Discussion about Cell Track Solutions

How To Track A Mobile Phone – GPS Tecnological TopicsDifferent GPS start options have an affect on how much time is going to be necessary to render position. GPS Hot Start refers to when the GPS enabled smartphone recalls its last calculated location, the satellites that were in view at the time, and also the almanac information in memory, and attempts to obtain the same satellites and calculate a new position based upon the previous data. This is generally the quickest GPS lock but Hot Start only works if the phone is generally in the same location as when the GPS was last turned off. GPS Warm Start means whenever the GPS enabled device keeps its last known location, and almanac used, but not which satellites were in view. It performs a reset and tries to obtain satellite signals and computes a whole new position. The GPS receiver has a general idea of which satellites tolook for because it stored its last known location and the almanac data helps determine which satellites are visible in the sky. The Warm Start is going to take longer than the Hot Start although not as much as a Cold Start. With GPS Cold Start, the device dumps all the previous data, and tries to locate satellites and achieve a GPS lock. This will take more time because there is no known reference data. The GPS enabled handset receiver has to attempt to lock onto a satellite signal from any accessible satellites. To be able to have improved GPS lock times (the time it takes to be able to lock onto an orbiting GPS Satellite signal) cell phone manufacturers and wireless providers introduced Assisted GPS technology. It downloads the ephemeris and helps triangulate the smartphone basic position. GPS Receivers will get a faster lock in return for a few kilobytes of data transmission. Assisted GPS, also known as A-GPS or AGPS, boosts the performance of standard GPS in cell phones connected to the cell network. In the United States Sprint, Nextel, Verizon Wireless, and Alltel all use AGPS. Which is a means of using the cellular network to speed up finding of GPS satellites. A-GPS assists location tracking functions of mobile phones (and also other related devices) in two ways: The first way is by assisting to secure a faster “time to first fix” (TTFF). A-GPS receives and stores data concerning satellite location via the cellular network so the position details does not require to be downloaded from the the satellite. The second approach is by helping position devices when GPS signals are weak or not available. Since GPS satellite signals may be interfered with by tall buildings, and do not go through building interiors well AGPS makes use of proximity to cellular towers to calculate location when GPS signals are not obtainable. Phone Tracking – Checking smartphone location does not always demand GPS. In the event that satellite signals are not obtainable, or precision is less important than life of the battery, making use of Cell-ID is a useful alternative to GPS cell phone location. The position of the handset may be approximated by the cell network cell id, which identifies the cell tower the mobile phone is using. By having the location of the tower, you’ll be able to know roughly the place that the smartphone might be. But, a tower can cover an enormous area, from a few hundred meters, in higher populationdensity regions, to a few miles in lower density areas. This is the reason location CellID accuracy is less than than GPS accuracy. Nonetheless location using CellID still provides quite a good substitute. Another way of calculating handset location is Triangulation or Mobile Location Services (MLS). Cell Tower Triangulation utilizes signal analysis data to determine the time it takes signals traveling from your cellphone to no less than three cell towers to determine position. Generally speaking it comes down to what location tracking system is available, along with the requirements for precision. Hybrid methods are emerging that use various techniques in tandem to provide best available location given available resources. It may be important to consider how GPS location software programs handle the data and controls handset settings including options of using real time monitoring when needed, or preferring to minimize battery use and data transmission. Generally the program can determine the position with a GPS receiver and transmits the tracking information to a server through a cellular packet data connection. The data connection to the server is usually made over the internet. How often GPS samples are taken and how often and by just what method the data is sent to the server impact effectiveness and likely costs.

Discussion about Cell Track Solutions