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downlink transmission 1imperfect csit 1multi-user mimo 1rate-splitting multiple access 1sinr approximation 1

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eess.SP2026

Improved SINR Approximation for Downlink RSMA-based Networks with Outdated Channel State Information

Maria Cecilia Fernández Montefiore, Gustavo González, F. Javier López-Martínez +1

The paper proposes a more accurate statistical approximation of the downlink SINR for multi‑user MIMO systems when the transmitter has outdated channel state information, and valid…