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Sociedade Brasileira de Telecomunicações

Receivers for the up-link of multiuser MIMO systems with Spatial Modulation

This paper presents the results obtained from the conjunction of two techniques proposed for use in modern communication systems: Spatial Modulation (SM) and decoupled signal detection. Theoretical fundamentals of Spatial Modulation signal detection are covered, in addition to signal decoupling techniques that enable the separation at the base station of signals transmitted from different users, aiming at the simplification and utilization of detection procedures best suited to each user in the network. Performance analyses, in terms of bit error rate, and computational complexity, in terms of the average number of flops per detected symbol vector are carried out for the different associations of decoupling techniques and SM detectors.

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