Company Access Details

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SK TELECOM CO LTD

Legal name

SK TELECOM CO LTD

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City/Country

Map to offcial company

None

IPR Declaration

None

Owned patents

Application Number	Publication Number	Title	Country or Organisation
KR20030036907	KR100723695 B1	WIRELESS ADVERTISING SYSTEM AND A METHOD USING A MOBILE COMMUNICATION TERMINAL, ESPECIALLY RELATED TO SUPPLYING AN ADVERTISEMENT TO A MOBILE COMMUNICATION TERMINAL BY USING A SPECIFIC NUMBER TO PERFORM ELECTRONIC COMMERCE	KR (KOREA (REPUBLIC OF))	View
CN20068040144		An apparatus and a method for service continuity between umts network and wlan network	CN (CHINA)	View
CN20058049856		Network interworking system and method for negotiating qos in network interworking system	CN (CHINA)	View
ES20060835368T	ES2371719 T3		ES (SPAIN)	View
CN2005813176	CN1947373 B	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 st	CN (CHINA)	View
CN2004823628	CN1839595 B	Method and device for allocating radio resources in wireless portable network system	CN (CHINA)	View
CN2004841215	CN1914844 B	Method for creating feedback message for ARQ in mobile communication system and computer readable medium recorded program thereof	CN (CHINA)	View
CN2004841225	CN1914845 B	Method for creating feedback message for arq in mobile communication system	CN (CHINA)	View
US20040585051	US7752519 B2	Sonar Collision Avoidance System	US (UNITED STATES)	View
CN2005836333	CN101077030 B	Video telephony service method in mobile communication network	CN (CHINA)	View
CN2006808627	CN101142784 B	Method for negotiating security-related functions of subscriber station in wireless portable internet system	CN (CHINA)	View
CN2006840144	CN101297522 B	An apparatus and a method for service continuity between umts network and wlan network	CN (CHINA)	View
CN2005849856	CN101180835 B	Network interworking system and method for negotiating qos in network interworking system	CN (CHINA)	View
CN20168066884	CN108293225 B	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	CN (CHINA)	View
CN20168067157	CN108293226 B	Method and apparatus for selecting core network in mobile communication system	CN (CHINA)	View
CN20178042160	CN109417722 A	TERMINAL DEVICE, BASE STATION DEVICE, AND METHOD FOR CONTROLLING QOS	CN (CHINA)	View
CN20178030831	CN109219974 B	BASE STATION APPARATUS, TERMINAL APPARATUS, AND QOS CONTROL METHOD	CN (CHINA)	View
CN20178011938	CN108702232 B	APPARATUS FOR TRANSMITTING SYNCHRONOUS SIGNAL AND METHOD FOR TRANSMITTING SYNCHRONOUS SIGNAL	CN (CHINA)	View
CN20178023252	CN108886459 B	REFERENCE SIGNAL TRANSMISSION DEVICE AND REFERENCE SIGNAL TRANSMISSION METHOD	CN (CHINA)	View
CN20168085944	CN109196786 B	UPLINK SIGNAL TRANSMISSION DEVICE AND UPLINK SIGNAL TRANSMISSION METHOD	CN (CHINA)	View
CN20168079838	CN108496389 B	METHOD FOR TRANSMITTING DOWNLINK PACKET IN FUNCTION-SEPARATED CORE NETWORK	CN (CHINA)	View
CN20178049651	CN109565705 A	BASE STATION DEVICE AND QOS CONTROL METHOD IN WIRELESS SECTION	CN (CHINA)	View
CN20058014311	CN1981458 B	Multi-mode multi-band mobile communication terminal and mode switching method thereof	CN (CHINA)	View
AT20060835368T	AT521209 T	VERFAHREN FÜR DISKONTINUIERLICHEN SENDE- /EMPFANGSBETRIEB ZUR VERRINGERUNG DES STROMVERBRAUCHS IN EINEM ZELLULAREN SYSTEM	AT (AUSTRIA)	View
AT20100158319T	AT533325 T	VERFAHREN FÜR DIE DISKONTINUIERLICHE OPERATION DER ÜBERTRAGUNG/EMPFANGS, WEGEN MACHT-VERBRAUCH IM ZELLSYSTEM ZU REDUZIEREN	AT (AUSTRIA)	View
