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:
Dec. 30, 2025
Filed:
May. 25, 2020
Ntt, Inc., Tokyo, JP;
Daisuke Goto, Musashino, JP;
Kiyohiko Itokawa, Musashino, JP;
Yasuyoshi Kojima, Musashino, JP;
Fumihiro Yamashita, Musashino, JP;
NTT, Inc., Tokyo, JP;
Abstract
In a wireless communication system in which a relay apparatus provided in a mobile object wirelessly communicates with a plurality of communication apparatuses placed at different locations, the relay apparatus includes a receiver that receives a signal transmitted from each of the plurality of communication apparatus, the signal including position information indicating a position of each communication apparatus, a measurement unit that measures a congestion level of communication, a control unit that divides a communication target area into a plurality of small areas in accordance with the positions of the plurality of communication apparatuses and the congestion level of communication and generates area information indicating a position of each of the small areas, and a transmitter that sequentially transmits a plurality of pieces of the area information when the relay apparatus is positioned in a range in which the relay apparatus can communicate with the communication apparatuses, and each communication apparatus includes a storage unit that stores transmission data, a receiver that receives the area information, a control unit that determines whether a position of the communication apparatus is included in the small area in accordance with the area information, and a transmitter that transmits a signal including the transmission data and position information indicating a position of the communication apparatus to the relay apparatus when the position of the communication apparatus is included in the small area.