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The performance of Low-Density Parity-Check codes over symmetric alpha-stable impulsive noise channels is considered in this paper. Due to the lack of closed-form expressions for the probability density functions of almost all the alpha-stable distributions, an efficient non-linear approximation method for channel log-likelihood ratio is presented to achieve high decoding performance covering the...
Relays can be helpful in increasing the rates and to manage/utilize the interference. One interesting scenario in cellular networks is about the users who are to be accessed by the base station of another cell. We consider a multicast channel with a relay and analyze the achievable rates under Gaussian channel. We analyze our results based on the structured lattice codes. Our model consists of multiple...
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