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IEICE TRANSACTIONS on Fundamentals

Zero-Forcing Aided Polarization Dependent Loss Elimination for Polarization Modulation Based Dual-Polarized Satellite Systems

Rugang WANG, Feng ZHOU, Xiaofang YANG, Zhangkai LUO

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Summary :

To improve the robustness of the polarization modulation (PM) technique applied in dual-polarized satellite systems, a zero-forcing aided demodulation (ZFAD) method is proposed to eliminate the impairment to the PM from the depolarization effect (DE). The DE elimination is traditionally dependent on the pre-compensation method, which is based on the channel state information (CSI). While the distance between communication partners in satellite systems is so long that the CSI can not be always updated in time at the transmitter side. Therefore, the pre-compensation methods may not perform well. In the ZFAD method, the CSI is estimated at the receiver side and the zero forcing matrix is constructed to process the received signal before demodulating the PM signal. In this way, the DE is eliminated. In addition, we derive the received signal-to-noise ratio expression of the PC and ZFAD methods with the statistical channel model for a better comparison. Theoretical analysis and simulation results demonstrate the ZFAD method can eliminate the DE effect effectively and achieve a better symbol error rate performance than the pre-compensation method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E102-A No.1 pp.290-295
Publication Date
2019/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E102.A.290
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Rugang WANG
  Yancheng Institute of Technology; Collaborative Innovation Center of Jiangsu Provincial Ecological Building Materials and Environmental Protection Equipment; Research Center of Yancheng City Optical Fiber Sensing and Applied Engineering Technology
Feng ZHOU
  Yancheng Institute of Technology; Collaborative Innovation Center of Jiangsu Provincial Ecological Building Materials and Environmental Protection Equipment; Research Center of Yancheng City Optical Fiber Sensing and Applied Engineering Technology
Xiaofang YANG
  Yancheng Institute of Technology; Collaborative Innovation Center of Jiangsu Provincial Ecological Building Materials and Environmental Protection Equipment; Research Center of Yancheng City Optical Fiber Sensing and Applied Engineering Technology
Zhangkai LUO
  Yancheng Institute of Technology; Collaborative Innovation Center of Jiangsu Provincial Ecological Building Materials and Environmental Protection Equipment; Research Center of Yancheng City Optical Fiber Sensing and Applied Engineering Technology

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