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Cooperative Distributed Antenna Transmission for 5G Mobile Communications Network
Fumiyuki ADACHI Amnart BOONKAJAY Yuta SEKI Tomoyuki SAITO Shinya KUMAGAI Hiroyuki MIYAZAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2017/08/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
5G mobile communications network, distributed antenna network, cooperative signal transmission, space-time block coding, multi-user communication, signal peak suppression,
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In this paper, the recent advances in cooperative distributed antenna transmission (CDAT) are introduced for spatial diversity and multi-user spatial multiplexing in 5G mobile communications network. CDAT is an advanced version of the coordinated multi-point (CoMP) transmission. Space-time block coded transmit diversity (STBC-TD) for spatial diversity and minimum mean square error filtering combined with singular value decomposition (MMSE-SVD) for multi-user spatial multiplexing are described under the presence of co-channel interference from adjacent macro-cells. Blind selected mapping (blind SLM) which requires no side information transmission is introduced in order to suppress the increased peak-to-average signal power ratio (PAPR) of the transmit signals when CDAT is applied. Some computer simulation results are presented to confirm the effectiveness of CDAT techniques.