M. Frikel, S. Safi, B. Targui, and M. M’Saad, “Channel Identification Using Chaos for an Uplink/Downlink Multicarrier Code Division Multiple Access System”, JTIT, vol. 42, no. 4, pp. 91–97, Dec. 2010, doi: 10.26636/jtit.2010.4.1116.