Kiyoshi KOBAYASHI


A Theoretical Analysis of a Circular Microstrip Antenna in a Parallel-Plate Waveguide
Narihiro NAKAMOTO Tomohiro OKA Shoichi KITAZAWA Hiroshi BAN Kiyoshi KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/01/01
Vol. E96-B  No. 1  pp. 173-181
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
circular microstrip antennaparallel-plate waveguideinput impedanceresonant frequencysurface admittance
 Summary | Full Text:PDF(1.8MB)

Novel Polarization-Tracking-Free Mobile Satellite Communication Systems and On-Ground Polarization-Forming Technique
Yoshinori SUZUKI Takatoshi SUGIYAMA Kiyoshi KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Vol. E95-B  No. 11  pp. 3412-3419
Type of Manuscript:  Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011)
Category: 
Keyword: 
communication satelliteearth stationand polarization forming
 Summary | Full Text:PDF(1.6MB)

Direct Spectrum Division Transmission for Highly Efficient Frequency Utilization in Satellite Communications
Jun-ichi ABE Fumihiro YAMASHITA Katsuya NAKAHIRA Kiyoshi KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/02/01
Vol. E95-B  No. 2  pp. 563-571
Type of Manuscript:  PAPER
Category: Satellite Communications
Keyword: 
satellite communicationsfilter bankdirect spectrum division transmissionspectrum editing technique
 Summary | Full Text:PDF(2.3MB)

Digitally-Controlled Polarization-Forming Transmitting Antenna for Mobile Satellite Communication Systems
Yoshinori SUZUKI Kiyoshi KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/06/01
Vol. E94-B  No. 6  pp. 1707-1715
Type of Manuscript:  PAPER
Category: Satellite Communications
Keyword: 
electrically polarization formingtransmitting antennamobile satellite communication systems
 Summary | Full Text:PDF(1.4MB)

Recent Japanese R&D in Satellite Communications
Masahiro UMEHIRA Kiyoshi KOBAYASHI Yoshitsugu YASUI Masato TANAKA Ryutaro SUZUKI Hideyuki SHINONAGA Nobuyuki KAWAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3290-3299
Type of Manuscript:  INVITED PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008)
Category: 
Keyword: 
satellite communicationsR&DJapan
 Summary | Full Text:PDF(4.7MB)

Frequency Asynchronous Cross-Polarization Interference Canceller for Variable Polarization Frequency Division Multiplexing (VPFDM)
Fumihiro YAMASHITA Junichi ABE Kiyoshi KOBAYASHI Hiroshi KAZAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3365-3374
Type of Manuscript:  Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008)
Category: 
Keyword: 
satellite communicationscross-polarizationfrequency offsetinterference canceller
 Summary | Full Text:PDF(2.2MB)

A Prototype Modem for Hyper-Multipoint Data Gathering SATCOM Systems --- A Group Modem Applicable to Arbitrarily and Dynamically Assigned FDMA Signals ---
Kiyoshi KOBAYASHI Fumihiro YAMASHITA Jun-ichi ABE Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3318-3325
Type of Manuscript:  Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008)
Category: 
Keyword: 
FFT filter bankgroup modemhyper-multipoint data gatheringarbitrary and dynamic frequency assignmentsatellite communication
 Summary | Full Text:PDF(1.7MB)

A Highly Efficient and Flexible Channel Allocation Scheme for Hyper Multi-Point Data Gathering Satellite Communication Systems
Katsuya NAKAHIRA Kiyoshi KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3309-3317
Type of Manuscript:  Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008)
Category: 
Keyword: 
satellite communicationchannel allocationsensor networkdata gathering
 Summary | Full Text:PDF(1.5MB)

Deformed Antenna Pattern Compensation Technique for Multi-Beam Antennas in Broadband and Scalable Mobile Communications Satellites
Yoshinori SUZUKI Satoshi HARADA Kiyoshi KOBAYASHI Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2280-2287
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
communication satelliteonboard antennamulti-beamphased array
 Summary | Full Text:PDF(1.4MB)

Communication Capacity and Quality Enhancement Using a Two-Layered Adaptive Resource Allocation Scheme for Multi-Beam Mobile Satellite Communication Systems
Katsuya NAKAHIRA Kiyoshi KOBAYASHI Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/07/01
Vol. E89-A  No. 7  pp. 1930-1939
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
mobile satellite communicationmulti beamresource allocationcapacity enhancementQoSoptimization
 Summary | Full Text:PDF(1MB)

Seamless Symbol Rate Switching Scheme for Multi-Rate FDMA Modem
Fumihiro YAMASHITA Kiyoshi KOBAYASHI Kohei OHATA Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 545-555
Type of Manuscript:  PAPER
Category: Satellite Communication
Keyword: 
symbol ratesatellite communicationsseamless switchingmodem
 Summary | Full Text:PDF(2MB)

Design and Performance Evaluation of IEEE 802.11a SDR Software Implemented on a Reconfigurable Processor
Kazunori AKABANE Hiroyuki SHIBA Munehiro MATSUI Kiyoshi KOBAYASHI Katsuhiko ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11  pp. 4163-4169
Type of Manuscript:  Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radioreconfigurable processorwireless LANIEEE 802.11a
 Summary | Full Text:PDF(1.9MB)

Nanophotonic Computing Based on Optical Near-Field Interactions between Quantum Dots
Makoto NARUSE Tetsuya MIYAZAKI Tadashi KAWAZOE Suguru SANGU Kiyoshi KOBAYASHI Fumito KUBOTA Motoichi OHTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/09/01
Vol. E88-C  No. 9  pp. 1817-1823
Type of Manuscript:  Special Section PAPER (Special Section on Nanophotonics and Related Techniques)
Category: 
Keyword: 
nanophotonicsoptical signal processingoptical near-fieldinformation processingnanophotonic computing
 Summary | Full Text:PDF(578.3KB)

Anti-Parallel Dipole Coupling of Quantum Dots via an Optical Near-Field Interaction
Tadashi KAWAZOE Kiyoshi KOBAYASHI Motoichi OHTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/09/01
Vol. E88-C  No. 9  pp. 1845-1849
Type of Manuscript:  Special Section PAPER (Special Section on Nanophotonics and Related Techniques)
Category: 
Keyword: 
optical near-field interactionanti-parallel electric dipole pairnear-field spectroscopycoupled quantum dots
 Summary | Full Text:PDF(795KB)

Nanophotonic Devices and Fundamental Functional Operations
Suguru SANGU Kiyoshi KOBAYASHI Motoichi OHTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/09/01
Vol. E88-C  No. 9  pp. 1824-1831
Type of Manuscript:  Special Section PAPER (Special Section on Nanophotonics and Related Techniques)
Category: 
Keyword: 
nanophotonicsquantum stateslogic gatesphoton storagequantum information processing
 Summary | Full Text:PDF(675.1KB)

Observation of Faraday Rotation and Magnetic Circular Dichroism in an Optical Near-Field Probe Coated with Fe
Tadashi KAWAZOE Shinya MARUYAMA Kiyoshi KOBAYASHI Motoichi OHTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/09/01
Vol. E88-C  No. 9  pp. 1850-1852
Type of Manuscript:  Special Section LETTER (Special Section on Nanophotonics and Related Techniques)
Category: 
Keyword: 
polarizationoptical near-fieldmagneto-optical effectoptical properties of magnetic materialsplasmon
 Summary | Full Text:PDF(456.4KB)

Spreading Code Assignment for Multicarrier CDMA System over Frequency-Selective Fading Channels
Takashi SHONO Tomoyuki YAMADA Kiyoshi KOBAYASHI Katsuhiko ARAKI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/12/01
Vol. E87-B  No. 12  pp. 3734-3746
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
multicarrier code division multiple access (MC-CDMA)inter-code interference (ICI)spreading code assignmentequal gain combining (EGC)orthogonality restoring combining (ORC)maximum ratio combining (MRC)broadband mobile communications
 Summary | Full Text:PDF(1.1MB)

