Assignee profile:

SK Telecom Co., Ltd.

City:

Country:

South Korea

Published Applications:

95

Last publication date:

2012-02-09

Patent Grants:

95

Last grant date:

2014-07-08

Top Inventors for applications by SK Telecom Co., Ltd.

These are the the leading inventors for applications assigned to SK Telecom Co., Ltd.:

Recent patent applications by SK Telecom Co., Ltd.

SK Telecom Co., Ltd. based in , KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2012-02-09 ✅ Patent 8,774,774 granted on 2014-07-08
US20120034907A1
Electricity

Method for transmitting digital data and system thereof and mobile terminal for the same in call waiting

#2 | 2011-12-15 ✅ Patent 8,374,145 granted on 2013-02-12
US20110305218A1
Electricity

Method for requesting and reporting channel quality information in wireless portable internet system

#3 | 2011-12-08 ✅ Patent 8,654,671 granted on 2014-02-18
US20110299423A1
Electricity

System and method for QoS support in ubiquitous sensor

#4 | 2011-12-01 ✅ Patent 8,855,560 granted on 2014-10-07
US20110294430A1
Electricity

Method and system for connecting an end-point terminal to a plurality of mobile communication terminals to be provided with a service in a CPNS environment, and CPNS server and end-point terminal for same

#5 | 2011-10-06 ✅ Patent 8,983,871 granted on 2015-03-17
US20110246343A1
Electricity

System and method for providing service to end terminal that uses authentication information of another mobile communication terminal, service server, mobile communication terminal, end terminal, and storage medium

#6 | 2011-10-06 ✅ Patent 8,380,164 granted on 2013-02-19
US20110244827A1
Physics

Fee charging system, fee charging method, service server, service providing method, and storage medium

#7 | 2011-08-11 ✅ Patent 9,001,748 granted on 2015-04-07
US20110194507A1
Electricity

Method for scheduling traffic of home node, and applied to the same

#8 | 2011-07-14 ✅ Patent 8,581,954 granted on 2013-11-12
US20110169908A1
Electricity

Mobile communication terminal that delivers vibration information, and method thereof

#9 | 2011-06-09 ✅ Patent 9,002,487 granted on 2015-04-07
US20110134971A1
Physics

System and method for data reception and transmission in audible frequency band

#10 | 2010-12-23 ✅ Patent 8,320,353 granted on 2012-11-27
US20100322116A1
Electricity

Method and system for estimating adaptive combined channel in CDMA system based on time division duplex system

#11 | 2010-09-30 ✅ Patent 8,065,366 granted on 2011-11-22
US20100250675A1
Physics

System and method for transmitting personal networking-based blog post, and server applied to the same

#12 | 2010-05-06 ✅ Patent 8,121,622 granted on 2012-02-21
US20100113063A1
Electricity

Method and system for providing location measurement of network based to mobile communication terminal by using G-pCell database according to location

#13 | 2010-05-06 ✅ Patent 8,861,483 granted on 2014-10-14
US20100111048A1
Electricity

Method for allocating a beacon slot using a beacon table in wireless personal area network (WPAN) and WPAN device

#14 | 2010-05-06 ✅ Patent 7,995,502 granted on 2011-08-09
US20100110931A1
Electricity

Method for allocating an address of device in wireless personal area network (WPAN) and WPAN device

#15 | 2010-03-18 ✅ Patent 8,442,102 granted on 2013-05-14
US20100068989A1
Electricity

Chip equalization apparatus and method thereof

#16 | 2010-03-11 ✅ Patent 8,073,466 granted on 2011-12-06
US20100062792A1
Electricity

Method and system for providing location measurement of network based to mobile communication terminal by using G-pCell database

#17 | 2009-12-10 ✅ Patent 8,200,162 granted on 2012-06-12
US20090305637A1
Physics

System and method for minimizing interference between RFID reader

#18 | 2009-11-05 ✅ Patent 8,068,852 granted on 2011-11-29
US20090274116A1
Electricity

Method and system for detecting position of mobile communication terminal by using pilot strength measurement message

#19 | 2009-08-06 ✅ Patent 7,978,651 granted on 2011-07-12
US20090196276A1
Electricity

Internal data structure of mobile terminal for QoS-based uplink data transmission, and operational methods thereof

#20 | 2009-07-09 ✅ Patent 7,813,291 granted on 2010-10-12
US20090175178A1
Electricity

Method and apparatus for requesting and reporting channel quality information in mobile communication system

#21 | 2009-05-07 ✅ Patent 8,656,480 granted on 2014-02-18
US20090119509A1
Electricity

Method for negotiating security-related functions of subscriber station in wireless portable internet system

