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Yung-Ha JI
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Signal processing system and signal processing method
Patent number
10,205,572
Issue date
Feb 12, 2019
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless access point apparatus and method for testing signal recep...
Patent number
10,182,359
Issue date
Jan 15, 2019
KT Corporation
Jae Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing system, digital signal processing device, and met...
Patent number
10,098,072
Issue date
Oct 9, 2018
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system for providing carrier aggregation betwe...
Patent number
9,893,848
Issue date
Feb 13, 2018
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, digital unit, and method of establishi...
Patent number
9,877,222
Issue date
Jan 23, 2018
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for allocating resources
Patent number
9,807,762
Issue date
Oct 31, 2017
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for scheduling in wireless communication syste...
Patent number
9,705,657
Issue date
Jul 11, 2017
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Selectively providing system information in a heterogeneous network...
Patent number
9,699,695
Issue date
Jul 4, 2017
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for accounting in WiFi roaming based on AC and AP...
Patent number
9,686,722
Issue date
Jun 20, 2017
KT Corporation
Joo Young Yoon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for web redirect authentication in WiFi roaming b...
Patent number
9,654,970
Issue date
May 16, 2017
KT Corporation
Joo Young Yoon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Resource allocation method and resource management apparatus for pe...
Patent number
9,655,126
Issue date
May 16, 2017
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital unit, signal processing system, and signal processing method
Patent number
9,571,184
Issue date
Feb 14, 2017
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling signal transmission in radio units
Patent number
9,565,606
Issue date
Feb 7, 2017
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling radio units to transmitting signal with different trans...
Patent number
9,485,737
Issue date
Nov 1, 2016
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless access point apparatus and method for testing throughput
Patent number
9,467,878
Issue date
Oct 11, 2016
KT Corporation
Jae Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call admission control
Patent number
9,432,875
Issue date
Aug 30, 2016
KT Corporation
Jae-Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing uplink signal and downlink signal in radio unit
Patent number
9,369,194
Issue date
Jun 14, 2016
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing digital signal
Patent number
9,357,505
Issue date
May 31, 2016
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless access point and method and device for controlling wireles...
Patent number
9,271,243
Issue date
Feb 23, 2016
KT Corporation
Byung Wan Yoon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for wireless relaying
Patent number
9,231,688
Issue date
Jan 5, 2016
KT Corporation
Jae Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling femtocell operation bandwidth based on interference to...
Patent number
9,215,614
Issue date
Dec 15, 2015
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Selecting a target cell for CS fallback
Patent number
9,055,503
Issue date
Jun 9, 2015
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network redirection in heterogeneous overlay networks
Patent number
9,014,146
Issue date
Apr 21, 2015
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scheduling based on channel status
Patent number
9,008,101
Issue date
Apr 14, 2015
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Redirection in heterogeneous overlay networks
Patent number
8,964,643
Issue date
Feb 24, 2015
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call admission control
Patent number
8,929,910
Issue date
Jan 6, 2015
KT Corporation
Jae-Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detecting malicious device
Patent number
8,898,783
Issue date
Nov 25, 2014
KT Corporation
Jaeho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing uplink signal and downlink signal in radio unit
Patent number
8,867,432
Issue date
Oct 21, 2014
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Selectively providing system information in a heterogeneous network...
Patent number
8,868,086
Issue date
Oct 21, 2014
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Load distribution in CS fallback
Patent number
8,831,614
Issue date
Sep 9, 2014
KT Corporation
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MOBILE COMMUNICATION SYSTEM FOR PROVIDING CARRIER AGGREGATION BETWE...
Publication number
20150305036
Publication date
Oct 22, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, DIGITAL UNIT, AND METHOD OF ESTABLISHI...
Publication number
20150304881
Publication date
Oct 22, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RESOURCE ALLOCATION METHOD AND RESOURCE MANAGEMENT APPARATUS FOR PE...
Publication number
20150289278
Publication date
Oct 8, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING SYSTEM, DIGITAL SIGNAL PROCESSING DEVICE, AND MET...
