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Adaptive Referencing Multitap Filter for TX-IQ Imbalance and Residual ISI Tolerance
Date Issued
01-01-2022
Author(s)
Mir, Sameer Ahmad
Venkatasubramani, Lakshmi Narayanan
Indian Institute of Technology, Madras
Indian Institute of Technology, Madras
Abstract
We present a multi-tap filter for residual intersymbol interference correction which is tolerant to the transmitter IQ imbalance by adapting the reference constellation simultaneously. We evaluate the algorithm's performance for various imbalance values for 32-GBd 16QAM signals through experiments.