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:
Dec. 29, 2015
Filed:
Sep. 21, 2011
Isamu Fukuda, Kawasaki, JP;
Isamu Fukuda, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A system includes: a first radio base station including: a first processor which performs processes to transmit and receive a first encryption key, and an first interface which transmits or receives the encapsulated packet, the second radio base station includes: a second interface which transmits or receives the encapsulated packet; and a second processor which encrypts or decrypts the packet with the first encryption key, the host node includes: a third processor which encrypts or decrypts the packet, and during processing of a handover of the mobile station, the host node transmits the packet encrypted with the first encryption key to the first radio base station, the first radio base station transmits the packet to the second radio base station by the tunneling, and the second radio base station decapsulates the packet, decrypts the packet with the first encryption key, and then transmits the packet to the mobile station.