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Method for calculating current position coordinates

A calculation method and current location technology, applied in the field of global positioning system, can solve the problems of power consumption and large calculation amount, and achieve the effect of reducing power consumption and calculation amount

Inactive Publication Date: 2010-07-07
ALTEK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of the above problems, the present invention provides a calculation method of the current position coordinates to solve the problems of large calculation and power consumption in the prior art

Method used

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  • Method for calculating current position coordinates
  • Method for calculating current position coordinates

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Embodiment Construction

[0046] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0047] figure 1 A global positioning system (GPS) receiver to which an embodiment of the present invention is applied is shown. figure 2 A calculation method of the current position coordinates according to an embodiment of the present invention is displayed.

[0048] refer to figure 1 and figure 2 , the calculation method of the current location coordinates can be applied to the GPS receiver 100 of the Global Positioning System.

[0049] After the GPS receiver 100 is turned on, it will search for each satellite in the orbiting satellite group 200 one by one to track at least three satellites 212, 214, 216, 218 in the orbiting satellite group 200 (step 310), and receive signals from the orbiting satellites. Satellite signals of at least three satellites 212, 214, 216, 218 in the group 200 to download a series of ephemeri...

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Abstract

The invention relates to a method for calculating a current position coordinate, which is applied to a global positioning system GPS receiver. When carrying out positioning a current time point, the GPS receiver can directly utilize ephemeris data of a satellite and a position coordinate obtained from the last time point positioning to calculate code delay and carrier frequency of the satellite and a position coordinate of the receiver at the current positioning time point, thereby greatly reducing the computation and decreasing the power consumption.

Description

technical field [0001] The present invention relates to a global positioning system (global positioning system; GPS), in particular to a method for calculating current position coordinates, which is applied to a GPS receiver. Background technique [0002] The Global Navigation Satellite System is also known as the Global Positioning System (GPS). The global positioning system has been limited to military and industrial purposes in the past. With the continuous advancement of science and technology, it has begun to be used in various civilian purposes. Generally speaking, GPS products mainly refer to GPS receivers used for various purposes, such as receivers for aviation and marine purposes, car navigation equipment, handheld receivers for mountaineering and leisure, and other types of communication products. The components of general GPS products mainly include internal antennas, chipsets, and external buttons, display panels and other related components. [0003] GPS rece...

Claims

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Application Information

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IPC IPC(8): G01S5/02G01S5/14
Inventor 陈宏升
Owner ALTEK CORP
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