×

Method and apparatus for distribution of satellite navigation data

  • US 7,945,387 B2
  • Filed: 11/21/2003
  • Issued: 05/17/2011
  • Est. Priority Date: 03/19/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of distributing satellite navigation data, comprising:

  • processing satellite signals at each of a plurality of reference stations to receive a respective plurality of satellite navigation data streams, wherein each of the satellite navigation data streams comprise a plurality of subframes carrying different portions of ephemeris data, and another plurality of subframes carrying different portions of an almanac;

    forming packets in response to said plurality of satellite navigation data streams to generate a plurality of packetized satellite navigation data streams, wherein each one of the plurality of subframes carrying different portions of ephemeris data, and each one of the plurality of subframes carrying different portions of the almanac from one of the plurality of satellite navigation streams are placed in different packets;

    sending each of said plurality of packetized satellite navigation data streams to a processing system;

    removing, at said processing system, duplicate packets within said plurality of packetized satellite navigation data streams to generate a combined packet stream; and

    sending said combined packet stream into a communication network.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×