Abstract

Passive Intermodulation Distortion (PIMD) is a phenomenon in which two or more transmission signal frequencies interfere with each other due to non-linearity in a passive element of a wireless communication system apparatus and undesired signals are generated. Such passive component intermodulation distortion increases the noise level in the receive frequency band of the wireless communication system apparatus, thereby degrading the performance of the receiver. In this paper, a passive intermodulation distortion signal modeling method is proposed based on the third-order polynomial with the transmitted and received data of the wireless communication system to mitigate the effect of PIMD in the receive band to improve the system performance.

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