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:
Oct. 01, 2019
Filed:
Mar. 21, 2017
Hitachi, Ltd., Tokyo, JP;
Ryo Nakano, Tokyo, JP;
Takuma Nishimura, Tokyo, JP;
Hirotaka Moribe, Tokyo, JP;
Shinichi Tsunoo, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A network management device manages a wireless multi-hop network; a network configuration management unit that manages communication quality information between wireless devices and between the wireless devices and the gateway; a repeater necessity determination unit that determines whether to add a repeater for each of the wireless devices based on the communication quality information and selects the wireless device that is required to add the repeater based on a determination result; an access point determination unit determines access points for securing a predetermined communication quality for the wireless device selected; and a repeater placement determination unit that determines whether there is a repeater installation location indicating an installation range of the repeater for relaying the wireless device selected and the access point selected by the access point determination unit based on a communication range of the wireless device selected and a communication range of the access point selected.