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IEICE TRANSACTIONS on Fundamentals

Investigation into Symbol Error Rate of Multilevel Differential Polarization Shift Keying with Estimation of Inclined Polarization Axes

Kouji OHUCHI, Yusuke ITO

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Summary :

As a modulation scheme for optical wireless communication, there is MPolSK (multilevel polarization shift keying) that modulates a state of polarization of light. MPolSK has a problem that it is severely affected by mismatched polarization axes. Although MDPolSK (multilevel differential PolSK) can overcome the problem, it is susceptible to noise, and its SER (symbol error rate) degrades as compared to MPolSK. In this paper, we propose one kind of MDPolSK that estimates the mismatched polarization axes in the receiver. We analyzed SER of the proposed scheme by computer simulations. The result shows that the proposed scheme is not affected by the mismatched polarization axes, and it provides a good SER as compared to the conventional MDPolSK. In addition, we modified the constellation used in the proposed scheme to improve SER.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E102-A No.1 pp.168-176
Publication Date
2019/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E102.A.168
Type of Manuscript
Special Section PAPER (Special Section on Wideband Systems)
Category

Authors

Kouji OHUCHI
  Shizuoka University
Yusuke ITO
  Shizuoka University

Keyword