Atsushi Okamura

35 papers B 4C 1Misc 2Journal 14Unranked 14

Year	Rank	Type	Title / Venue / Authors
2020	J	`jnl`	Development of assembly system with quick and low-cost installation. Adv. Robotics Masanari 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
2020	J	`jnl`	Experimental Field Trials on MU-MIMO Transmissions for High SHF Wide-Band Massive MIMO in 5G. IEEE Trans. Wirel. Commun. Manabu 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
2020	J	`jnl`	Flexibility-Enhanced HTS System for Disaster Management: Responding to Communication Demand Explosion in a Disaster. IEEE Trans. Emerg. Top. Comput. Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato
2020	J	`jnl`	Robust bin-picking system using tactile sensor. Adv. Robotics Sho 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
2019	—	`conf`	5G R&D Achievements for High-Data-Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO. VTC Spring Yukihiko Okumura, Satoshi Suyama, Naoto Ishii, Yasushi Maruta, Akihiro Okazaki, Atsushi Okamura, Jun Terada, Takeshi Onizawa
2019	—	`conf`	A Narrow-Band Coherent FSK Transmission System Using Phase Rotated Transmit Diversity with Suppression of Envelope Fluctuation. VTC Fall Kanako Yamaguchi, Masatsugu Higashinaka, Hiroyasu Sano, Atsushi Okamura, Takeo Ohgane, Toshihiko Nishimura
2019	J	`jnl`	An Adaptive Beam Control Technique for Q Band Satellite to Maximize Diversity Gain and Mitigate Interference to Terrestrial Networks. IEEE Trans. Emerg. Top. Comput. Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato
2019	J	`jnl`	An Equalization of PN-DSTBC for Concatenating with Spectral Precoding. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Kanako Yamaguchi, Nicolas Gresset, Hiroshi Nishimoto, Akihiro Okazaki, Hiroyasu Sano, Shusaku Umeda, Kaoru Tsukamoto, Atsushi Okamura
2019	—	`conf`	First Demonstration of Bandwidth-Allocation Scheme for Network-Slicing-Based TDM-PON toward 5G and IoT Era. OFC Hiroyuki Uzawa, Kazuaki Honda, Hirotaka Nakamura, Yukio Hirano, Kenichi Nakura, Seiji Kozaki, Atsushi Okamura, Jun Terada
2019	J	`jnl`	Optimizing Space-Air-Ground Integrated Networks by Artificial Intelligence. IEEE Wirel. Commun. Nei Kato, Zubair Md Fadlullah, Fengxiao Tang, Bomin Mao, Shigenori Tani, Atsushi Okamura, Jiajia Liu
2019	—	`conf`	Overlap FDE with Signal Extraction Based on SIR Considering Time/Frequency Selectivity of Fading Channels. VTC Fall Akinori Nakajima, Hiroyasu Sano, Atsushi Okamura
2018	J	`jnl`	High-Speed Train Communications Standardization in 3GPP 5G NR. IEEE Commun. Stand. Mag. Fumihiro Hasegawa, Akinori Taira, Gosan Noh, Bing Hui, Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura, Junhwan Lee, Ilgyu Kim
2018	—	`conf`	Indoor Experimental Trial on Hybrid 16-Beam Spatial-Multiplexing for High SHF Wide-Band Massive MIMO in 5G. VTC Fall Manabu Sakai, Kenji Nakagawa, Hiroki Iura, Naofumi Iwayama, Akihiro Okazaki, Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Atsushi Okamura, Yukihiko Okumura
2018	—	`conf`	Non-Linear Precoding for 5G NR. CSCN Fumihiro Hasegawa, Hiroshi Nishimoto, Nuan Song, Mihail Enescu, Akinori Taira, Akihiro Okazaki, Atsushi Okamura
2018	J	`jnl`	Optimizing Space-Air-Ground Integrated Networks by Artificial Intelligence. CoRR Nei Kato, Zubair Md Fadlullah, Fengxiao Tang, Bomin Mao, Shigenori Tani, Atsushi Okamura, Jiajia Liu
2017	—	`conf`	3GPP standardization activities in relay based 5G high speed train scenarios for the SHF band. CSCN Fumihiro Hasegawa, Akinori Taira, Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura, Gosan Noh, Bing Hui, Junhwan Lee, Ilgyu Kim
