Channel estimation in low SNR environments using chirp signals and joint time-frequency filters

Xiang-Gen Xia

doi:10.1109/mmsp.1997.602665

Channel estimation in low SNR environments using chirp signals and joint time-frequency filters

Xiang-Gen Xia

https://doi.org/10.1109/mmsp.1997.602665

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Publication Date: Jan 1, 1997

Citations: 1

Affiliation: University of Delaware

#Low Signal-to-noise Ratio Environments #Linear Time-variant Filters + Show 8 more

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Abstract

A novel method to estimate an unknown linear time invariant (LTI) channel in low signal-to-noise ratio (SNR) environment is proposed. The method is based on transmitting chirp signals for the transmitter and using linear time-variant filters in the joint time-frequency (TF) domain for the receiver to reduce the noise before estimation.

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