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Publication search results
found 107 matches
- 2021
- Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura:
28 GHz-Band Experimental Trial Using the Shinkansen in Ultra High-Mobility Environment for 5G Evolution. IEICE Trans. Commun. 104-B(9): 1000-1008 (2021) - Nobuhide Nonaka, Satoshi Suyama, Tatsuki Okuyama, Kazushi Muraoka, Yukihiko Okumura:
Two-Step User Selection Algorithm in Multi-User Massive MIMO with Hybrid Beamforming for 5G Evolution. IEICE Trans. Commun. 104-B(9): 1089-1096 (2021) - Tatsuki Okuyama, Nobuhide Nonaka, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai:
Base Station Cooperation Technologies Using 28GHz-Band Digital Beamforming in High-Mobility Environments. IEICE Trans. Commun. 104-B(9): 1009-1016 (2021) - 2020
- 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:
Experimental Field Trials on MU-MIMO Transmissions for High SHF Wide-Band Massive MIMO in 5G. IEEE Trans. Wirel. Commun. 19(4): 2196-2207 (2020) - Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura:
28 GHz-Band Experimental Trial at 283 km/h Using the Shinkansen for 5G Evolution. VTC Spring 2020: 1-5 - Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai:
Two Millimeter-Wave Base Station Cooperation Technologies in High-Mobility Environments for 5G Evolution. VTC Spring 2020: 1-5 - Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai:
Outdoor Experimental Trials of Millimeter-Wave Base Station Cooperation with Digital Beamforming in High-Mobility Environments for 5G Evolution. VTC Fall 2020: 1-5 - 2019
- Takumi Higuchi, Hideki Shingu, Noriyuki Shimizu, Takeshi Miyagoshi, Hiroaki Asano, Yoshifumi Morihiro, Yukihiko Okumura:
Real-Time Video Streaming Based on TFRC Using Communication Logging for 5G HetNet. IEICE Trans. Commun. 102-B(8): 1538-1546 (2019) - Minoru Inomata, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura, Motoharu Sasaki, Yasushi Takatori:
Radio Propagation Prediction Method Using Point Cloud Data Based on Hybrid of Ray-Tracing and Effective Roughness Model in Urban Environments. IEICE Trans. Commun. 102-B(1): 51-62 (2019) - Yi Jiang, Kenichiro Yamazaki, Toshihiro Hayata, Kohei Izui, Kanada Nakayasu, Toshifumi Sato, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura:
Performance Evaluation of Downlink Multi-User Massive MIMO with Configurable Active Antenna System and Inter Access Point Coordination in Low-SHF-Band. IEICE Trans. Commun. 102-B(8): 1401-1410 (2019) - Takaharu Kobayashi, Masafumi Tsutsui, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa, Chiyoshi Akiyama, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura:
Experimental Study of Large-Scale Coordinated Multi-User MIMO for 5G Ultra High-Density Distributed Antenna Systems. IEICE Trans. Commun. 102-B(8): 1390-1400 (2019) - Yukihiko Okumura, Satoshi Suyama, Jun Mashino, Kazushi Muraoka:
Recent Activities of 5G Experimental Trials on Massive MIMO Technologies and 5G System Trials Toward New Services Creation. IEICE Trans. Commun. 102-B(8): 1352-1362 (2019) - Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Kazushi Muraoka, Kohei Izui, Kenichiro Yamazaki, Yukihiko Okumura:
Performance Evaluation of Low Complexity Digital Beamforming Algorithms by Link-Level Simulations and Outdoor Experimental Trials for 5G Low-SHF-Band Massive MIMO. IEICE Trans. Commun. 102-B(8): 1382-1389 (2019) - Yuta Takahashi, Tatsuki Okuyama, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura:
Field Trial of 28GHz Band 5G Downlink Massive MIMO Employing Beam Tracking in Railway Environment. IEICE Trans. Commun. 102-B(8): 1411-1417 (2019) - Shohei Yoshioka, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura:
