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Communication Dans Un Congrès Année : 2022

Performance-Complexity Trade-Off for Low-Complexity MIMO Detection: simplified BP vs. EP Receivers

Résumé

In this study, we intend to make an in-depth investigation of the performance-complexity trade-off of low complexity Multiple-Input Multiple-Output (MIMO) signal detection based on message passing algorithms. Several detection algorithms such as Belief Propagation (BP) and Expectation Propagation (EP) have been proposed to approximate symbol Maximum A Posteriori (MAP) for high dimensional signaling. We propose a thorough examination of those algorithms and some of their low-complexity versions, through a complexity/performance trade-off analysis to identify modes of operation depending on the number of antennas and constellation order. Finally, we propose a new simplified BP detection scheme, which combines the advantages of QR precoding and Interference Cancellation (IC).
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Dates et versions

hal-04177975 , version 1 (07-08-2023)

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Adam Mekhiche, Antonio Maria Cipriano, Charly Poulliat. Performance-Complexity Trade-Off for Low-Complexity MIMO Detection: simplified BP vs. EP Receivers. 95th Vehicular Technology Conference (VTC 2022-Spring), IEEE, Jun 2022, Helsinki, Finland. pp.1-7, ⟨10.1109/VTC2022-Spring54318.2022.9860352⟩. ⟨hal-04177975⟩
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