GPS mobile phone positioning principle

　　Mobile phone positioning refers to the cooperation of wireless terminal (mobile phone) and wireless networks to determine the actual location information of mobile users (latitude and latitude coordinate data, including 3D data), send it to users through SMS, MMS, and voice to users or provide some kind of basis Value-added services. Location service, also known as mobile location service (LBS), obtains the location information (latitude and latitude coordinates) of mobile terminal users through telecommunications mobile operators (such as GSM networks, CDMA networks). Below, provide users with a value -added business of corresponding services.

　　The positioning of the mobile phone is to use the honeycomb technology of the GSM mobile communication network to achieve the query of the location information. The GSM wireless communication network is built by many honeycombs like bees and honeycombs. You can know the area where the mobile phone is located. At present, the positioning technology of mobile phone communities is still perfect. The accuracy range of the urban area is about 200 meters. The accuracy range of the suburbs is about 1000 meters to 2000 meters. With the continuous development of mobile companies technology, it is believed that accuracy will further increase to 50 meters to 50 meters. Within range. At the same time, the landmark name displayed at the same time is still optimized. As further optimization, the landmark will be more accurate.

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