Search Control Algorithm Based on Random Step Size Hill-Climbing Method for Adaptive PMD Compensation

• TANIZAWA Ken

  Department of Electronic Engineering, The University of Tokyo

• HIROSE Akira

  Department of Electronic Engineering, The University of Tokyo

Abstract

Adaptive polarization mode dispersion (PMD) compensation is required for the speed-up and advancement of the present optical communications. The combination of a tunable PMD compensator and its adaptive control method achieves adaptive PMD compensation. In this paper, we report an effective search control algorithm for the feedback control of the PMD compensator. The algorithm is based on the hill-climbing method. However, the step size changes randomly to prevent the convergence from being trapped at a local maximum or a flat, unlike the conventional hill-climbing method. The randomness depends on the Gaussian probability density functions. We conducted transmission simulations at 160Gb/s and the results show that the proposed method provides more optimal compensator control than the conventional hill-climbing method.

Journal

• IEICE Transactions on Communications

  IEICE Transactions on Communications E92.B (8), 2584-2590, 2009

  The Institute of Electronics, Information and Communication Engineers

Keywords

• optical fiber communications
• polarization mode dispersion (PMD)
• PMD compensation

Details

• CRID: 1390282679350862464
• NII Article ID: 10026839912
• NII Book ID: AA10826261
• DOI: 10.1587/transcom.e92.b.2584
• ISSN: 17451345
• ISSN: 09168516
• Web Site: https://www.jstage.jst.go.jp/article/transcom/E92.B/8/E92.B_8_2584/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed