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- W4361194498 abstract "We consider unsourced random access with MIMO receiver - a crucial communication scenario for future 5G/6G wireless networks. We perform a projection-based decoder analysis and derive energy efficiency achievability bounds when channel state information is unknown at transmitters and the receiver (no-CSI scenario). The comparison to the maximum-likelihood (ML) achievability bounds by Gao et al. (2023) is performed. We show that there is a region where the new bound outperforms the ML bound. The latter fact should not surprise the reader as both decoding criteria are suboptimal when considering per-user probability of error (PUPE). Moreover, transition to projection decoding allows for significant dimensionality reduction, which greatly reduces the computation time." @default.
- W4361194498 created "2023-03-31" @default.
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- W4361194498 date "2023-03-27" @default.
- W4361194498 modified "2023-09-28" @default.
- W4361194498 title "Unsourced Random Access with the MIMO Receiver: Projection Decoding Analysis" @default.
- W4361194498 doi "https://doi.org/10.48550/arxiv.2303.15395" @default.
- W4361194498 hasPublicationYear "2023" @default.
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