Positioning principles with a mobile TV system using DVB-SH signals and a Single Frequency Network

Paul Thevenon 1 Olivier Julien 2 Christophe Macabiau 2 Damien Serant 2 Lionel Ries 3 Stéphane Corazza 4 Michel Bousquet 1
1 ISAE-SUPAERO - Institut Supérieur de l'Aéronautique et de l'Espace
2 ENAC - Ecole Nationale de l'Aviation Civile
3 CNES - Centre National d'Etudes Spatiales
4 TAS - Thales Alenia Space
Abstract : Mobile receiver positioning has received a lot of attention, both in research and standardization bodies, due to regulatory (E-911) or commercial (Location-Based Services) incentives. This paper investigates the possibility of self-positioning a mobile receiver using a mobile TV broadcasting system based on the European DVB-SH standard. This OFDM-based standard offers the interesting possibility of using a Single Frequency Network (SFN) of emitters, meaning that the transmitters are synchronized, which is extremely precious for navigation applications based on Time of Arrival measurements. This paper proposes to base our positioning service on the use of the estimation of the channel done by the receiver, in order to use Time Differences of Arrival techniques. In order to detect several emitters in a SFN, it is proposed to introduce artificial delays between adjacent emitters. The impact of this modification is investigated and some particular DVB-SH signal parameters are found to be well-suited to this solution.
Keywords : mobile TV positioning OFDM channel estimation single frequency network
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Paul Thevenon, Olivier Julien, Christophe Macabiau, Damien Serant, Lionel Ries, et al.. Positioning principles with a mobile TV system using DVB-SH signals and a Single Frequency Network. DPS 2009, 16th International Conference on Digital Signal Processing, Jul 2009, Santorin, Greece. pp 1-8, ⟨10.1109/ICDSP.2009.5201204⟩. ⟨hal-01022205⟩

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