Atsushi HARADA

Indoor and Field Experiments on 5G Radio Access for 28-GHz Band Using Distributed MIMO and Beamforming
Daisuke KURITA Kiichi TATEISHI Daisuke KITAYAMA Atsushi HARADA Yoshihisa KISHIYAMA Hideshi MURAI Shoji ITOH Arne SIMONSSON Peter ÖKVIST 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1427-1436
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5G, higher frequency bands, distributed MIMO, massive-MIMO, beamforming, field experiments, 
 Summary | Full Text:PDF
High Speed Mobility Experiments on Distributed MIMO Beamforming for 5G Radio Access in 28-GHz Band
Daisuke KITAYAMA Kiichi TATEISHI Daisuke KURITA Atsushi HARADA Minoru INOMATA Tetsuro IMAI Yoshihisa KISHIYAMA Hideshi MURAI Shoji ITOH Arne SIMONSSON Peter ÖKVIST 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1418-1426
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5G, higher frequency bands, distributed MIMO, massive-MIMO, beamforming, field experiments, high-speed mobility, 
 Summary | Full Text:PDF
Indoor and Outdoor Experiments of Downlink Transmission at 15-GHz Band for 5G Radio Access
Kiichi TATEISHI Daisuke KURITA Atsushi HARADA Yoshihisa KISHIYAMA Takehiro NAKAMURA Stefan PARKVALL Erik DAHLMAN Johan FURUSKOG 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1238-1246
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Antennas and Propagation
Keyword: 
5G, high-SHF band, carrier aggregation, TDD, single-user MIMO, experiments, 
 Summary | Full Text:PDF
Field Experiments on Downlink Distributed MIMO at 15-GHz Band for 5G Radio Access
Daisuke KURITA Kiichi TATEISHI Atsushi HARADA Yoshihisa KISHIYAMA Takehiro NAKAMURA Stefan PARKVALL Erik DAHLMAN Johan FURUSKOG 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1247-1255
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
5G, higher frequency bands, multi-point transmission, joint transmission, field experiments, 
 Summary | Full Text:PDF
A Novel Low Computational Complexity Power Assignment Method for Non-orthogonal Multiple Access Systems
Anxin LI Atsushi HARADA Hidetoshi KAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 57-68
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: Resource Allocation
Keyword: 
non-orthogonal multiple access, power assignment, low computational complexity, tree search, beyond LTE system, 
 Summary | Full Text:PDF
Adaptive Radio Parameter Control Considering QoS for Forward Link OFCDM Wireless Access
Atsushi HARADA Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 314-324
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
broadband packet wireless access, forward link, QoS control, HARQ, adaptive modulation and channel coding, 
 Summary | Full Text:PDF
Experiments on Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link
Atsushi HARADA Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1612-1623
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
adaptive antenna array, DS-CDMA, mobile radio, 
 Summary | Full Text:PDF
Combined Effect of Coherent Adaptive Antenna Array Diversity and SINR-Based Fast Transmit Power Control in W-CDMA Reverse Link
Shinya TANAKA Atsushi HARADA Taisuke IHARA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 425-434
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
mobile communication, W-CDMA, adaptive antenna array, fast transmit power control, 
 Summary | Full Text:PDF
Experimental Evaluations on Array Antenna Configuration of Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Taisuke IHARA Shinya TANAKA Atsushi HARADA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2120-2128
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communication, DS-CDMA, adaptive antenna array, interference suppressing, 
 Summary | Full Text:PDF