G. Auer, O. Blume, V. Giannini, I. Godor, M. A. Imran et al., Energy efficiency analysis of the reference systems, areas of improvements and target breakdown, 2010.

A. Bousia, A. Antonopoulos, L. Alonso, and C. Verikoukis, Distanceaware base station sleeping algorithm in LTE-Advanced, Proc. IEEE International Conference on Communications (ICC), 2012.

S. E. Elayoubi, O. B. Haddada, and B. Fourestie, Performance evaluation of frequency planning schemes in OFDMA-based networks, IEEE Transactions on Wireless Communications, vol.7, issue.5, 2008.
DOI : 10.1109/TWC.2008.060458.

O. J. Grodzevich and O. Romanko, Normalization and other topics in multi-objective optimization, Workshop of the Fields MITACS Industrial Problems, 2006.

F. Han, Z. Safar, W. S. Lin, Y. Chen, and K. J. Liu, Energy-efficient cellular network operation via base station cooperation, 2012 IEEE International Conference on Communications (ICC), 2012.
DOI : 10.1109/ICC.2012.6364370
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.460.809

M. F. Hossain, K. S. Munasinghe, and A. Jamalipour, A protocooperationbased sleep-wake architecture for next generation green cellular access networks, Proc. International Conference on Signal Processing and Communication Systems (ICSPCS), 2010.

K. Khawam, M. Ibrahim, J. Cohen, S. Lahoud, and S. Tohme, Individual vs. Global Radio Resource Management in a Hybrid Broadband Network, 2011 IEEE International Conference on Communications (ICC), 2011.
DOI : 10.1109/icc.2011.5962580
URL : https://hal.archives-ouvertes.fr/inria-00528575

F. Moety, S. Lahoud, B. Cousin, and K. Khawam, Power-Delay Tradeoffs in Green Wireless Access Networks, 2013 IEEE 78th Vehicular Technology Conference (VTC Fall), 2013.
DOI : 10.1109/VTCFall.2013.6692374
URL : https://hal.archives-ouvertes.fr/hal-00865106

Z. Niu, Y. Wu, J. Gong, and Z. Yang, Cell zooming for cost-efficient green cellular networks, IEEE Communications Magazine, vol.48, issue.11, pp.74-79, 2010.
DOI : 10.1109/MCOM.2010.5621970

D. T. Pham and D. Karaboga, Intelligent Optimisation Techniques: Genetic Algorithms, Tabu Search, Simulated Annealing and Neural Networks, 1998.
DOI : 10.1007/978-1-4471-0721-7

F. Richter, A. J. Fehske, and G. P. Fettweis, Energy Efficiency Aspects of Base Station Deployment Strategies for Cellular Networks, 2009 IEEE 70th Vehicular Technology Conference Fall, 2009.
DOI : 10.1109/VETECF.2009.5379031

K. Son, H. Kim, Y. Yi, and B. Krishnamachari, Base Station Operation and User Association Mechanisms for Energy-Delay Tradeoffs in Green Cellular Networks, IEEE Journal on Selected Areas in Communications, vol.29, issue.8, pp.1525-1536, 2011.
DOI : 10.1109/JSAC.2011.110903

S. Tombaz, M. Usman, and J. Zander, Energy efficiency improvements through heterogeneous networks in diverse traffic distribution scenarios, 2011 6th International ICST Conference on Communications and Networking in China (CHINACOM), 2011.
DOI : 10.1109/ChinaCom.2011.6158246

W. Wang and G. Shen, Energy Efficiency of Heterogeneous Cellular Network, 2010 IEEE 72nd Vehicular Technology Conference, Fall, 2010.
DOI : 10.1109/VETECF.2010.5594361

Y. Wu, G. He, S. Zhang, Y. Chen, and S. Xu, Energy efficient coverage planning in cellular networks with sleep mode, Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 2013.