1. You Xiaohu, Pan Zhiwen, and Gao Xiqi, "The 5G mobile communication: the development trends and its emerging key techniques, " Science China: Information Science.Beijing, vol.55,pp. 551--563, May 2014.
2. METIS, "Mobile and wireless communication enablers for the 2020 information society, " In: EU 7th Framework Programme Project, https://www.metis2020.com.
3. Wen T, and Zhu P Y., "5G: A technology vision, " Huawei. http://www.huawei.com/en/abouthuawei/publications/winwin-magazine/hw-329304.htm., 2013.
4. Yong, Su Khiong, and C. C. Chong, "An Overview Of Multigigabit Wireless Through Millimeter Wave Technology," EURASIP Journal on Wireless Communications and Networking. New York, vol. 2007, pp. 1--10, January 2007.
5. Gao Bo, Xiao Zhenyu, and Zhang Changming, "Double-link beam tracking against human blockage and device mobility for 60-GHz WLAN," IEEE Wireless Communications and Networking Conference. Istanbul, pp. 323--328, April 2014.