Patent ID: 7801064

Claim:
A wireless device connected to a plurality of hierarchized wireless devices via a network, comprising: an acquisition unit for acquiring network information of another communicable device in advance; a destination determination unit for determining whether the another communicable device is a data transmission destination or not, based on the network information acquired by the acquisition unit; a transmission control unit for transmitting data to the another communicable device when the destination determination unit determines that the another communicable device is the data transmission destination, and for transmitting the data to another device connected at a higher layer or a lower layer via the network when the destination determination unit determines that the another communicable device is not the data transmission destination; and a transmittability determination unit for determining whether the data can be transmitted to each of other devices connected at a higher layer and at a lower layer via the network, wherein the transmission control unit transmits the data to the another communicable device based on the network information when the transmittability determination unit determines that the data cannot be transmitted to the another device at the higher layer or at the lower layer.