Andrea Brunello, Raúl Montoliu-Colás, Angelo Montanari, Adriano J. C. Moreira, Nicola Saccomanno, Emilio Sansano-Sansano, Joaquín Torres-Sospedra: A Multi-Day, Multi-Floor, Multi-Environment 2.4 GHz Wi-Fi CSI Dataset for Fingerprint-Based Indoor Positioning and Temporal Stability Analysis. Zenodo 2024