Kiyohiko ITOH


Leaf-Shaped Element Bowtie Antenna with Flat Reflector for UWB Applications
Michitaka AMEYA Manabu YAMAMOTO Toshio NOJIMA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2230-2238
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
UWBbowtie-antennaunidirectional radiationwaveform distortioncross-correlation
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Image NRD Guide-Fed Dielectric Rod Antenna for Millimeter-Wave Applications
Ally Yahaya SIMBA Manabu YAMAMOTO Toshio NOJIMA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Vol. E87-C  No. 9  pp. 1405-1411
Type of Manuscript:  Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: Antennas, Circuits and Receivers
Keyword: 
dielectric rod antennaimage NRD guidemillimeter-wavetransitionFDTD
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A Study on Performance Degradation of Satellite Broadcasting Receiving Antenna Systems due to Weather Conditions
Chen HU Yasutaka OGAWA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/09/25
Vol. E82-B  No. 9  pp. 1547-1551
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
satellite broadcasting receiverantenna gainnoise temperatureG/T
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FDTD Analysis of Mutual Coupling of Cavity-Backed Slot Antenna Array
Takashi HIKAGE Manabu OMIYA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1838-1844
Type of Manuscript:  Special Section PAPER (Special Issue on Computational Electromagnetics)
Category: 
Keyword: 
time domain analysisFDTD techniquesolar power satellitepower transmission antennaarray antennamutual coupling
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High-Resolution Analysis of Indoor Multipath Propagation Structure
Yasutaka OGAWA Norihiro HAMAGUCHI Kohzoh OHSHIMA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/11/25
Vol. E78-B  No. 11  pp. 1450-1457
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Signal Processing Technology in Antennas)
Category: 
Keyword: 
multipath propagationFourier transformsuperresolution techniquesMUSIC algorithm
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Analysis of High-Tc Superconducting Microstrip Antenna Using Modified Spectral Domain Moment Method
Nozomu ISHII Toru FUKASAWA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/08/25
Vol. E77-C  No. 8  pp. 1242-1248
Type of Manuscript:  Special Section PAPER (Special Section on Superconducting Devices)
Category: HTS
Keyword: 
high-Tc superconductingmicrostrip antennaspectral domain moment methodthree-fluid modelradiation efficiencyinput impedance
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A Yearlong Performance of Satellite Broadcasting Receiving Systems
Yuliman PURWANTO Yasutaka OGAWA Manabu OHMIYA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/06/25
Vol. E77-B  No. 6  pp. 808-814
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
G/Tcontinuous measurementsatellite broadcasting receiverweather effectnoise
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A Consideration of the Thin Planar Antenna with Wire-Grid Model
Nozomu ISHII Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/12/25
Vol. E76-B  No. 12  pp. 1518-1525
Type of Manuscript:  Special Section PAPER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation)
Category: 
Keyword: 
card-sized antennawire-grid modelmoment methodWheeler methodradiation efficiencyleast mean square method
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A Superresolution Technique for Antenna Pattern Measurements
Yasutaka OGAWA Teruaki NAKAJIMA Hiroyoshi YAMADA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/12/25
Vol. E76-B  No. 12  pp. 1532-1537
Type of Manuscript:  Special Section PAPER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation)
Category: 
Keyword: 
antenna pattern measurementsMUSIC algorithmfast Fourier transformgating technique
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Antenna Gain Measurements in the Presence of Unwanted Multipath Signals Using a Superresolution Technique
Hiroyoshi YAMADA Yasutaka OGAWA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/06/25
Vol. E76-B  No. 6  pp. 694-702
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antenna gain measurementsmultipath environmentsMUSIC algorithmspatial smoothing preprocessing
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A Continuous Measurement of G/T for Satellite Broadcasting Receiving Systems
Yuliman PURWANTO Yasutaka OGAWA Manabu OHMIYA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/08/25
Vol. E75-B  No. 8  pp. 767-774
Type of Manuscript:  PAPER
Category: Satellite Communication
Keyword: 
measurementG/Tsatellite-broadcastingreceiverantenna
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An Adaptive Antenna System for High-Speed Digital Mobile Communications
Yasutaka OGAWA Yasuyuki NAGASHIMA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/05/25
Vol. E75-B  No. 5  pp. 413-421
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
multipathfrequency-selective fadingadaptive antennaLMS algorithmreference signaldiversity
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Analysis on Small Planar Antenna in a Paging System
Nozomu ISHII Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/10/25
Vol. E74-B  No. 10  pp. 3233-3240
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Communication Antennas)
Category: 
Keyword: 
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Behaviors of an LMS Adaptive Array for Multipath Fading Reduction
Yasutaka OGAWA Manabu OHMIYA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/07/25
Vol. E67-E  No. 7  pp. 395-396
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
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Doppler Shift in a Standard Frequency via a Broadcasting Satellite--Experiment at Sapporo Using a Medium-Scale Broadcasting Satellite for Experimental Purposes--
Yasutaka OGAWA Yuji KATOH Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/03/25
Vol. E65-E  No. 3  pp. 154-158
Type of Manuscript:  PAPER
Category: Applications
Keyword: 
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On the Accuracy of Matrix Method for Analyzing Mode-Coupling Phenomena in Multimode Optical Fibers
Kohichi TATEKURA Kiyohiko ITOH Tadashi MATSUMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/09/25
Vol. E62-E  No. 9  pp. 595-596
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
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Variational Solution of the Power Flow Equation and Its Numerical Results for Random Bends in Graded-Index Optical Fibers
Kohichi TAKEKURA Kiyohiko ITOH Tadashi MATSUMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/10/25
Vol. E61-E  No. 10  pp. 809-815
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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A Dynamic Frequency Assignment Algorithm in Mobile Radio Communication Systems
Masakazu SENGOKU Kiyohiko ITOH Tadashi MATSUMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/07/25
Vol. E61-E  No. 7  pp. 527-533
Type of Manuscript:  PAPER
Category: Transmission Systems
Keyword: 
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