Kazuhiro Uehara

46 papers B 6C 2Journal 21Unranked 16
YearRankTypeTitle / Venue / Authors
2024 — conf
An LED Lighting Sharing Method for Multi-User Spatially Parallel Signal Transmission in Visible Light Wireless Communications.
GCCE
Yusei Hosokawa, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara
2023 — conf
Adaptive Transmission Signal Allocation and Optimal Modulation Selection for LED Visible Light Wireless Communications by Spatially Parallel Signal Transmission.
GCCE
Harutsuki Tanushi, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara
2022 — conf
A Non-Linear Distortion Noise Canceller for Pre-Distortion Characteristic Error Compensation in LED Visible Light Communications.
GCCE
Norihiro Tokui, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara
2021 — conf
A Compensation Method for Both Amplitude Deviation of Frequency Response and Non-Linear Distortion in LED Visible Light Wireless Communications.
ISCIT
Takeru Fukuyama, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara
2021 — conf
Coverage Improvement by Adaptive Bandwidth Control Corresponding to Radio Channel Fluctuation in Multi-Band IoT Systems with Spectrum Sharing Systems.
ISCIT
Wataru Okada, Shigeru Tomisato, Kazuhiro Uehara
2021 — conf
SINR Improvement by Adaptive Bandwidth Control in Multi-Band IoT Systems with Spectrum Sharing.
ISCIT
Kanta Haino, Shigeru Tomisato, Kazuhiro Uehara
2019 — conf
LED Lighting Arrangement for Spatially Parallel Signal Transmission in Visible Light Communication.
GCCE
Yusuke Kamei, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara
2018 J jnl
Foreword.
IEICE Trans. Commun.
Kazuhiro Uehara
2017 — conf
Transmission quality improvement by LED back-off optimization for visible light wireless communications.
WPMC
Takahiro Chikamori, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara
2016 J jnl
High-Capacity Wireless Access Networks Using 920MHz Band for Wide-Area IoT/M2M Services.
IEICE Trans. Commun.
Kazunori Akabane, Nobuaki Mochizuki, Shigeru Teruhi, Mamoru Kobayashi, Shuichi Yoshino, Masashi Shimizu, Kazuhiro Uehara
2016 — conf
Interference alignment and power allocation for multi-user MIMO interference channels.
ICC
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara
2016 B conf
Joint Interference Alignment and Power Allocation under Perfect and Imperfect CSI.
GLOBECOM
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara
2015 J jnl
Concurrent Multi-Band Mixer with Independent and Linear Gain Control.
IEICE Trans. Electron.
Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki
2014 J jnl
A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding.
IEICE Trans. Commun.
Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2014 J jnl
Spatial Division Transmission without Signal Processing for MIMO Detection Utilizing Two-Ray Fading.
IEICE Trans. Commun.
Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2013 J jnl
Nonlinear Modeling and Analysis on Concurrent Amplification of Dual-Band Gaussian Signals.
IEICE Trans. Electron.
Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki, Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Kazuhiro Uehara
2013 J jnl
Performance Evaluation of Short-Range MIMO Using a Method for Controlling Phase Difference between Each Propagation Channel.
IEICE Trans. Commun.
Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2012 C conf
1-bit compressed sensing with edge detection for compressed radio wave data transfer.
APCC
Takayuki Yamada, Doohwan Lee, Hideki Toshinaga, Kazunori Akabane, Yo Yamaguchi, Kazuhiro Uehara
2012 J jnl
Effectiveness of Short-Range MIMO Using Dual-Polarized Antenna.
IEICE Trans. Commun.
Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kazuhiro Uehara
2012 J jnl
Foreword.
IEICE Trans. Commun.
Kazuhiro Uehara
2012 J jnl
Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in Flexible Wireless System.
IEICE Trans. Commun.
Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Kazunori Akabane, Kazuhiro Uehara
2012 C conf
Sparse-matrix-based compressed sensing for spectrum sensing in Flexible Wireless System.
APCC
Doohwan Lee, Yoshiyuki Kabashima, Koujin Takeda, Takayuki Yamada, Kazunori Akabane, Kazuhiro Uehara
2012 — conf
Spectrum Sensing for Networked System Using 1-Bit Compressed Sensing with Partial Random Circulant Measurement Matrices.
VTC Spring
Doohwan Lee, Tatsuya Sasaki, Takayuki Yamada, Kazunori Akabane, Yo Yamaguchi, Kazuhiro Uehara
2011 — ed.
