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The capacity region of a class of 2-user multi-input multi-output (MIMO) strong interference channels (IC) is characterized. As a stepping stone we prove a new upper bound to the difference of two mutual information. This class of channels called strong in partial order channels, generalizes the notion of strong channels introduced earlier in the literature in the context of SISO and SIMO Gaussian...
In this paper, we establish an approximate capacity region for a class of multiple access interference channels consisting of a multiple-access channel (MAC) and a point-to-point (P2P) link that are mutually interfering but in which there is interference only from one of the transmitters of the MAC to the receiver of the P2P link, known henceforth as the partially connected multiple-access interference...
The capacity region of the 2-user multi-input multi-output (MIMO) Gaussian interference channel (IC) is characterized to within a constant gap that is independent of the signal-to-noise ratio (SNR) and all channel parameters. The general MIMO IC is considered with an arbitrary number of antennas at each node. For a class of MIMO ICs characterized by the relation between the numbers of antennas at...
The interference channel with common information (IC-CI) is studied. In an IC-CI, each transmitter has an individual message for its paired receiver, and additionally, both transmitters collaboratively must deliver a common message to both the receivers. For the symmetric Gaussian IC-CI, the capacity region is characterized to within a gap of 3 bits independently of the values of the channel parameters...
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