| 摘要 |
A wireless unit 12 through a processing unit 16 communicate while forming an ad hoc network with other terminal apparatuses. A control unit 18 receives, when being assigned a role of approving participation of a new terminal apparatus in an ad hoc network, a participation request from a new terminal apparatus over a predetermined period after the execution of the role is requested and performs an approval process. The control unit 18 calculates the number of new terminal apparatuses at this time that have been approved. The control unit 18 gives notification of the result of calculation in addition to giving notification of the result of the approval process.
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