Transmitter IQ Mismatch Compensation and Monitoring for Digital Subcarrier-multiplexing Systems

Zhiqun Zhai,Mengfan Fu,Lei Liu,Hexun Jiang,Huiling Ren,Lilin Yi,Weisheng Hu,Qunbi Zhuge

Transmitter IQ Mismatch Compensation and Monitoring for Digital Subcarrier-multiplexing Systems

2020

Zhiqun Zhai
Mengfan Fu
Lei Liu
Hexun Jiang
Huiling Ren
Lilin Yi
Weisheng Hu
Qunbi Zhuge

A transmitter (Tx) IQ mismatch compensation and monitoring scheme based on post-equalization is proposed for subcarrier-multiplexing systems. The estimation errors of power and phase mismatch are less than 0.1 dB and 0.3 degree, respectively.

Keywords:

Crosstalk
Transmitter
Quadrature amplitude modulation
Subcarrier multiplexing
Electronic engineering
Computer science

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