IEICE Trans

Kenta UMEBAYASHI

Theoretical Analyses of Maximum Cyclic Autocorrelation Selection Based Spectrum Sensing Shusuke NARIEDA Daiki CHO Hiromichi OGASAWARA Kenta UMEBAYASHI Takeo FUJII Hiroshi NARUSE
Publication: Publication Date: 2020/12/01 Vol. E103-B No. 12 pp. 1462-1469 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: cognitive radio, maximum cyclic autocorrelation selection based spectrum sensing, signal cyclostationary,
	Summary \| Full Text:PDF(2.4MB)

Welch FFT Segment Size Selection Method for FFT Based Wide Band Spectrum Measurement Hiroki IWATA Kenta UMEBAYASHI Janne J. LEHTOMÄKI Shusuke NARIEDA
Publication: Publication Date: 2018/07/01 Vol. E101-B No. 7 pp. 1733-1743 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: cognitive radio, duty cycle, dynamic spectrum access, spectrum measurement, Welch FFT,
	Summary \| Full Text:PDF(1.7MB)

Smart Spectrum for Future Wireless World Takeo FUJII Kenta UMEBAYASHI
Publication: Publication Date: 2017/09/01 Vol. E100-B No. 9 pp. 1661-1673 Type of Manuscript: INVITED PAPER (Special Issue the Past, Present, and Future of Communications Technologies in the IEICE) Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: smart spectrum, spectrum measurement, spectrum usage modeling, spectrum database, spectrum management,
	Summary \| Full Text:PDF(3.1MB)

Welch FFT Segment Size Selection Method for Spectrum Awareness System Hiroki IWATA Kenta UMEBAYASHI Samuli TIIRO Janne J. LEHTOMÄKI Miguel LÓPEZ-BENÍTEZ Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/08/01 Vol. E99-B No. 8 pp. 1813-1823 Type of Manuscript: PAPER Category: Fundamental Theories for Communications Keyword: cognitive radio, duty cycle, dynamic spectrum access, spectrum measurement, Welch FFT,
	Summary \| Full Text:PDF(1.9MB)

Simple Primary User Signal Area Estimation for Spectrum Measurement Kenta UMEBAYASHI Kazuki MORIWAKI Riki MIZUCHI Hiroki IWATA Samuli TIIRO Janne J. LEHTOMÄKI Miguel LÓPEZ-BENÍTEZ Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/02/01 Vol. E99-B No. 2 pp. 523-532 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: dynamic spectrum access, smart spectrum access, spectrum measurement, cognitive radio, signal detection, signal area estimation,
	Summary \| Full Text:PDF(2.7MB)

Detection Method of Same Spreading Code Signals by Multimodulus Algorithm Kenta UMEBAYASHI Genichiro MURATA Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/04/01 Vol. E97-B No. 4 pp. 807-816 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: CDMA, RAKE combiner, multiple user interference, multimodulus algorithm,
	Summary \| Full Text:PDF(2.2MB)

Spectrum Sharing in MIMO Cognitive Radio Systems with Imperfect Channel State Information Samuli TIIRO Kenta UMEBAYASHI Janne LEHTOMÄKI Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/04/01 Vol. E97-B No. 4 pp. 867-874 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: cognitive radio, imperfect channel state information, interference cancellation, MIMO, spectrum sharing,
	Summary \| Full Text:PDF(1.1MB)

Detection of the Number of Signals with Fewer Sensors than Sources Masashi TSUJI Kenta UMEBAYASHI Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/09/01 Vol. E96-B No. 9 pp. 2235-2243 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: detection of the number of signals, nested arrays, degrees of freedom, DOA estimation, array signal processing,
	Summary \| Full Text:PDF(1.4MB)

Analysis of Cognitive Radio Networks with Imperfect Sensing Isameldin Mohammed SULIMAN Janne J. LEHTOMÄKI Kenta UMEBAYASHI Marcos KATZ
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1605-1615 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: cognitive radios, performance analysis, continuous time Markov chain, state dependent transition rates, imperfect sensing, multi-channel support,
	Summary \| Full Text:PDF(1.9MB)

Analysis of Optimal Weighted Cooperative Spectrum Sensing with Multiple Antenna Elements Kenta UMEBAYASHI Hironori TSUCHIYA Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/10/01 Vol. E95-B No. 10 pp. 3261-3269 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: cognitive radio, cooperative spectrum sensing, Neyman-Pearson theorem, multiple antenna elements,
	Summary \| Full Text:PDF(1.4MB)

