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Carrier phase recovery for DVB-S2x standard in VL SNR channel

Carrier phase recovery for DVB-S2x standard in VL SNR channel

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In this paper, we come up with a robust carrier phase synchronization scheme in DVB-S2x Annex E SF mode format 2 for VL SNR channel. Unlike DVBS2 standard, DVB-S2x standard can support VL SNR condition by around -10 dB which is useful for low profile antenna and heavy rain channel condition. The proposed scheme is applicable to reduce the FER performance degradation which is caused by inaccurate estimation. By means of computer simulations, we can show that there were practically much closer approaches over the ideal AWGN channel for the proposed scheme in terms of FER performance.

Chapter Contents:

  • 62.1 Introduction
  • 62.2 System description
  • 62.2.1 Transmitter
  • 62.2.2 Signal and channel model
  • 62.3 Carrier phase synchronization
  • 62.3.1 Overall demodulator architecture
  • 62.3.2 Conventional carrier phase synchronization
  • 62.3.3 Proposed approach
  • 62.4 Numerical results and analysis
  • 62.5 Conclusion
  • Acknowledgments
  • References

Inspec keywords: digital video broadcasting; AWGN channels; antennas; synchronisation

Other keywords: robust carrier phase synchronization scheme; DVB-S2x standard; heavy rain channel condition; low profile antenna; carrier phase recovery; VL SNR channel condition; FER performance; DVB-S2x annex E SF mode format 2; AWGN channel

Subjects: Single antennas; Radio and television broadcasting

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