Enhanced Multi-Correlator AFC for Fast and Wide Range Frequency Acquisition
Fumihiro YAMASHITA Kiyoshi KOBAYASHI Yoshinori NAKASUGA Jin MITSUGI Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2072-2081
Type of Manuscript:  Special Section PAPER (Special Section on Recent Fundamental Technologies for Broadband Satellite Communications)
Category: 
Keyword: 
AFCcorrelatorssatellite communicationslarge acquisition range
 Summary | Full Text:PDF(2.5MB)

Inter-Code Interference and Optimum Spreading Sequence in Frequency-Selective Rayleigh Fading Channels on Uplink MC-CDMA
Takashi SHONO Tomoyuki YAMADA Kiyoshi KOBAYASHI Katsuhiko ARAKI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 1981-1993
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Signal Processing for Communications
Keyword: 
MC-CDMAOFDMinter-code interferencedesired-to-undesired signal power ratiospreading sequence
 Summary | Full Text:PDF(464.1KB)

Low C/N Spread Spectrum Modem for Random Access Satellite Communications
Kiyoshi KOBAYASHI Hiroshi KAZAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12  pp. 2743-2750
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrumrandom accessmodemcode synchronizationpilot signal transmissionsatellite communication
 Summary | Full Text:PDF(292.8KB)

A Novel Coherent Preambleless Demodulator Employing Sequential Processing for PSK Packet Signals--AFC and Carrier Recovery Circuits--
Takeshi ONIZAWA Kiyoshi KOBAYASHI Masahiro MORIKURA Toshiaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/03/25
Vol. E82-B  No. 3  pp. 542-550
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
packetAFCpreamblelessphase signalssequentialcarrier recoverysample hold
 Summary | Full Text:PDF(424.5KB)

High Capacity and Wide Coverage Cell Station for Personal Communication Systems
Kiyoshi KOBAYASHI Tomoaki KUMAGAI Shuji KUBOTA Shigeaki OGOSE Takeshi HATTORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/01/25
Vol. E82-B  No. 1  pp. 112-119
Type of Manuscript:  PAPER
Category: Communication Systems and Transmission Equipment
Keyword: 
personal communicationcell stationdiversitycoherent detectionburst-by-burst AFC
 Summary | Full Text:PDF(466.4KB)

Bit-Stream-Arranged Weighted Modulation Scheme for Low Delay Spread Frequency Selective Fading Channels
Kiyoshi KOBAYASHI Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7  pp. 1452-1458
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
weighted modulationfrequency selective fadingmicro-cell systemADPCMPCM
 Summary | Full Text:PDF(589.1KB)

Bit Significance Selective Frequency Diversity Transmission
Tomoaki KUMAGAI Kiyoshi KOBAYASHI Katsuhiko KAWAZOE Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/03/25
Vol. E81-B  No. 3  pp. 545-552
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
frequency diversityspectrum efficiencyfadingADPCM
 Summary | Full Text:PDF(693.6KB)

Fully Digital Burst Modem for Satellite Multimedia Communication Systems
Kiyoshi KOBAYASHI Tetsu SAKATA Yoichi MATSUMOTO Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/01/25
Vol. E80-B  No. 1  pp. 8-15
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Satellite Communications toward Multimedia Era)
Category: Modem and Coding
Keyword: 
digital burst modemTDMAsatellite communicationVLSIC
 Summary | Full Text:PDF(852.9KB)

VLSI Implemented 60 Mb/s QPSK/OQPSK Burst Digital Demodulator for Radio Application
Yoichi MATSUMOTO Kiyoshi KOBAYASHI Tetsu SAKATA Kazuhiko SEKI Shuji KUBOTA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/12/25
Vol. E77-C  No. 12  pp. 1873-1880
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia, Analog and Processing LSIs)
Category: Multimedia System LSIs
Keyword: 
demodulatorcarrier recoverybit-timing recoveryVLSITDMA
 Summary | Full Text:PDF(794.8KB)

A Group Demodulator Employing Multi-Symbol Chirp Fourier Transform
Kiyoshi KOBAYASHI Tomoaki KUMAGAI Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7  pp. 905-910
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
communication terminal and equipmentgroup demodulatorFDM-TDM conversionchirp Fourier transformpersonal communication
 Summary | Full Text:PDF(417.5KB)