Exact(14)
Here, the average power of the amplitude limited signal and the limiter error power could also be estimated by Bussgang's method [12].
In addition, by first performing tighter limiting and after that removing the cyclic mean, we could decrease the limiter error effect in the channel estimation and possibly improve the system performance.
Of course, the limiter error estimation is not required.
We remove the cyclic mean of the estimated limiter error e ^ limiter i, because we have completely removed the cyclic mean from z ̃ ^, including the limiter error.
Note that the cyclic mean of the limiter error is also zero.
Here z ̃ ^ is an estimate for z with cyclic mean set to zero and including the limiter error.
Similar(46)
The hybrid scheme with the limiter MM1 produces error of the same order as ENO2.
Let us define an error vector e limiter = s ⌣ - s, which contains the information removed by the limiter from the sequence s.
It represents an additive error sequence generated by the limiter.
We analyze the numerical behavior of these limiters applied to a pair of model problems, comparing the error of the approximate solutions, and discuss each limiter's advantages and disadvantages.
Then, in Section 3 we model the error caused by the symbol level limiter in the transmitted signal.
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