The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2011
Filed:
Dec. 24, 2004
Chul-sik Yoon, Daejeon, KR;
Jae-heung Kim, Daejeon, KR;
Kun-min Yeo, Daejeon, KR;
Soon-yong Lim, Daejeon, KR;
Byung-han Ryu, Daejeon, KR;
Chul-Sik Yoon, Daejeon, KR;
Jae-Heung Kim, Daejeon, KR;
Kun-Min Yeo, Daejeon, KR;
Soon-Yong Lim, Daejeon, KR;
Byung-Han Ryu, Daejeon, KR;
Electronics and Telecommunications Research Institute, , KR;
Samsung Electronics Co., Ltd., , KR;
KT Corporation, , KR;
SK Telecom Co., Ltd., , KR;
KTFreetel Co., Ltd., , KR;
Hanaro Telecom, Inc., , KR;
Abstract
Disclosed is a method and device for controlling a power saving mode for applying the sleep mode for saving power consumption to the mobility of subscriber stations in a mobile communication network and a wireless Internet system. Subscriber stations entering the sleep mode are constantly grouped, listening intervals of the subscriber stations for each group are not superimposed, the existence state of traffic in the subscriber stations is independently notified for each group, and the overhead of signaling messages is minimized when the traffic is notified to the subscriber station in the sleep mode.