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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 43 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2015-04-17
15:15
Oita Yufuin, Yufugoukan Multi-Beam Multiplexing Technologies for 5G Ultra High Capacity Massive MIMO Transmission and Evaluation by Outdoor Fundamental Experiment Trial at 44GHz Band
Akihiro Okazaki, Hiroki Iura, Kenji Nakagawa, Kazuaki Ishioka, Kazunari Kihira, Atsushi Okamura (Mitsubishi Electric), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-22
Recently, radio access technologies for the fifth generation (5G) in higher frequency bands have been extensively studie... [more] RCS2015-22
pp.119-124
AP 2015-02-20
15:30
Hyogo Chusho-kigyou center at Amagasaki-City [Invited Lecture] Design of Time Modulated Array Considering Hardware Restrictions
Makoto Matsuki, Kazunari Kihira, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric) AP2014-209
A low side lobe level pattern in a phased array antenna is desired for the radar systems. The phase shifter control type... [more] AP2014-209
pp.125-130
RCS, NS
(Joint)
2014-12-18
09:25
Mie Iseshi-Kanko-Bunka-Kaikan (Mie) A Study on Antenna Configurations for MIMO system using Analog Beamforming
Hiroki Iura, Akihiro Okazaki, Kazunari Kihira, Noriyuki Fukui, Keijiro Take, Atsushi Okamura (Mitsubishi Electric) RCS2014-227
Recently, radio access technologies for fth generation (5G) over higher frequency bands have been extensively studied. ... [more] RCS2014-227
pp.43-48
SANE 2014-10-23
09:00
Overseas Ramada Plaza Melaka, Malacca, Malaysia An Aircraft Target Detection by Passive Bistatic Radar with Multi-frequency Coherent Integration of Broadcast Satellite Signals
Tadashi Oshima, Toshihiro Ito, Ryuhei Takahashi, Nobuhiro Suzuki, Teruyuki Hara, Kazufumi Hirata, Toshio Wakayama, Atsushi Okamura, Kazunari Kihira, Takayuki Nakanishi, Yusuke Kitsukawa, Toru Takahashi (Mitsubishi Electric) SANE2014-76
 [more] SANE2014-76
pp.67-70
MW 2014-03-05
16:15
Ehime Ehime University Novel phase difference control technique of fractional-N PLL by using clock-shift of LE signal
Yusuke Kitsukawa, Hideyuki Nakamizo, Kazunari Kihira, Kenichi Tajima, Kenji Kawakami (Mitsubishi Electric) MW2013-223
A novel phase control technique of microwave signals using a Fractional-N PLL(F-PLL) synthesizer is described. In multip... [more] MW2013-223
pp.151-154
AP 2014-02-07
10:25
Aichi Kojima Industries Corporation, Kojima Research Center [Invited Lecture] A Phased Array Antenna Using Commercial Fractional-N PLL Synthesizers
Kazunari Kihira, Yusuke Kitsukawa, Hideyuki Nakamizo, Toru Takahashi, Hiroaki Miyashita (Mitsubishi Electric) AP2013-178
 [more] AP2013-178
pp.69-74
AP, PEM
(Joint)
2013-10-04
10:55
Ishikawa Kanazawa Univ. Satellite-Plaza A Study on Modulation Method for Transmission System Using Phased Array Antennas
Jun Goto, Kazunari Kihira, Toru Takahashi, Hiroaki Miyashita (Mitsubishi Electric) AP2013-95
 [more] AP2013-95
pp.47-50
AP, ITE-BCT 2013-02-07
13:50
Tokyo AIST Tokyo Waterfront A Study of Cross Polarization Reduction on Reflectarray Antenna
Masakazu Taniguchi, Kazunari Kihira, Toru Takahashi, Yoshihiko Konishi (Mitsubishi Electric) AP2012-162
 [more] AP2012-162
pp.47-51
AP, MW
(Joint)
2012-09-27
11:25
Saitama KDDI R&D LABS Transmit Array Antenna Calibration Using Multicarrier Signal
Kazunari Kihira, Toru Takahashi, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2012-84
 [more] AP2012-84
pp.13-18
AP, WPT
(Joint)
2012-08-28
16:15
Niigata Niigata Univ. A Reduction Method of Excitation Amplitude and Phase Error for Phased Array Antenna
Tasuku Kuriyama, Kazunari Kihira, Toru Takahashi, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2012-81
 [more] AP2012-81
pp.75-80
AP, SAT
(Joint)
2012-07-25
16:30
