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| Nonlinearity Compensation Technology in Vector Millimeter Wave System |
| Received:March 01, 2018 Revised:November 25, 2018 |
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| DOI：10.7643/ issn.1672-9242.2018.11.014 |
| KeyWord:nonlinear distortion compensation volterra series vector mm-wave system radio over fiber |
| Author | Institution |
| HAN Chao |
Military Representative Office of the 426 Navy in Dalian, Dalian , China |
| HUA Yang |
Military Representative Office of the 426 Navy in Dalian, Dalian , China |
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| Abstract: |
| Objective To propose a nonlinear equalization method based on the Volterra series to solve the nonlinear problems caused by transmission link and photoelectric conversion in vector millimeter wave system. Methods Firstly, the basic principle of this method was given, and then a vector millimeter wave simulation system was built. Its RF carrier frequency was 40GHz and its transmission signal was 5Gbaud 16QAM. Finally the nonlinear term contribution of the nonlinear model based on Volterra series was analyzed. The nonlinear equilibrium method′s ability to improvement of the system performance was compared with the linear equilibrium scheme in the case of different transmission distance. Results When the transmission distance was 10km, the proposed nonlinear equalization method could reduce platform bit error rate to less than 10?3. Conclusion This plan significantly improves the performance of the system. |
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