Digital Beamforming Algorithm for 5G Low-SHF Band Massive MIMO. IEICE Trans. Commun. 102-B(8): 1371-1381 (2019) - Yukihiko Okumura:
R&D Activities for 5G Radio Access Technologies Using SHF Bands and Co-Creation of New Services Using 5G. VLSI-DAT 2019: 1 - Shinya Kumagai, Morihiko Minowa, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura, Takaharu Kobayashi, Teppei Oyama, Chiyoshi Akiyama, Masafumi Tsutsui, Daisuke Jitsukawa, Takashi Seyama, Takashi Dateki, Hiroyuki Seki:
Experimental Trials of 5G Ultra High-Density Distributed Antenna Systems. VTC Fall 2019: 1-5 - Morihiko Minowa, Hiroyuki Seki, Yukihiko Okumura, Satoshi Suyama, Jun Terada, Satoshi Shigematsu, Yasushi Takatori, Hiroaki Asano, Yukio Hirano, Yasushi Yamao, Fumiyuki Adachi, Masataka Nakazawa:
5G R&D Activities for High Capacity Technologies with Ultra High-Density Multi-Band and Multi-Access Layered Cells. VTC Spring 2019: 1-5 - Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Kenichiro Kamohara, Manabu Sakai, Hiroki Iura, Masayuki Nakazawa, Yukihiko Okumura:
Indoor Experimental Trial in High SHF Wide-Band Massive MIMO Hybrid Beamforming. VTC Fall 2019: 1-5 - Yukihiko Okumura, Satoshi Suyama, Naoto Ishii, Yasushi Maruta, Akihiro Okazaki, Atsushi Okamura, Jun Terada, Takeshi Onizawa:
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 2019: 1-5 - Tatsuki Okuyama, Kazushi Muraoka, Shinsuke Ibi, Takumi Takahashi, Satoshi Suyama, Jun Mashino, Seiichi Sampei, Yukihiko Okumura:
Uplink Multi-User Massive MIMO Using Gaussian BP in Highly Correlated Actual Environments. VTC Fall 2019: 1-5 - Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa, Satoshi Suyama, Yukihiko Okumura:
Parameter Estimation for Block Diagonalization Based Hybrid Beamforming in Massive MIMO Communications. VTC Fall 2019: 1-5 - Masaaki Yoshino, Hideki Shingu, Hiroaki Asano, Yoshifumi Morihiro, Yukihiko Okumura:
Optimal Cell Selection Method for 5G Heterogeneous Network. VTC Spring 2019: 1-5 - Koshiro Kitao, Tetsuro Imai, Minoru Inomata, Yukihiko Okumura, Takehiro Nakamura, Kiyoshi Yanagisawa, Taro Eichler, Wilhelm Keusgen:
Study on Path Identification at 40 GHz Band in NLOS Urban Street Cell Environment. WCNC 2019: 1-4 - Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Yukihiko Okumura:
Two-Step User Selection Algorithm for Multi-User Massive MIMO with Hybrid Beamforming. WPMC 2019: 1-5 - 2018
- Ngochao Tran, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura, Takehiro Nakamura, Hiroshi Tokuda, Takao Miyake, Robin Wang, Zhu Wen, Hajime Kitano, Roger Nichols:
Scattering Characteristics of the Human Body in 67-GHz Band. IEICE Trans. Commun. 101-B(6): 1434-1442 (2018) - Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura:
Cell selection scheme for handover reduction based on moving direction and velocity of UEs for 5G multi-layered radio access networks. ICOIN 2018: 362-367 - Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura, Kohei Izui, Kenichiro Yamazaki:
5G Experimental Trials of 4.5 GHz Band Digital Beamforming in Dense Urban Area. PIMRC 2018: 1130-1131 - Yuta Takahashi, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura:
5G Downlink Throughput Performance of 28 GHz Band Experimental Trial at 300 km/h. PIMRC 2018: 1140-1141 - Anass Benjebbour, Yoshihisa Kishiyama, Yukihiko Okumura, Chien-Hwa Hwang, I-Kang Fu:
Outdoor Experimental Trials of Advanced Downlink NOMA Using Smartphone-Sized Devices. VTC Spring 2018: 1-6
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