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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 28  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, SANE
(Joint)
2020-02-20
13:50
Okinawa   Soft error mitigation using CNN DAE for onboard digital payload
Shigenori Tani, Yasutaka Yamashita, Shigeru Uchida, Hiroshi Aruga (Mitsubishi Electric) SAT2019-81
An onboard digital payload enables communication and observation satellites to improve operation flexibility by changing... [more] SAT2019-81
pp.69-74
SAT, SANE
(Joint)
2020-02-20
14:15
Okinawa   A Study on Power Control Method Using Q-learning to Extend Life of Satellite-Borne Batteries in Low-Earth Orbit Satellite Communication System
Hikaru Tsuchida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Kazuma Kaneko, Shigenori Tani, Shigeru Uchida, Hiroshi Aruga (MELCO) SAT2019-82
Recently, there is an increasing demand for satellite communication networks on a global scale. Therefore, low-Earth orb... [more] SAT2019-82
pp.75-80
RISING
(2nd)
2019-11-26
10:30
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Poster Presentation] Initial Evaluation of Modulation Recognition Based on Deep Learning using Estimated SNR as Side Information
Yasutaka Yamashita, Shigeru Uchida, Hiroshi Aruga (Mitsubishi Electric Corp.)
Modulation classification is an important research subject in cognitive radios and radio monitoring systems to recognize... [more]
AP, SANE, SAT
(Joint)
2019-07-17
16:50
Miyagi Tohoku Univ. Performence Evaluation of Adaptive Equalization Scheme with Linear and Nonlinear Distortion
Yasunori Nouda, Shunsuke Uehashi, Shigenori Tani, Shigeru Uchida, Hiroshi Aruga (Mitsubishi Electric) SANE2019-23 SAT2019-10
The demand for wideband transmission is increasing greatly in satellite communication system. In wideband transmission, ... [more] SANE2019-23 SAT2019-10
pp.25-30(SANE), pp.13-18(SAT)
SANE, SAT
(Joint)
2019-02-14
12:40
Kagoshima Tanegashima Island Optimal Beam Assignment Techniques for Beam Hopping Satellite Systems
Shigenori Tani, Michiya Hayama, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric) SAT2018-62
Beam hopping system sharing transmitting resources in time enables satellites and gateways to reduce their costs for inc... [more] SAT2018-62
pp.29-34
SANE, SAT
(Joint)
2019-02-13
12:40
Kagoshima Tanegashima Island Computational Complexity Reduction for an Adaptive Equalization Scheme based on Memory Polynomial for Compensating both Linear and Nonlinear Distortion
Shunsuke Uehashi, Yasunori Nouda, Shigenori Tani, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric) SAT2018-68
The demand for wideband transmission is increasing greatly in satellite communication system. In wideband transmission, ... [more] SAT2018-68
pp.63-68
RCS, SR, SRW
(Joint)
2018-03-01
11:50
Kanagawa YRP [Technology Exhibit] Indoor Experimental Verification of Multi-beam Spatial Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroshi Nishimoto, Manabu Sakai, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Satoshi Yamaguchi, Hideyuki Nakamizo, Yoshitaka Murata, Kuniyuki Suzuki, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-354 SR2017-120 SRW2017-74
Recently, the fifth-generation mobile communications system (5G) in higher frequency bands has been extensively studied.... [more] RCS2017-354 SR2017-120 SRW2017-74
pp.215-216(RCS), pp.55-56(SR), pp.41-42(SRW)
RCS, NS
(Joint)
2017-12-15
15:10
Hiroshima Aster Plaza Mobility Evaluation of Massive MIMO with Linear/Nonlinear Precoding Based on SINR Heatmap in a Serving Cell
Hiroshi Nishimoto, Akinori Taira, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-267
Multiuser multiple-input multiple-output (MU-MIMO) over massive MIMO is one of the key enablers in the fifth generation ... [more] RCS2017-267
pp.95-100
RCS 2017-10-20
14:25
Miyagi Tohoku Institute of Technology [Invited Lecture] R&D Activities for 28 GHz Wide-band Massive MIMO in 5G
Shigeru Uchida, Satoshi Yamaguchi, Hideyuki Nakamizo, Kenji Nakagawa, Fumihiro Hasegawa, Noriyuki Fukui, Akihiro Okazaki, Tomokazu Hamada, Kuniyuki Suzuki, Kiyoshige Nakamura, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-196
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2017-196
pp.155-160
RCS, SAT
(Joint)
2017-08-17
11:40
Niigata Niigata Univ. A Study on Design of Modulo Boundary in MU-MIMO Nonlinear Precoding
Hiroshi Nishimoto, Akinori Taira, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2017-149
