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IEICE TRANSACTIONS on Communications

Open Access
A Survey on Research Activities for Deploying Cell Free Massive MIMO towards Beyond 5G

Issei KANNO, Kosuke YAMAZAKI, Yoji KISHI, Satoshi KONISHI

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Summary :

5G service has been launched in various countries, and research for the beyond 5G is already underway actively around the world. In beyond 5G, it is expected to expand the various capabilities of communication technologies to cover further wide use cases from 5G. As a candidate elemental technology, cell free massive MIMO has been widely researched and shown its potential to enhance the capabilities from various aspects. However, for deploying this technology in reality, there are still many technical issues such as a cost of distributing antenna and installing fronthaul, and also the scalability aspects. This paper surveys research trends of cell free massive MIMO, especially focusing on the deployment challenges with an introduction to our specific related research activities including some numerical examples.

Publication
IEICE TRANSACTIONS on Communications Vol.E105-B No.10 pp.1107-1116
Publication Date
2022/10/01
Publicized
2022/04/28
Online ISSN
1745-1345
DOI
10.1587/transcom.2021MEI0001
Type of Manuscript
Special Section INVITED PAPER (Special Section on Multidisciplinary and Innovative Key technologies in Advanced communication systems (MIKA))
Category

Authors

Issei KANNO
  KDDI Research Inc.
Kosuke YAMAZAKI
  KDDI Research Inc.
Yoji KISHI
  KDDI Research Inc.
Satoshi KONISHI
  KDDI Research Inc.

Keyword