Tetsuro Imai - researchr alias

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Viewing Publication 1 - 51 from 51

2023

Directional beam antenna control in response to drone tiltsChikayo Hata, Takefumi Hiraguri, Takahiro Matsuda 0001, Tetsuro Imai, Jiro Hirokawa. icce-tw 2023: 653-654 [doi]

2022

2019

Radio Propagation Prediction Method Using Point Cloud Data Based on Hybrid of Ray-Tracing and Effective Roughness Model in Urban EnvironmentsMinoru Inomata, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura, Motoharu Sasaki, Yasushi Takatori. ieicet, 102-B(1):51-62, 2019. [doi]

Downlink Performance Using Vehicle Glass Mounted Antenna for 28-GHz Band in High Mobility EnvironmentMinoru Inomata, Tetsuro Imai, Toshiki Sayama, Osamu Kagaya, Shoji Itoh, Hideshi Murai, Daisuke Kitayama, Hideaki Shoji, Shoichi Takeuchi, Kiyoshi Nobuoka, Arne Simonsson, Peter Ökvist. vtc 2019: 1-5 [doi]

Study on Path Identification at 40 GHz Band in NLOS Urban Street Cell EnvironmentKoshiro Kitao, Tetsuro Imai, Minoru Inomata, Yukihiko Okumura, Takehiro Nakamura, Kiyoshi Yanagisawa, Taro Eichler, Wilhelm Keusgen. wcnc 2019: 1-4 [doi]

5G Radio Access Experiments on Distributed MIMO Deployment for Straightly Traveling Mobile Station with Beamforming in 28-GHz Frequency BandDaisuke Kitayama, Arne Simonsson, Peter Ökvist, Daisuke Kurita, Minoru Inomata, Kiichi Tateishi, Atsushi Harada, Tetsuro Imai, Yoshihisa Kishiyama, Shoji Itoh, Hideshi Murai. wcnc 2019: 1-6 [doi]

High Speed Mobility Experiments on Distributed MIMO Beamforming for 5G Radio Access in 28-GHz BandDaisuke Kitayama, Kiichi Tateishi, Daisuke Kurita, Atsushi Harada, Minoru Inomata, Tetsuro Imai, Yoshihisa Kishiyama, Hideshi Murai, Shoji Itoh, Arne Simonsson, Peter Ökvist. ieicet, 102-B(8):1418-1426, 2019. [doi]

Path Loss Model in Crowded Outdoor Environments Considering Multiple Human Body Shadowing of Multipath at 4.7GHz and 26.4GHzMitsuki Nakamura, Motoharu Sasaki, Wataru Yamada, Naoki Kita, Takeshi Onizawa, Yasushi Takatori, Masashi Nakatsugawa, Minoru Inomata, Koshiro Kitao, Tetsuro Imai. ieicet, 102-B(8):1676-1688, 2019. [doi]

2018

2017

A Survey of Efficient Ray-Tracing Techniques for Mobile Radio Propagation AnalysisTetsuro Imai. ieicet, 100-B(5):666-679, 2017. [doi]

Path Loss Model for Outdoor-to-Indoor Corridor Up to 40GHz Band in Microcell EnvironmentsMinoru Inomata, Motoharu Sasaki, Wataru Yamada, Takeshi Onizawa, Masashi Nakatsugawa, Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura. ieicet, 100-B(2):242-251, 2017. [doi]

Improving Accuracy of Ray-Tracing Prediction in Non Line-of-Sight (NLOS) Urban Street Cell Environment beyond 6GHzNobutaka Omaki, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura. ieicet, 100-B(4):566-574, 2017. [doi]

Frequency dependence of site-specific path loss in urban macro cell environments between 2 and 66 GHz bandsMotoharu Sasaki, Mitsuki Nakamura, Minoru Inomata, Wataru Yamada, Naoki Kita, Yasushi Takatori, Koshiro Kitao, Tetsuro Imai. pimrc 2017: 1-5 [doi]

Frequency Dependence of Path Loss with Wide Dynamic Range in Urban Macro Cells between 2 and 26 GHzMotoharu Sasaki, Mitsuki Nakamura, Minoru Inomata, Wataru Yamada, Naoki Kita, Koshiro Kitao, Tetsuro Imai, Yasushi Takatori. globecom 2017: 1-6 [doi]

2016

Cluster Power Variation Characteristics for 3GHz-Band MIMO Communication System in a Crowded Indoor EnvironmentKentaro Saito, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura. ieicet, 99-B(5):1131-1142, 2016. [doi]

