This one is about the paper and the code of "Pilot design for large-scale multi-cell multiuser MIMO systems".
Recommended citation: 'A. Hu, T. Lv, H. Gao, et al, "Pilot design for large-scale multi-cell multiuser MIMO systems," in Proc. 2013 IEEE Int. Conf. Commun. (ICC), Budapest, Hungary, pp. 1-5, Jun. 2013.'