2017	B	`conf`	Multi-Carrier Relaying for Successive Data Transfer in Earth Observation Satellite Constellations. GLOBECOM Shigenori Tani, Michiya Hayama, Hiroki Nishiyama, Nei Kato, Katsuyuki Motoyoshi, Atsushi Okamura
2017	J	`jnl`	NL-BMD: Nonlinear Block Multi-Diagonalization Precoding for High SHF Wide-Band Massive MIMO in 5G. IEICE Trans. Commun. Hiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura
2017	J	`jnl`	Performance Evaluation of NL-BMD Precoding over Analog-Digital Hybrid Beamforming for High SHF Wide-Band Massive MIMO in 5G. Int. J. Wirel. Inf. Networks Hiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura
2017	—	`conf`	Performance Evaluation of Nonlinear Precoding Based on 44 GHz Band Experiments for 5G Ultra High Capacity Massive MIMO. VTC Spring Kenji Nakagawa, Shigeru Uchida, Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Akinori Okazaki, Atsushi Okamura
2017	—	`conf`	Static sequence wrapped DFT-s-OFDM for high-speed train scenarios in high-SHF bands. EuCNC Fumihiro Hasegawa, Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura
2016	—	`conf`	An adaptive beam control technique for diversity gain maximization in LEO satellite to ground transmissions. ICC Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato
2016	—	`conf`	Block lower multi-diagonalization for multiuser MIMO downlink. WCNC Workshops Hiroshi Nishimoto, Hiroki Iura, Akinori Taira, Akihiro Okazaki, Atsushi Okamura
2016	B	`conf`	Block lower multi-diagonalization for multiuser MIMO downlink. WCNC Hiroshi Nishimoto, Hiroki Iura, Akinori Taira, Akihiro Okazaki, Atsushi Okamura
2016	B	`conf`	Nonlinear block multi-diagonalization precoding for high SHF wide-band massive MIMO in 5G. PIMRC Hiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura
2016	C	`conf`	Two-dimensional diversity with serial concatenation of spectral precoding and DSTBC. ISITA Kanako Yamaguchi, Nicolas Gresset, Hiroshi Nishimoto, Akihiro Okazaki, Shusaku Umeda, Kaoru Tsukamoto, Hiroyasu Sano, Atsushi Okamura
2015	—	`conf`	Cell Structure for High-Speed Land-Mobile Communications. VTC Fall Shusaku Umeda, Akihiro Okazaki, Hiroshi Nishimoto, Kaoru Tsukamoto, Kanako Yamaguchi, Atsushi Okamura
2015	J	`jnl`	Novel Dynamic and Static Methods for Out-of-Band Power Suppression in SC-OFDM. IEEE Wirel. Commun. Lett. Fumihiro Hasegawa, Akihiro Okazaki, Atsushi Okamura, Damien Castelain, Cristina Ciochina-Duchesne, Loïc Brunel, David Mottier
2015	—	`conf`	Performance Evaluation of 44GHz Band Massive MIMO Based on Channel Measurement. GLOBECOM Workshops Akinori Taira, Hiroki Iura, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Akihiro Okazaki, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura, Atsushi Okamura
2015	B	`conf`	Static sequence assisted out-of-band power suppression for DFT-s-OFDM. PIMRC Fumihiro Hasegawa, Shintaro Shinjo, Akihiro Okazaki, Atsushi Okamura, Loïc Brunel, David Mottier
2012	Misc	`conf`	Derivation of monopulse angle accuracy for phased array radar to achieve Cramer-Rao lower bound. ICASSP Ryuhei Takahashi, Kazufumi Hirata, Teruyuki Hara, Atsushi Okamura
2011	J	`jnl`	Separation of Mixtures of Complex Sinusoidal Signals with Independent Component Analysis. IEICE Trans. Commun. Tetsuo Kirimoto, Takeshi Amishima, Atsushi Okamura
2004	J	`jnl`	Wrapper-based bus implementation techniques for performance improvement and cost reduction. IEEE J. Solid State Circuits Kenichiro Anjo, Atsushi Okamura, Masato Motomura
2002	—	`conf`	NECoBus: a high-end SOC bus with a portable and low-latency wrapper-based interface mechanism. CICC Kenichiro Anjo, Atsushi Okamura, Tomoharu Kajiwarat, Noriko Mizushima, Masafumi Omori, Yasuaki Kuroda
2001	Misc	`conf`	A complex adaptive delay filter. ICASSP Katsuya Kusaba, Atsushi Okamura, Takashi Sekiguchi