Abstract
To meet the ever growing traffic in mobile communication, mmWave (millimeter-Wave) frequency bands have gained considerable attention for having a greater amount of bandwidth available than the current cellular spectrum below 3 GHz. Several test systems have been reported on recently to validate the possibility of mmWave links in mobile scenarios. However, there still exist practical issues to enable the application of mmWave in mobile communication, including reliability and cost. In this article, we present some new designs that address these issues, where system architecture, transceiver architecture, and related issues such as circuits and antenna arrays are considered. Hypercellular architecture is applied in mmWave mobile networks to overcome blockage problems, and a Butler-matrix-based HBF (Hybrid Beamforming) architecture is considered in an mmWave link. Simulations and experimental results are presented to validate the effectiveness of the Butler-matrix-based system.
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This work was supported by The National Basic Research Program of China (No.2012CB316002), The National Natural Science Foundation of China (No.61201192), The National High Technology Research and Development Program of China (863 Program) (No.2014AA01A703), The Science Fund for Creative Research Groups of NSFC (No.61321061), The International Science and Technology Cooperation Program (No.2012DFG12010), The National S&T Major Project (No.2016ZX03001005), The Key Grant Project of Chinese Ministry of Education (No.313005), The Tsinghua University Initiative Scientific Research (No.2015Z02-3), The Open Research Fund of National Mobile Communications Research Laboratory, Southeast University (No.2012D02), The Tsinghua-Qualcomm Joint Research Program, and the Intel Collaborative Research Institute for Mobile Networking and Computing.
LI Jiahui was born in Sichuan, China. He received the B.E. degree in electronic information science and technology from Tsinghua University. He is now a Ph.D. candidate of information and communication engineering. His research interests include channel estimation, beamforming and resource allocation of massive MIMO and mmWave system. (Email: lijiahuil3@mails.tsinghua.edu.cn)
HUANG Fei was born in Anhui, China. He received the B.S. degree in electronic engineering from Tsinghua University, Beijing, China, in 2015, and is currently working toward the M.S. degree in electronic engineering at Tsinghua University. His research interests include millimeter-wave transmitting systems and high-efficiency RF PA design. (Email: huang-fl5@mails.tsinghua.edu.cn)
ZHOU Runyun was born in 1991. He received the B.E. degree in electronic engineering from Tsinghua University, Beijing, China. He is now a M.S. candidate of the Wireless and Mobile Communication Technology R&D Center of Tsinghua University. His research interests include SDR and the network architecture of future wireless communication. (Email: zrybrent@126.com)
CHEN Wenhua received the B.S. degree in microwave engineering from the University of Electronic Science and Technology of China (UESTC), Chengdu, in 2001, and the Ph.D. degree in electronic engineering from Tsinghua University, Beijing, China, in 2006. From 2010 to 2011, he was a Postdoctoral Fellow with the Intelligent RF Radio Laboratory (iRadio Lab), University of Calgary. He is currently an Associate Professor with the Department of Electronic Engineering, Tsinghua University, Beijing, China. His main research interests include power-efficiency enhancement for wireless transmitters, PA predistortion, and smart antennas. He has authored or coauthored over 120 journal and conference papers. His main research interests include RF power amplifier design and linearization digital assisted RF circuit technique, energy-efficient millimeter wave transmitter. Dr. Chen is as an associate editor for the International Journal of Microwave and Wireless Technology. He was the recipient of the 2015 Outstanding Youth Science Foundation of NSFC, the 2014 URSI Young Scientist Award, the Student Paper Award of the 2010 Asia-Pacific Microwave Conference (APMC). (Email: chenwh@tsinghua.edu.cn)
TIAN Zhigang was born in ShanXi, China. He received the B.E. degree and Master degree in electronic engineering from Beijing Jiaotong University, and received Ph.D. degree in electronic engineering from Beijing University of Post and Telecommuication. His research interests include 5G network architecture and 5G MAC algorithm and protocol. (Email: zgtian@tsinghua.edu.cn)
ZHOU Shidong [corresponding author] received BS and MS degree from Southeast University, Nanjing, in 1991 and 1994 respectively, and Received Ph.D. degree from Tsinghua University in 1998. He is now working as a professor with Department of Electronic Engineering, Tsinghua University. He was engaged in several major national projects on 3G and 4G mobile communication technique research and development. His current research interest includes: mobile communication system architectures, advanced transmission technique, wireless channel sounding and modeling, radio resource management, high energy efficient wireless networks. (Email: zhousd@tsinghua.edu.cn)
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Li, J., Huang, F., Zhou, R. et al. mmWave mobile communication under hypercellular architecture. J. Commun. Inf. Netw. 1, 62–76 (2016). https://doi.org/10.1007/BF03391558
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DOI: https://doi.org/10.1007/BF03391558