Rate-Splitting Multiple Access (RSMA) is a flexible and robust multipleaccess scheme for downlink multi-antenna wireless networks . RSMA relies onRate-splitting (RS) at the transmitter and Successive Interference Cancellation (SIC) at receivers . We present the optimal system designsemploying RSMA that target short-packet and low-latency communications as well as robust communications with high-throughput under the practical and importantsetup of imperfect Channel State Information at Transmitter (CSIT) originating from user mobility and feedback latency in the network . We demonstrate that RSMA achieves significantly higher performance thanSDMA and Non-Orthogonal Multiple Access .

Author(s) : Onur Dizdar, Yijie Mao, Yunnuo Xu, Peiying Zhu, Bruno Clerckx

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Keywords : rsma - splitting - multiple - access - communications -

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