J. Mitola, I. , and G. Maguire-jr, Cognitive radio: making software radios more personal, IEEE Personal Communications, vol.6, issue.4, pp.13-18, 1999.
DOI : 10.1109/98.788210

. Debbah, SDR4all: Software Defined Radio Made Easy, 6th Karlsruhe Workshop on Software Radio, 2010.

M. Maso, L. S. Cardoso, E. Batu, N. Linh-trung, M. Debbah et al., On the Practical Implementation of VFDM-based Opportunistic Systems: Issues and Challenges, REV Journal on Electronics and Communications, vol.2, issue.1-2, 2012.
DOI : 10.21553/rev-jec.30
URL : https://hal.archives-ouvertes.fr/hal-00769409

. Ozdemir, VFDM: a prototype of cognitive transceiver, International Workshop on Communication Systems (IWCS), 2011.

B. Mawlawi, E. Batu, C. Nerguizian, S. Azarian, and M. Debbah, Non-invasive green small cell network, 2012 Conference Record of the Forty Sixth Asilomar Conference on Signals, Systems and Computers (ASILOMAR), 2012.
DOI : 10.1109/ACSSC.2012.6488960
URL : https://hal.archives-ouvertes.fr/hal-00771216