Frequency domain equalization for single-carrier broadband wireless systems
Citations
130Â citations
Cites background from "Frequency domain equalization for s..."
...is not limited to OFDM and was also successfully introduced to SC communication systems [34], [35]....
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126Â citations
126Â citations
Cites background or methods from "Frequency domain equalization for s..."
...It has been shown in [1] that frequency domain equalization (FDE) can be readily applied to SM to yield similar performance as OFDM while demanding essentially the same overall complexity....
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...Note that as in [1], it is valid to have only a few non-zero taps....
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...In the past, nonlinear equalizers such as FDE with time-domain decision feedback were proposed in [1] [2], and they were shown to yield performance improvement over the linear FDE....
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...The filter coefficients are all derived based on the MMSE criterion [1]....
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...Iterative frequency domain equalization with time-domain soft-decision feedback (FDE-TDDF-soft) The iterative frequency domain equalizer with time-domain decision feedback proposed in this paper can be considered to be the iterative version of the non-iterative FDE-TDDF equalizer proposed in [1]....
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125Â citations
125Â citations
Cites background from "Frequency domain equalization for s..."
...3Spatial equalization and the inverse fast Fourier transform (IFFT) are often combined into a single step with the IFFT preceding spatial equalization since equalization in the frequency domain offers favorable complexity for broadband frequency-selective wireless channels [33]....
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References
16,062Â citations
"Frequency domain equalization for s..." refers methods in this paper
...Adaptation can be done with LMS (least mean square), RLS, or least squares minimization (LS) techniques, analogous to adaptation of time domain equalizers [Hay96], [Cla98]....
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...Overlap-save or overlap-add signal processing techniques could also be used to avoid the extra overhead of the cyclic prefix [Fer85], [Hay96]....
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2,627Â citations
"Frequency domain equalization for s..." refers background in this paper
...OFDM transmits multiple modulated subcarriers in parallel [ 1 ]....
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...Several variations of orthogonal frequency-division multiplexing (OFDM) have been proposed as effective anti-multipath techniques, primarily because of the favorable trade-off they offer between performance in severe multipath and signal processing complexity [ 1 ]....
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1,816Â citations
1,624Â citations