2024
DOI: 10.3390/s24113581
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Time-Varying Channel Estimation Based on Distributed Compressed Sensing for OFDM Systems

Yong Ding,
Honggao Deng,
Yuelei Xie
et al.

Abstract: For orthogonal frequency division multiplexing (OFDM) systems in high-mobility scenarios, the estimation of time-varying multipath channels not only has a large error, which affects system performance, but also requires plenty of pilots, resulting in low spectral efficiency. To address these issues, we propose a time-varying multipath channel estimation method based on distributed compressed sensing and a multi-symbol complex exponential basis expansion model (MS-CE-BEM) by exploiting the temporal correlation … Show more

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