| US 7,492,747 B2 | ||
| Secure patch installation for WWAN systems | ||
| Axel Wachtler, Meissen (Germany); Richard Powell, Maidenhead (United Kingdom); Michael Grell, Dresden (Germany); and Ralf Findeisen, Dresden (Germany) | ||
| Assigned to Advanced Micro Devices, Inc., Sunnyvale, Calif. (US) | ||
| Filed on Dec. 21, 2005, as Appl. No. 11/316,499. | ||
| Claims priority of application No. 10 2005 035 736 (DE), filed on Jul. 29, 2005. | ||
| Prior Publication US 2007/0028296 A1, Feb. 01, 2007 | ||
| Int. Cl. H04L 9/32 (2006.01) | ||
| U.S. Cl. 370—338 [455/517; 726/2] | 20 Claims |
| 1. A WWAN (Wireless Wide Area Network) communication device comprising:
a first processor arranged to process patches updating software running on the WWAN communication device;
a second processor arranged to provide a first set of said patches to said first processor; and
a memory storing a second set of said patches to be processed by said first processor;
wherein the second processor is further arranged to send a patch end signal to said first processor, the patch end signal
causing the first processor to stop processing of patches provided by the second processor; and
wherein the first processor is further arranged to process the patches stored in said memory independently of said patch end
signal.
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