SK TELECOM CO., LTD.

G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES565

Subclasses

Top Owners

H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 591

Subclasses

Top Owners

Top Patents (by citation)

6,738,597 Repeating installation using telephone lineJul 16, 01May 18, 04[H04B]43

6,195,551 Idle handoff controlling method in cellular communication systemJul 21, 98Feb 27, 01[H04Q]41

6,477,154 Microcellular mobile communication systemAug 14, 98Nov 05, 02[H04J, H04Q, H04B]36

6,097,949 Method for providing closed user group service in mobile communication networkApr 14, 98Aug 01, 00[H04Q]29

6,259,923 Method for providing cell location serviceJul 08, 98Jul 10, 01[G01S]21

5,956,367 Rake receiving apparatus for direct sequence code division multiple access systemApr 04, 97Sep 21, 99[H04K, H04L, H04B]20

7,324,478 Apparatus and method for deciding access system based on WLAN signal strength in WLAN/mobile network interworking system, and mobile terminal thereforApr 28, 03Jan 29, 08[H04Q]17

6,760,567 Apparatus and method for measuring quality of a reverse link in a CDMA systemJun 29, 00Jul 06, 04[H04B]16

6,571,099 Cell searching method in asynchronous wideband code division multiple access systemOct 26, 99May 27, 03[H04L]16

7,813,291 Method and apparatus for requesting and reporting channel quality information in mobile communication systemDec 17, 04Oct 12, 10[H04J]15

Recent Publications

2013/0089,264 APPARATUS AND METHOD FOR ENCODING IMAGES, AND APPARATUS AND METHOD FOR DECODING IMAGESFeb 25, 11Apr 11, 13[G06K]

2013/0070,846 MOTION VECTOR ENCODING/DECODING METHOD AND APPARATUS USING A MOTION VECTOR RESOLUTION COMBINATION, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAMEMar 04, 11Mar 21, 13[H04N]

2013/0073,710 APPARATUS FOR PROVIDING POLICY AND TERMINAL DEVICE FOR CHANGING NETWORK IN HETEROGENEOUS NETWORKSNov 08, 11Mar 21, 13[G06F]

2013/0064,292 IMAGE CODING/DECODING DEVICE USING CODING BLOCK IN WHICH INTRA BLOCK AND INTER BLOCK ARE MIXED, AND METHOD THEREOFMay 13, 11Mar 14, 13[H04N]

2013/0064,293 IMAGE ENCODING/DECODING DEVICE AND METHODMay 03, 11Mar 14, 13[H04N]

2013/0058,327 METHOD FOR PROVIDING EARLY-MEDIA SERVICE BASED ON SESSION INITIATION PROTOCOLSep 10, 12Mar 07, 13[H04L]

2013/0058,397 APPARATUS AND METHOD FOR CONSTRUCTING AND INDEXING A REFERENCE IMAGEMay 17, 11Mar 07, 13[H04N]

2013/0058,401 IMAGE-FILTERING METHOD AND APPARATUS, AND ENCODING/DECODING METHOD AND APPARATUS USING SAMEMay 12, 11Mar 07, 13[H04N, G06K]

2013/0059,602 LOCATION POSITIONING METHOD AND DEVICE USING WIRELESS LAN SIGNALSMay 04, 11Mar 07, 13[H04W]

2013/0044,733 AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD IN WIRELESS LAN ENVIRONMENTNov 16, 11Feb 21, 13[H04W]

View all Publication..

Recent Patents

8,406,320 Digital clipping method for a transmitter of an orthogonal frequency division multiple access systemOct 26, 05Mar 26, 13[H04L]

8,380,164 Fee charging system, fee charging method, service server, service providing method, and storage mediumOct 13, 09Feb 19, 13[H04W]

8,374,145 Method for requesting and reporting channel quality information in wireless portable internet systemAug 18, 11Feb 12, 13[H04L]

8,369,300 Method and apparatus for transmitting by using transmit diversity at DFT spread OFDMANov 17, 06Feb 05, 13[H04B]

8,358,174 Doherty amplifierMay 04, 12Jan 22, 13[H03F]

8,341,671 System and method for synchroning broadcast content with supplementary informationJan 08, 08Dec 25, 12[H04N, G06K]

8,331,315 Media independent handover for smart phone architectureSep 12, 08Dec 11, 12[H04W]

8,320,353 Method and system for estimating adaptive combined channel in CDMA system based on time division duplex systemJun 19, 08Nov 27, 12[H04J]

8,315,614 Method and apparatus of transmitting personal information in subscriber-based ringback tone serviceOct 20, 04Nov 20, 12[H04M]

8,305,945 Method and apparatus for discontinuous transmission/reception operation for reducing power consumption in celluar systemDec 22, 06Nov 06, 12[G08C]

View all patents..