EP20060835368	EP1964289 B1	METHOD FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	EP EPO European Patent Office	View
EP20100158319	EP2205027 B1	Method for discontinuous transmission/reception operation for reducing power consumption in cellular system	EP EPO European Patent Office	View
EP20110169559	EP2378817 B1	METHOD FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	EP EPO European Patent Office	View
EP20110170022	EP2384066 B1	Method for discontinuous transmission/reception operation for reducing power consumption in cellular system	EP EPO European Patent Office	View
ES20100158319T	ES2376284 T3		ES (SPAIN)	View
ES20110169559T	ES2413063 T3		ES (SPAIN)	View
ES20110170022T	ES2417929 T3		ES (SPAIN)	View
KR20100028102	KR101176048 B1	METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	KR (KOREA (REPUBLIC OF))	View
US20060158628	US8305945 B2	Method and Apparatus for Discontinuous Transmission/Reception Operation for Reducing Power Consumption in Celluar System	US (UNITED STATES)	View
US20100750127	US8559342 B2	METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	US (UNITED STATES)	View
US201113224962	US8594005 B2	METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION-RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	US (UNITED STATES)	View
US201213612436	US9198128 B2	METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	US (UNITED STATES)	View
US201514923981	US9838965 B2	METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM	US (UNITED STATES)	View
CN20178028882	CN109196835 B	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	CN (CHINA)	View
CN202110720040	CN113452786 A	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	CN (CHINA)	View
EP20170796314	EP3445013 A4	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	EP EPO European Patent Office	View
JP20200173691	JP2021005905 A	METHOD AND APPARATUS FOR PROVIDING NEXT-GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	JP (JAPAN)	View
KR20160058193	KR102076816 B1	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK IN HETEROGENEOUS NETWORK ENVIRONMENT	KR (KOREA (REPUBLIC OF))	View
US201816186010	US10499445 B2	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	US (UNITED STATES)	View
US201916661415	US10873988 B2	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	US (UNITED STATES)	View
US202017061021	US2021022196 A1	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	US (UNITED STATES)	View
WO2017KR04583	WO2017196014 A1	METHOD AND APPARATUS FOR PROVIDING NEXT GENERATION NETWORK SERVICE IN HETEROGENEOUS NETWORK ENVIRONMENT	WO PCT Patent Cooperation Treaty	View
JP20190230996	JP6876116 B2	TRANSMISSION METHOD OF DOWNLINK PACKET IN FUNCTION SEPARATED CORE NETWORK	JP (JAPAN)	View
CN202110884356	CN113473631 A	METHOD FOR TRANSMITTING DOWNLINK PACKET AND GATEWAY	CN (CHINA)	View
EP20210151472	EP3843456 A1	METHOD FOR TRANSMITTING DOWNLINK PACKET IN FUNCTION-SEPARATED CORE NETWORK	EP EPO European Patent Office	View
ES20160888308T	ES2862920 T3		ES (SPAIN)	View
US202016840321	US2020236067 A1	METHOD FOR TRANSMITTING DOWNLINK PACKET IN FUNCTION-SEPARATED CORE NETWORK	US (UNITED STATES)	View
CN202110884353	CN113473630 A	METHOD FOR TRANSMITTING DOWNLINK PACKET AND GATEWAY	CN (CHINA)	View
RU20190143488	RU2722424 C2		RU (RUSSIAN FEDERATION)	View
EP20170839793	EP3498023 B1	METHOD AND APPARATUS FOR CONTROLLING SEMI-PERSISTENT SCHEDULING	EP EPO European Patent Office	View
