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.

Date of Patent:
Mar. 03, 2015

Filed:

Oct. 30, 2009
Applicants:

Eunkyung Kim, Seoul, KR;

Juhee Kim, Daejeon, KR;

Hyun-jae Kim, Incheon, KR;

Kyung Soo Kim, Daejeon, KR;

Inventors:

Eunkyung Kim, Seoul, KR;

Juhee Kim, Daejeon, KR;

Hyun-Jae Kim, Incheon, KR;

Kyung Soo Kim, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 17/00 (2006.01); H04W 4/00 (2009.01); H04B 1/38 (2006.01); H04W 52/02 (2009.01); H04L 5/02 (2006.01); H04L 27/26 (2006.01); H04W 36/24 (2009.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 52/0229 (2013.01); H04L 5/02 (2013.01); H04L 27/2601 (2013.01); H04W 36/24 (2013.01); H04W 52/0206 (2013.01); H04W 72/042 (2013.01); H04W 72/0453 (2013.01);
Abstract

A multi-carriers management device of a communication system supporting multi-carriers requests a terminal attempting to enter a sleep window to change a primary carrier, and transmits a control message to the terminal through the changed primary carrier during the sleep window.


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