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{{Article Infobox2
{{Article Infobox2
|Category=COMPASS
|Category=BEIDOU
|Title={{PAGENAME}}
|Editors=GMV
|Authors=GMV.
|Level=Basic
|Level=Basic
|YearOfPublication=2011
|YearOfPublication=2011
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|Logo=GMV
|Title={{PAGENAME}}
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The [[BeiDou_General_Introduction|BeiDou Navigation Satellite System (BDS)]], also known as BeiDou-2<ref name=BDS_STATUS> Compass/BeiDou Status, Jun Shen, BNStar Navigation Technology & System, Inc., Rome (Italy), June 11, 2009</ref>, is China’s second-generation satellite navigation system<ref name=BDS_STATUS/><ref>[https://en.wikipedia.org/wiki/Beidou_Navigation_Satellite_System BeiDou Navigation Satellite System in Wikipedia]</ref> that will be capable of providing positioning, navigation, and timing services to users on a continuous worldwide basis<ref name=BDS_WORLDWIDE>BeiDou China’s Rapidly Emerging GNSS, InsideGNSS, May/June 2014</ref>.


The [[COMPASS General Introduction|Compass Navigation Satellite System (CNSS)]], also named BeiDou-2,<ref name=Chinese_today>[http://www.sinodefence.com/space/satellite/compass-beidou2.asp Compass Satellite Navigation System (Beidou), on Sinodefence.com, updated on August 6th, 2011.] </ref> is China’s second-generation satellite navigation system that will be capable of providing positioning, navigation, and timing services to users on a continuous worldwide basis.<ref name=Chinese_today/><ref name=COMPASS_Wiki>[http://en.wikipedia.org/wiki/Compass_navigation_system COMPASS Navigation system in Wikipedia]</ref>
Although the upgrade of its regional navigation system towards a global solution started in 1997, the formal approval by the Government of the development and deployment of BeiDou-2/CNSS was done in 2004.<ref name=Chinese_today/> The system is currently under development evolving from a regional system called [[Other Regional Systems|BeiDou-1]], and in the first phase will provide high-accuracy positioning services for users in China and its neighbouring regions by 2012.<ref name=Chinese_today/> In a second stage, the system will evolve to provide global navigation services by 2020, similarly to the [[GPS General Introduction|GPS]], [[GLONASS General Introduction|GLONASS]] or [[GALILEO General Introduction|Galileo]] systems.<ref name=Chinese_today/>
As of August 2011, nine satellites for Compass have been launched, the first eight of which completed the deployment foreseen for the first phase of BeiDou-2.<ref name=Chinese_today/><ref name=BEIDOU_MUNICH_2011>China Satellite Navigation Office, ''Development of BeiDou Navigation Satellite System'', Munich Satellite Navigation Summit, 2011.</ref><ref name="Compass-IGSO3">[http://business.globaltimes.cn/industries/2011-04/642763.html ''China completes basic Beidou (Compass) Navigation Satellite System''], 2011-04-10 by Globaltimes.cn</ref>


==COMPASS Architecture==
As for the other GNSSs, the main layers of BeiDou architecture are:
*[[BeiDou Space Segment|BeiDou Space Segment]]: By 2020, the space segment will consist of a constellation of 35 satellites, which include 5 geostationary orbit (GEO) satellites and 30 non-GSO satellites; 27 in Medium Earth Orbit (MEO) and 3 in Inclined Geosynchronous Orbit (IGSO). The constellation has been designed in order to provide a worldwide coverage<ref  name=BEIDOU_MUNICH_2011>China Satellite Navigation Office, Development of BeiDou Navigation Satellite System, Munich Satellite Navigation Summit, 2011</ref>.
*[[BeiDou Ground Segment|BeiDou Ground Segment]]:  The components of the ground segment include a Master Control Station, Upload Stations and several Monitor Stations.<ref name=BEIDOU_MUNICH_2011/>
*[[BeiDou User Segment|BeiDou User Segment]]: The User Segment is composed of the BeiDou user terminals, which receive BeiDou navigation signals, determine pseudoranges (and other observables) and solve the navigation equations in order to obtain their coordinates. There is also an international cooperation in terms of Compatibility and Interoperability between BeiDou and other GNSSs, that will lead to terminals compatible with other GNSSs.<ref name=BEIDOU_MUNICH_2011/>


The main layers of COMPASS architecture are:
*[[COMPASS Space Segment|COMPASS Space Segment]]: By 2020, the space segment will consist of a constellation of 35 satellites, which include 5 geostationary orbit (GEO) satellites and 30 non-GSO satellites; 27 in Medium Earth Orbit (MEO) and 3 in Inclined Geosynchronous Orbit (IGSO), that will offer complete coverage of the globe.<ref name=BEIDOU_MUNICH_2011/> The system is to be deployed in two stages; the launches for the first phase will be completed by 2012<ref name=Chinese_today/> and will consist of 14 satellites.<ref name=BEIDOU_MUNICH_2011/>
*[[COMPASS Ground Segment|COMPASS Ground Segment]]:  The ground segment consists of a Master Control Station, Upload Stations and several Monitor Stations.<ref name=BEIDOU_MUNICH_2011/>
*[[COMPASS User Segment|COMPASS User Segment]]: The User Segment is composed by the BeiDou/Compass user terminals, which receive Compass navigation signals, determine pseudoranges (and other observables) and solve the navigation equations in order to obtain their coordinates. There is also an international cooperation in terms of Compatibility and Interoperability between BeiDou and other GNSSs, that will lead to terminals compatible with other GNSSs.<ref name=BEIDOU_MUNICH_2011/>


==Notes==
<references group="footnotes"/>
==References==
==References==
<references/>
<references/>




[[Category:COMPASS]]
[[Category:BEIDOU]]

Latest revision as of 14:11, 10 August 2018


BEIDOUBEIDOU
Title BeiDou Architecture
Edited by GMV
Level Basic
Year of Publication 2011
Logo GMV.png

The BeiDou Navigation Satellite System (BDS), also known as BeiDou-2[1], is China’s second-generation satellite navigation system[1][2] that will be capable of providing positioning, navigation, and timing services to users on a continuous worldwide basis[3].


As for the other GNSSs, the main layers of BeiDou architecture are:

  • BeiDou Space Segment: By 2020, the space segment will consist of a constellation of 35 satellites, which include 5 geostationary orbit (GEO) satellites and 30 non-GSO satellites; 27 in Medium Earth Orbit (MEO) and 3 in Inclined Geosynchronous Orbit (IGSO). The constellation has been designed in order to provide a worldwide coverage[4].
  • BeiDou Ground Segment: The components of the ground segment include a Master Control Station, Upload Stations and several Monitor Stations.[4]
  • BeiDou User Segment: The User Segment is composed of the BeiDou user terminals, which receive BeiDou navigation signals, determine pseudoranges (and other observables) and solve the navigation equations in order to obtain their coordinates. There is also an international cooperation in terms of Compatibility and Interoperability between BeiDou and other GNSSs, that will lead to terminals compatible with other GNSSs.[4]


References

  1. ^ a b Compass/BeiDou Status, Jun Shen, BNStar Navigation Technology & System, Inc., Rome (Italy), June 11, 2009
  2. ^ BeiDou Navigation Satellite System in Wikipedia
  3. ^ BeiDou China’s Rapidly Emerging GNSS, InsideGNSS, May/June 2014
  4. ^ a b c China Satellite Navigation Office, Development of BeiDou Navigation Satellite System, Munich Satellite Navigation Summit, 2011
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