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 |