Global positioning system (GPS) is a remarkable feature incorporated in the mobile phones. In the context of the changing lifestyles of the modern society, GPS has become an essential requirement in the portable device. Earlier versions of GPS were mounted on cars which were powered with 12v batteries. Hand held GPS were provided with rechargeable batteries. But the mobile phones being a compact portable device requiring minimum energy consumption is more user friendly than its earlier versions. GPS incorporated cell phones are widely used for navigation purposes by racers and tourists. The multiple advantages of the device make it cost effective as well as convenient for the users.

All leading mobile phone manufacturers are now incorporating the GPS technology in their products as this feature is an important aspect, which the consumers are looking for in the mobile phones. In the modern versions of smart phones too, GPS is an integrated feature. The navigation aspect of the mobile device has undergone qualitative changes in the recent past. With audio support the user will be able to find the route and locate the destination if the maps are not enough to provide adequate guidance. The user was not able to talk while using the GPS in the earlier versions of the product. But the latest products provide more flexible features. It is now possible to use the handsets for navigation even while talking over the phone.

The mobile phone users are now able to use the device for navigation without separate GPS equipment either mounted or handheld. Maps to guide the users through cities or unfamiliar terrains are provided making journeys easier and enjoyable. Further the GPS technology has made the task of locating persons without hardships. It is now widely used to track or monitor the movements of vehicles by fleet operators. Another community oriented purpose of the device is to locate people who are trapped in hazardous situations by the rescue missions and medical fraternity.

No wonder, that the GPS enabled mobile phones are gaining popular support through out the world. According to recent studies, the demand for GPS mobile phones will soar to 550 million handsets by 2012. As on date the worldwide sale is about 240 million only. The manufacturers are now addressing functional deficiencies that are found in some models on the basis of consumer complaints. Many problems concerned with accuracy, time consumption and indoor reception are now getting redressed. They are now offering location based services to cater the demands of the consuming world. A recent innovative idea is gaming with GPS enabled mobile phones. This application of GPS technology is offering a video game, which involves both physical and mental calibre of the gamer. The players are to be monitored throughout the game, as it is a location based one.

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