Patent ID: 11906635
Assignee: SEPTENTRIO N.V.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. A method for recreating unavailable measurements in a global navigation satellite system (GNSS) receiver, the method comprising:
receiving at least one tracking signal from a GNSS satellite in a first frequency band, the first frequency band including a first carrier frequency (fi), the at least one tracking signal providing at least an available pseudorange measurement (Pi) at the first carrier frequency (fi) and an available carrier phase measurement (ϕi) at the first carrier frequency (fi);
receiving at least one correction signal in a second frequency band, the second frequency band including a target carrier frequency (fk) and not including the first carrier frequency (fi);
without using any prior measurements from the GNSS satellite at the target carrier frequency (fk):
deriving, from at least the available pseudorange measurement (Pi), a pseudorange estimate ({circumflex over (P)}k) at the target carrier frequency (fk); and
deriving, from at least the available pseudorange measurement (Pi) and from at least the available carrier phase measurement (ϕi), a carrier phase estimate (ϕk) at said target carrier frequency (fk);

determining a simulated tracking measurement using the pseudorange estimate ({circumflex over (P)}k) and the carrier phase estimate (ϕk); and
determining a location parameter based on said simulated tracking measurement and said at least one correction signal.