Low Complexity Carrier Phase Estimation for 16-QAM Systems

DOI

10.2991/icmmita-16.2016.71How to use a DOI?

Keywords

Coherent optical communication; carrier phase estimation; 16QAM.

Abstract

A low complexity carrier phase estimation (CPE) algorithm for 16-QAM systems is investigated in this paper. In the proposed CPE algorithm, the QPSK partitioning scheme is adopted to divide the symbols into three classes (C1, C2 and C3). The symbols in C1 and C3 are used to achieve the coarse estimation and then the symbols in C2 are used to achieve the fine estimation. In addition, the Mth-power operation is replaced by the M-level absolute operation for the removal of modulated data phase, which greatly reduced the complexity. The simulation results show that the proposed algorithm has better linewidth tolerance that the traditional Viterbi and Viterbi (V&V) algorithm.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jilong Han
AU  - Wei Li
AU  - Haitao Yao
PY  - 2017/01
DA  - 2017/01
TI  - Low Complexity Carrier Phase Estimation for 16-QAM Systems
BT  - Proceedings of the 2016 4th International Conference on Machinery, Materials and Information Technology Applications
PB  - Atlantis Press
SP  - 397
EP  - 400
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmmita-16.2016.71
DO  - 10.2991/icmmita-16.2016.71
ID  - Han2017/01
ER  -