On the Capacity of MIMO Interference Channels
Xiaohu Shang, Biao Chen, Gerhard Kramer, H. Vincent Poor
TL;DR
This paper investigates the capacity limits of MIMO interference channels with square invertible matrices, establishing capacity regions for strong interference and sum-rate capacities for various interference types, generalizing scalar channel results.
Contribution
It extends known scalar interference channel results to MIMO channels, providing new capacity region and sum-rate capacity characterizations for different interference regimes.
Findings
Capacity region for strong interference in MIMO IC established
Sum-rate capacity for Z, noisy, and mixed interference derived
Results generalize scalar Gaussian IC findings
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.
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Taxonomy
TopicsWireless Communication Security Techniques · Antenna Design and Analysis · Cellular Automata and Applications