什么是AGPS,和GPS有什么区别（What is AGPS and whats the difference between and GPS）.docVIP

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2017-07-24 发布于河南
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什么是AGPS,和GPS有什么区别（What is AGPS and whats the difference between and GPS）.doc

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什么是AGPS,和GPS有什么区别（What is AGPS and whats the difference between and GPS）

什么是AGPS,和GPS有什么区别（What is AGPS and whats the difference between and GPS） AGPS - Assisted GPS, in Chinese, should be a network assisted GPS location system. AGPS is popular in the past by satellite positioning signal combined with the mobile GSM CDMA network or station location information, is a mobile phone with AGPS by acquiring positioning information from the satellites, but also rely on the mobile phone through the China Mobile GPRS network download location information aided, combining them to complete positioning. With the traditional GPS (Global Positioning System global positioning system) for the first time, 3 minutes to 2 position compared to AGPS in the time to first fix the fastest just a few seconds, at the same time, AGPS also solve the common defects of GPS equipment can not get location information in the room. GPS one will receive the GPS satellite signal and CDMA mobile phone base station signals, and obtain accurate positioning information through the wireless communication network operation system, and then sends location information to the receiving terminal, and the electronic map display. Its main advantages are: 1, satellite and base station composite positioning, higher accuracy, more coverage (indoor, automobile, tail box, elevator, basement and other CDMA signal coverage place can easily achieve positioning). 2, small in size, easy to hide, easy to carry. 3, with remote monitoring function. 4 、 bring up to 160 hours standby power supply. 5, price advantage. 6, no Internet support, independent mobile positioning and monitoring, easy to operate. Basically the localization of AGPS and GPS are the same, just add the Internet assistant only, can also say that there is a thing called AGPS server at the other end of the network, basically it also contains a GPS receiver, but its location can receive very good GPS signals, so it can be it will be received by the receiver and GPS signal information it had through the network to the APGS, after the