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Satellite experiments on direct spectrum division transmission over multiple transponders

Satellite experiments on direct spectrum division transmission over multiple transponders

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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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We have been studying a direct spectrum division transmission (DSDT) technique that can divide a single carrier signal into multiple subspectra and assign them to dispersed frequency resources of the satellite transponder to improve the spectrum efficiency of the whole system. In a past study, we carried out fundamental satellite experiments on DSDT over a single transponder. This time, we conduct satellite experiments on DSDT over multiple transponders by using the latest DVB-S2X format signal. We expect using DSDT over multiple transponders will provide a new type of satellite communication service by raking unused frequency resources dispersed through multiple transponders.

Chapter Contents:

  • 13.1 Introduction
  • 13.2 Operational principle of DSDT adapter
  • 13.2.1 Spectrum-editing technique in transmitter
  • 13.2.2 Synchronization technique in receiver
  • 13.2.2.1 Auto phase control
  • 13.2.2.2 Auto frequency control
  • 13.2.2.3 Auto gain control
  • 13.3 Satellite experiments
  • 13.3.1 Experimental setup
  • 13.3.2 Spectrum division over multiple transponders
  • 13.4 Summary
  • References

Inspec keywords: satellite communication; transponders

Other keywords: multiple subspectra; DVB-S2X format signal; single carrier signal; multiple transponders; direct spectrum division transmission technique; single transponder; fundamental satellite experiments; dispersed frequency resources; DSDT; spectrum efficiency; satellite communication service; satellite transponder

Subjects: Satellite communication systems

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