EP20220157266	EP4021132 A1	METHOD FOR CONTROLLING SEMI-PERSISTENT SCHEDULING	EP EPO European Patent Office	View
RU20200117036	RU2735387 C1	METHOD AND APPARATUS FOR CONTROLLING SEMI-PERSISTENT SCHEDULING	RU (RUSSIAN FEDERATION)	View
US201715670308	US10645527 B2	METHOD AND APPARATUS FOR CONTROLLING SEMI-PERSISTENT SCHEUDLING	US (UNITED STATES)	View
US202016775789	US10721588 B2	METHOD AND APPARATUS FOR CONTROLLING SEMI-PERSISTENT SCHEDULING	US (UNITED STATES)	View
US202016899856	US11044576 B2	METHOD AND APPARATUS FOR CONTROLLING SEMI-PERSISTENT SCHEDULING	US (UNITED STATES)	View
US202217584458	US2022150814 A1	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	US (UNITED STATES)	View
US202117500071	US2022039005 A1	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	US (UNITED STATES)	View
US202016793882	US11265809 B2	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	US (UNITED STATES)	View
JP20220023078	JP2022062265 A	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	JP (JAPAN)	View
JP20200104816	JP2020162153 A	METHOD AND DEVICE FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	JP (JAPAN)	View
ES20160866598T	ES2914802 T3		ES (SPAIN)	View
EP20220160678	EP4030796 A1	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	EP EPO European Patent Office	View
EP20220157546	EP4021032 A1	METHOD AND APPARATUS FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	EP EPO European Patent Office	View
CN202111192410	CN113891433 A	METHOD OF OPERATING BASE STATION APPARATUS AND TERMINAL DEVICE FOR SELECTING CORE NETWORK	CN (CHINA)	View
CN202110428320	CN112954775 A	BASE STATION DEVICE FOR SELECTING CORE NETWORK IN MOBILE COMMUNICATION SYSTEM	CN (CHINA)	View
KR20190048233	KR102101577 B1	/ METHOD AND APPARATUS FOR PERFORMING ACTIVATION/DEACTIVATION OF SERVING CELL IN WIRELESS COMMUNICATION SYSTEM USING DUAL CONNECTIVITY	KR (KOREA (REPUBLIC OF))	View
KR20190048234	KR102101578 B1	/ METHOD AND APPARATUS FOR PERFORMING ACTIVATION/DEACTIVATION OF SERVING CELL IN WIRELESS COMMUNICATION SYSTEM USING DUAL CONNECTIVITY	KR (KOREA (REPUBLIC OF))	View
US201816014331	US10397975 B2	METHOD AND APPARATUS FOR PERFORMING ACTIVATION/DEACTIVATION OF SERVING CELL IN WIRELESS COMMUNICATION SYSTEM SUPPORTING DUAL CONNECTIVITY	US (UNITED STATES)	View
US201715718177	US10348385 B2	METHOD AND APPARATUS OF CONTROLLING PERIODIC CSI REPORTING	US (UNITED STATES)	View
KR20190048230	KR102058816 B1	METHOD AND APPARATUS OF CONTROLLING PERIODIC CSI REPORTING	KR (KOREA (REPUBLIC OF))	View
KR20190048232	KR102058817 B1	METHOD AND APPARATUS OF CONTROLLING PERIODIC CSI REPORTING	KR (KOREA (REPUBLIC OF))	View
US201715839079	US10122514 B2	METHOD AND APPARATUS FOR TRANSMITTING HARQ ACK/NACK	US (UNITED STATES)	View
US201816149381	US10355845 B2	METHOD AND APPARATUS FOR TRANSMITTING HARQ ACK/NACK	US (UNITED STATES)	View
KR20200064155	KR102173193 B1	HARQ ACK/NACK METHOD FOR TRANSMITTING HARQ ACK/NACKAND APPARATUS USING THEREOF	KR (KOREA (REPUBLIC OF))	View
US201715686613	US10389492 B2	METHOD AND APPARATUS OF CONTROLLING FOR UPLINK SCHEDULING AND HARQ TIMING	US (UNITED STATES)	View
US201916456853	US10615926 B2	METHOD AND APPARATUS OF CONTROLLING FOR UPLINK SCHEDULING AND HARQ TIMING	US (UNITED STATES)	View
CN201910940520	CN110611951 B	UE AND BASE STATION SUPPORTING HARQ PROCESS IN CROSS-CARRIER SCHEDULING	CN (CHINA)	View
KR20210050862	KR102314101 B1	HARQ METHOD AND APPARATUS OF CONTROLLING UPLINK SCHEDULING AND HARQ TIMING	KR (KOREA (REPUBLIC OF))	View
KR20200058030	KR102251123 B1	HARQ METHOD AND APPARATUS OF CONTROLLING UPLINK SCHEDULING AND HARQ TIMING	KR (KOREA (REPUBLIC OF))	View
