METHODS, CIRCUITS AND SYSTEMS FOR GENERATING NAVIGATION BEACON SIGNALS

• US 20130069825A1
• Filed: 09/21/2011
• Published: 03/21/2013
• Est. Priority Date: 09/21/2011
• Status: Abandoned Application

• Current Assignee: Rio Systems Limited
• Original Assignee: Rio Systems Limited
• Inventors: Spiegel, Solon Jose
• Application Number:
  US13/238,202
• Publication Number:
  US 20130069825A1
• Time in Patent Office: Days
• US Class Current: 342/357.395
• CPC Class Codes: G01S 19/02 Details of the space or ground control segments
• CPC Class Codes: G01S 19/11 wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters

Abstract

Disclosed are methods, circuits and systems for generating satellite navigation beacon signals. There is provided a multi-system beacon transmitter adapted to generate a beacon signal for navigation systems. The multi-system beacon transmitter may include: (1) a baseband data processor adapted to process a navigation data based data signal in baseband; (2) an adjustable radio-frequency (RF) transmission module adapted to process and up-convert the baseband data signal, and further adapted to transmit the RF signal via one or more functionally associated antenna(s); and (3) a multi-system interfacing module adapted to convey the navigation signal and to control the RF transmission module based on a determined RF transmission mode. The determined RF transmission mode may be selected from a set of navigation system transmission modes. The need for external frequency selectable elements (e.g. filters) may be obviated.

Claims

1. A multi-system beacon transmitter for navigation systems comprising:

an adjustable radio-frequency (RF) transmission module adapted to transmit a satellite navigation data signal and comprising one or more complex frequency converters and one or more gain control units adapted to process a navigation data based data signal before transmission; and

a multi-system interfacing module adapted to control said adjustable RF transmission module based on a determined RF transmission mode.

2. The transmitter according to claim 1, wherein said RF transmission module comprises triple complex conversion architecture.

3. The transmitter according to claim 2, wherein said RF transmission module comprises three complex frequency converters.

4. The transmitter according to claim 2, wherein said RF transmission module comprises three gain control units.

5. The transmitter according to claim 2, wherein said RF transmission module is integrated on a single integrated circuit.

6. The transmitter according to claim 1, wherein the determined RF transmission mode corresponds to a selected transmitter center frequency.

7. The transmitter according to claim 6, wherein said multi-system interfacing module is further adapted to adjust a local oscillator of said adjustable RF transmission module in response to the selected center frequency.

8. The transmitter according to claim 1, wherein the determined RF transmission mode corresponds to a selected navigation system beacon protocol.

9. The transmitter according to claim 8, wherein the determined RF transmission mode corresponds to a Global Positioning System (GPS) beacon protocol.

10. The transmitter according to claim 8, wherein the determined RF transmission mode corresponds to a Galileo beacon protocol.

11. The transmitter according to claim 8, wherein the determined RF transmission mode corresponds to a GLONASS beacon protocol.

12. The transmitter according to claim 8, wherein the determined RF transmission mode corresponds to a COMPASS beacon protocol.

13. The transmitter according to claim 1, wherein said adjustable RF transmission module is adapted to receive a navigation data based data signal from a functionally associated baseband data processor.

14. The transmitter according to claim 13, wherein said baseband data processor, said adjustable RF transmission module and said multi-system interfacing module are fabricated on the same die.