Publication: IEICE TRANSACTIONS on Communications Publication Date: 2019/08/01 Vol. E102-BNo. 8pp. 1390-1400 Type of Manuscript: Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond) Category: Keyword: 5G, cell densification, distributed antenna system, coordinated multi-user MIMO, field experiment,