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Interference alignment on the deterministic channel and application to fully connected AWGN interference networks

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3 Author(s)
Viveck Cadambe ; Electrical Engineering and Computer Science, University of California Irvine, 92697, USA ; Syed A. Jafar ; Shlomo Shamai

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, non-zero 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 2 user X channel as well.

Published in:

Information Theory Workshop, 2008. ITW '08. IEEE

Date of Conference:

5-9 May 2008