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KULWINDER SINGH1, KAMALJIT SINGH BHATIA2,* , HARDEEP SINGH RYAIT3
In this work, we report modeling and performance investigation of OFDM based Radio over Fiber (RoF) system with different tone signals to combat the different distortions like Intermodulation Distortion (IMD) and Error Vector Module (EVM) etc. It is observed that for low value of RF tone amplitude, the intrinsic IMD3 components are quite small as compared to the fundamental components. But as the amplitude is increased to high value, the IMD3 amplitudes become greater than fundamental components. Optimum value of modulation index is calculated at which fundamental power and IMD3 power becomes equal. We also investigate EVM for three types of modulations (4QAM, 16QAM & 64QAM) against different parameters like SSMF length, MZM bias, drive power and modulation index etc.
Multicarrier Modulation, Intermodulation Distortion (IMD), Error Vector Module (EVM), Mach-Zhender Modulator (MZM).
KULWINDER SINGH, KAMALJIT SINGH BHATIA, HARDEEP SINGH RYAIT, Experimental analysis of intermodulation distortion and error vector module for multitone RoF-OFDM system, Optoelectronics and Advanced Materials - Rapid Communications, 14, 1-2, January-February 2020, pp.37-42 (2020).
Submitted at: May 25, 2019
Accepted at: Feb. 17, 2020
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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