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- W3209780579 abstract "The sparsity of multipaths in the wideband channel has motivated the use of compressed sensing for channel estimation. In this letter, we propose a different approach to sparse channel estimation. We exploit the fact that $L$ taps of channel impulse response in time domain constitute a non-orthogonal superposition of $L$ geometric sequences in frequency domain. This converts the channel estimation problem into the extraction of the parameters of geometric sequences. Numerical results show that the proposed scheme is superior to existing algorithms in high signal-to-noise ratio (SNR) and large bandwidth conditions." @default.
- W3209780579 created "2021-11-08" @default.
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- W3209780579 date "2022-01-01" @default.
- W3209780579 modified "2023-10-03" @default.
- W3209780579 title "Sparse Channel Estimation in Wideband Systems With Geometric Sequence Decomposition" @default.
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- W3209780579 doi "https://doi.org/10.1109/lwc.2021.3123314" @default.
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