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. 31, 2015
Filed:
Jun. 11, 2013
Motorola Mobility Llc, Libertyville, IL (US);
Matthieu Baglin, Toulouse, FR;
Lionel F. Ulmer, Toulouse, FR;
Google Technology Holdings LLC, Mountain View, CA (US);
Abstract
A method of implementing security in a wireless communication device () comprises receiving (), at the device (), a security mode command for activating a security mode in the device and storing a sequence number of the received security mode command. A security mode complete or failure message is sent () based on whether a security mode is activated in the device. An acknowledgement of the security mode complete or failure message is received () and a timestamp of the acknowledgement is stored. On receiving a PDU, sequence numbers and timestamps of segments of the received PDU are compared () with the stored sequence number and timestamp of the acknowledgement. The received PDU segments are managed () in response to the comparisons, and the sending of the security mode complete or security mode failure message. A wireless communication device is also disclosed.