The construction of mobile monitor and positioning system that takes advantage of mobile communication networks has broad market chi dazzle prospects. It is easy to maintain, and it can cover all the areas that the mobile phone signals can reach. The system is very suitable to be apply to the applications such as 110, 119, 120 alarming and command systems and the scheduling of vehicles and vessels. But at present, there are still many difficulties and problems in the development of mobile phone positioning service.The foundation of mobile phone positioning is adjusts the mobile phone's transmitting power basing on the base station's control state. Along with the distance between ralph lauren polo shirts mobile phone and the base station increases, the transmitting power increases too, and vice versa. This means that the base station knows about the distance between mobile phone and itself. Once the mobile phone is power on, then the mobile network switching center has preliminarily Lacoste Polo Shirts positioning your mobile phone already. Of course, this preliminarily positioning information can not discount wedding dresses satisfy the requirement of mobile phone location positioning. To meet the requirement of accurate positioning, we still need to add many steps. In the alarming and command systems, we need to find out mobile phone user's location actively. We can not waiting the user send out the lace wedding dresses positioning request passively. The objective of this thesis is to probe the mobile phone user's location by measurement unit by inspire mobile phone emit signals actively. In the project, we use SIEMENS TC35i to dial a mobile phone, after receives the dialing request, the mobile phone will emit acknowledge signal actively.
http://forum.onlineconversion.com
http://www.pprune.org
http://www.iranphp.net/forum
http://www.sitepoint.com/forums
http://forums.anandtech.com
http://adrdgg.spaces.live.com/default.aspx
http://dffgfgfgddgfgfgg.spaces.live.com/default.aspx
http://dfgffghh.spaces.live.com/default.aspx
http://adsdgg.spaces.live.com/default.aspx
http://sddggdfd.spaces.live.com/default.aspx
