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Complete Interference Mitigation Through Receiver-Caching in Wyner's Networks
We present upper and lower bounds on the per-user multiplexing gain (MG) of
Wyner's circular soft-handoff model and Wyner's circular full model with
cognitive transmitters and receivers with cache memories. The bounds are tight
for cache memories with prelog in the soft-handoff model and for
in the full model, where denotes the number of possibly
demanded files. In these cases the per-user MG of the two models is ,
the same as for non-interfering point-to-point links with caches at the
receivers. Large receiver cache-memories thus allow to completely mitigate
interference in these networks.Comment: Submitted to ITW 2016 in Cambridg