Sony now supports Russian's GLONASS positioning system to its latest smartphones : Xperia S and Xperia Ion. and its isn't exactly new territory for the company, as a post on its Developper World blog reveals that GLONASS is already in its latest smartphones - any Xperia™ device with a Qualcomm Snapdragon S2 or S3. This makes Sony on par with competitors such as Motorolla and Apple, which already integrated in its device like a Motorola RAZR and iPhone 4S.
Why use GLONASS?
When you feel laggin with your devices in navigation application it mostly likely caused by surrounding buildings that blocking the view towards GPS sattelites. To calculate a good position, a clear line of access to four or more sattelites is needed. If the signal bounces off a wall before reaching the receiver, it will reduce the accuracy of the position. This is where GLONASS, other version global positioning system, can help.
What are GPS and GLONASS?
GPS (Global Positioning System) : Space-based satellite navigation system that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites. It is maintained by the United States government and is freely accessible by anyone with a GPS receiver. The system imposes some technical limitations which are only removed for authorized users.(wikipedia)
GLONASS(Globalnaya navigatsionnaya sputnikovaya sistema) : radio-based satellite navigation system operated for the Russian government by the Russian Aerospace Defence Forces. It both complements and provides an alternative to the United States' Global Positioning System (GPS) and is currently the only alternative navigational system in operation with global coverage and of the same precision. (wikipedia)
With GLONASS make improves positioning by add its sattelites system and GPS sattelites system. This means your devices positioning support 51 sattelites, which in turn more successful position calculations and also better accuracy of the calculated positions in challenging environments. More information you can visit Developer World Sony Ericsson.
Sources :
Developer World Sony Ericsson
The Verge
GSM Arena
Wikipedia : GPS | GLONASS
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