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GPS signal blind zone covering device

A technology of global positioning system and equipment, applied in satellite radio beacon positioning system, radio wave measurement system, beacon system using radio waves, etc. Achieving the effect of good effect, large signal coverage, and improved reception efficiency and accuracy

Inactive Publication Date: 2006-05-24
WUHAN HONGXIN TELECOMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, due to the weak GPS signal reaching the ground and the weak ability to penetrate obstacles, it is impossible to receive GPS signals indoors or underground.

Method used

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  • GPS signal blind zone covering device
  • GPS signal blind zone covering device

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Experimental program
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Embodiment Construction

[0019] Further illustrate the present invention below in conjunction with accompanying drawing.

[0020] The present invention includes GPS signal source, antenna, filter, amplifier and indoor coverage system, installs outdoor receiving antenna to introduce GPS signal source, and connects with filter, low noise amplifier, filter and indoor coverage system sequentially, and the antenna used is omnidirectional Outdoor antenna, the frequency range is 1570.42MHZ to 1580.42MHz, and the frequency range of the filter used is 1570.42MHZ to 1580.42MHz.

[0021] Filter used in the present invention, amplifier requirement description

[0022] 1. Filter HXFLT1500-10D1, and its requirements: (1), frequency: 1570.42MHZ--1580.42MHz; (2), insertion loss: <1.2dB; (3), in-band fluctuation: <0.4dB; ( 4), standing wave ratio: <1.2; (5), power capacity: ≥100W; (6), group delay: 150ns (maximum in-band); (7), temperature: -40℃~70℃; (8 ), port type: SMA Female; (9), working humidity: ≤95% (non-cond...

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Abstract

The GPS signal covering equipment includes GPS signal source, antenna, filter, amplifier and indoors covering system. In order to introduce GPS signal source, the installed outdoor receiving antenna is connected to filter, amplifier and the indoors covering system in sequence. Introducing GPS signal from wide place, where there is no shielding object for viewing sky directly, the invention magnifies GPS signal and covers place, where GPS signal is needed. Advantages are: (1) capable of amplifying GPS signal, increasing efficiency of GPS receiving device; (2) GPS signal covers place, where there is no GPS signal before such as in doors, or in place of having strong electromagnetic interference; (3) large covering area of signal and good effect.

Description

technical field [0001] The invention relates to a technical device that introduces a GPS (Global Position System) signal from an open place that can directly look at the sky without shielding, and amplifies and covers the GPS signal to a designated area that needs to use the GPS signal. Background technique [0002] In recent years, with the promotion of GPS global positioning technology, the scope of application of GPS has become wider and wider, and it has many applications in positioning and navigation, geographic surveying and mapping, and self-help tourism. And various applications gradually increase the requirements for GPS signals. Because the strength of the GPS signal itself is relatively weak, in some areas with a small visible sky area, there are few or no GPS satellites in the visible sky, so the GPS signal is basically not received. In addition, due to the weak GPS signal reaching the ground and the weak ability to penetrate obstacles, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S1/04G01S19/01
Inventor 吴玲琦卢军桂宾黄小方李华明
Owner WUHAN HONGXIN TELECOMM TECH CO LTD
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