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Characterisation of a wireless communications link

  • US 9,319,157 B2
  • Filed: 06/18/2010
  • Issued: 04/19/2016
  • Est. Priority Date: 06/19/2009
  • Status: Active Grant
First Claim
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1. A computer implemented method for characterising a wireless communications link between a transmitter and a receiver, comprising:

  • obtaining first data contained in a signal transmitted from the transmitter to the receiver, the first data including a position of the transmitter;

    obtaining second data including a position of the receiver;

    obtaining a determination of transmitted power at an output of the transmitter;

    obtaining a determination of received power at an input to the receiver, the received power being determined based on the signal containing the first data and received at the receiver;

    determining a distance between the transmitter and the receiver, using said position of the transmitter and position of the receiver;

    determining a modelled path loss based on the distance and a model of path losses;

    generating at least one non line-of-sight metric to characterise the wireless link between the transmitter and the receiver based on the modelled path loss, the transmitted power and the received power; and

    outputting the non line-of-sight metric to characterise the wireless communications link;

    wherein at least one of the transmitter and the receiver is mobile.

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