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Close-form expression of one-tap normalized LMS carrier phase recovery in optical communication systems

Xu, T; Jacobsen, G; Popov, S; Li, J; Liu, T; Zhang, Y; (2016) Close-form expression of one-tap normalized LMS carrier phase recovery in optical communication systems. In: Ma, M and Arrasmith, W and Li, P, (eds.) Fourth International Conference on Wireless and Optical Communications. (pp. pp. 990203-1). Society of Photo-Optical Instrumentation Engineers Green open access

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Abstract

The performance of long-haul high speed coherent optical fiber communication systems is significantly degraded by the laser phase noise and the equalization enhanced phase noise (EEPN). In this paper, the analysis of the one-tap normalized least-mean-square (LMS) carrier phase recovery (CPR) is carried out and the close-form expression is investigated for quadrature phase shift keying (QPSK) coherent optical fiber communication systems, in compensating both laser phase noise and equalization enhanced phase noise. Numerical simulations have also been implemented to verify the theoretical analysis. It is found that the one-tap normalized least-mean-square algorithm gives the same analytical expression for predicting CPR bit-error-rate (BER) floors as the traditional differential carrier phase recovery, when both the laser phase noise and the equalization enhanced phase noise are taken into account.

Type: Proceedings paper
Title: Close-form expression of one-tap normalized LMS carrier phase recovery in optical communication systems
Event: ICWOC 2016: Fourth International Conference on Wireless and Optical Communications, 4 June 2016, Beijing, China
Location: Beijing, China
Dates: 04 June 2016 - 06 June 2016
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/12.2261932
Publisher version: http://dx.doi.org/10.1117/12.2261932
Language: English
Additional information: Copyright © 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Keywords: Coherent optical detection, optical fiber communication, carrier phase recovery, normalized least-meansquare algorithm, laser phase noise, equalization enhanced phase noise
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1508372
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