Atsushi Okamura - researchr alias

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Viewing Publication 1 - 34 from 34

2020

Experimental Field Trials on MU-MIMO Transmissions for High SHF Wide-Band Massive MIMO in 5GManabu Sakai, Kenichiro Kamohara, Hiroki Iura, Hiroshi Nishimoto, Kazuaki Ishioka, Yoshitaka Murata, Masayuki Yamamoto, Akihiro Okazaki, Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Atsushi Okamura, Yukihiko Okumura. TWC, 19(4):2196-2207, 2020. [doi]

Robust bin-picking system using tactile sensorSho Tajima, Seiji Wakamatsu, Taiki Abe, Masanari Tennomi, Koki Morita, Hirotoshi Ubata, Atsushi Okamura, Yuji Hirai, Kota Morino, Yosuke Suzuki, Tokuo Tsuji, Kimitoshi Yamazaki, Tetsuyou Watanabe. ar, 34(7-8):439-453, 2020. [doi]

Flexibility-Enhanced HTS System for Disaster Management: Responding to Communication Demand Explosion in a DisasterShigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama 0001, Nei Kato. tetc, 8(1):159-167, 2020. [doi]

Development of assembly system with quick and low-cost installationMasanari Tennomi, Atsushi Okamura, Yuta Nakamura, Taiki Abe, Seiji Wakamatsu, Sho Tajima, Toshihiro Nishimura, Yuji Hirai, Takuro Sawada, Naoki Ichikawa, Tokuo Tsuji, Kimitoshi Yamazaki, Yosuke Suzuki, Tetsuyou Watanabe. ar, 34(7-8):531-545, 2020. [doi]

2019

Optimizing Space-Air-Ground Integrated Networks by Artificial IntelligenceNei Kato, Zubair Md. Fadlullah, Fengxiao Tang, Bomin Mao, Shigenori Tani, Atsushi Okamura, Jiajia Liu. wc, 26(4):140-147, 2019. [doi]

Overlap FDE with Signal Extraction Based on SIR Considering Time/Frequency Selectivity of Fading ChannelsAkinori Nakajima, Hiroyasu Sano, Atsushi Okamura. vtc 2019: 1-5 [doi]

5G R&D Achievements for High-Data-Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMOYukihiko Okumura, Satoshi Suyama, Naoto Ishii, Yasushi Maruta, Akihiro Okazaki, Atsushi Okamura, Jun Terada, Takeshi Onizawa. vtc 2019: 1-5 [doi]

An Adaptive Beam Control Technique for Q Band Satellite to Maximize Diversity Gain and Mitigate Interference to Terrestrial NetworksShigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato. tetc, 7(1):115-122, 2019. [doi]

First Demonstration of Bandwidth-Allocation Scheme for Network-Slicing-Based TDM-PON toward 5G and IoT EraHiroyuki Uzawa, Kazuaki Honda, Hirotaka Nakamura, Yukio Hirano, Kenichi Nakura, Seiji Kozaki, Atsushi Okamura, Jun Terada. ofc 2019: 1-3 [doi]

A Narrow-Band Coherent FSK Transmission System Using Phase Rotated Transmit Diversity with Suppression of Envelope FluctuationKanako Yamaguchi, Masatsugu Higashinaka, Hiroyasu Sano, Atsushi Okamura, Takeo Ohgane, Toshihiko Nishimura. vtc 2019: 1-5 [doi]

An Equalization of PN-DSTBC for Concatenating with Spectral PrecodingKanako Yamaguchi, Nicolas Gresset, Hiroshi Nishimoto, Akihiro Okazaki, Hiroyasu Sano, Shusaku Umeda, Kaoru Tsukamoto, Atsushi Okamura. ieicet, 102-A(3):544-552, 2019. [doi]

2018

2017

Static sequence wrapped DFT-s-OFDM for high-speed train scenarios in high-SHF bandsFumihiro Hasegawa, Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura. eucnc 2017: 1-5 [doi]

3GPP standardization activities in relay based 5G high speed train scenarios for the SHF bandFumihiro Hasegawa, Akinori Taira, Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura, Gosan Noh, Bing Hui, JunHwan Lee, IlGyu Kim. cscn 2017: 126-131 [doi]

Performance Evaluation of Nonlinear Precoding Based on 44 GHz Band Experiments for 5G Ultra High Capacity Massive MIMOKenji Nakagawa, Shigeru Uchida, Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Akinori Okazaki, Atsushi Okamura. vtc 2017: 1-5 [doi]

