Akihiro KAJIWARA


RCS Measurements for Vehicles and Pedestrian at 26 and 79GHz
Isamu MATSUNAMI Ryohei NAKAMURA Akihiro KAJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 204-206
Type of Manuscript:  Special Section LETTER (Special Section on Wideband Systems)
Category: 
Keyword: 
automotive radarmillimeter-waveradar cross section
 Summary | Full Text:PDF(1.8MB)

Performance Evaluation of Human Body Detection Using UWB-IR Indoor Channels
Keiji TERASAKA Kenji HIGASHIKATSURAGI Katsushi ONO Akihiro KAJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3183-3189
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
UWB-IRsensorpropagationdelay profile
 Summary | Full Text:PDF(1.8MB)

Rake Reception of UWB-IR Indoor Radio with Reflector
Isamu MATSUNAMI Akihiro KAJIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Vol. E90-B  No. 4  pp. 952-959
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
UWB-IRindoor communicationRakereflector
 Summary | Full Text:PDF(2.8MB)

Foliage Attenuation Characteristics for LMDS Radio Channel
Akihiro KAJIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9  pp. 2130-2134
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
LMDSfoliage attenuationwireless radio
 Summary | Full Text:PDF(533KB)

A Study on Millimeter-Wave Radar Cross Section Characteristics for Road Condition Sensing
Hiroyuki YAMAGUCHI Akihiro KAJIWARA Shogo HAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2559-2566
Type of Manuscript:  PAPER
Category: Electronic and Radio Applications
Keyword: 
ITSmillimeter-waveradar cross sectionrough surfacesensing
 Summary | Full Text:PDF(578.4KB)

A Delay Lock Loop for Mobile Communications in the Presence of Multipath Fading
Makoto TAKEUCHI Akihiro KAJIWARA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 1039-1046
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile communicationsmultipath fading channelsDelay Lock Looptracking
 Summary | Full Text:PDF(567.4KB)

Adaptive RAKE Receiver for Mobile Communications
Yukitoshi SANADA Akihiro KAJIWARA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 1002-1007
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrummobile communicationRAKE systemfading
 Summary | Full Text:PDF(441.6KB)

Crosscorrelation Cancellation in SS/DS Block Demodulator
Akihiro KAJIWARA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/09/25
Vol. E74-A  No. 9  pp. 2596-2602
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(407.8KB)

Direct-Sequence Spread-Spectrum Demodulator Using Block Signal Processing
Akihiro KAJIWARA Masao NAKAGAWA Masafumi HAGIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/05/25
Vol. E74-B  No. 5  pp. 1108-1114
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(500KB)

Heterodyne-Type Autocorrelator for SS-DS Communications
Akihiro KAJIWARA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/05/25
Vol. E74-B  No. 5  pp. 1103-1107
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(343.4KB)