The car GPS was once a luxury in the past days. After several years’ development, the GPS chip becomes cheaper, faster and better. Now the GPS system is common to people.
We can see there are various GPS and GSM tracking products and GPS navigations on the market. And the interactivity is increased between mobile device and GPS system.
The greatest change of the car GPS navigation lies in the coexistence of kinds of wireless technologies. Several years later, the GPS system has been developed to be combining various technologies.
The merge of CSR and SiRF just witnesses the integration of the wireless technologies. Now the new CSR Company has turned to be the most competitive collaborative car GPS device manufacturer. It plays a leading role in the GPS chip and mobile phone short-range connection technology market.
Now in order to reduce costs and save space, the chip developers try to develop the composite chips which are highly-integrated and perfectly-designed. People also expect the increasing accuracy of the GPS navigation.
People hope the accuracy of GPS navigation can be improved both in the GPS friendly and unfriendly environment like garage and tunnel through the satellite LOS. This means it will come with better TTFF, stronger reliability and wider application.
The GPS device which uses the car data system requires no expensive sensor. The accuracy can be improved basically, if the GPS system can make full use of the ABS, VSC and compass. Finally, it’s also important that how to properly combine GPS device with other wireless technologies.
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