ES20150857068T	ES2763948 T3		ES (SPAIN)	View
ES20190203128T	ES2869932 T3		ES (SPAIN)	View
ES20200202795T	ES2902971 T3		ES (SPAIN)	View
US201916403883	US10652941 B2	APPARATUS AND METHOD FOR TRANSMITTING DEVICE TO DEVICE COMMUNICATION CHANNEL IN WIRELESS COMMUNICATION SYSTEM	US (UNITED STATES)	View
US202016775743	US10986681 B2	APPARATUS AND METHOD FOR TRANSMITTING DEVICE TO DEVICE COMMUNICATION CHANNEL IN WIRELESS COMMUNICATION SYSTEM	US (UNITED STATES)	View
EP20200202795	EP3793321 B1	METHOD FOR TRANSMITTING DEVICE TO DEVICE COMMUNICATION CHANNEL IN WIRELESS COMMUNICATION SYSTEM	EP EPO European Patent Office	View
EP20190203128	EP3614785 B1	METHOD FOR TRANSMITTING DEVICE TO DEVICE COMMUNICATION CHANNEL IN WIRELESS COMMUNICATION SYSTEM	EP EPO European Patent Office	View
CN202110785960	CN113573286 A	METHOD AND APPARATUS FOR PERFORMING D2D COMMUNICATION BETWEEN USER EQUIPMENTS	CN (CHINA)	View
CN202110941186	CN113660712 A	BASE STATION SUPPORTING MOBILITY OF MOBILE TERMINAL IN TELECOMMUNICATIONS NETWORK	CN (CHINA)	View
EP20170919966	EP3567980 A4	METHOD AND APPARATUS FOR MANAGING MOBILITY IN WIRELESS COMMUNICATION SYSTEM	EP EPO European Patent Office	View
JP20210097697	JP2021129326 A	METHOD AND APPARATUS FOR MANAGING MOBILITY IN WIRELESS COMMUNICATION SYSTEM	JP (JAPAN)	View
US201716468212	US10912006 B2	METHOD AND APPARATUS FOR MANAGING MOBILITY IN WIRELESS COMMUNICATION SYSTEM	US (UNITED STATES)	View
US202017131399	US2021112477 A1	METHOD AND APPARATUS FOR MANAGING MOBILITY IN WIRELESS COMMUNICATION SYSTEM	US (UNITED STATES)	View
CN202110941194	CN113645673 A	METHOD FOR MANAGING MOBILITY OF MOBILE TERMINAL IN TELECOMMUNICATION NETWORK	CN (CHINA)	View
JP20200037812	JP6952816 B2	BASE STATION DEVICE, TERMINAL DEVICE, AND QOS CONTROL METHOD	JP (JAPAN)	View
US201716303748	US10945159 B2	BASE STATION APPARATUS, TERMINAL APPARATUS, AND QOS CONTROL METHOD	US (UNITED STATES)	View
US202117164247	US2021160737 A1	BASE STATION APPARATUS, TERMINAL APPARATUS, AND QOS CONTROL METHOD	US (UNITED STATES)	View
CN20188004277	CN109923892 B	BASE STATION, AND QOS CONTROL METHOD OF WIRELESS SECTION	CN (CHINA)	View
EP20180839180	EP3525513 A4	BASE STATION, AND QOS CONTROL METHOD OF WIRELESS SECTION	EP EPO European Patent Office	View
US201816474317	US11337102 B2	BASE STATION, AND QOS CONTROL METHOD OF WIRELESS SECTION	US (UNITED STATES)	View
US202117358279	US2021321285 A1	TERMINAL AND QOS CONTROL METHOD IN WIRELESS SECTION	US (UNITED STATES)	View
US202217682291	US2022182871 A1	BASE STATION, AND QOS CONTROL METHOD OF WIRELESS SECTION	US (UNITED STATES)	View
WO2018KR03971	WO2019022341 A1	BASE STATION, AND QOS CONTROL METHOD OF WIRELESS SECTION	WO PCT Patent Cooperation Treaty	View
JP20200206882	JP7051995 B2	BASE STATION DEVICE AND QOS CONTROL METHOD FOR WIRELESS SECTION	JP (JAPAN)	View
ES20160906407T	ES2869289 T3		ES (SPAIN)	View
US201616302819	US11019664 B2	UPLINK SIGNAL TRANSMISSION DEVICE AND UPLINK SIGNAL TRANSMISSION METHOD	US (UNITED STATES)	View
US202117366193	US2021336739 A1	TERMINAL FOR TRANSMITTING REFERENCE SIGNAL TRANSMISSION DEVICE AND METHOD THEREOF	US (UNITED STATES)	View
US201916534466	US11038627 B2	METHOD AND APPARATUS FOR CONTROLLING SOFT BUFFER FOR TDD-FDD CARRIER AGGREGATION	US (UNITED STATES)	View
US201816111540	US10637614 B2	METHOD AND APPARATUS FOR CONTROLLING SOFT BUFFER FOR TDD-FDD CARRIER AGGREGATION	US (UNITED STATES)	View

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