Faculty Members

Professor
HAMAMURA, Masanori

Gender: Male
Affiliation:

- School of Informatics
- Information Systems Engineering Course, Department of Engineering, Graduate School of Enginering
- Infomatics Course, Department of Engineering, Graduate School of Enginering
Article from the "Cutting-edge Research and Social Contribution"：
https://www.kochi-tech.ac.jp/english/power/research/revelation_freely-controlled_and_highly_efficient_next-generation_signals.html

Areas of specialization	Signal design Communications systems
Laboratory/research office	Wireless Communications & Networking Laboratory Our research is aimed at the creation of various new communication systems originating from innovative concepts that open a new vista towards future generation wireless communications. Signals used in such systems must be chosen for the optimal transmission of given message data or packets, and protocol must be defined so that messages are efficiently exchanged through an array of wireless links provided by best network architecture. Decentralized wireless networks, in which no control station or base station exists, are considered to be the main target of such network topology.
Current research topics
Educational background
Professional background
Licenses
Academic societies	IEICE IEEE

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Courses

* Courses provided in English are shown with (E) mark

Undergraduate school	Seminars on the School of Information Project Research 1 Graduation Thesis Project Research 2 Project Research 3 Fundamentals of Signal Theory Wireless Access Network Fundamentals of Communication Systems
Graduate school	Individual Work for Graduate Advanced Seminar 1 Advanced Seminar 2 Seminar on Infomatics I Seminar on Infomatics II Digital Communications and Signal Processing

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Research activities

Research papers	Authors: Saifur Rahman Sabuj, A M Musa Shakib Khan, Masanori Hamamura Title: Application of non-orthogonal multiple access for machine type communication in sub-terahertz band Journal: Computer Networks, Vol. 182, No. 1, pp. 1-13, Elsevier Year: 2020 Authors: Saifur Rahman Sabuj, Tabassum E Nur, Masanori Hamamura Title: An energy-efficient model of random cognitive radio network: Rayleigh-lognormal environment Journal: Wireless Personal Communications, Vol. 114, No. 1, pp. 1963-1981, Springer Year: 2020 Authors: Kittipong Warasup, Masanori Hamamura, Suwat Pattaramalai Title: Performance analysis for asynchronous requests in wireless networks with multiple packet reception capability Journal: Wireless Personal Communications, Vol. 115, No. 1, pp. 2671-2693, Springer Year: 2020 Authors: Saifur Rahman Sabuj, Masanori Hamamura Title: Two-slope path-loss design of energy harvesting in random cognitive radio networks Journal: Computer Networks, Vol. 142, pp. 128-141, Elsevier Year: 2018 Authors: S.R. Sabuj, M. Hamamura Title: Uplink modeling of cognitive radio network using stochastic geometry Journal: Performance Evaluation, Vol. 117, pp. 1-15, Elsevier Year: 2017 Authors: S.R. Sabuj, M. Hamamura Title: Outage and energy-efficiency analysis of cognitive radio networks: A stochastic approach to transmit antenna selection Journal: Pervasive and Mobile Computing, Vol. 42, pp. 444-469, Elsevier Year: 2017 Authors: S. Fukui, M. Hamamura Title: Approximately-zero correlation zone sequence set Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E99-A, No. 1, pp. 159-166 Year: 2016 Authors: Y. Li, M. Hamamura Title: Zero-attracting variable-step-size least mean square algorithms for adaptive sparse channel estimation Journal: International Journal of Adaptive Control and Signal Processing, Vol. 29, No. 9, pp. 1189-1206, John Wiley & Sons Year: 2015 Authors: R. Hayashi, Y. Li, M. Hamamura Title: Two-stage decoding algorithm for unmodulated parallel-combinatory high-compaction multicarrier modulation signals Journal: EURASIP Journal on Wireless Communications and Networking, Springer Year: 2013 Authors: R. Hayashi, M. Hamamura Title: Continuous-phase, unmodulated parallel-combinatory high-compaction multicarrier modulation Journal: IEICE Transactions on Communications, Vol. E94-B, No. 3, pp. 802-805 Year: 2011 Authors: Y. Hayashi, M. Hamamura Title: Heuristic approach to construct three-dimensional codes for feedback-based MIMO-CDMA Journal: International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2011) Year: 2011 Authors: K. Chiba, M. Hamamura Title: Iterative algorithm for reducing the peak-to-average power ratio of feedback-controlled multitone-hopping CDMA signals Journal: IEICE Transactions on Communications, Vol. 93-B, No. 11, pp. 3072-3082 Year: 2010 Authors: M. Mohri, M. Hamamura Title: ISI-free power roll-off pulse Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E92-A, No. 10, pp. 2495-2497 Year: 2009 Authors: T. Miyatake, K. Chiba, M. Hamamura, S. Tachikawa Title: Asynchronous, decentralized DS-CDMA using feedback-controlled spreading sequences for time-dispersive channels Journal: IEICE Transactions on Communications, Vol. E91-B, No. 1, pp. 53-61 Year: 2008 Authors: M. Hamamura, J. Hyuga Title: Spectral efficiency of orthogonal set of truncated MC-CDMA signals using discrete prolate spheroidal sequences Journal: Wireless Communications and Networking Conference (WCNC 2008), pp. 980-984 Year: 2008 Authors: K. Chiba, M. Hamamura Title: Multitone-hopping CDMA using feedback-controlled hopping pattern for decentralized multiple access Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E91-A, No. 12, pp. 3723-3730 Year: 2008 Authors: Y. Hou , M. Hamamura Title: A novel modulation with parallel combinatory and high compaction multi-carrier modulation Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E90-A, No. 11, pp. 2556-2567 Year: 2007 Authors: Y. Hou , M. Hamamura Title: Collision recovery for OFDM system over wireless channel Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E90-A, No. 7, pp. 1312-1322 Year: 2007
Keynote lectures	Future generation waveform design for wireless communications, IEEE International Conference on Electronic Information and Communication Technology (IEEE ICEICT 2019), Harbin, China, 2019

