Subspace-Based Estimation of Rapidly Varying Mobile Channels for OFDM Systems
Abstract
It is well-known that time-varying channels can provide time diversity and improve error rate performance compared to time-invariant fading channels. However, exploiting time diversity requires very accurate channel estimates at the receiver. In order to reduce the number of unknown channel coefficients while estimating the time-varying channel, basis expansion models can be used along with long transmission frames that contain multiple...
Paper Details
Title
Subspace-Based Estimation of Rapidly Varying Mobile Channels for OFDM Systems
Published Date
Jan 1, 2021
Volume
69
Pages
385 - 400
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