Hokkaido Hokkaido Univ. Pattern Synthesis with Restricted Amplitude Control for Active Phased Array Antennas
Takayuki Nakanishi, Kazunari Kihira, Toru Takahashi, Yoshihiko Konishi (Mitsubishi Electric) AP2012-45
 [more] AP2012-45
pp.85-90
AP 2012-05-24
10:55
Fukuoka ACROS Fukuoka Study on Application of Superdirective Array as HF band Receiver Antenna
Masakazu Taniguchi, Kazunari Kihira, Toru Takahashi, Yoshihiko Konishi (Mitsubishi Electric) AP2012-12
The high frequency (HF) band is frequently used in over-the-horizon observation. By using HF band, antenna aperture usua... [more] AP2012-12
pp.7-12
AP, WPT
(Joint)
2011-10-13
13:00
Kanagawa Kanagawa Womens Center Experimental Results of Multibeam DBF Antenna Using Multi-port Amplifiers
Kazunari Kihira, Takayuki Nakanishi, Toru Takahashi, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2011-79
In recent years, multibeam satellite systems with hundreds of spot beams have been developed and studied. A Multibeam sa... [more] AP2011-79
pp.13-18
SANE 2011-06-23
10:10
Ibaraki Tsukuba Space Center (JAXA) Null Beam Forming by Amplitude and Phase Control for Multiple-Beam Phased Array Antennas
Takayuki Nakanishi, Kazunari Kihira, Toru Takahashi, Toshihiko Aoki, Ichiro Inamori, Yoshihiko Konishi (Mitsubishi Electric Corp.), Masanobu Yajima, Toshihiro Sezai, Johta Awano (JAXA) SANE2011-19
Multiple access technologies have been required for intersatellite communications between low earth orbit (LEO) satellit... [more] SANE2011-19
pp.11-16
AP, RCS
(Joint)
2010-11-12
13:50
Fukui Fukui Univ. Power Inversion Adaptive Array for Co-channel Interference Suppression in Multibeam Satellite Communications
Kazunari Kihira, Akinori Fujimura, Tamotsu Nishino, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric Corp.) AP2010-114
 [more] AP2010-114
pp.131-136
SAT 2010-10-28
14:50
Overseas Kyonju(Korea) Optimum Amplifier Selection Method of Array Feed Element for Minimizing Power Consumption
Takayuki Nakanishi, Kazunari Kihira, Tamotsu Nishino, Yoshihiko Konishi (Mitsubishi Electric) SAT2010-50
In recent years, multibeam satellite systems with hundreds of spot beams have been developed and studied. A Multibeam sa... [more] SAT2010-50
pp.45-50
AP 2010-02-19
14:00
Tokyo Toshiba A Study on Arrangement of Zero Carriers for Adaptive Antenna in OFDM Systems
Kazunari Kihira, Tamotsu Nishino, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric Corp.) AP2009-199
OFDM systems are known to outperform single carrier systems under a multipath environment. However, the multipath waves,... [more] AP2009-199
pp.89-94
AP 2009-12-17
09:30
Tokyo Kikai-Shinko-Kaikan Bldg. A Study on Low Power Consumption of Satellite Multibeam Antenna with Array-fed Element
Takayuki Nakanishi, Kazunari Kihira, Tamotsu Nishino, Kazutomi Mori, Yoshihiko Konishi (MITSUBISHI ELECTRIC CORP.) AP2009-142
In recent years, Multibeam satellite system with hundreds of spot beams has been developed and studied. Multibeam satell... [more] AP2009-142
pp.1-6
AP 2009-05-22
10:55
Kumamoto Kumamoto Univ. An Adaptive Antenna Using Eigenvector Beams for OFDM Transmission with Zero Carriers
Kazunari Kihira, Masataka Ohtsuka, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric Corp.) AP2009-28
OFDM systems are known to outperform single carrier systems under a multipath environment. However, the multipath waves,... [more] AP2009-28
pp.99-104
SANE 2008-06-26
16:05
Ibaraki Tsukuba Space Center (JAXA) GPS pseudo range error analysis with precise ISS structure modeling between HTV and ISS navigation
Hiroyuki Ohmine, Takeshi Yabushita, Kazunari Kihira (Mitsubishi Electric Corp.), Kota Tanabe, Toru Kasai (JAXA) SANE2008-24
Japan Aerospace Exploration Agency (JAXA) has been developing the H-II Transfer Vehicle (HTV). HTV is automated, unmanne... [more] SANE2008-24
pp.61-66
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