Research papers

Authors: Saifur Rahman Sabuj, A M Musa Shakib Khan, Masanori Hamamura
Title: Application of non-orthogonal multiple access for machine type communication in sub-terahertz band
Journal: Computer Networks, Vol. 182, No. 1, pp. 1-13, Elsevier
Year: 2020
Authors: Saifur Rahman Sabuj, Tabassum E Nur, Masanori Hamamura
Title: An energy-efficient model of random cognitive radio network: Rayleigh-lognormal environment
Journal: Wireless Personal Communications, Vol. 114, No. 1, pp. 1963-1981, Springer
Year: 2020
Authors: Kittipong Warasup, Masanori Hamamura, Suwat Pattaramalai
Title: Performance analysis for asynchronous requests in wireless networks with multiple packet reception capability
Journal: Wireless Personal Communications, Vol. 115, No. 1, pp. 2671-2693, Springer
Year: 2020
Authors: Saifur Rahman Sabuj, Masanori Hamamura
Title: Two-slope path-loss design of energy harvesting in random cognitive radio networks
Journal: Computer Networks, Vol. 142, pp. 128-141, Elsevier
Year: 2018
Authors: S.R. Sabuj, M. Hamamura
Title: Uplink modeling of cognitive radio network using stochastic geometry
Journal: Performance Evaluation, Vol. 117, pp. 1-15, Elsevier
Year: 2017
Authors: S.R. Sabuj, M. Hamamura
Title: Outage and energy-efficiency analysis of cognitive radio networks: A stochastic approach to transmit antenna selection
Journal: Pervasive and Mobile Computing, Vol. 42, pp. 444-469, Elsevier
Year: 2017
Authors: S. Fukui, M. Hamamura
Title: Approximately-zero correlation zone sequence set
Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E99-A, No. 1, pp. 159-166
Year: 2016
Authors: Y. Li, M. Hamamura
Title: Zero-attracting variable-step-size least mean square algorithms for adaptive sparse channel estimation
Journal: International Journal of Adaptive Control and Signal Processing, Vol. 29, No. 9, pp. 1189-1206, John Wiley & Sons
Year: 2015
Authors: R. Hayashi, Y. Li, M. Hamamura
Title: Two-stage decoding algorithm for unmodulated parallel-combinatory high-compaction multicarrier modulation signals
Journal: EURASIP Journal on Wireless Communications and Networking, Springer
Year: 2013
Authors: R. Hayashi, M. Hamamura
Title: Continuous-phase, unmodulated parallel-combinatory high-compaction multicarrier modulation
Journal: IEICE Transactions on Communications, Vol. E94-B, No. 3, pp. 802-805
Year: 2011
Authors: Y. Hayashi, M. Hamamura
Title: Heuristic approach to construct three-dimensional codes for feedback-based MIMO-CDMA
Journal: International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2011)
Year: 2011
Authors: K. Chiba, M. Hamamura
Title: Iterative algorithm for reducing the peak-to-average power ratio of feedback-controlled multitone-hopping CDMA signals
Journal: IEICE Transactions on Communications, Vol. 93-B, No. 11, pp. 3072-3082
Year: 2010
Authors: M. Mohri, M. Hamamura
Title: ISI-free power roll-off pulse
Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E92-A, No. 10, pp. 2495-2497
Year: 2009
Authors: T. Miyatake, K. Chiba, M. Hamamura, S. Tachikawa