Multiuser multiple-input multiple-output (MU-MIMO) over massive MIMO is one of the key enablers in the fifth generation ... [more] RCS2017-149
pp.37-42
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-21
11:55
Hokkaido Hokkaido Univ. Propagation Experiment in LOS environment at 28GHz band for High SHF Wide-band Massive MIMO in 5G
Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Kiyoshige Nakamura, Akihiro Okazaki (Mitsubishi Electric), Kei Satoh, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) RCS2017-137
Recently, mobile communication technologies for the fifth generation (5G) in higher frequency bands have been extensivel... [more] RCS2017-137
pp.227-232
RCS, AP
(Joint)
2016-11-25
10:25
Kyoto Kyoto International Community House OFDM Performance of 5G Ultra High Capacity Massive MIMO Transmission based on Indoor Experiment Measurement at 44GHz band
Kenji Nakagawa, Shigeru Uchida, Hiroki Iura, Hideki Morishige, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Kei Satoh, Tatsunori Obara, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) RCS2016-202
Recently, mobile communication technologies for the fifth generation (5G) in heigher frequency bands have been extensive... [more] RCS2016-202
pp.63-68
RCS, AP
(Joint)
2016-11-25
10:50
Kyoto Kyoto International Community House Performance Evaluation of Nonlinear Precoding based on Indoor Experimental Channel Data at 44GHz band for 5G Ultra High Capacity Massive MIMO
Shigeru Uchida, Kenji Nakagawa, Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corporation) RCS2016-203
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2016-203
pp.69-74
RCS 2016-10-21
13:30
Kanagawa YRP (Yokosuka) [Invited Lecture] R&D Activities for High SHF Wide-band Massive MIMO in 5G
Akihiro Okazaki, Satoshi Yamaguchi, Koji Tsutsumi, Shintaro Shinjo, Hiroshi Nishimoto, Noriyuki Fukui, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2016-185
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2016-185
pp.179-184
RCS 2016-06-23
15:15
Okinawa Univ. of the Ryukyus Antenna Configuration on SU-MIMO in High SHF-band and Wide-band Massive MIMO for 5G
Kenji Nakagawa, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2016-71
Recently, radio access technologies based on Massive MIMO for the fifth generation (5G) in high frequency bands such as ... [more] RCS2016-71
pp.147-152
RCS 2016-06-23
15:40
Okinawa Univ. of the Ryukyus Mobility Tolerance of Nonlinear Block Multi-diagonalization Precoding for High SHF Wide-band Massive MIMO in 5G
Hiroki Iura, Akinori Taira, Hiroshi Nishimoto, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2016-72
 [more] RCS2016-72
pp.153-158
RCS 2016-04-22
10:10
Aomori Romantopia, A Landscape of Forest and Stars, Hirosaki City OFDM Performance of Nonlinear Block Multi-diagonalization Precoding for High SHF Wide-band Massive MIMO in 5G
Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2016-13
In the paper, we evaluate MU-MIMO system performance using novel transmit precoding named ``nonlinear block multi-diagon... [more] RCS2016-13
pp.71-76
RCS, CCS, SR, SRW
(Joint)
2016-03-04
10:50
Tokyo Tokyo Institute of Technology A Study on Nonlinear Block Multi-diagonalization Precoding for High SHF Wide-band Massive MIMO in 5G
Hiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2015-377
In the paper, we propose a novel transmit precoding named "nonlinear block multi-diagonalization (NL-BMD) precoding," co... [more] RCS2015-377
pp.255-260
RCS, CCS, SR, SRW
(Joint)
2016-03-04
13:40
Tokyo Tokyo Institute of Technology [Invited Lecture] Performance Evaluation of Massive MIMO System Based on Channel Measurement in 44GHz Band
Hiroki Iura, Akinori Taira, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Hideki Morishige, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) SR2015-115
 [more] SR2015-115
pp.157-162
AP, RCS, WPT, SAT
(Joint)
2015-11-04
14:30
Okinawa Okinawa Prefectural Museum & Art Museum [Invited Lecture] Transmit Performance of Analog Beamforming MIMO System in Practical Outdoor Environment using High Frequency Band
Hiroki Iura, Kenji Nakagawa, Uchida Shigeru, Akinori Taira, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO), Otsushi Okamrua (Mitsubishi Electric) AP2015-116 RCS2015-201
(To be available after the conference date) [more] AP2015-116 RCS2015-201
pp.35-40(AP), pp.67-72(RCS)
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