[5] H. Q. Ngo, E. G. Larsson, and T. L. Marzetta. Energy and spectral efficiency of very large multiusr MIMO systems[J]. IEEE Trans. Commun. 2012, submitted.
[6] T. L. Marzetta. How much training is required for multiusr MIMO?[C]. in Proc. Fortieth Asilomar Conference on Signal, System and Computer(ACSSC’ 06), 2006. 359-363.
[7] J. Jose, A. Ashikhmin, T. L. Marzetta et al. \systems\ 2009. 2184-2188.
[8] F. Rusek, D. Persson, B. K. Lau, E. G. Larsson, T. L. Marzetta, and F. Tufvesson. Scaling up MIMO: Opportunities and challenges with very large arrays[J]. Accepted for publication in the IEEE Signal Processing Magazine. October 2011.
[9] K. Appaish, A. Ashikhmin, T. L. Marzetta. Pilot Contamination Reduction in Multi-user TDD Systems[C]. in Proc. IEEE International Conference on Communications(ICC’10), CapeTown, South Africa, 2010. 1-5.
[10] Haifan Yin, David Gesbert, Miltiades Filippou, Yingzhuang Liu. A Coordinated Approach to Channel Estimation in Large-scale Multi-antenna System[J]. submitted to IEEE J.Sel Areas Commun., Mar, 2012.