Hirokazu SAWADA

Characterization of Broadband Mobile Communication Channel in 200MHz Band Based on Saleh-Valenzuela Model
Hiroki OHARA Hirokazu SAWADA Masayuki OODO Fumihide KOJIMA Hiroshi HARADA Kentaro SAITO Jun-ichi TAKADA 
Publication:   
Publication Date: 2018/11/01
Vol. E101-B  No. 11  pp. 2277-2288
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
VHF propagation, mobile communication, public broadband mobile communication (PBB) system, impulse response, channel model, 
 Summary | Full Text:PDF
Wideband Rectangular Antenna Fed Sideways from a Ground Plate
Kyoichi IIGUSA Hirokazu SAWADA Fumihide KOJIMA Hiroshi HARADA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-B  No. 1  pp. 176-184
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
wideband antenna, impedance matching, offset feed, polarization, 
 Summary | Full Text:PDF
NRD-Guide Passive Components and Devices for Millimeter Wave Wireless Applications
Tsukasa YONEYAMA Hirokazu SAWADA Takashi SHIMIZU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Vol. E90-C  No. 12  pp. 2170-2177
Type of Manuscript:  INVITED PAPER (Special Section on Recent Technologies for Microwave and Millimeter-wave Passive Devices)
Category: 
Keyword: 
NRD-guide, millimeter waves, passive components, gigabit wireless, transceiver, 
 Summary | Full Text:PDF