A New Proof for the DoF Region of the MIMO Networks with No CSIT
Borzoo Rassouli, Chenxi Hao, Bruno Clerckx
TL;DR
This paper presents a novel proof for the DoF region of K-user MIMO broadcast channels without CSIT, derives capacity regions under certain conditions, and establishes an outer bound for MIMO interference channels.
Contribution
It introduces a new proof technique for the DoF region of MIMO BCs with no CSIT and extends results to capacity and interference channel bounds.
Findings
New proof for DoF region of MIMO BC with no CSIT
Capacity region derived for MIMO BC with CDIT and perfect CSIR
Outer bound established for MIMO interference channel with no CSIT
Abstract
In this paper, a new proof for the degrees of freedom (DoF) region of the K-user multiple-input multiple-output (MIMO) broadcast channel (BC) with no channel state information at the transmitter (CSIT) and perfect channel state information at the receivers (CSIR) is provided. Based on this proof, the capacity region of a certain class of MIMO BC with channel distribution information at the transmitter (CDIT) and perfect CSIR is derived. Finally, an outer bound for the DoF region of the K-user MIMO interference channel (IC) with no CSIT is provided.
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