Qualcomm incorporated (20240319383). EXTENDED WIDE-LANE CARRIER PHASE AVAILABILITY USING INERTIAL MEASUREMENT UNIT (IMU) FEEDBACK simplified abstract
Contents
EXTENDED WIDE-LANE CARRIER PHASE AVAILABILITY USING INERTIAL MEASUREMENT UNIT (IMU) FEEDBACK
Organization Name
Inventor(s)
Gengsheng Zhang of Cupertino CA (US)
William Morrison of San Francisco CA (US)
Abdelmonaem Lakhzouri of San Francisco CA (US)
EXTENDED WIDE-LANE CARRIER PHASE AVAILABILITY USING INERTIAL MEASUREMENT UNIT (IMU) FEEDBACK - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240319383 titled 'EXTENDED WIDE-LANE CARRIER PHASE AVAILABILITY USING INERTIAL MEASUREMENT UNIT (IMU) FEEDBACK
Simplified Explanation: The patent application discusses techniques for improving the availability of extended wide-lane carrier phase using feedback from an inertial measurement unit (IMU) in a mobile device.
- Wide-lane cycle slips are detected and corrected based on IMU data to enhance wide-lane carrier phase measurements.
- The corrected wide-lane carrier phase measurements are used to generate accurate positioning estimates using the Global Navigation Satellite System (GNSS).
Key Features and Innovation:
- Utilization of IMU feedback to enhance wide-lane carrier phase measurements.
- Detection and correction of wide-lane cycle slips for improved accuracy.
- Integration of corrected measurements for precise GNSS-based positioning estimates.
Potential Applications:
- Navigation systems in vehicles and aircraft.
- Location-based services in smartphones and other mobile devices.
- Surveying and mapping applications.
Problems Solved:
- Addressing inaccuracies in wide-lane carrier phase measurements.
- Improving the reliability and availability of positioning data in GNSS systems.
Benefits:
- Enhanced accuracy in positioning estimates.
- Increased reliability of location-based services.
- Improved performance of navigation systems.
Commercial Applications: The technology can be applied in industries such as transportation, logistics, surveying, and geospatial mapping to enhance the accuracy and reliability of location-based services and navigation systems.
Questions about the Technology: 1. How does the integration of IMU feedback improve wide-lane carrier phase measurements? 2. What are the potential implications of using corrected wide-lane carrier phase measurements in GNSS-based positioning systems?
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Original Abstract Submitted
techniques for extended wide-lane carrier phase availability using inertial measurement unit (imu) feedback are disclosed. the techniques can include determining an imu-based position differential based on first imu data received from an imu of the mobile device, detecting a wide-lane cycle slip based on a wide-lane differential carrier phase (dcp) measurement and the imu-based position differential, responsive to detecting the wide lane cycle slip, adjusting the wide-lane dcp measurement based on the imu-based position differential to obtain a corrected wide-lane dcp measurement, and generating a global navigation satellite system (gnss)-based positioning estimate for the mobile device based on the corrected wide-lane dcp measurement.
