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:
Jan. 22, 2019
Filed:
Feb. 02, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Masaki Nakajima, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A radio communication device includes a memory, and a control circuit coupled to the memory and configured to perform a communication with a first base station based on a first communication protocol for a call, when the call is disconnected, store, in the memory, state information indicating a state of the call before the disconnection, after the disconnection, perform a first search for a second base station which is configured to communicate based on the first communication protocol, when the first search failed, perform a second search for and identify a third base station which is configured to communicate based on a second communication protocol different from the first communication protocol, perform waiting at the third base station, and when the waiting is started, restore the state of the call before the disconnection based on the state information stored in the memory.