Vehicle positioning system based on GSM (Global System for Mobile Communications) network CELL ID map database and implementation method
A GSM network and vehicle positioning technology, applied to the vehicle positioning system and its implementation field based on the GSM network CELL ID mapping database, can solve the problems of easy network congestion and high cost of vehicle positioning, and achieve low cost, convenient operation, and reduced operation the effect of time
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Embodiment 1
[0042] The existing road network structure such as figure 1 As shown, a vehicle X driving on the road is equipped with a communication terminal. If you want to go from point A to point B on the road, vehicle X will pass through the area covered by GSM base station 1 and the area covered by GSM base station 2 in turn. Such as image 3 As shown, the method of realizing vehicle positioning is as follows:
[0043] (1) The steps for the communication terminal to receive the base station number of GSM base station 1 are as follows:
[0044] step 1
[0045] Such as figure 1 As shown, the GSM base station 1 continues to broadcast the CELL ID number to the outside. When the vehicle X enters the coverage area of the GSM base station 1, the communication terminal automatically receives the signal broadcast by the GSM base station 1, that is, it receives the CELL ID number CN307 of the GSM base station 1. —1001, wherein the communication terminal is an OBU module, and the OBU modul...
Embodiment 2
[0056] The difference between this embodiment and embodiment 1 is:
[0057] The communication terminal is a smart phone, wherein the smart phone can not only receive the CELL ID number, but also realize mobile communication through the GSM base station, that is, making calls or sending short messages will not cause network congestion;
[0058] Therefore, in: (2) step 2 of the vehicle positioning system to realize vehicle X positioning, when the smartphone no longer needs to continuously send information, it only needs to adjust the information sending method.
Embodiment 3
[0060] Such as figure 2 As shown, the vehicle X travels on the highway from the area covered by GSM base station 1 to the area covered by GSM base station 2 in the GSM system. The method for realizing vehicle positioning is as follows:
[0061] (1) The steps for the communication terminal to receive the base station number of the GSM base station 2 are as follows:
[0062] step 1
[0063] Such as figure 1 As shown, the GSM base station 2 continues to broadcast information to the outside. When the vehicle X enters the coverage area of the GSM base station 2, the communication terminal automatically receives the signal broadcast by the GSM base station 2, that is, it receives the CELL ID number CN307-1002 of the GSM base station 2, Wherein said communication terminal is a smart phone;
[0064] step 2
[0065] After receiving the CELL ID number CN307-1002 broadcast by GSM base station 2, the smart phone continues to send out information within the coverage area of GSM ba...
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