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:
Aug. 05, 2014
Filed:
Jun. 23, 2009
Mikio Iwamura, Yokohama, JP;
Wuri Andarmawanti Hapsari, Yokosuka, JP;
Shogo Yabuki, Yokosuka, JP;
Alf Zugenmaier, Munich, DE;
Mikio Iwamura, Yokohama, JP;
Wuri Andarmawanti Hapsari, Yokosuka, JP;
Shogo Yabuki, Yokosuka, JP;
Alf Zugenmaier, Munich, DE;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
A mobile communication method according to the present invention including the steps of: generating, at a mobile station (UE), first verification information by use of a first key, a first parameter and an algorithm for 'Integrity Protection'; generating, at the mobile station (UE), second verification information by extracting predetermined bits of the first verification information; and performing, at the mobile station (UE), cell selection processing, and transmitting, from the mobile station to a radio base station that manages the selected cell, an RRC-PDU for RRC connection re-establishment request through a common control channel, upon detection of a radio link failure in an RRC connection, the second verification information being set in the RRC-PDU for RRC connection re-establishment request.