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:
Jun. 30, 2020
Filed:
Nov. 06, 2018
Nec Corporation, Tokyo, JP;
Katsutoshi Nishida, Tokyo, JP;
Toshiyuki Tamura, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A mobile communication method in a mobile communication system according to the present invention in which when MME #is restarted in a first state in which a PDN connection #including one or more EPS bearers #is set among a UE, an S-GW #, and a P-GW #, the first state transitions to a second state in which the PDN connection #is released between the UE and the S-GW #and the connection is maintained only between the S-GW #and the P-GW #, the mobile communication method including the step of not transmitting, by the MME #, 'Paging' whose destination is the UE upon receiving 'DDN' including IMSI of the UE after detecting that re-attach processing for the mobile station has been executed in the second state.