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An Achievable DoF Region for the Two-User Non-Coherent MIMO Broadcast Channel with Statistical CSI

Abstract : In this paper, we study the two-user non-coherent multiple-input multiple-output broadcast channel with spatially correlated Rayleigh block fading. We propose a scheme to exploit the statistical channel state information (CSI), namely, the knowledge of the covariance matrix, and derive the corresponding achievable degrees of freedom region. The main idea of the proposed scheme is based on rate-splitting, additive superposition coding, and channel training. Our result shows that statistical CSI can play an important role in enhancing the degrees of freedom of a non-coherent broadcast channel.
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Submitted on : Wednesday, June 10, 2020 - 2:58:08 PM
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Ngo Khac-Hoang, Sheng Yang, Maxime Guillaud. An Achievable DoF Region for the Two-User Non-Coherent MIMO Broadcast Channel with Statistical CSI. 2017 IEEE Information Theory Workshop (ITW 2017), Nov 2017, Kaohsiung, Taiwan. pp.604-608, ⟨10.1109/itw.2017.8277972⟩. ⟨hal-01567036⟩

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