Abstract:The paper considers the input-constrained binary erasure channel (BEC) with causal, noiseless feedback. The channel input sequence respects the (d, ∞)-runlength limited (RLL) constraint, i.e., any pair of successive 1s must be separated by at least d 0s. We derive upper and lower bounds on the feedback capacity of this channel, for all d ≥ 1, given by: max, where the functiondδ+ 1 1− , with ∈ [0, 1] denoting the channel erasure probability, and h b (•) being the binary entropy function. We note that our bounds… Show more
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