J. Hoydis, M. Kobayashi, and M. Debbah, Green Small-Cell Networks, IEEE Vehicular Technology Magazine, vol.6, issue.1, pp.37-43, 2011.
DOI : 10.1109/MVT.2010.939904

URL : https://hal.archives-ouvertes.fr/hal-00648111

D. López-pérez, ?. I. Güvenc, G. De-la-roche, M. Kountouris, T. Q. Quek et al., Enhanced intercell interference coordination challenges in heterogeneous networks, IEEE Wireless Communications, vol.18, issue.3, pp.22-30, 2011.
DOI : 10.1109/MWC.2011.5876497

V. Chandrasekhar and J. G. Andrews, Spectrum allocation in tiered cellular networks, IEEE Transactions on Communications, vol.57, issue.10, pp.3059-3068, 2009.
DOI : 10.1109/TCOMM.2009.10.080529

W. C. Cheung, T. Q. Quek, and M. Kountouris, Throughput Optimization, Spectrum Allocation, and Access Control in Two-Tier Femtocell Networks, IEEE Journal on Selected Areas in Communications, vol.30, issue.3, pp.561-574, 2012.
DOI : 10.1109/JSAC.2012.120406

URL : https://hal.archives-ouvertes.fr/hal-00746629

A. Tsai, L. Wang, J. Huang, and R. Hwang, High-Capacity OFDMA Femtocells by Directional Antennas and Location Awareness, IEEE Systems Journal, vol.6, issue.2, pp.329-340, 2012.
DOI : 10.1109/JSYST.2011.2178724

C. Ko and H. Wei, On-Demand Resource-Sharing Mechanism Design in Two-Tier OFDMA Femtocell Networks, IEEE Transactions on Vehicular Technology, vol.60, issue.3, pp.1059-1071, 2011.
DOI : 10.1109/TVT.2011.2106171

P. Xia, V. Chandrasekhar, and J. G. Andrews, Open vs. Closed Access Femtocells in the Uplink, IEEE Transactions on Wireless Communications, vol.9, issue.12, pp.3798-3809, 2010.
DOI : 10.1109/TWC.2010.101310.100231

V. Chandrasekhar, J. G. Andrews, T. Muharemovic, Z. Shen, and A. Gatherer, Power control in two-tier femtocell networks, IEEE Transactions on Wireless Communications, vol.8, issue.8, pp.4316-4328, 2009.
DOI : 10.1109/TWC.2009.081386

C. W. Tan, S. Friedland, and S. H. Low, Spectrum Management in Multiuser Cognitive Wireless Networks: Optimality and Algorithm, IEEE Journal on Selected Areas in Communications, vol.29, issue.2, pp.421-430, 2011.
DOI : 10.1109/JSAC.2011.110214

C. W. Tan, Optimal power control in Rayleigh-fading heterogeneous networks, 2011 Proceedings IEEE INFOCOM, pp.2552-2560, 2011.
DOI : 10.1109/INFCOM.2011.5935080

S. Park, W. Seo, Y. Kim, S. Lim, and D. Hong, Beam Subset Selection Strategy for Interference Reduction in Two-Tier Femtocell Networks, IEEE Transactions on Wireless Communications, vol.9, issue.11, pp.3440-3449, 2010.
DOI : 10.1109/TWC.2010.092410.091171

Y. Jeong, T. Q. Quek, and H. Shin, Beamforming optimization for multiuser two-tier networks, Journal of Communications and Networks, vol.13, issue.4, pp.327-338, 2011.
DOI : 10.1109/JCN.2011.6157452

S. Cheng, S. Lien, F. Chu, and K. Chen, On exploiting cognitive radio to mitigate interference in macro/femto heterogeneous networks, IEEE Wireless Communications, vol.18, issue.3, pp.40-47, 2011.
DOI : 10.1109/MWC.2011.5876499

S. Lien, Y. Lin, and K. Chen, Cognitive and Game-Theoretical Radio Resource Management for Autonomous Femtocells with QoS Guarantees, IEEE Transactions on Wireless Communications, vol.10, issue.7, pp.2196-2206, 2011.
DOI : 10.1109/TWC.2011.060711.100737

A. Adhikary, V. Ntranos, and G. Caire, Cognitive femtocells: Breaking the spatial reuse barrier of cellular systems, 2011 Information Theory and Applications Workshop, pp.1-10, 2011.
DOI : 10.1109/ITA.2011.5743563

S. E. Nai, T. Q. Quek, and M. Debbah, Shadowing time-scale admission and power control for small cell networks, Proc. IEEE Int. Symp. Wireless Pers. Multimedia Commun, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00771255

E. Matskani, N. D. Sidiropoulos, Z. Luo, and L. Tassiulas, Convex approximation techniques for joint multiuser downlink beamforming and admission control, IEEE Transactions on Wireless Communications, vol.7, issue.7, pp.2682-2693, 2008.
DOI : 10.1109/TWC.2008.070104

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.163.2895

I. Mitliagkas, N. D. Sidiropoulos, and A. Swami, Joint Power and Admission Control for Ad-Hoc and Cognitive Underlay Networks: Convex Approximation and Distributed Implementation, IEEE Transactions on Wireless Communications, vol.10, issue.12, pp.4110-4121, 2011.
DOI : 10.1109/TWC.2011.100811.101381

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.393.9433

M. Chiang, Geometric Programming for Communication Systems, Foundations and Trends?? in Communications and Information Theory, vol.2, issue.1-2, 2005.
DOI : 10.1561/0100000005