Publication Date: 2024/02/12
Abstract: A form of distortion known as passive intermodulation (PIM), which is becoming more and more of an issue in the telecommunications industry, affects the delicate receiving signals in cellular networks. The system' s signal-to-noise ratio (SNR) may be significantly limited by passive intermodulation (PIM) interference when the performance of other radio frequency (RF) components is correctly designed. To reduce interference and improve network capacity in multicarrier networks, there are strict PIM level requirements for base stations, satellite systems, and indoor distributed antenna systems. PIM results from signals running through nonlinear systems at different frequencies which results in false distortion signals. Even though it can exist in active circuits of radio systems, PIM is most frequently found in passive wireless systems, especially with quite high transmit power. This article reviews sources of PIM and classifies the PIM into as rusty bolt, assembly, and design PIM. Two categories of mechanisms have been shown to be the primary cause of PIM, nonlinearities of contact and material. Passive nonlinearities mainly cause from electro-thermal processes, the junction of metal, insulator, and metalinsulator-metal (MIM) junctions, surface roughness and contact mechanical deformations. These mechanisms in charge of producing PIM are presented and also, analog and digital cancellation methods for PIM are reviewed
Keywords: No Keywords Available
DOI: https://doi.org/10.5281/zenodo.10648635
PDF: https://ijirst.demo4.arinfotech.co/assets/upload/files/IJISRT24FEB192.pdf
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