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Probabilistic Eigen...
Probabilistic Eigenvalue Shaping for Nonlinear Fourier Transform Transmission
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- Buchberger, Andreas, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Graell i Amat, Alexandre, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Aref, Vahid (författare)
- Nokia AB,Nokia Oy
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- Schmalen, Laurent (författare)
- Nokia AB,Nokia Oy
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(creator_code:org_t)
- 2018
- 2018
- Engelska.
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Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 36:20, s. 4799-4807
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://research.cha...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We consider a nonlinear Fourier transform (NFT)-based transmission scheme, where data is embedded into the imaginary part of the nonlinear discrete spectrum. Inspired by probabilistic amplitude shaping, we propose a probabilistic eigenvalue shaping (PES) scheme as a means to increase the data rate of the system. We exploit the fact that for an NFT-based transmission scheme the pulses in the time domain are of unequal duration by transmitting them with a dynamic symbol interval and find a capacity-achieving distribution. The PES scheme shapes the information symbols according to the capacity-achieving distribution and transmits them together with the parity symbols at the output of a low-density parity-check encoder, suitably modulated, via time-sharing. We furthermore derive an achievable rate for the proposed PES scheme. We verify our results with simulations of the discrete-time model as well as with split-step Fourier simulations.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
Nyckelord
- soliton communication
- nonlinear Fourier transform (NFT)
- Discrete spectrum
- probabilistic shaping
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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