Papers - OKAMOTO Eiji
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Performance analysis of LEO-GEO multi-satellite MIMO transmission method Invited
IEICE Tech. Rep. 121 ( 152 ) SAT2021-36, 43 - 48 2021.08
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210827fCF1/
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Wired Transmission Experiments of Chaos Coded Modulation Method Using Software-Defined Radio
IEICE Tech. Rep. 121 ( 103 ) RCS2021-88, 55-33, 25 - 60 2021.07
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210715hCeP/
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Overview of nonlinear signal processing in 5G and 6G access technologies Invited Reviewed
E.Okamoto
Nonlinear Theory and Its Applications, IEICE E12-N ( 3 ) 257 - 274 2021.07
Language：English Publishing type：Research paper (scientific journal)
DOI： 10.1587/nolta.12.257
Other Link： https://www.jstage.jst.go.jp/article/nolta/12/3/12_257/_article
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A Study on Secret Key Sharing Using Time-Division Duplex Channel Information in Radio-Wave Encrypted Modulation
IEICE Tech. Rep. 121 ( 72 ) RCS2021-35, 37 - 42 2021.06
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210623qCER/
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A Study on Performance Improvement of Polar Coded-Radio Wave Encrypted Modulation by CRC Code Concatenation
IEICE Tech. Rep. 121 ( 72 ) RCS2021-34, 31 - 36 2021.06
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210623KCER/
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A Study on Throughput Improvement of Adaptive Modulation and Coding based HARQ in 5G URLLC
IEICE Tech. Rep. 121 ( 72 ) RCS2021-33, 25 - 30 2021.06
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/202106235CER/
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A Study on Multi-rate Polar Coding Scheme Using Hybrid Pilot and Frozen Bits in Satellite Laser Communications
IEICE Tech. Rep. 121 ( 26 ) SAT2021-16, 83 - 88 2021.05
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210521bC3p/
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Evaluation of the forward error correction format for LEO-Ground optical communication by use of Reed-Solomon product code Reviewed International journal
H. Yamazoe, S. Ohta, H. Komatsu, K. Suzuki, E. Okamoto, K. Iwamoto
Proc. SPIE International Conference on Free-Space Laser Communications XXXIII 11678 1 - 10 2021.04
Language：English Publishing type：Research paper (international conference proceedings)
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A Study of Highly Accurate V2I Beam Tracking Scheme Using Vehicle Logs
IEICE Tech. Rep. 121 ( 7 ) RCS2021-11, 48 - 53 2021.04
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210423pC3d/
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Performance analysis of polar-code transmission experiments over 7.8-km terrestrial free-space optical link using channel equalization Reviewed International journal
S. Fujita, E. Okamoto, H. Takenaka, H. Kunimori, H. Endo, M. Fujiwara, M. Kitamura, R. Shimizu, M. Sasaki, M. Toyoshima
Proc. Int’l Conf. on Space Optics (ICSO2020) 1 - 9 2021.03
Language：English Publishing type：Research paper (international conference proceedings)
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Study on application of polar codes to information reconciliation in free-space quantum key distribution Reviewed International journal
Y. Yamashita, H. Endo, S. Fujita, E. Okamoto, H. Takenaka, M. Toyoshima
Proc. Int’l Conf. on Space Optics (ICSO2020) 1 - 9 2021.03
Language：English Publishing type：Research paper (international conference proceedings)
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Study on LEO-GEO multi-satellite MIMO transmission method considering propagation delay difference
IEICE Tech. Rep. 120 ( 372 ) SAT2020-34, 29 - 34 2021.02
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/202102195Ccf/
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Study on performance analysis of early HARQ retransmission control in high-mobility environments
IEICE Tech. Rep. 120 ( 322 ) RCS2020-162, 46-163, 52 - 51 2021.01
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210121QC1P/
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Improvement of Encoding Gain in Radio-Wave Encrypted Modulation Using Logistic Map
IEICE Tech. Rep. 120 ( 322 ) RCS2020-163, 52 - 57 2021.01
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/20210121uCbv/
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Study on UWB indoor localization method using machine learning-based accurate NLOS detection
IEICE Tech. Rep. 120 ( 315 ) SeMI2020-50, 39 - 44 2021.01
Language：Japanese Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.ieice.org/ken/paper/202101213Cbx/
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Chaos-Based Interleave Division Multiple Access Scheme with Physical Layer Security Reviewed International journal
M. Okumura, E. Okamoto, T. Kaga, T. Yamamoto
Proc. IEEE Consumer Communications and Networking Conference (CCNC2021) 1 - 2 2021.01
Language：English Publishing type：Research paper (international conference proceedings)
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Performance Analysis of Early HARQ Retransmission Scheme in Highway Environments Reviewed International journal
Y. Shiomitsu, E. Okamoto, M. Mikami, H. Yoshino
Proc. IEEE Vehicular Networking Conference (VNC2020) 1 - 2 2020.12
Language：English Publishing type：Research paper (international conference proceedings)
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Adaptive MIMO mode switching scheme for flexible 5G URLLC transmission Reviewed
Y. Shiomitsu, E. Okamoto, M. Mikami, H. Yoshino
Proc. IEICE 2020 International Conference on Emerging Technologies for Communications (ICETC2020) 1 - 4 2020.12
Language：English Publishing type：Research paper (international conference proceedings)
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Application of Radio-Wave Encryption to Interleave-Division Multiple-Access Scheme Reviewed
M. Okumura, E. Okamoto, Y. Masuda, T. Kaga, T. Yamamoto
Proc. International Symposium on Nonlinear Theory and its Applications (NOLTA 2020) 530 - 533 2020.11
Language：English Publishing type：Research paper (international conference proceedings)
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Early HARQ Retransmission Control based on Channel State Information in 5G URLLC Reviewed
Y. Shiomitsu, E. Okamoto, M. Mikami, H. Yoshino
Proc. International Symposium on Nonlinear Theory and its Applications (NOLTA 2020) 534 - 537 2020.11
Language：English Publishing type：Research paper (international conference proceedings)
