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Consequently, this can provide better performance, i.e., lower symbol error rate and higher achievable rate, than OFDM.
In particular, lower symbol error rate and higher spectral efficiency than OFDM in multipath time-variant fading channels has been found depending on the choice of parameters.
So, for short run-lengths, we encode a LOWER symbol for each insignificant coefficient instead of coding a run-length count symbol for all the sequence.
Furthermore, the FD equalization allows the exploitation of the transmission medium time and frequency diversity; thus, it potentially yields lower symbol error rate and higher achievable rate in time-variant frequency-selective fading.
Firstly, a heuristic approach for suboptimal degree distributions based on AND-OR tree technique is presented to achieve higher intermediate performance and lower symbol error rate of our proposed rateless codes.
Recall that in this case, if a coefficient and all its descendants are insignificant, we use the LOWER symbol to encode the entire tree, but if the coefficient is insignificant, and it has a significant descendant, the coefficient is encoded as ISOLATED_LOWER.
Similar(52)
In the following, upper (lower boldface) symbols will be used for matrices (column vectors) whereas lower symbols will represent scalar values, will denote transpose operator, conjugation, and hermitian transpose., represent the identity matrix, zero matrix.
As (25) indicates, the lower the symbol error rate is, the lower is the bias.
These neuroimaging markers attenuated the association between higher SBP and lower digit symbol substitution test.
Lastly, we found that the association between higher SBP mean and SBP trajectories with lower digit symbol substitution score was attenuated after adjusting for WMH and FA in the tracts of interest, whereas results were weaker for the MMSE.
Bold upper case symbols denote matrices and bold lower case symbols denote vectors.
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