GNSS antenna with an integrated antenna element and additional information sources

Patent metadata

Field	Value
Publication number	US-10088576-B2
Application number	US-201615745456-A
Country	US
Kind code	B2
Filing date	Apr 27, 2016
Priority date	Apr 27, 2016
Publication date	Oct 2, 2018
Grant date	Oct 2, 2018

Abstract

An improved GNSS antenna having an integrated antenna element in combination with a plurality of built-in sources of additional data and/or a plurality of devices for receiving additional information for exchanging the information and transmission of GNSS signals from the antenna element to a GNSS receiver over a single RF cable.

First claim

The invention claimed is:

1. A GNSS antenna comprising:
an antenna module for receiving a GNSS signal;
an amplifier for amplifying the GNSS signal;
a plurality of sources of additional information;
a radio frequency (RF) cable;
a transceiver for providing two-way data communication, using the RF cable, between particular ones of the sources of additional information and at least one location external to the GNSS antenna; and
a digital controlling device for synchronizing particular ones of the additional information with a time scale associated with the at least one external location by exchanging the particular ones of the additional information via the RF cable and the transceiver.

2. The GNSS antenna of claim 1 wherein the plurality of sources includes at least one inertial sensor, the inertial sensor measuring at least one of an acceleration vector and an angular velocity vector.

3. The GNSS antenna of claim 2 wherein the plurality of sources includes at least one atmospheric sensor, the atmospheric sensor measuring at least one of a pressure, a humidity level, and an ambient temperature at a point of receiving the GNSS signal.

4. The GNSS antenna of claim 3 wherein the plurality of sources include at least one magnetic sensor, the magnetic sensor measuring at least one magnetic field vector.

5. The GNSS antenna of claim 3 , further comprising:
a housing having at least one orifice therein for providing a contact area between the atmospheric sensor and an external environment surrounding the GNSS antenna.

6. The GNSS antenna of claim 1 wherein the plurality of sources includes a non-volatile memory.

7. The GNSS antenna of claim 1 further comprising:
a plurality of devices for receiving the additional information.

8. The GNSS antenna of claim 6 wherein the non-volatile memory stores a set of operating parameters for the GNSS antenna.

9. The GNSS antenna of claim 1 wherein the two-way data communication is a full duplex mode communication.

10. The GNSS antenna of claim 1 wherein the two-way data communication is a half-duplex communication.

11. A navigation system comprising:
at least one GNSS antenna, the at least one GNSS antenna comprising:
an antenna module for receiving a GNSS signal;
an amplifier for amplifying the GNSS signal;
a plurality of sources of additional information;
a first transceiver for providing two-way data communication between particular ones of the sources of the additional information and at least one location external to the GNSS antenna;
a radio frequency (RF) cable; and
a digital controlling device for synchronizing particular ones of the additional information with a time scale associated with the at least one external location by exchanging the particular ones of the additional information via the RF cable and the first transceiver;

a GNSS receiver having a second transceiver for transmitting and receiving particular other ones of the additional information across the RF cable, the receiving of the particular other ones of the additional information occurring simultaneously with the receiving of the GNSS signal across the RF cable; and
a computation unit for co-processing a plurality of GNSS measurements received by the navigation system together with the additional information from the plurality of sources associated with the GNSS antenna.

12. The navigation system of claim 11 wherein the co-processing of the plurality of GNSS measurements together with the additional information results in identifying a specific GNSS position.

13. The navigation system of claim 11 wherein the plurality of sources includes at least one inertial sensor, the inertial sensor measuring at least one of an acceleration vector and an angular velocity vector.

14. The navigation system of claim 13 wherein the plurality of sources includes at least one atmospheric sensor, the atmospheric sensor measuring at least one of a pressure, a humidity level, and an ambient temperature at a point of receiving the GNSS signal.

15. The navigation system of claim 11 wherein the first transceiver and the second transceiver are in two-way communication across the RF cable.

16. The navigation system of claim 14 wherein the plurality of sources includes at least one magnetic sensor, the magnetic sensor measuring at least one magnetic field vector.

17. The navigation system of claim 14 wherein the GNSS antenna further comprises:
a housing having at least one orifice therein for providing a contact area between the atmospheric sensor and an external environment surrounding the GNSS antenna.

18. The navigation system of 11 further comprising:
a plurality of devices for receiving the additional information.

19. The navigation system of claim 11 wherein the GNSS antenna further comprises:
a non-volatile memory for storing at least a set of operating parameters for the GNSS antenna.

20. The navigation system of claim 11 wherein the RF cable is used to exchange a direct voltage signal, an analog signal, and a GNSS signal.

21. The navigation system of claim 11 wherein the navigation system includes a plurality of GNSS antennas and particular ones of the GNSS antennas being configured substantially the same as the at least one GNSS antenna.

22. A GNSS navigation method comprising:
receiving a GNSS signal by a GNSS antenna;
amplifying the GNSS signal;
receiving additional information from a plurality of sources;
exchanging two-way communication, using an RF cable, between the plurality of sources of additional information and at least one location external to the GNSS antenna;
synchronizing particular ones of the additional information with a time scale associated with the at least one location external to the GNSS antenna; and
co-processing a set of GNSS measurements together with the synchronized particular ones of the additional information to produce a specific GNSS position.

23. The GNSS navigation method of claim 22 further comprising:
receiving the additional information from at least one location external to the GNSS antenna; and
storing the additional information from the at least one location in a memory associated with the GNSS antenna.

24. The GNSS navigation method of claim 22 further comprising:
measuring, using an atmospheric sensor, at least one of a pressure, a humidity level, and an ambient temperature at a point of receiving the GNSS signal, the atmospheric sensor being a particular one source of the plurality of sources.

25. The GNSS navigation method of claim 22 further comprising:
measuring, using an inertial sensor, at least one of an acceleration vector and an angular velocity vector, the inertial sensor being a particular one source of the plurality of sources.

26. The GNSS navigation method of claim 22 further comprising:
storing a set of operating parameters for the GNSS antenna in a memory.

27. The GNSS navigation method of claim 22 further comprising:
measuring, using a magnetic sensor, at least one magnetic field vector, the magnetic sensor being a particular one source of the plurality of sources.

Assignees

• Llc “Topcon Positioning Systems”
• Topcon Positioning Systems Inc

Inventors

• Vasilyuk Nikolai Nikolaevich
• Tychinskiy Sergey Ivanovich
• Doronin Alexandr Vladimirovich
• Sandler Igor Arkadievich
• Sokolov Andrey Mikhailovich

Classifications

• G01C17/02

  Magnetic compasses · CPC title

• G01S19/35

  Constructional details or hardware or software details of the signal processing chain · CPC title

• G01S19/36

  relating to the receiver frond end · CPC title

• G01W1/02

  Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed (G01W1/10 takes precedence) · CPC title

• G01S19/49 Primary

  whereby the further system is an inertial position system, e.g. loosely-coupled · CPC title