Radio Access Technologies for Fifth Generation Mobile Communications System: Review of Recent Research and Developments in Japan

Hidekazu MURATA  Eiji OKAMOTO  Manabu MIKAMI  Akihiro OKAZAKI  Satoshi SUYAMA  Takamichi INOUE  Jun MASHINO  Tetsuya YAMAMOTO  Makoto TAROMARU  

IEICE TRANSACTIONS on Communications   Vol.E99-B    No.8    pp.1638-1647
Publication Date: 2016/08/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.2015CCI0004
Type of Manuscript: Special Section INVITED PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
fifth generation mobile communication systems,  higher frequency band,  massive MIMO,  C-Plane/U-Plane splitting,  C-RAN,  

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As the demand for higher transmission rates and spectral efficiency is steadily increasing, the research and development of novel mobile communication systems has gained momentum. This paper focuses on providing a comprehensive survey of research and development activities on fifth generation mobile communication systems in Japan. We try to survey a vast area of wireless communication systems and the developments that led to future 5G systems.