Publication number
20150282100
Publication date
Oct 1, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR ALLOCATING RESOURCES
Publication number
20150282164
Publication date
Oct 1, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING SYSTEM AND SIGNAL PROCESSING METHOD
Publication number
20150092685
Publication date
Apr 2, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALL ADMISSION CONTROL
Publication number
20150087326
Publication date
Mar 26, 2015
KT Corporation
Jae-Ho CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR SCHEDULING IN WIRELESS COMMUNICATION SYSTE...
Publication number
20150003426
Publication date
Jan 1, 2015
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SELECTIVELY PROVIDING SYSTEM INFORMATION IN A HETEROGENEOUS NETWORK...
Publication number
20150004983
Publication date
Jan 1, 2015
KT Corporation
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL UNIT, SIGNAL PROCESSING SYSTEM, AND SIGNAL PROCESSING METHOD
Publication number
20140357320
Publication date
Dec 4, 2014
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR WEB REDIRECT AUTHENTICATION IN WIFI ROAMING B...
Publication number
20140359740
Publication date
Dec 4, 2014
KT Corporation
Joo Young Yoon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR ACCOUNTING IN WIFI ROAMING BASED ON AC AND AP...
Publication number
20140341185
Publication date
Nov 20, 2014
KT Corporation
Joo Young Yoon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROCESSING UPLINK SIGNAL AND DOWNLINK SIGNAL IN RADIO UNIT
Publication number
20140328224
Publication date
Nov 6, 2014
KT Corporation
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS ACCESS POINT AND METHOD AND DEVICE FOR CONTROLLING WIRELES...
Publication number
20140321300
Publication date
Oct 30, 2014
KT Corporation
Byung Wan Yoon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS ACCESS POINT APPARATUS AND METHOD FOR TESTING THROUGHPUT
Publication number
20140119222
Publication date
May 1, 2014
KT Corporation
Jae Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR WIRELESS RELAYING
Publication number
20140057556
Publication date
Feb 27, 2014
KT Corporation
Jae Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS ACCESS POINT APPARATUS AND METHOD FOR TESTING SIGNAL RECEP...
Publication number
20140036715
Publication date
Feb 6, 2014
KT CORPORATION
Jae Ho Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALL ADMISSION CONTROL
Publication number
20130303182
Publication date
Nov 14, 2013
KT CORPORATION
Jae-Ho CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROLLING RADIO UNITS TO TRANSMITTING SIGNAL WITH DIFFERENT TRANS...
Publication number
20130165169
Publication date
Jun 27, 2013
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROCESSING DIGITAL SIGNAL
Publication number
20130163416
Publication date
Jun 27, 2013
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SCHEDULING BASED ON CHANNEL STATUS
Publication number
20130148597
Publication date
Jun 13, 2013
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SELECTIVELY PROVIDING SYSTEM INFORMATION IN A HETEROGENEOUS NETWORK...
Publication number
20130137436
Publication date
May 30, 2013
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REDIRECTION IN HETEROGENEOUS OVERLAY NETWORKS
Publication number
20130107821
Publication date
May 2, 2013
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK REDIRECTION IN HETEROGENEOUS OVERLAY NETWORKS
Publication number
20130107737
Publication date
May 2, 2013
KT CORPORATION
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOAD DISTRIBUTION IN CS FALLBACK
Publication number
20130065589
Publication date
Mar 14, 2013
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SELECTING A TARGET CELL FOR CS FALLBACK
Publication number
20130051362
Publication date
Feb 28, 2013
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROLLING SIGNAL TRANSMISSION IN RADIO UNITS
Publication number
20130044622
Publication date
Feb 21, 2013
Ki-Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DETECTING MALICIOUS DEVICE
Publication number
20120304297
Publication date
Nov 29, 2012
Jaeho CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FEMTOCELL BASE STATION AND MANAGEMENT SYSTEM THEREOF
Publication number
20120264418
Publication date
Oct 18, 2012
KT Corporation
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FEMTOCELL ACCESS CONTROL
Publication number
20120264431
Publication date
Oct 18, 2012
KT Corporation
Ki-Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE