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IEICE TRANSACTIONS on Communications

A Method for Determination of GNSS Radio Frequency Compatibility Threshold and Its Assessment

Wei LIU, Yuan HU

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Summary :

With the development of global navigation satellite systems (GNSS), the interference among global navigation satellite systems, known as the radio frequency compatibility problem, has become a matter of great concern to system providers and user communities. The acceptable compatibility threshold should be determined in the radio frequency compatibility assessment process. However, there is no common standard for the acceptable threshold in the radio frequency compatibility assessment. This paper firstly introduces the comprehensive radio frequency compatibility methodology combining the spectral separation coefficient (SSC) and code tracking spectral sensitivity coefficient (CT_SSC). Then, a method for determination of the acceptable compatibility threshold is proposed. The proposed method considers the receiver processing phase including acquisition, code and carrier tracking and data demodulation. Simulations accounting for the interference effects are carried out at each time step and every place on earth. The simulations mainly consider the signals of GPS, Galileo and BeiDou Navigation Satellite System (BDS) in the L1 band. Results show that all of the sole systems are compatible with other GNSS systems with respect to a special receiver configuration used in the simulations.

Publication
IEICE TRANSACTIONS on Communications Vol.E97-B No.5 pp.1103-1111
Publication Date
2014/05/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E97.B.1103
Type of Manuscript
PAPER
Category
Navigation, Guidance and Control Systems

Authors

Wei LIU
  Shanghai Maritime University
Yuan HU
  Shanghai Ocean University

Keyword