Exact(4)
The waterfall threshold for this code has been determined to be γ th≈1.45 dB.
In coded systems, setting the threshold in Theorem 2 to the waterfall threshold of the coding scheme provides the coefficient for both the unit step approximation and the asymptotic approximation.
The waterfall threshold has been determined through simulation of the behavior of the code in additive white Gaussian noise (AWGN) channels to be about 1.45 dB, and this value is used to compute the coding gain associated with the asymptotic approximation.
This approach has been shown to be particularly efficient in turbo-coded schemes that are iteratively decoded [13,14], when the threshold is set to the waterfall threshold of the decoding scheme - the SNR beyond which the decoding algorithm provably converges.
Similar(56)
It causes severe performance degradation, such as worse waterfall thresholds and slower slope of bit error rate (BER) curves.
However, when the second configuration or the last one is used, the loss in the convergence threshold disappears and a gain in the waterfall region is observed.
On the contrary, once SNR exceeds this threshold, their bit error ratio (BER) falls down drastically in a narrow SNR range (waterfall region).
Waterfall grille?
It has a waterfall.
Milk as waterfall.
The waterfall is primordial.
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