1. Adegbite, S., Stewart, B., McMeekin, S.: Least squares interpolation methods for LTE system channel estimation over extended ITU channels. Int. J. Inf. Electron. Eng. 3(4), 414 (2013)
2. Andrews, J.G., et al.: What will 5G be? IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014)
3. Coleri, S., Ergen, M., Puri, A., Bahai, A.: Channel estimation techniques based on pilot arrangement in OFDM systems. IEEE Trans. Broadcast. 48(3), 223–229 (2002)
4. Colieri, S., Ergen, M., Puri, A., Bahai, A.: A study of channel estimation in OFDM systems. In: Proceedings IEEE 56th Vehicular Technology Conference, vol. 2, pp. 894–898. IEEE (2002)
5. Fu, A., Modiano, E., Tsitsiklis, J.: Optimal energy allocation for delay-constrained data transmission over a time-varying channel. In: IEEE INFOCOM 2003. Twenty-Second Annual Joint Conference of the IEEE Computer and Communications Societies (IEEE Cat. No. 03Ch37428), vol. 2, pp. 1095–1105. IEEE (2003)