Communication apparatus and control method therefor
AssigneeCanon Kabushiki Kaisha
InventorTomokazu Yamaki
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Abstract
An operating state of a communication unit of a communication apparatus is kept for a keep period in accordance with a transmission cycle of control information transmitted by another communication apparatus. The communication apparatus wirelessly communicates with the other communication apparatus in the operating state. If the keep period elapses, the communication unit is switched from the operating state to a hibernation state. The communication apparatus does not communicate with the other communication apparatus in the hibernation state.
Claims9
A communication apparatus comprising:
- a communication unit configured to wirelessly communicate with another communication apparatus in an awake state, and not to wirelessly communicate with the other communication apparatus in a doze state;
- and
- a determination unit configured to determine a keep period corresponding to a predetermined percentage of a transmission cycle of a beacon signal transmitted by the other communication apparatus, the keep period indicating a period to keep the awake state in one transmission cycle of the beacon signal,
- wherein (a) the communication unit transits from the doze state to the awake state in accordance with reception timing of the beacon signal, (b) the awake state of the communication unit is kept for the determined keep period, and (c) if the determined keep period elapses, the communication unit transits from the awake state to the doze state.
A control method of a communication apparatus comprising a communication unit which performs wireless communication with another communication apparatus in an awake state and does not perform the wireless communication in a doze state, the method comprising steps of:
- determining a keep period corresponding to a predetermined percentage of transmission cycle of a beacon signal transmitted by the other communication apparatus, the keep period indicating a period to keep the awake state in one transmission cycle of the beacon signal;
- transiting from the doze state of the communication unit to the awake state of the communication unit in accordance with reception timing of the beacons signal;
- keeping the awake state of the communication unit for the determined keep period;
- and
- transiting, it the determined keep period elapses, from the awake state of the communication unit to the doze state of the communication unit.
A non-transitory computer readable medium storing computer-executable program for causing a computer to perform a control method of a communication apparatus comprising a communication unit which performs wireless communication with another communication apparatus in an awake state and does not perform the wireless communication in a doze state, the method comprising steps of:
- determining a keep period corresponding to a predetermined percentage of a transmission cycle of a beacon signal transmitted by the other communication apparatus, the keep period indicating a period to keep the awake state in one transmission cycle of the beacon signal;
- transiting from the doze state of the communication unit to the awake state of the communication unit in accordance with reception timing of the beacons signal;
- keeping the awake state of the communication unit for the determined keep period;
- and
- transiting, if the determined keep period elapses, from the awake state of the communication unit to the doze state of the communication unit.
Dependencies are inferred from the claim text.