Patent ID: 8599743

Claim:
A wireless communications apparatus in a network of a plurality of wireless communications apparatuses connected by a plurality of routes, the wireless communications apparatus comprising: a receiving unit configured to receive a packet to which power consumption information is attached, the power consumption information indicating power consumption for transferring the packet in the network; an acquiring unit configured to acquire the power consumption information attached to the packet received by the receiving unit; a decision unit configured to determine one of the plurality of routes that has the minimum power consumption by comparing the power consumption information acquired by the acquiring unit regarding the one route with that of another of the routes in the network; a power consumption determination unit configured to determine whether the power consumption indicated by the power consumption information acquired by the acquiring unit is greater than a predetermined threshold value; and a routing requesting unit configured to request one of the plurality of wireless communications apparatuses that transmitted the packet to perform a routing process when the power consumption determination unit determines that the power consumption indicated by the power consumption information is greater than the predetermined threshold value.