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Autonomous in-device gnss augmentation system

A technology for equipment and wireless communication systems, which is applied in the field of autonomous in-device GNSS augmentation systems, and can solve problems such as shortening battery duration and consuming large amounts of energy.

Active Publication Date: 2016-06-22
MARVELL ASIA PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, receiving and processing satellite positioning signals can consume a lot of energy and thus reduce battery life

Method used

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  • Autonomous in-device gnss augmentation system
  • Autonomous in-device gnss augmentation system
  • Autonomous in-device gnss augmentation system

Examples

Experimental program
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Embodiment Construction

[0014] figure 1 A block diagram of an electronic device 100 according to an embodiment of the present disclosure is shown. Electronic device 100 receives ephemeris data valid for relatively short durations from multiple satellites. Based on the received ephemeris data, the electronic device 100 predicts additional ephemeris data valid for extended durations beyond relatively short durations. The additional ephemeris data is used by the electronic device 100 to speed up the start-up process for acquiring satellite signals and positioning the electronic device 100 over extended durations.

[0015] Electronic device 100 may be any suitable device, such as a tablet computer, smartphone, camera, wearable device, vehicle-mountable device, and the like. According to aspects of the present disclosure, one or more applications installed on the electronic device 100 require location information of the electronic device 100 .

[0016] exist figure 1 In an example, the electronic de...

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PUM

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Abstract

Aspects of the disclosure provide an apparatus that includes a navigation signal receiver and a processing circuit. The navigation signal receiver is to receive, from a plurality of satellites, first ephemeris data. The first ephemeris data is effective for a first time duration. The processing circuit is to predict, based on the first ephemeris data, second ephemeris data. The second ephemeris data is effective for a second time duration that is extended beyond the first time duration. The second ephemeris data is used by the navigation signal receiver to acquire satellite signals for positioning the apparatus during the second time duration.

Description

[0001] Incorporate by reference [0002] This disclosure claims the benefit of US Provisional Application No. 62 / 091,829, filed December 15, 2014, entitled "Automatic In-device GNSSAugmentation System," the contents of which are hereby incorporated by reference in their entirety. Background technique [0003] Modern mobile devices may incorporate various functions, such as satellite positioning system receivers for cellular transceivers or wireless transceivers. When a mobile device is used as a satellite positioning system receiver, the mobile device can specify the location of the device by using signals from satellites. Satellite-based positioning can provide high accuracy, but requires a good line of sight between the satellite and the mobile device. In addition, receiving and processing satellite positioning signals may consume a large amount of energy and thus reduce battery duration. Contents of the invention [0004] Aspects of the present disclosure provide an ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/37
CPCG01S19/37H04W4/023H04W4/026
Inventor 鹿智萃贾志科刘柏池程健刘进锋
Owner MARVELL ASIA PTE LTD