South Korea
30
2009-08-06
30
2011-07-12
These are the the leading inventors for applications assigned to KTFreetel Co., Ltd.:
KTFreetel Co., Ltd. based in , KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Internal data structure of mobile terminal for QoS-based uplink data transmission, and operational methods thereof
#2 | 2009-07-09 ✅ Patent 7,813,291 granted on 2010-10-12Method and apparatus for requesting and reporting channel quality information in mobile communication system
#3 | 2009-04-30 ✅ Patent 7,944,824 granted on 2011-05-17Terminal of portable internet system and method of transmitting uplink data in terminal
#4 | 2009-03-12 ✅ Patent 7,889,805 granted on 2011-02-15Smart antenna system and method thereof for forming uplink eigenbeam of OFDM/TDD
#5 | 2009-03-12 ✅ Patent 7,768,966 granted on 2010-08-03Method for traffic indication and channel adaptation for sleep mode terminals, and an apparatus thereof
#6 | 2008-11-20 ✅ Patent 8,462,706 granted on 2013-06-11Method for requesting and reporting channel quality information in wireless system and apparatus thereof
#7 | 2008-10-30 ✅ Patent 8,588,189 granted on 2013-11-19Wireless internet terminal and packet transmission method for improving quality of service
#8 | 2008-10-02 ✅ Patent 8,588,145 granted on 2013-11-19Method for allocating and accessing radio resources in OFDMA system
#9 | 2008-07-17 ✅ Patent 7,817,707 granted on 2010-10-19Apparatus and method for generating ranging pseudo noise code
#10 | 2008-04-03 ✅ Patent 7,907,733 granted on 2011-03-15Method for managing traffic encryption key in wireless portable internet system and protocol configuration method thereof, and operation method of traffic encryption key state machine in subscriber station
#11 | 2008-03-06 ✅ Patent 7,746,966 granted on 2010-06-29Method for automatic gain control before initial synchronization in OFDM system and apparatus thereof
#12 | 2008-02-28 ✅ Patent 8,934,448 granted on 2015-01-13Handover method in wireless portable internet system
#13 | 2008-01-24 ✅ Patent 7,826,543 granted on 2010-11-02Mobile station in orthogonal frequency division multiplexing access system and transmit power control method thereof
#14 | 2007-12-27 ✅ Patent 8,127,136 granted on 2012-02-28Method for security association negotiation with extensible authentication protocol in wireless portable internet system
#15 | 2007-12-27 ✅ Patent 7,757,155 granted on 2010-07-13Signal transmitting and receiving device and method of mobile communication system
#16 | 2007-12-20 ✅ Patent 7,991,057 granted on 2011-08-02Apparatus and method for generating ranging pseudo noise code
#17 | 2007-12-06 ✅ Patent 8,615,218 granted on 2013-12-24Method for requesting, generating and distributing service-specific traffic encryption key in wireless portable internet system, apparatus for the same, and protocol configuration method for the same
#18 | 2007-11-29 ✅ Patent 7,752,519 granted on 2010-07-06Method for creating feedback message for ARQ in mobile communication system
#19 | 2007-11-29 ✅ Patent 8,155,104 granted on 2012-04-10Method for preamble-based bandwidth request in wireless portable internet system
#20 | 2007-11-29 ✅ Patent 7,912,467 granted on 2011-03-22Method and apparatus for controlling power saving mode in wireless portable internet system
#21 | 2007-11-15 ✅ Patent 7,796,695 granted on 2010-09-14Method for allocating data and pilots, and transmitting method and device and receiving method and device using the same in orthogonal frequency division multiple access system
#22 | 2007-10-25 ✅ Patent 7,782,977 granted on 2010-08-24Automatic gain control apparatus and method in orthogonal frequency division multiplexing
#23 | 2007-10-25 ✅ Patent 8,068,510 granted on 2011-11-29Demodulation apparatus for efficiently embodying adaptive modulation and coding method in OFDMA based packet communication system and method thereof
#24 | 2007-09-13 ✅ Patent 8,140,054 granted on 2012-03-20Method for authenticating subscriber station, method for configuring protocol thereof, and apparatus thereof in wireless portable internet system
#25 | 2007-01-02 ✅ Patent 7,158,812 granted on 2007-01-02Apparatus and method for measuring output power of pilot channel at CDMA base station
#26 | 2006-05-25 ✅ Patent 7,509,149 granted on 2009-03-24Method and apparatus for changing a sound source of a supplementary service using a ring back tone on calling
#27 | 2006-02-23 ✅ Patent 7,349,674 granted on 2008-03-25Apparatus and method for separating transmit and receive signals for time division duplexing radio system
#28 | 2005-06-30 ✅ Patent 7,428,267 granted on 2008-09-23Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof
#29 | 2005-06-30 ✅ Patent 7,359,366 granted on 2008-04-15Uplink ranging system and method in OFDMA system
#30 | 2005-06-23 ✅ Patent 7,515,641 granted on 2009-04-07Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system
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