Performance Evaluation of NL-BMD Precoding over Analog-Digital Hybrid Beamforming for High SHF Wide-Band Massive MIMO in 5GHiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura. ijwin, 24(3):225-239, 2017. [doi]

NL-BMD: Nonlinear Block Multi-Diagonalization Precoding for High SHF Wide-Band Massive MIMO in 5GHiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura. ieicet, 100-B(8):1215-1227, 2017. [doi]

Multi-Carrier Relaying for Successive Data Transfer in Earth Observation Satellite ConstellationsShigenori Tani, Michiya Hayama, Hiroki Nishiyama, Nei Kato, Katsuyuki Motoyoshi, Atsushi Okamura. globecom 2017: 1-5 [doi]

2016

Nonlinear block multi-diagonalization precoding for high SHF wide-band massive MIMO in 5GHiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura. pimrc 2016: 1-7 [doi]

Block lower multi-diagonalization for multiuser MIMO downlinkHiroshi Nishimoto, Hiroki Iura, Akinori Taira, Akihiro Okazaki, Atsushi Okamura. wcnc 2016: 1-6 [doi]

Block lower multi-diagonalization for multiuser MIMO downlinkHiroshi Nishimoto, Hiroki Iura, Akinori Taira, Akihiro Okazaki, Atsushi Okamura. wcnc 2016: 303-308 [doi]

An adaptive beam control technique for diversity gain maximization in LEO satellite to ground transmissionsShigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato. icc 2016: 1-5 [doi]

Two-dimensional diversity with serial concatenation of spectral precoding and DSTBCKanako Yamaguchi, Nicolas Gresset, Hiroshi Nishimoto, Akihiro Okazaki, Shusaku Umeda, Kaoru Tsukamoto, Hiroyasu Sano, Atsushi Okamura. isita 2016: 370-374 [doi]

2015

Static sequence assisted out-of-band power suppression for DFT-s-OFDMFumihiro Hasegawa, Shintaro Shinjo, Akihiro Okazaki, Atsushi Okamura, Loïc Brunel, David Mottier. pimrc 2015: 61-66 [doi]

Novel Dynamic and Static Methods for Out-of-Band Power Suppression in SC-OFDMFumihiro Hasegawa, Akihiro Okazaki, Atsushi Okamura, Damien Castelain, Cristina Ciochina-Duchesne, Loïc Brunel, David Mottier. wcl, 4(3):313-316, 2015. [doi]

Performance Evaluation of 44GHz Band Massive MIMO Based on Channel MeasurementAkinori Taira, Hiroki Iura, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Akihiro Okazaki, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura, Atsushi Okamura. globecom 2015: 1-6 [doi]

Cell Structure for High-Speed Land-Mobile CommunicationsShusaku Umeda, Akihiro Okazaki, Hiroshi Nishimoto, Kaoru Tsukamoto, Kanako Yamaguchi, Atsushi Okamura. vtc 2015: 1-5 [doi]

2012

Derivation of monopulse angle accuracy for phased array radar to achieve Cramer-Rao lower boundRyuhei Takahashi, Kazufumi Hirata, Teruyuki Hara, Atsushi Okamura. icassp 2012: 2569-2572 [doi]

2011

Separation of Mixtures of Complex Sinusoidal Signals with Independent Component AnalysisTetsuo Kirimoto, Takeshi Amishima, Atsushi Okamura. ieicet, 94-B(1):215-221, 2011. [doi]

2004

Wrapper-based bus implementation techniques for performance improvement and cost reductionKenichiro Anjo, Atsushi Okamura, Masato Motomura. jssc, 39(5):804-817, 2004. [doi]

2002

NECoBus: a high-end SOC bus with a portable and low-latency wrapper-based interface mechanismKenichiro Anjo, Atsushi Okamura, Tomoharu Kajiwarat, Noriko Mizushima, Masafumi Omori, Yasuaki Kuroda. cicc 2002: 315-318 [doi]

2001

A complex adaptive delay filterKatsuya Kusaba, Atsushi Okamura, Takashi Sekiguchi. icassp 2001: 3761-3764 [doi]

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Publications by 'Atsushi Okamura'

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2020

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2018

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2015

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2001

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Publications by 'Atsushi Okamura'

Viewing Publication 1 - 34 from 34

2020

2019

2018

2017

2016

2015

2012

2011

2004

2002

2001

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