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On the Capacity of MIMO Interference Channels (0807.1543v2)
Published 10 Jul 2008 in cs.IT and math.IT
Abstract: The capacity region of a multiple-input-multiple-output interference channel (MIMO IC) where the channel matrices are square and invertible is studied. The capacity region for strong interference is established where the definition of strong interference parallels that of scalar channels. Moreover, the sum-rate capacity for Z interference, noisy interference, and mixed interference is established. These results generalize known results for the scalar Gaussian IC.