China today said its homegrown navigation system, deemed as rival to the US’ Global Positioning System (GPS), is expected to serve global users by 2020 and will provide open satellite navigation services “free of charge”.

Currently, B1I and B2I open service signals are being broadcast by the operating BeiDou Navigation Satellite System (BDS) BDS-2 to provide open services to the Asia-Pacific region free of charge, an official white paper on BDS issued by the China’s cabinet said.

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