CONTROL DEVICE AND COMMUNICATION CONTROL METHOD
First Claim
1. A control device which communicates with a controlled device, comprising:
- a first instruction unit configured to instruct the controlled device to transmit a signal captured by the controlled device to the control device;
a reception unit configured to receive the captured signal transmitted from the controlled device in accordance with the instruction of said first instruction unit;
a decision unit configured to decide, based on the captured signal said reception unit have received from each of a plurality of controlled devices, a controlled device which should transmit a beacon; and
a second instruction unit configured to instruct the controlled device decided by said decision unit to transmit a beacon.
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Accused Products
Abstract
This invention eliminates unnecessary beacon transmission by a DBD and suppresses the power consumption of each device included in a wireless communication network. This invention provides a communication control method in a host which wirelessly communicates with a DBD via a wireless USB. The method includes the steps of transmitting a capture packet command to a DBD when it is activated, analyzing a received captured signal and determining the presence/absence of another Wimedia device unrecognized by the host, and upon determining that the other Wimedia device unrecognized by the host exists, instructing the activated DBD to transmit a beacon to implement wireless communication synchronized with the host.
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Citations
10 Claims
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1. A control device which communicates with a controlled device, comprising:
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a first instruction unit configured to instruct the controlled device to transmit a signal captured by the controlled device to the control device; a reception unit configured to receive the captured signal transmitted from the controlled device in accordance with the instruction of said first instruction unit; a decision unit configured to decide, based on the captured signal said reception unit have received from each of a plurality of controlled devices, a controlled device which should transmit a beacon; and a second instruction unit configured to instruct the controlled device decided by said decision unit to transmit a beacon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A communication control method in a control device which communicates with a controlled device, comprising the steps of:
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instructing the controlled device to transmit a signal captured by the controlled device to the control device; receiving the captured signal transmitted from the controlled device in accordance with the instruction in the instructing step of instructing the controlled device to transmit the signal to the control device; deciding, based on the captured signal received from each of a plurality of controlled devices in the receiving step, a controlled device which should transmit a beacon; and instructing the controlled device decided in the deciding step to transmit a beacon. - View Dependent Claims (10)
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Specification