Maso, M., L. S. Cardoso, M. Debbah, and L. Vangelista,
"Cognitive Orthogonal Precoder for Two-tiered Networks Deployment",
IEEE Journal on Selected Areas in Communications: Cognitive Radio Series, pp. 2338 - 2348, 11/2013.
Maso, M., M. Debbah, and L. Vangelista,
"A Distributed Approach to Interference Alignment in OFDM-based Two-tiered Networks",
Transactions on Vehicular Technology, special section on Self-Organizing Radio Networks, vol. 62, issue 5, pp. 1935 - 1949, 06/2013.