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On the Sum Rate of a 2 x 2 Interference Network by Sridhar, Murali; Bhashyam, Srikrishna is a scholarly article available to read on EtoBox.

What is On the Sum Rate of a 2 x 2 Interference Network about?

In an M x N interference network, there are M transmitters and N receivers with each transmitter having independent messages for each of the 2^N -1 possible non-empty subsets of the receivers. We consider the 2 x 2 interference network with 6 possible messages, of which the 2 x 2 interference channel and X channel are special cases obtained by using only 2 and 4 messages respectively. Starting from an achievable rate region similar to the Han-Kobayashi region, we obtain an achievable sum rate. For the Gaussian interference network, we determine which of the 6 messages are sufficient for maximizing the sum rate within this rate region for the low, mixed, and strong interference conditions. It is observed that 2 messages are sufficient in several cases.

Author

Sridhar, Murali; Bhashyam, Srikrishna

Published

2012

Language

EN