#22 | 2009-04-30 ✅ Patent 7,944,824 granted on 2011-05-17
US20090109844A1
Electricity

Terminal of portable internet system and method of transmitting uplink data in terminal

#23 | 2009-03-12 ✅ Patent 7,889,805 granted on 2011-02-15
US20090067513A1
Electricity

Smart antenna system and method thereof for forming uplink eigenbeam of OFDM/TDD

#24 | 2009-03-12 ✅ Patent 7,768,966 granted on 2010-08-03
US20090067374A1
Electricity

Method for traffic indication and channel adaptation for sleep mode terminals, and an apparatus thereof

#25 | 2009-02-12 ✅ Patent 8,032,121 granted on 2011-10-04
US20090041213A1
Electricity

System and method for transferring voice messages

#26 | 2009-02-12 ✅ Patent 8,477,016 granted on 2013-07-02
US20090040021A1
Physics

Method for identifying tags using adaptive binary tree splitting technique in RFID system and RFID system therefore

#27 | 2008-11-20 ✅ Patent 8,213,963 granted on 2012-07-03
US20080287140A1
Electricity

Network based location measurement method and system using pCELL database

#28 | 2008-11-20 ✅ Patent 8,462,706 granted on 2013-06-11
US20080287138A1
Electricity

Method for requesting and reporting channel quality information in wireless system and apparatus thereof

#29 | 2008-11-20 ✅ Patent 8,028,910 granted on 2011-10-04
US20080283600A1
Physics

Tag anti-collision RFID system and method for tag identification

#30 | 2008-10-30 ✅ Patent 8,588,189 granted on 2013-11-19
US20080267140A1
Electricity

Wireless internet terminal and packet transmission method for improving quality of service

#31 | 2008-10-30 ✅ Patent 7,898,564 granted on 2011-03-01
US20080266377A1
Electricity

Video telephony service method in mobile communication network

#32 | 2008-10-09 ✅ Patent 8,055,986 granted on 2011-11-08
US20080250303A1
Electricity

Viterbi decoder and method thereof

#33 | 2008-10-09 ✅ Patent 8,228,793 granted on 2012-07-24
US20080247357A1
Electricity

Method for adaptive delay threshold-based priority queueing scheme for packet scheduling in mobile broadband wireless access system

#34 | 2008-10-02 ✅ Patent 8,588,145 granted on 2013-11-19
US20080240022A1
Electricity

Method for allocating and accessing radio resources in OFDMA system

#35 | 2008-07-17 ✅ Patent 7,817,707 granted on 2010-10-19
US20080170632A1
Electricity

Apparatus and method for generating ranging pseudo noise code

#36 | 2008-04-03 ✅ Patent 7,907,733 granted on 2011-03-15
US20080080713A1
Electricity

Method 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

#37 | 2008-03-27 ✅ Patent 8,064,337 granted on 2011-11-22
US20080076397A1
Electricity

Method for connecting to a wireless internet service

#38 | 2008-03-06 ✅ Patent 7,746,966 granted on 2010-06-29
US20080056394A1
Electricity

Method for automatic gain control before initial synchronization in OFDM system and apparatus thereof

#39 | 2008-02-28 ✅ Patent 8,032,120 granted on 2011-10-04
US20080051067A1
Electricity

Voice message transmission system, transmission result notification system, and methods thereof

#40 | 2008-02-28 ✅ Patent 8,934,448 granted on 2015-01-13
US20080049674A1
Electricity

Handover method in wireless portable internet system

#41 | 2008-02-21 ✅ Patent 8,009,627 granted on 2011-08-30
US20080043699A1
Electricity

Method and system for providing interworking with portable internet network and other kinds of networks

#42 | 2008-02-21 ✅ Patent 8,059,564 granted on 2011-11-15
US20080043642A1
Electricity

Method and system for terminal codec setup of multimedia ring back tone service

#43 | 2008-01-31 ✅ Patent 7,773,627 granted on 2010-08-10
US20080025342A1
Electricity

Method and apparatus for allocating transmission opportunity in communication system

#44 | 2008-01-24 ✅ Patent 7,826,543 granted on 2010-11-02
US20080019455A1
Electricity

Mobile station in orthogonal frequency division multiplexing access system and transmit power control method thereof

#45 | 2007-12-27 ✅ Patent 8,127,136 granted on 2012-02-28
US20070297611A1
Electricity

Method for security association negotiation with extensible authentication protocol in wireless portable internet system

#46 | 2007-12-27 ✅ Patent 7,757,155 granted on 2010-07-13
US20070296616A1
Electricity

Signal transmitting and receiving device and method of mobile communication system

