supported by the Fundamental Research Funds for the Central Universities(No.2012JBM023);the State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University(No.RCS2011K003);the 973 program(No.2013CB329204);the National Natural Science Foundation of China(No.61101087);the Specialized Research Fund for the Doctoral Program of Higher Education(No.20110092120011,No.20120009120004)
This paper considers a multi-antenna transmission strategy for high speed railway communications. In order to achieve better performance than conventional space-frequency block coding schemes, we propose a directional...