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Computer Science > Information Theory

arXiv:2212.07761 (cs)
[Submitted on 15 Dec 2022 (v1), last revised 19 Dec 2023 (this version, v3)]

Title:Successive Interference Cancellation for Bandlimited Channels with Direct Detection

Authors:Tobias Prinz, Daniel Plabst, Thomas Wiegart, Stefano Calabrò, Norbert Hanik, Gerhard Kramer
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Abstract:The maximum information rates for bandlimited channels with direct detection are achieved with joint detection and decoding (JDD), but JDD is often too complex to implement. Two receiver structures are studied to reduce complexity: separate detection and decoding (SDD) and successive interference cancellation (SIC). For bipolar modulation, frequency-domain raised-cosine pulse shaping, and fiber-optic channels with chromatic dispersion, SIC achieves rates close to those of JDD, thereby attaining significant energy gains over SDD and intensity modulation. Gibbs sampling further reduces the detector complexity and achieves rates close to those of the forward-backward algorithm at low to intermediate signal-to-noise ratio (SNR) but stalls at high SNR. Simulations with polar codes, higher-order modulation, and multi-level coding confirm the predicted gains.
Comments: Submitted to IEEE Journal of Lightwave Technology on December 15, 2022; Resubmitted to IEEE Transactions on Communications on September 9, 2023; accepted November 17, 2023;
Subjects: Information Theory (cs.IT)
Cite as: arXiv:2212.07761 [cs.IT]
  (or arXiv:2212.07761v3 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2212.07761

Submission history

From: Tobias Prinz [view email]
[v1] Thu, 15 Dec 2022 12:25:54 UTC (117 KB)
[v2] Sat, 9 Sep 2023 20:02:53 UTC (60 KB)
[v3] Tue, 19 Dec 2023 16:30:08 UTC (61 KB)
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