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GPS/GALILEO navigation base band processing chip and navigation receiver

A processing chip and navigation baseband technology, applied in the receiver field of the global satellite positioning system, can solve the problems of high power consumption and cost of the chip, increase of program volume, etc., and achieve lower power consumption, reduced processing load, and scalability strong effect

Active Publication Date: 2011-06-29
北京中科微知识产权服务有限公司
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Problems solved by technology

[0020] The present invention is aimed at the traditional receiver baseband chip, the embedded microprocessor and its on-chip RAM / FLASH occupy a large area, and as the complexity of the system continues to increase, the amount of programs increases greatly, making the power consumption and cost of the chip The high deficiency provides a GPS / GALILEO navigation baseband processing chip and navigation receiver

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  • GPS/GALILEO navigation base band processing chip and navigation receiver
  • GPS/GALILEO navigation base band processing chip and navigation receiver
  • GPS/GALILEO navigation base band processing chip and navigation receiver

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Embodiment Construction

[0063] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0064]Mobile devices often contain a microprocessor with relatively powerful performance. If the resources provided by the external microprocessor can be fully utilized, the system cost and power consumption will be greatly reduced. At present, some chip manufacturers have proposed receivers based on this idea. architecture. Mobile devices often have a communication module, which can obtain positioning auxiliary information from the outside, for example, AGPS information can improve GPS positioning speed and tracking sensitivity. Utilizing the existing resources of the mobile device usually simplifies the system design and greatly reduces the overall cost of the navigation system, while power consumption can also be...

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Abstract

The invention relates to a GPS / GALILEO navigation base band processing chip and a navigation receiver, belonging to the technical field of receiver of global satellite locating system. The navigation base band processing chip comprises a capturing engine, a tracking passage, a built-in processor and an interface control logic; and the built-in processor consists of a control logic, a built-in processor core, a digital operation module and a double-mouth RAM. The navigation base band processing chip works together with an external master control microprocessor, and calculates the user location according to the satellite trail parameter provided for the master control microprocessor and the information such as pseudo-range measurement; the master control microprocessor interacts with the navigation base band processing chip through a double-mouth RAM (Random Access Memory); a control logic circuit can cut off the clock or voltage of the idle circuit in the navigation base band processing chip so that the power consumption of the navigation base band are greatly reduced; simultaneously, the interface of the navigation base band processing chip and the master control microprocessor has the advantages of flexibility, convenience, strong expandability, and the like.

Description

technical field [0001] The invention relates to a navigation baseband processing chip and a navigation receiver, in particular to a GPS / GALILEO navigation baseband processing chip and a navigation receiver, belonging to the technical field of receivers of global satellite positioning systems (GPS and GALILEO). Background technique [0002] The Global Positioning Satellite System (GPS, Global Positioning Satellite) is a satellite system developed and operated by the United States. The system can provide precise, continuous three-dimensional position and velocity information to users worldwide with appropriate receiver equipment. The GPS satellite constellation consists of 24 satellites on 6 orbital planes, each of which includes 4 satellites. The system utilizes the concept of one-way time-of-arrival ranging to enable satellites to launch based on the high-precision space-borne atomic frequency standard, which is synchronized with the GPS time reference. The satellite uses ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/35G01S19/13
Inventor 李健鲁振鹏陈杰
Owner 北京中科微知识产权服务有限公司
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