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METHOD AND SYSTEM FOR RADIO FREQUENCY COVERAGE PREDICTION IN A MULTI-LEVEL WIRELESS NETWORK

  • US 20110263277A1
  • Filed: 04/23/2010
  • Published: 10/27/2011
  • Est. Priority Date: 04/23/2010
  • Status: Active Grant
First Claim
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1. A method for predicting radio frequency (RF) coverage in a multi-level wireless network, the multi-level wireless network including a plurality of wireless devices, each of the wireless devices of the plurality of wireless devices including an RF transmitter, the method comprising:

  • determining, by a network management server, a two-dimensional wireless network configuration model of a vertical level of the multi-level wireless network;

    determining a path loss in a propagation path of an RF signal from an RF transmitter of a wireless device of the plurality of wireless devices to a grid point in the vertical level, wherein the path loss is based on a plurality of path loss exponents;

    determining a signal strength loss due to one or more obstacles intersecting the propagation path; and

    predicting a strength of the RF signal based on the path loss and the signal strength loss.

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