Title: Asynchronous, decentralized DS-CDMA using feedback-controlled spreading sequences for time-dispersive channels
Journal: IEICE Transactions on Communications, Vol. E91-B, No. 1, pp. 53-61
Year: 2008
Authors: M. Hamamura, J. Hyuga
Title: Spectral efficiency of orthogonal set of truncated MC-CDMA signals using discrete prolate spheroidal sequences
Journal: Wireless Communications and Networking Conference (WCNC 2008), pp. 980-984
Year: 2008
Authors: K. Chiba, M. Hamamura
Title: Multitone-hopping CDMA using feedback-controlled hopping pattern for decentralized multiple access
Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E91-A, No. 12, pp. 3723-3730
Year: 2008
Authors: Y. Hou , M. Hamamura
Title: A novel modulation with parallel combinatory and high compaction multi-carrier modulation
Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E90-A, No. 11, pp. 2556-2567
Year: 2007
Authors: Y. Hou , M. Hamamura
Title: Collision recovery for OFDM system over wireless channel
Journal: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E90-A, No. 7, pp. 1312-1322
Year: 2007

Keynote lectures

Future generation waveform design for wireless communications, IEEE International Conference on Electronic Information and Communication Technology (IEEE ICEICT 2019), Harbin, China, 2019

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Social activities

Committee roles	Chair of IEICE Technical Committee on Wideband System, IEICE, 2020-2022 Shikoku Section Chair, IEEE, 2017-2018 Vice Chair of IEICE Technical Committee on Wideband System, IEICE, 2016-2018 Shikoku Section Vice Chair, IEEE, 2015-2016 Track Co-Chair, IEEE International Symposium on Communications and Information Technologies (ISCIT 2015), 2015 Associate Editor, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, IEICE, 2009-2013 Technical Program Committee Member, IEEE Wireless Communications and Networking Conference (WCNC 2011), 2010-2011 Technical Program Committee Member, IEEE International Conference on Communications (ICC 2009) , 2008-2009 Guest Associate Editor, Special Section on Wideband Systems, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2007- Committee Member, IEICE Technical Committee on Wideband System, 2007-

Committee roles

Chair of IEICE Technical Committee on Wideband System, IEICE, 2020-2022
Shikoku Section Chair, IEEE, 2017-2018
Vice Chair of IEICE Technical Committee on Wideband System, IEICE, 2016-2018
Shikoku Section Vice Chair, IEEE, 2015-2016
Track Co-Chair, IEEE International Symposium on Communications and Information Technologies (ISCIT 2015), 2015
Associate Editor, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, IEICE, 2009-2013
Technical Program Committee Member, IEEE Wireless Communications and Networking Conference (WCNC 2011), 2010-2011
Technical Program Committee Member, IEEE International Conference on Communications (ICC 2009) , 2008-2009
Guest Associate Editor, Special Section on Wideband Systems, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2007-
Committee Member, IEICE Technical Committee on Wideband System, 2007-

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