cho, Jae-Hee ;   et al. | 2005-09-15 |
Method and system for allocating frequency resources based on multiple frequency reuse factors in cellular communication systems App 20050197129 - Cho, Jae-Hee ;   et al. | 2005-09-08 |
Method for allocating a subchannel in an orthogonal frequency division multiple access cellular communication system App 20050195909 - Hwang, In-Seok ;   et al. | 2005-09-08 |
Apparatus and method for assigning a ranging channel and transmitting and receiving a ranging signal in an OFDM system App 20050195791 - Sung, Sang-Hoon ;   et al. | 2005-09-08 |
Apparatus and method for estimating interference and noise in a communication system App 20050152480 - Chang, Jae-Hwan ;   et al. | 2005-07-14 |
Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system App 20050111522 - Sung, Sang-Hoon ;   et al. | 2005-05-26 |
Apparatus and method for selective power control for an OFDM mobile communication system App 20050105589 - Sung, Sang-Hoon ;   et al. | 2005-05-19 |
Apparatus and method for transmitting/receiving pilot signals in an OFDM communication system App 20050099939 - Huh, Hoon ;   et al. | 2005-05-12 |
Apparatus and method for assigning subchannels in an OFDMA communication system App 20050094597 - Hwang, In-Seok ;   et al. | 2005-05-05 |
Method for increasing network throughput of cellular wireless packet network by loading control App 20050074030 - Cho, Jae-Hee ;   et al. | 2005-04-07 |
Ranging method in a mobile communication system using orthogonal frequency division multiple access App 20050058058 - Cho, Min-Hee ;   et al. | 2005-03-17 |
Apparatus and method for modulating ranging signals in a broadband wireless access communication system App 20050030931 - Sung, Sang-Hoon ;   et al. | 2005-02-10 |
Apparatus and method for assigning subchannel in a mobile communication system using orthogonal frequency division multiple access scheme App 20050025039 - Hwang, In-Seok ;   et al. | 2005-02-03 |
Apparatus and method for assigning subchannels in an OFDMA communication system App 20050013279 - Hwang, In-Seok ;   et al. | 2005-01-20 |