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Abstract
Full frequency reuse in multi-beam satellite communication systems allows to achieve a high capacity, provided that the inter-beam co-channel interference (CCI) can be properly dealt with. Tomlinson-Harashima precoding (THP) is a popular technique applied at the basestation transmitter to cancel the interference in the forward link. However, the conventional detection of THP, involving a modulo operation at the receiver terminals, is known to suffer from modulo loss, which becomes considerable at low SNR. This contribution explores alternative detection techniques to reduce the modulo loss. We point out that by applying proper signal rotations at the basestation transmitter, these alternative detectors almost completely recover the modulo loss for 2-PAM, achieving a higher mutual information (MI) than 4-QAM at low SNR.
Keywords
Multibeam satellite communication, Interference cancellation, Tomlinson-Harashima precoding (THP), Mutual information (MI) optimization

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MLA
Debels, Erica, Adriaan Suls, and Marc Moeneclaey. “Modulo Loss Reduction for Tomlinson-Harashima Precoding in a Multi-beam Satellite Forward Link.” 2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC). Edinburgh: IEEE, 2016. Print.
APA
Debels, E., Suls, A., & Moeneclaey, M. (2016). Modulo loss reduction for Tomlinson-Harashima precoding in a multi-beam satellite forward link. 2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC). Presented at the SPAWC 2016, 17th IEEE International Workshop on Signal Processing Advances in Wireless Communications , Edinburgh: IEEE.
Chicago author-date
Debels, Erica, Adriaan Suls, and Marc Moeneclaey. 2016. “Modulo Loss Reduction for Tomlinson-Harashima Precoding in a Multi-beam Satellite Forward Link.” In 2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC). Edinburgh: IEEE.
Chicago author-date (all authors)
Debels, Erica, Adriaan Suls, and Marc Moeneclaey. 2016. “Modulo Loss Reduction for Tomlinson-Harashima Precoding in a Multi-beam Satellite Forward Link.” In 2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC). Edinburgh: IEEE.
Vancouver
1.
Debels E, Suls A, Moeneclaey M. Modulo loss reduction for Tomlinson-Harashima precoding in a multi-beam satellite forward link. 2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC). Edinburgh: IEEE; 2016.
IEEE
[1]
E. Debels, A. Suls, and M. Moeneclaey, “Modulo loss reduction for Tomlinson-Harashima precoding in a multi-beam satellite forward link,” in 2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC), Edinburgh, 2016.
@inproceedings{8133130,
  abstract     = {Full frequency reuse in multi-beam satellite communication systems allows to achieve a high capacity, provided that the inter-beam co-channel interference (CCI) can be properly dealt with. Tomlinson-Harashima precoding (THP) is a popular technique applied at the basestation transmitter to cancel the interference in the forward link. However, the conventional detection of THP, involving a modulo operation at the receiver terminals, is known to suffer from modulo loss, which becomes considerable at low SNR. This contribution explores alternative detection techniques to reduce the modulo loss. We point out that by applying proper signal rotations at the basestation transmitter, these alternative detectors almost completely recover the modulo loss for 2-PAM, achieving a higher mutual information (MI) than 4-QAM at low SNR.},
  author       = {Debels, Erica and Suls, Adriaan and Moeneclaey, Marc},
  booktitle    = {2016 IEEE 17TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC)},
  isbn         = {9781509017492},
  issn         = {2325-3789},
  keywords     = {Multibeam satellite communication,Interference cancellation,Tomlinson-Harashima precoding (THP),Mutual information (MI) optimization},
  language     = {eng},
  location     = {Edinburgh},
  pages        = {5},
  publisher    = {IEEE},
  title        = {Modulo loss reduction for Tomlinson-Harashima precoding in a multi-beam satellite forward link},
  url          = {http://dx.doi.org/10.1109/SPAWC.2016.7536814},
  year         = {2016},
}

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