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:
Apr. 13, 2015
Filed:
Jun. 30, 2013
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Suguru Toyokawa, Tokyo, JP;
Masafumi Aramoto, Tokyo, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
There are provided a communication system, a control apparatus, a router, and communication method thereof, there are capable of eliminating loss in packets during a handover and effectively releasing a resource of a router in a network base IP mobility protocol in which a mobile mode is movable without mounting a special protocol. When an MNas a mobile terminal is moved, a router at a movement destination, a mobile access gateway (MAG)bthat has received a router solicitation from the MNsends a location registration to a control apparatus, a local mobility anchor (LMA)and when the LMAdetermines as a handover, the LMAinstructs a router at a movement source, an MAGaor an MAGbto transfer a buffer from the MAGato the MAGb