GPS China Beidou navigation satellite

　　The Beidou Navigation System is an important infrastructure for China's satellite navigation industry, aiming to break the monopoly of the satellite positioning and navigation application market dominated by the US GPS. It can be widely used in sea, land and air transportation, wired and wireless communications, geological exploration, resource survey, forest fire prevention, medical first aid, maritime search and rescue, precision measurement, target monitoring and other fields.

　　The Beidou Navigation System has successfully launched five geostationary satellites, which can cover China and neighboring regions. According to the plan, China will complete another 30 non-stationary orbit satellites by 2012, and 35 satellites will together form a network with global coverage.

　　As an important part of the Beidou navigation system, the terminal chip has been developed since 2006. Recovery control Hualong and Fudan microelectronics cooperation, in a number of bid-winning units in the first out of the product.

　　"We've been working on this chip since late 2006." "At least tens of millions of yuan have been invested," said Liu Yifei, general manager of Fudan Microelectronics Market Center. "The chips released now still belong to the Beidou Generation. In fact, the Beidou Second generation is also in the development process." According to Shi Lei, chairman of Shanghai Commercial Investment (Group) Co., LTD., the parent company of Fusong Hualong and Fudan Microelectronics, Beidou Generation currently offers two services, namely open service and authorized service. The open service is to provide free positioning, speed measurement and timing services in the service area, with a positioning accuracy of 10 meters. Authorization service is to provide more secure positioning, speed measurement, timing and communication services and system integrity information to authorized users.

　　"The Global Positioning System (GPS) in the United States is a receiving type of positioning system, only relays the signal, the user can receive the location. However, the Beidou Generation works both ways, allowing users to know where they are and others to know where they are. This brings great convenience to desert and sea rescue." Mr Schley said.

　　The project was originally commissioned by the General Armament Department and has so far been mostly used for exploration or military purposes. But Liu Yifei said early mass production for civilian use is the ultimate goal.

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