Computer Science – Information Theory
Scientific paper
2011-05-20
Computer Science
Information Theory
Submitted to ITW 2011
Scientific paper
In this paper, the 3-user multiple-input multiple-output Gaussian interference channel with M antennas at each transmitter and N antennas at each receiver is considered. It is assumed that the channel coefficients are constant and known to all transmitters and receivers. A novel scheme is presented that spans a new achievable degrees of freedom region. For some values of M and N, the proposed scheme achieve higher number of DoF than are currently achievable, while for other values it meets the best known upperbound. Simulation results are presented showing the superior performance of the proposed schemes to earlier approaches.
Amir Mohamed
El-Keyi Amr
Nafie Mohammed
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