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The Compass Navigation Satellite System (CNSS), or BeiDou-2, is China’s second-generation satellite navigation system capable of providing positioning, navigation, and timing services to users on a continuous worldwide basis. | The Compass Navigation Satellite System (CNSS), or BeiDou-2, is China’s second-generation satellite navigation system capable of providing positioning, navigation, and timing services to users on a continuous worldwide basis. | ||
The system has evolved from a regional system | The system has evolved from a regional system called BeiDou-1, and in the first phase will provide high-accuracy positioning services for users in China and its neighbouring regions. The long-term goal is to develop an independent ''global'' navigation satellite network similar to the GPS and GLONASS. <ref name=Chinese_today>[http://www.sinodefence.com/space/spacecraft/beidou2.asp Compass on the Chinese Defence Today website] </ref> | ||
==COMPASS Performances== | ==COMPASS Performances== | ||
Revision as of 15:28, 14 July 2011
| COMPASS | |
|---|---|
| Title | BeiDou Performances |
| Author(s) | GMV. |
| Level | Basic |
| Year of Publication | 2011 |
The Compass Navigation Satellite System (CNSS), or BeiDou-2, is China’s second-generation satellite navigation system capable of providing positioning, navigation, and timing services to users on a continuous worldwide basis.
The system has evolved from a regional system called BeiDou-1, and in the first phase will provide high-accuracy positioning services for users in China and its neighbouring regions. The long-term goal is to develop an independent global navigation satellite network similar to the GPS and GLONASS. [1]
COMPASS Performances
In May 2003, the successful launch of BeiDou-1C also meant the establishment of the BeiDou-1 navigation system. On November 2, 2006, China announced that from 2008 BeiDou would offer an open service with an accuracy of 10 meters, timing of 0.2 nanoseconds, speed of 0.2 meter/second. It followed that in February 2007, the fourth and also the last satellite of BeiDou-1 system, the BeiDou-1D was sent up into space.[2][3]
The COMPASS system will provide two types of services: [1]
- a free service for civilian users with positioning accuracy of within 10 metres, velocity accuracy of within 0.2 m/s and timing accuracy of within 50 nanoseconds;
- a licensed service with higher accuracy even in complex situations for authorised and military users only.
Initially the system will initially cover China and its neighbouring countries only, but will eventually extend into a global navigation satellite system by 2020.