Volume 34 Issue 1
Jan.  2014
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Liu Wenxue, Yuan Hong, Wei Dongyan, Xu Ying. A new GNSS signal carrier tracking algorithm for ionospheric TEC monitoring[J]. Journal of Space Science, 2014, 34(1): 63-72. doi: 10.11728/cjss2014.01.063
Citation: Liu Wenxue, Yuan Hong, Wei Dongyan, Xu Ying. A new GNSS signal carrier tracking algorithm for ionospheric TEC monitoring[J]. Journal of Space Science, 2014, 34(1): 63-72. doi: 10.11728/cjss2014.01.063

A new GNSS signal carrier tracking algorithm for ionospheric TEC monitoring

doi: 10.11728/cjss2014.01.063
  • Received Date: 2013-03-12
  • Rev Recd Date: 2013-07-24
  • Publish Date: 2014-01-15
  • Currently, GNSS (Global Navigation Satellite System) is widely used in ionospheric TEC monitoring. The traditional method of GNSS monitoring ionospheric TEC is based on the original output measurements of navigation receiver, and then we obtain the ionospheric TEC information through the data conversion. The signal processing algorithm is also the navigation receiver algorithm which is used for navigating. The purpose of this work is to design a new GNSS dual-frequency signals tracking algorithm for the GNSS ionospheric TEC monitoring application, which is called sum-diff joint tracking algorithm. Compared with the traditional method, the algorithm is directly tracking the ionospheric TEC changes, and can improve the sensitivity of dual-frequency tracking and the TEC observation precision, so that it can improve the performance of GNSS monitoring ionospheric TEC.

     

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