Energy Detection Based Estimation of Channel Occupancy Rate with Adaptive Noise Estimation Janne J. LEHTOMAKI Risto VUOHTONIEMI Kenta UMEBAYASHI Juha-Pekka MAKELA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/04/01 Vol. E95-B No. 4 pp. 1076-1084 Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011) Category: Keyword: occupancy measurements, cognitive radio, wireless LAN,
	Summary \| Full Text:PDF(1MB)

A New Blind Beamforming and Hop-Timing Detection for FH Communications Abdul Malik NAZARI Yukihiro KAMIYA Ko SHOJIMA Kenta UMEBAYASHI Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/05/01 Vol. E94-B No. 5 pp. 1234-1242 Type of Manuscript: Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies) Category: Adaptive Array Antennas Keyword: array signal processing, constant modulus algorithm, fading channel, frequency hopping communications, hop-timing,
	Summary \| Full Text:PDF(898.4KB)

Two-Dimensional Signal Localization Algorithm for Spectrum Sensing Johanna VARTIAINEN Janne LEHTOMAKI Harri SAARNISAARI Markku Juntti Kenta UMEBAYASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/11/01 Vol. E93-B No. 11 pp. 3129-3136 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: narrowband signals, signal sensing,
	Summary \| Full Text:PDF(652.4KB)

Accurate Estimation of the Number of Weak Coherent Signals Masashi TSUJI Kenta UMEBAYASHI Yukihiro KAMIYA Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/10/01 Vol. E93-B No. 10 pp. 2715-2724 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: source number estimation, array signal processing, DOA estimation, coherent signals, eigendecomposition, QR decomposition,
	Summary \| Full Text:PDF(1.3MB)

Teletraffic Analysis of Direct Communication with Clustering Janne LEHTOMAKI Isameldin SULIMAN Kenta UMEBAYASHI Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/05/01 Vol. E92-A No. 5 pp. 1356-1362 Type of Manuscript: PAPER Category: Communication Theory and Signals Keyword: clustering, direct communication, two dimensional,
	Summary \| Full Text:PDF(436.7KB)

A New Blind Adaptive Array Antenna Based on CMA Criteria for M-Ary/SS Signals Suitable for Software Defined Radio Architecture Miho KOZUMA Atsushi SASAKI Yukihiro KAMIYA Takeo FUJII Kenta UMEBAYASHI Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/08/01 Vol. E91-A No. 8 pp. 1982-1989 Type of Manuscript: Special Section PAPER (Special Section on Signal Processing) Category: Keyword: blind signal processing, M-ary/SS, adaptive array antenna,
	Summary \| Full Text:PDF(796.9KB)

Dialogue-Based Broadcasting Protocol for Wireless Ad Hoc Networks Keigo HASEGAWA Takeo FUJII Kenta UMEBAYASHI Yukihiro KAMIYA Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/07/01 Vol. E91-A No. 7 pp. 1642-1651 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: ad hoc network, broadcasting, broadcast storm problem, multi-hop network,
	Summary \| Full Text:PDF(790.5KB)

Study on Soft Decision Based Cooperative Sensing for Cognitive Radio Networks Hiromasa UCHIYAMA Kenta UMEBAYASHI Takeo FUJII Fumie ONO Kei SAKAGUCHI Yukihiro KAMIYA Yasuo SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/01/01 Vol. E91-B No. 1 pp. 95-101 Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology) Category: Spectrum Sensing Keyword: cognitive radio, cooperative sensing, energy detection, cognitive MIMO mesh network,
	Summary \| Full Text:PDF(392.8KB)

Method of Non-Data-Aided Carrier Recovery with Modulation Identification Kenta UMEBAYASHI Robert H. MORELOS-ZARAGOZA Ryuji KOHNO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/03/01 Vol. E87-A No. 3 pp. 656-665 Type of Manuscript: Special Section PAPER (Special Section on Applications and Implementations of Digital Signal Processing) Category: Communication Theory and Systems Keyword: software defined radio, carrier recovery, digital PLL, modulation identification,
	Summary \| Full Text:PDF(1.1MB)

Secure Download System Based on Software Defined Radio Composed of FPGAs Hironori UCHIKAWA Kenta UMEBAYASHI Ryuji KOHNO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/12/01 Vol. E85-B No. 12 pp. 2601-2609 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications) Category: Keyword: download, security, field programmable gate array (FPGA), software defined radio (SDR),
	Summary \| Full Text:PDF(717.5KB)