| 摘要 |
<p>We describe a transmission method between components (S1, S2) and a control unit (M1) of a home automation system formed by networked components and adapted to coordinate and/or to supervise for safety the maneuver of a movable barrier such as sliding or hinged gates, doors or garage doors, shutters, blinds, curtains or blinds in general, wherein
- the control unit transmits with a fixed power, while
a component calculates the attenuation of the signal received from the control unit and transmits with power proportional to the attenuation.
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