#47 | 2007-12-20 ✅ Patent 7,991,057 granted on 2011-08-02
US20070291861A1
Electricity

Apparatus and method for generating ranging pseudo noise code

#48 | 2007-12-20 ✅ Patent 7,953,165 granted on 2011-05-31
US20070291633A1
Electricity

Transmitting apparatus in orthogonal frequency division multiplexing access system capable of controlling gain for variation of sub-channel allocation and method for transmitting data thereof

#49 | 2007-12-13 ✅ Patent 7,631,239 granted on 2009-12-08
US20070288824A1
Electricity

Method for retransmitting packet in mobile communication system and computer-readable medium recorded program thereof

#50 | 2007-12-06 ✅ Patent 8,615,218 granted on 2013-12-24
US20070281665A1
Electricity

Method 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

#51 | 2007-11-29 ✅ Patent 7,738,544 granted on 2010-06-15
US20070274377A1
Electricity

Apparatus and method for measuring received signal strength indicator, and recording medium storing program embodying the same method

#52 | 2007-11-29 ✅ Patent 8,155,104 granted on 2012-04-10
US20070274265A1
Electricity

Method for preamble-based bandwidth request in wireless portable internet system

#53 | 2007-11-29 ✅ Patent 7,912,467 granted on 2011-03-22
US20070274244A1
Electricity

Method and apparatus for controlling power saving mode in wireless portable internet system

#54 | 2007-11-15 ✅ Patent 7,796,695 granted on 2010-09-14
US20070263743A1
Electricity

Method 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

#55 | 2007-11-01 ✅ Patent 8,018,911 granted on 2011-09-13
US20070254595A1
Electricity

Method for requesting and reporting channel quality information in wireless portable internet system

#56 | 2007-10-25 ✅ Patent 7,782,977 granted on 2010-08-24
US20070248197A1
Electricity

Automatic gain control apparatus and method in orthogonal frequency division multiplexing

#57 | 2007-10-11 ✅ Patent 7,899,084 granted on 2011-03-01
US20070237181A1
Electricity

Method and system for generating switching timing signal for separating transmitting and receiving signal in optical repeater of mobile telecommunication network using TDD and OFDM modulation

#58 | 2007-09-27 ✅ Patent 7,912,510 granted on 2011-03-22
US20070224973A1
Electricity

Terminal for multimedia ring back tone service and method for controlling terminal

#59 | 2007-09-13 ✅ Patent 8,140,054 granted on 2012-03-20
US20070210894A1
Electricity

Method for authenticating subscriber station, method for configuring protocol thereof, and apparatus thereof in wireless portable internet system

#60 | 2007-09-11 ✅ Patent 7,269,448 granted on 2007-09-11
US9990446
-

Method for recognizing request for data transmission by mobile/base station RRC using network transfer device

#61 | 2007-08-30 ✅ Patent 7,979,022 granted on 2011-07-12
US20070201402A1
Electricity

Method and system for generating switching timing signal for separating transmitting and receiving signal in RF repeater of mobile telecommunication network using TDD and OFDM modulation

#62 | 2007-08-21 ✅ Patent 7,260,406 granted on 2007-08-21
US10456022
-

Method for tracking location of subscribers in dual stack mobile communication network

#63 | 2007-08-16 ✅ Patent 7,761,112 granted on 2010-07-20
US20070189047A1
Electricity

Power control method for uplink in mobile communication and apparatus thereof

#64 | 2007-08-09 ✅ Patent 7,778,338 granted on 2010-08-17
US20070183518A1
Electricity

Method and apparatus for estimating timing error and frequency offset of MIMO system

#65 | 2007-07-19 ✅ Patent 7,477,190 granted on 2009-01-13
US20070164902A1
Electricity

Smart antenna beamforming device in communication system and method thereof

#66 | 2007-07-05 ✅ Patent 7,873,364 granted on 2011-01-18
US20070155398A1
Electricity

Apparatus and method for accounting in wireless communication system

#67 | 2007-07-05 ✅ Patent 7,904,070 granted on 2011-03-08
US20070155378A1
Electricity

Method and device for searching and deallocating abnormal terminal in wireless portable internet system

#68 | 2007-07-05 ✅ Patent 7,593,754 granted on 2009-09-22
US20070155352A1
Electricity

Receiving apparatus and receiving method of communication system with multiple antennas

#69 | 2007-07-05 ✅ Patent 7,848,513 granted on 2010-12-07
US20070154017A1
Electricity

Method for transmitting security context for handover in portable internet system

#70 | 2007-07-05 ✅ Patent 7,936,832 granted on 2011-05-03
US20070153927A1
Electricity

