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:
Aug. 30, 2016
Filed:
Feb. 28, 2012
Applicants:
IN Uk Jung, Anyang-si, KR;
Jin Sam Kwak, Anyang-si, KR;
Ki Seon Ryu, Anyang-si, KR;
Wook Bong Lee, Anyang-si, KR;
Inventors:
In Uk Jung, Anyang-si, KR;
Jin Sam Kwak, Anyang-si, KR;
Ki Seon Ryu, Anyang-si, KR;
Wook Bong Lee, Anyang-si, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/04 (2009.01); H04L 29/06 (2006.01); H04W 12/02 (2009.01); H04W 4/00 (2009.01);
U.S. Cl.
CPC ...
H04W 12/04 (2013.01); H04L 63/104 (2013.01); H04W 4/005 (2013.01); H04W 12/02 (2013.01);
Abstract
A method for updating a group traffic key used for encrypting and decrypting multicast data in a wireless communication system is described. The method includes receiving, from the base station, a first message comprising a new group security seed; and updating the group traffic key based on the new group security seed.