US 7,486,952 B1
Facilitated security for handoff in wireless communications
Stephen William Davies, Toronto (Canada); and Michaela C Vanderveen, Lincroft, N.J. (US)
Assigned to Alcatel-Lucent USA Inc., Murray Hill, N.J. (US)
Filed on Feb. 09, 2000, as Appl. No. 9/501,168.
Int. Cl. H04Q 7/20 (2006.01); H04Q 7/00 (2006.01); H04L 1/00 (2006.01)
U.S. Cl. 455—436  [455/435.1; 455/450; 455/437; 370/331; 370/337] 19 Claims
OG exemplary drawing
 
1. A method for facilitating secure handoff in a network having at least first and second wireless base stations and at least one wireless mobile terminal, the method comprising the steps of:
receiving a request from said at least one wireless mobile terminal for a handoff from said first base station to said second base station; and
transferring security information that was originally supplied by a central security node and was not used by said first base station from said first base station to said second base station in response to said request;
wherein at least a portion of said security information is used to validate said at least one mobile wireless terminal to said second base station.