Receiver apparatus of the adaptive ICI cancellation iterative receiver in wireless communication system and ICI cancellation method

#71 | 2007-06-28 ✅ Patent 7,940,858 granted on 2011-05-10
US20070147537A1
Electricity

Apparatus and method for calibration in a communication system

#72 | 2007-06-28 ✅ Patent 7,742,391 granted on 2010-06-22
US20070147225A1
Electricity

Apparatus and method for estimating frequency offset

#73 | 2007-06-21 ✅ Patent 8,300,621 granted on 2012-10-30
US20070140104A1
Electricity

System and method for timing acquisition and carrier frequency offset estimation in wireless communication based on OFDM

#74 | 2007-06-14 ✅ Patent 7,860,238 granted on 2010-12-28
US20070135177A1
Electricity

Communication terminal and additional function module thereof

#75 | 2007-06-14 ✅ Patent 7,646,749 granted on 2010-01-12
US20070135052A1
Electricity

Downlink beamforming apparatus in OFDMA system and transmission apparatus including the same

#76 | 2007-06-14 ✅ Patent 7,782,989 granted on 2010-08-24
US20070133728A1
Electricity

Apparatus and method for acquiring frame timing in communication system

#77 | 2007-06-14 ✅ Patent 8,077,792 granted on 2011-12-13
US20070133708A1
Electricity

Method and apparatus for allocating transmission power in communication system with multiple antennas

#78 | 2007-06-14 ✅ Patent 7,929,621 granted on 2011-04-19
US20070133703A1
Electricity

Terminal demodulation apparatus and method

#79 | 2007-06-14 ✅ Patent 7,848,755 granted on 2010-12-07
US20070133470A1
Electricity

Method for recovering ARQ data in wireless portable internet system

#80 | 2007-06-14 ✅ Patent 8,199,738 granted on 2012-06-12
US20070133460A1
Electricity

Apparatus and method for processing ranging channel of communication system

#81 | 2007-06-14 ✅ Patent 7,929,566 granted on 2011-04-19
US20070133402A1
Electricity

Terminal and method for managing bandwidth of terminal

#82 | 2007-06-07 ✅ Patent 8,094,549 granted on 2012-01-10
US20070127375A1
Electricity

Apparatus and method for classifying quality-of-service of packet in portable internet system

#83 | 2007-05-31 ✅ Patent 7,738,420 granted on 2010-06-15
US20070121666A1
Electricity

Apparatus and method for allocating subchannel and power in communication system, and transmitting apparatus

#84 | 2007-05-31 ✅ Patent 7,873,050 granted on 2011-01-18
US20070121636A1
Electricity

Apparatus and method for downlink packet scheduling in base station of a portable internet system

#85 | 2007-05-24 ✅ Patent 7,962,131 granted on 2011-06-14
US20070115862A1
Electricity

Channel mode converting method of a wireless portable internet system

#86 | 2007-04-19 ✅ Patent 7,765,459 granted on 2010-07-27
US20070089043A1
Electricity

Viterbi decoder and viterbi decoding method

#87 | 2007-04-19 ✅ Patent 7,729,665 granted on 2010-06-01
US20070086367A1
Electricity

Down-link data transmission and receiving system and method of ARQ in wireless communication system

#88 | 2007-03-01 ✅ Patent 7,680,458 granted on 2010-03-16
US20070049199A1
Electricity

Interference cancellation method and module for OFDMA mobile communication system

#89 | 2006-12-05 ✅ Patent 7,145,890 granted on 2006-12-05
US9807060
-

Method for carrying out handoff between macrocell and microcell in hierarchical cell structure

#90 | 2006-03-14 ✅ Patent 7,012,948 granted on 2006-03-14
US9898954
-

Method for assigning codes in uplink of synchronous wireless telecommunication system

#91 | 2006-02-23 ✅ Patent 7,349,674 granted on 2008-03-25
US20060040620A1
Electricity

Apparatus and method for separating transmit and receive signals for time division duplexing radio system

#92 | 2005-06-30 ✅ Patent 7,428,267 granted on 2008-09-23
US20050141626A1
Electricity

Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof

#93 | 2005-06-30 ✅ Patent 7,359,366 granted on 2008-04-15
US20050141474A1
Electricity

Uplink ranging system and method in OFDMA system

#94 | 2005-06-23 ✅ Patent 7,515,641 granted on 2009-04-07
US20050135230A1
Electricity

Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system

#95 | 2005-05-10 ✅ Patent 6,892,071 granted on 2005-05-10
US9927729
-

Handover method in wireless telecommunication system supporting USTS

AssigneeID:

404180 ⎘