Patent ID: 7873848
Filing Date: 2011-01-18
Classification: H04W,Y02D

Abstract:
1. A communication apparatus that directly communicates with other apparatuses in a network without use of a base station, comprising: a change unit constructed to change a power mode of the communication apparatus to a power save mode; a determination unit constructed to determine a period during which an apparatus of the other apparatuses in the network in a power save mode will be awake; a notification unit constructed to notify one or more apparatuses of the other apparatuses in the network of a change to the power save mode in the period determined by the determination unit, regardless of whether or not the one or more apparatuses are in the power save mode, when the power mode of the communication apparatus is changed to the power save mode by the change unit; a receiving unit constructed to receive a notification of change to the power save mode from one or more apparatuses of the other apparatuses; and a management unit constructed to manage the one or more apparatuses of the other apparatuses which transmitted the notification of change to the power save mode, as a power save apparatus in the power save mode.