Interference Alignment on the Deterministic Channel and Application to Fully Connected Gaussian Interference Networks
Cadambe, V.R.; Jafar, S.A.; Shamai, S.
Information Theory, IEEE Transactions on
Volume 55, Issue 1, Jan. 2009 Page(s):269 - 274
Digital Object Identifier   10.1109/TIT.2008.2008116
Summary:An interference alignment example is constructed for the deterministic channel model of the K-user interference channel. The deterministic channel example is then translated into the Gaussian setting, creating the first known example of a fully connected Gaussian K-user interference network with single antenna nodes, real, nonzero and constant channel coefficients, and no propagation delays where the degrees of freedom outerbound is achieved. An analogy is drawn between the propagation delay based interference alignment examples and the deterministic channel model which also allows similar constructions for the two-user X channel as well.

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