Wireless communication system including a server device and...

Telecommunications – Carrier wave repeater or relay system – Two separate way transmission

Reexamination Certificate

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Details

C455S025000, C455S041200, C455S456100, C340S007460

Reexamination Certificate

active

08005423

ABSTRACT:
A communication system includes: a plurality of mobile communication terminals; a server device; and a plurality of relay devices performing a relay between the plurality of mobile communication terminals and the server device. The mobile communication terminals include: a communication unit transmitting and receiving a long wave wirelessly, and a processing unit performing a predetermined process based on received information. The relay devices include: a first communication unit transmitting and receiving the long wave wirelessly with respect to the mobile communication terminals, a second communication unit communicating with the server device, and a relay processing unit performing a relaying process in which information received from the server device via the second communication unit is transmitted to the mobile communication terminals via the first communication unit, and a relaying process in which information received from the mobile communication terminals via the first communication unit to the server device via the second communication unit. The server device includes: a communication unit communicating with the relay devices, a group information storing unit storing group information on a group to which the mobile communication terminals belong, and a group communication processing unit performing a group communication process in which mobile communication terminals that belong to a predetermined group are extracted based on the group information so as to transmit predetermined information to the mobile communication terminals that are extracted.

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