An Outer Bound Region for the Parallel Two-Way Channel With Interference

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Executive Summary

The classical interference channel models the communication limits of two independent, interfering streams of one-way data. In this paper, the authors extend the classical interference channel model to a new channel model in which two streams of two-way data interfere with each other. In the absence of interference, this model would result in two parallel two-way channels (a four node channel); in the presence of interference it encompasses two-way, interference, and cooperation tradeoffs. The discrete memoryless "Parallel two-way channel with interference" is considered, in which each of the four nodes is the source of one message, the receiver of another, and experiences interference from yet another transmitter.

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