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:
Sep. 01, 2015
Filed:
May. 31, 2012
Shinichi Hirata, Kawasaki, JP;
Jun Hasegawa, Akashi, JP;
Takahiro Koharagi, Tokyo, JP;
Hiroaki Kawasumi, Tokyo, JP;
Katsumi Kobayashi, Tokyo, JP;
Masashi Kuwahara, Fukushima, JP;
Takuji Furusawa, Tokyo, JP;
Masaharu Nozawa, Shizuoka, JP;
Shinichi Hirata, Kawasaki, JP;
Jun Hasegawa, Akashi, JP;
Takahiro Koharagi, Tokyo, JP;
Hiroaki Kawasumi, Tokyo, JP;
Katsumi Kobayashi, Tokyo, JP;
Masashi Kuwahara, Fukushima, JP;
Takuji Furusawa, Tokyo, JP;
Masaharu Nozawa, Shizuoka, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A node apparatus for forming a wireless ad-hoc network, including: a recognition possibility determination unit that determines whether or not a gateway apparatus connecting the wireless ad-hoc network to other network can be recognized; an adjoining node detection unit that detects other node apparatus which is the source of a received packet as an adjoining node; a channel switching unit that switches, when the recognition possibility determination unit determines that the gateway apparatus cannot be recognized, the channel used for reception of packets transmitted in the wireless ad-hoc network successively to each of a plurality of channels; and a channel selection unit that selects a channel to be used for communication in the wireless ad-hoc network based on the number of adjoining nodes detected by the adjoining node detection unit in each of the plurality of channels.