Multi-antenna transmission schemes in high speed railway communication

With the rapid development of wireless communication technology, the communication in high speed railway (HSR) is confronted with the trend of Long Term Evolution for Rail (LTE-R), which will unprecedentedly improve the transmission rate and data reliability. In this paper, we present three different multi-antenna schemes for HSR, including conventional MIMO, spatial modulation and massive MIMO. The merits and drawbacks of these schemes are discussed. After that we make simulations about space-time coding, V-BlAST, and spatial modulation. Numerical results indicate that spatial modulation has great potential in HSR communication and that extra receive antennas can bring additional gains.