FIELD: information technologies.
SUBSTANCE: remote control data is reliably sent to a controlled device. The remote control device sends a confirmation request for A ch to a device (S21). When the controlled device assigns A ch as a receiving channel, ACK acknowledgement is received. A ch is assigned as a transmitting channel (S23), and command frames are sent via A ch (S24). When ACK acknowledgement is not received, the confirmation request for B ch is sent to the controlled device (S25). When the controlled device assigns A ch as a receiving channel, ACK acknowledgement is received. B ch is assigned as a transmitting channel (S27), and command frames are sent via B ch (S28). The remote control device may send a command via a channel, through which the controlled device may receive the command so that reliable remote control could be carried out.
EFFECT: reliable suppression of noise source effect.
19 cl, 8 dwg
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Authors
Dates
2011-12-20—Published
2007-09-21—Filed