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Method and system for navigating mobile platform in environment

A mobile platform and environment technology, applied in the field of satellite navigation, can solve problems such as incorrect positioning information

Pending Publication Date: 2022-04-05
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This may result in incorrect location information

Method used

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  • Method and system for navigating mobile platform in environment
  • Method and system for navigating mobile platform in environment
  • Method and system for navigating mobile platform in environment

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Embodiment Construction

[0033] The following detailed description is merely exemplary in nature and not intended to limit application and use. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. As used herein, the term module and / or system refers to any hardware, software, firmware, electronic control components, processing logic and / or processor device, alone or in any combination, including but not limited to: application specific integrated circuits ( ASIC), electronic circuits, processors (shared, dedicated, or grouped) and memory executing one or more software or firmware programs, combinational logic circuits, and / or other suitable components that provide the described functionality.

[0034]Embodiments of the disclosure may be described herein in terms of functional and / or logical block components and various processing steps. It should be appreciated tha...

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Abstract

Methods and systems are provided for navigating a mobile platform in an environment. The processor obtains information about an object in the environment, obtains information about the first satellite, and estimates a probability indicator of non-line-of-sight signal transmission between a current satellite position of the first satellite and a current position of the mobile platform using the information about the first satellite and the information about the object. The processor also determines a difference indicator using the movement information of the mobile platform and the movement information of the first satellite such that a weighted indicator can be determined using the estimated probability indicator and the determined difference indicator. The processor then assigns the weighting indicator to a satellite signal transmitted from the first satellite to provide a first weighted signal for navigating the mobile platform.

Description

technical field [0001] This technical field generally involves satellite navigation of mobile platforms, such as vehicles, in the environment. More specifically, this technical field relates to a method and system for navigating a mobile platform in an environment to improve positioning of the mobile platform, especially in a multipath environment. Background technique [0002] Satellite navigation systems have become very important in recent years due to the increased demand for passenger transportation systems. Such satellite navigation systems provide positioning information for vehicles moving in the Earth's surface environment. In particular, positioning information is used to navigate vehicles or to provide information about traffic conditions in certain areas. Satellite navigation and positioning information depends on the signal quality between the satellites of the satellite navigation system and ground vehicles. The need for precise positioning information is im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/34G01S19/45
CPCG01C21/3602G01C21/20G01S19/22G01S19/428G01S19/396G01S5/017B60W60/0015G01S19/46G01S19/485G01S19/425G01C21/3461B60W2420/52B60W30/0956B60W30/09B60W2554/40B60W2554/20B60W2420/42G01S19/42
Inventor B.N.巴丘斯R.库马尔
Owner GM GLOBAL TECH OPERATIONS LLC
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