1. 3GPP. NR; Physical channels and modulation (Release 15). v15.1.0, TS 38.211, 2018. http://www.3gpp.org/ftp//Specs/archive/38_series/38.211
2. Hou X, Zhang Z, Kayama H. DMRS design and channel estimation for LTE-advanced MIMO uplink. In: Proceedings of IEEE 70th Vehicular Technology Conference Fall, 2009
3. Zhang J, Huang L. An improved DFT-based channel estimation algorithm for MIMO-OFDM systems. In: Proceedings of International Conference on Consumer Electronics, Communications and Networks (CECNet), 2011. 3929–3932
4. Li Y, Cimini L J, Sollenberger N R. Robust channel estimation for OFDM systems with rapid dispersive fading channels. IEEE Trans Commun, 1998, 46: 902–915
5. Kong D J, Xia X-G, Jiang T. An Alamouti coded CPFBMC-MIMO system with two transmit antennas. Sci China Inf Sci, 2015, 58: 102306