GPS chip industry mushroomed after 2003, showing a flourishing situation. Currently GPS chip is designed and produced by more than 10 manufacturers, including the United States SiRF (SiRF), Garmin (clever), Motorola, Sony, Fujitsu, Philips, Nemerix, uNav, uBlox etc.


SiRF acquired Motorola’s GPS chip business in 2005, and will cooperate in Motorola’s GPS-enabled smart phones in future. Coincidentally, Qualcomm enhanced 3G CDMA2000 EV-DO mobile phone chip design and features integrated GPS. Nextel, SiRF’s technology is also being used to achieve their phone GPS.


The United States has adopted a law requiring mobile phone manufacturers must be integrated GPS receiver to the product which provide positioning and emergency call function in 2007, 2007 is already the 3G era. Visible, although now integrated GPS-enabled mobile phones have not yet entered the mainstream market, but in the future 3G mobile phones in high-end models will generally integrated GPS capabilities.


In July 2005, Dr. Zhou returned to overflow also introduced China’s first piece of GPS chip.


Although vendors everywhere, SiRF GPS in the field of non-independent status just as the Intel field in PC industry,  mainstream products are almost all use SiRF chips. Therefore, the reader should understand several main types SiRF chip can understand the core technical differences between non-independent of GPS.


In addition, Garmin occupy half of the standalone GPS device market, Garmin mainly use their own chip. Garmin’s IT field like IBM, from the map software to the GPS device and the core chip, it is a vertically integrated industrial company. In some areas of non-independent GPS, Garmin also use SiRF chips.


Emerging GPS chip companies are almost in the existing market is difficult to have a foothold, they look primarily aimed at the future integrated GPS of various IT devices such as mobile phones, digital cameras, PDA, laptop, or even U disk.


If the GPS chip is integrated into computing device, the GPS chip many function can be done in software, the cost can be further reduced. Early in 2004, SiRF company has launched such a simplified product software GPS. Philips also recently released a similar product, it can support the ARM processor, Xscale processor, x86 processor, complete a variety of GPS processing tasks.

17Jun 2016
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