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ue 12(1): e3

Research Article

Galileo E1 and E5a Link-level Performance for Dual Frequency Overlay Structure

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  • @ARTICLE{10.4108/trans.ubienv.2012.e3,
        author={Jie Zhang and Elena-Simona Lohan},
        title={Galileo E1 and E5a Link-level Performance for Dual Frequency Overlay Structure},
        journal={EAI Endorsed Transactions on Ubiquitous Environments},
        volume={1},
        number={1},
        publisher={ICST},
        journal_a={UE},
        year={2012},
        month={3},
        keywords={Galileo, E1/E5a, dual frequency receiver, common baseband, signal superposition, interference, code tracking, Simulink, simulators.},
        doi={10.4108/trans.ubienv.2012.e3}
    }
    
  • Jie Zhang
    Elena-Simona Lohan
    Year: 2012
    Galileo E1 and E5a Link-level Performance for Dual Frequency Overlay Structure
    UE
    ICST
    DOI: 10.4108/trans.ubienv.2012.e3
Jie Zhang1,*, Elena-Simona Lohan1
  • 1: Tampere University of Technology, Korkeakoulunkatu 10, FI-33720 Tampere, Finland
*Contact email: jie.zhang@tut.fi

Abstract

The emerging European global satellite system Galileo has gained much public interest regarding location and position services. Two Galileo Open Service signals, namely E1 and E5, will provide the frequency diversity. The dualfrequency receiver will greatly enhance the performance of satellite navigation. However, the dual-frequency receiver becomes more complex since it needs to process two signals. Using common front-end components and common baseband for all the signals is a popular concept in literature in order to decrease the complexity. In this concept, two signals will be combined before the common baseband. The signals will then interfere with each other and the radio frequency (RF) interference in one signal band may also appear in other signal bands after the signal superposition. This article investigates the impact of interference due to the signal superposition on code tracking.

Keywords
Galileo, E1/E5a, dual frequency receiver, common baseband, signal superposition, interference, code tracking, Simulink, simulators.
Received
2011-09-30
Accepted
2012-01-05
Published
2012-03-29
Publisher
ICST
http://dx.doi.org/10.4108/trans.ubienv.2012.e3

Copyright © 2011 Zhang and Lohan, licensed to ICST. This is an open access article distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/3.0/), which permits unlimited use, distribution and reproduction in any medium so long as the original work is properly cited.

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