PARAFAC2 receivers for Orthogonal Space-Time Block Codes
Résumé
Space-Time Block Codes can be represented by tensors, like for example the Kathri-Rao Space Time codes introduced by Sidiropoulos. In this paper, we introduce a Parallel Factor Analysis 2 (PARAFAC2) model for Orthogonal Space-Time Block Codes (OSTBC). This model, along with tensor diagonalisation designed for orthogonal tensors, leads us to develop a generic Parallel Factor Analysis (PARAFAC) blind receiver for OSTBC.