Akihiro KAJIWARA

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-IR,  sensor,  propagation,  delay 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-IR,  indoor communication,  Rake,  reflector, 
  Summary |  Full Text:PDF (2.8MB)
Foliage Attenuation Characteristics for LMDS Radio Channel
Akihiro KAJIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/20
Vol. E83-B  No. 9  pp. 2130-2134
Type of Manuscript: PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
LMDS,  foliage attenuation,  wireless radio, 
  Summary |  Full Text:PDF (534.6KB)
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: 1998/12/20
Vol. E81-B  No. 12  pp. 2559-2566
Type of Manuscript: PAPER
Category: Electronic and Radio Applications
Keyword: 
ITS,  millimeter-wave,  radar cross section,  rough surface,  sensing, 
  Summary |  Full Text:PDF (581.4KB)
Adaptive RAKE Receiver for Mobile Communications
Yukitoshi SANADA  Akihiro KAJIWARA  Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/20
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 spectrum,  mobile communication,  RAKE system,  fading, 
  Summary |  Full Text:PDF (441.7KB)
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: 1993/08/20
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 communications,  multipath fading channels,  Delay Lock Loop,  tracking, 
  Summary |  Full Text:PDF (567.4KB)
Crosscorrelation Cancellation in SS/DS Block Demodulator
Akihiro KAJIWARA  Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/09/20
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 (409.2KB)
Heterodyne-Type Autocorrelator for SS-DS Communications
Akihiro KAJIWARA  Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/05/20
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 (343.6KB)
Direct-Sequence Spread-Spectrum Demodulator Using Block Signal Processing
Akihiro KAJIWARA  Masao NAKAGAWA  Masafumi HAGIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/05/20
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 (500.1KB)