Akio SATO


New Method for Evaluating Height Gain at Subscriber Station for Wireless Access Systems in Microwave Band
Naoki KITA Wataru YAMADA Akio SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2903-2914
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
height gainpath lossmicrowave bandBWAgeometrical optics
 Summary | Full Text:PDF(3.7MB)

Wideband Characteristics of Demmel Condition Number for 22 MIMO-OFDM Channels
Naoki KITA Wataru YAMADA Akio SATO Shuta UWANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1270-1272
Type of Manuscript:  Special Section LETTER (Special Section on Mobile Multimedia Communications)
Category: 
Keyword: 
MIMO-OFDM channelDemmel condition numberindoor MIMO channelspatial multiplexing
 Summary | Full Text:PDF(283.9KB)

A Path Loss Model in Residential Areas Based on Measurement Studies Using a 5.2-GHz/2.2-GHz Dual Band Antenna
Naoki KITA Shuta UWANO Akio SATO Masahiro UMEHIRA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 368-376
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
2.2 GHz5.2 GHz5.2-GHz/2.2-GHz dual band antennapath lossresidential areas
 Summary | Full Text:PDF(1.3MB)

DOA/TOA Measurement of 25 GHz Band for Urban Mobile Radio
Yoshihiko KUWAHARA Yoshimitsu IKI Kazuo NAGAO Shuichi OBAYASHI Keishi MURAKAMI Akio SATO Shoichiro KAWAMURA Masaharu HATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12  pp. 1974-1986
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
Category: 
Keyword: 
multipath propagationmobile communicationrelative powerdirection of arrivaltime of arrivalquasi millimeter wave
 Summary | Full Text:PDF(2.9MB)

Transmission Performance and Diversity Technique of 100 Mbps Indoor Radio on 37 GHz
Satoru AIKAWA Akio SATO Yuji NAKAYAMA Satoshi KUROSAKI Teruaki YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/04/25
Vol. E81-B  No. 4  pp. 798-805
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
space diversitybroad-band tranmissionindoor radio transmissionmillimeter wave
 Summary | Full Text:PDF(745.6KB)