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GNSS-assisted acquisition technique for LTE over satellite

GNSS-assisted acquisition technique for LTE over satellite

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Advances in Communications Satellite Systems: Proceedings of the 37th International Communications Satellite Systems Conference (ICSSC-2019) — Recommend this title to your library

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In this chapter, we describe an acquisition method for LTE over satellite, based on the standard 3GPP LTE PRACH waveform and processing procedures. The method is applicable when the user terminals are equipped and can utilize a global navigation satellite system (GNSS, e.g., GPS) receiver. The method requires modification of LTE user equipment (UE) only in software at layer 2 and reuse the PRACH preamble processing (detection and estimation) at the base station (eNodeB).

Chapter Contents:

  • 56.1 Introduction
  • 56.2 LTE acquisition and synchronization background
  • 56.2.1 LTE acquisition method overview
  • 56.2.2 Need for modification to operate over a satellite
  • 56.3 Review of prior work in the literature
  • 56.4 A GNSS-assisted method for LTE acquisition and synchronization over satellite
  • 56.5 Summary
  • References

Inspec keywords: Global Positioning System; radio receivers; mobile satellite communication; 3G mobile communication; Long Term Evolution

Other keywords: GNSS-assisted acquisition technique; eNodeB base station; standard 3GPP LTE PRACH waveform; Global Navigation Satellite System receiver; UE; LTE over satellite; LTE user equipment; GPS receiver; PRACH preamble processing

Subjects: Radionavigation and direction finding; Mobile radio systems; Satellite communication systems

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