2015

Interference Reduction Characteristics by Circular Array Based Massive MIMO in a Real Microcell EnvironmentRyochi Kataoka, Kentaro Nishimori, Ngochao Tran, Tetsuro Imai, Hideo Makino. ieicet, 98-B(8):1447-1455, 2015. [doi]

Path loss prediction model for 800 MHz to 37 GHz in NLOS microcell environmentKoshiro Kitao, Tetsuro Imai, Ngochao Tran, Nobutaka Omaki, Yukihiko Okumura, Minoru Inomata, Motoharu Sasaki, Wataru Yamada. pimrc 2015: 414-418 [doi]

Experimental Study on Ray Based Spatio-Temporal Channel Characteristics in Indoor EnvironmentKoshiro Kitao, Tetsuro Imai, Kentaro Saito, Yukihiko Okumura. ieicet, 98-B(5):798-805, 2015. [doi]

5G Radio Access: Requirements, Concept and Experimental TrialsTakehiro Nakamura, Anass Benjebbour, Yoshihisa Kishiyama, Satoshi Suyama, Tetsuro Imai. ieicet, 98-B(8):1397-1406, 2015. [doi]

Path Loss Variation Characteristics at 26GHz Band in Street Microcell EnvironmentMotoharu Sasaki, Wataru Yamada, Takatoshi Sugiyama, Tetsuro Imai. ieicet, 98-B(5):783-789, 2015. [doi]

Model for Estimating Effects of Human Body Shadowing in High Frequency BandsNgochao Tran, Tetsuro Imai, Yukihiko Okumura. ieicet, 98-B(5):773-782, 2015. [doi]

2014

Study on Characteristics of Human Body Shadowing in High Frequency Bands: Radio Wave Propagation Technology for Future Radio Access and Mobile Optical NetworksNgochao Tran, Tetsuro Imai, Yukihiko Okumura. vtc 2014: 1-5 [doi]

2013

Polarization Dispersion Characteristics of Propagation Paths in Urban Mobile Communication EnvironmentTetsuro Imai, Koshiro Kitao. ieicet, 96-B(10):2380-2388, 2013. [doi]

Elevation directional channel properties at BS to evaluate 3D beamformingKoshiro Kitao, Tetsuro Imai, Kentaro Saito, Yukihiko Okumura. ispacs 2013: 640-644 [doi]

Performance Evaluation of Adaptive Array Using ZF and MMSE Algorithms with Measured K-Factor and Correlation in Heterogeneous NetworksKentaro Nishimori, Keisuke Kusumi, Misaki Horio, Koshiro Kitao, Tetsuro Imai. vtc 2013: 1-5 [doi]

K-Factor in Heterogeneous NetworksKentaro Nishimori, Keisuke Kusumi, Misaki Horio, Koshiro Kitao, Tetsuro Imai. ieicet, 96-B(6):1256-1264, 2013. [doi]

Dynamic Channel Modeling Using Particle Filtering for Wireless MIMO Systems in Urban EnvironmentKentaro Saito, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura. ieicet, 96-B(10):2372-2379, 2013. [doi]

2012

Development and Experimental Evaluation of Cyclostationarity-Based Signal Identification Equipment for Cognitive RadiosHiroki Harada, Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama, Yoshiki Okano, Tetsuro Imai. ieicet, 95-B(4):1100-1108, 2012. [doi]

2011

2010

Time-Varying Path-Shadowing Model for Indoor Populated EnvironmentsIppei Kashiwagi, Tokio Taga, Tetsuro Imai. tvt, 59(1):16-28, 2010. [doi]

2009

2008

Radio channel simulation for microcell line-of-sight scenarioMir Ghoraishi, Jun-ichi Takada, Tetsuro Imai. ieiceee, 5(8):235-241, 2008. [doi]

2007

Analysis of DSRC Service Over-Reach inside an Arched TunnelGilbert Siy Ching, Mir Ghoraishi, Navarat Lertsirisopon, Jun-ichi Takada, Itoji Sameda, Hironori Sakamoto, Tetsuro Imai. jsac, 25(8):1517-1525, 2007. [doi]

A Path Shadowing Model Focused on the Effects of Human Activities in Indoor EnvironmentsIppei Kashiwagi, Tokio Taga, Tetsuro Imai. vtc 2007: 889-893 [doi]

2006

2001

Delay profile measurement system using common pilot channel for W-CDMA cellular systemTetsuro Imai, Shinichi Mori. vtc 2001: 2698-2702 [doi]

1996

Indoor micro cell area prediction system using ray-tracing for mobile communication systemsTetsuro Imai, Teruya Fujii. pimrc 1996: 24-28 [doi]

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