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:
Oct. 13, 2015
Filed:
Dec. 08, 2011
Inuk Jung, Anyang-si, KR;
Jinsam Kwak, Anyang-si, KR;
Kiseon Ryu, Anyang-si, KR;
Wookbong Lee, Anyang-si, KR;
Inuk Jung, Anyang-si, KR;
Jinsam Kwak, Anyang-si, KR;
Kiseon Ryu, Anyang-si, KR;
Wookbong Lee, Anyang-si, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A method for decrypting multicast data by a mobile station in a wireless communication system is described. The method includes receiving an identifier of a group from a base station, receiving parameters for generating a group traffic key from the base station, wherein the parameters include an authentication key for the group, a group security seed and a counter, performing a key derivation function to generate the group traffic key based on the identifier and the parameters and decrypting multicast data using the group traffic key.