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Remote unit link quality monitoring

  • US 9,129,502 B2
  • Filed: 07/12/2010
  • Issued: 09/08/2015
  • Est. Priority Date: 07/12/2010
  • Status: Active Grant
First Claim
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1. A method for verifying communication between a first unit and a second unit, the first unit adapted to communicate with the second unit, the first unit being a mobile unit or a stationary unit and the second unit being a mobile unit, the method comprising:

  • performing multiple checks;

    wherein each check comprises;

    the first unit receiving a trigger event;

    the first unit sending a request signal to the second unit;

    the first unit determining that a response signal was not received from the second unit or that a response signal is of low quality or intensity was received;

    firing an alert, wherein the two units are adapted to communicate in a non-continuous manner; and

    testing a quality or intensity parameter of the response signal;

    wherein when the second unit moves at a speed that is below a predefined threshold the multiple checks are executed at a first rate;

    wherein when the second unit moves at a speed that is above the predefined threshold the multiple checks are executed at a second rate, wherein the first rate is lower than the second rate.

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