6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCOM 2011, Osaka, Japan, June 1-3, 2011
CROWNCOM
Kazuhiro Uehara, Maria-Gabriella Di Benedetto, Akihiro Okazaki, Hitoshi Yoshino
2011 J jnl
A Low-Noise, High-Gain Quasi-Millimeter-Wave Receiver MMIC with a Very High Degree of Integration Using 3D-MMIC Technology.
IEICE Trans. Electron.
Takana Kaho, Yo Yamaguchi, Kazuhiro Uehara, Kiyomichi Araki
2011 J jnl
Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave.
IEICE Trans. Commun.
Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kenjiro Nishikawa, Ichihiko Toyoda, Kazuhiro Uehara
2011 — conf
Signal separation and reconstruction method for simultaneously received multi-system signals in a unified wireless system.
CrownCom
Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara
2010 J jnl
An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMIC.
IEICE Trans. Electron.
Yo Yamaguchi, Takana Kaho, Motoharu Sasaki, Kenjiro Nishikawa, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki
2010 J jnl
Combined Nyquist and Compressed Sampling Method for Radio Wave Data Compression of a Heterogeneous Network System.
IEICE Trans. Commun.
Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara
2010 J jnl
Foreword.
IEICE Trans. Commun.
Kazuhiro Uehara
2008 J jnl
A Very Low Spurious X-Band Frequency Quadrupler with Very High Integration Using 3D-MMIC Technology.
IEICE Trans. Electron.
Yo Yamaguchi, Takana Kaho, Kazuhiro Uehara
2008 J jnl
Performance Evaluation of an Autonomous Adaptive Base Station that Supports Multiple Wireless Network Systems.
IEICE Trans. Commun.
Kazunori Akabane, Hiroyuki Shiba, Munehiro Matsui, Kazuhiro Uehara
2008 — conf
Prototype of a Cognitive Radio System with Cooperative Sensing and Interference Alerting.
CrownCom
Munehiro Matsui, Kazunori Akabane, Hiroyuki Shiba, Kazuhiro Uehara
2007 J jnl
A Miniaturized In-Phase Power Divider with a DC Block Function.
IEICE Trans. Electron.
Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa
2007 B conf
A Novel Cooperative Sensing Technique for Cognitive Radio.
PIMRC
Munehiro Matsui, Hiroyuki Shiba, Kazunori Akabane, Kazuhiro Uehara
2007 J jnl
An Active Terminal Circuit and Its Application to a Distributed Amplifier.
IEICE Trans. Electron.
Hitoshi Hayashi, Munenari Kawashima, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa
2007 J jnl
Miniaturized Broadband Lumped-Element In-Phase Power Dividers.
IEICE Trans. Electron.
Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa
2005 J jnl
IEEE 802.11 wireless LAN implemented on software defined radio with hybrid programmable architecture.
IEEE Trans. Wirel. Commun.
Takashi Shono, Yushi Shirato, Hiroyuki Shiba, Kazuhiro Uehara, Katsuhiko Araki, Masahiro Umehira
2003 — conf
Performance of IEEE 802.11 wireless LAN implemented on software defined radio with hybrid programmable architecture.
ICC
Takashi Shono, Hiroyuki Shiba, Yushi Shirato, Kazuhiro Uehara, Katsuhiko Araki, Masahiro Umehira
2003 B conf
Proposal and evaluation of security schemes for software-defined radio.
PIMRC
Hiroyuki Shiba, Kazuhiro Uehara, Katsuhiko Araki
2002 B conf
Design and evaluation of software radio program on multiprocessor architecture platform for full-duplex real-time communication.
PIMRC
Kazuhiro Uehara, Yasuo Suzuki, Hiroyuki Shiba, Hiroyuki Tanaka, Yusuke Asai, Takashi Shono, Shuji Kubota
2002 B conf
Design and performance evaluation of software defined radio prototype for PHS and IEEE 802.11 wireless LAN.
PIMRC
Kazuhiro Uehara, Hiroyuki Shiba, Takashi Shono, Yushi Shirato, Hiroshi Yoshioka, Masashi Nakatsugawa, Shuji Kubota, Masahiro Umehira
2002 — conf
Proposal and evaluation of system diversity for software defined radio.
ICC
Takashi Shono, Kazuhiro Uehara, Shuji Kubota
2001 — conf
Design and evaluation of software radio prototype with over-the-air download function.
VTC Fall
Hiroyuki Shiba, Takashi Shono, Kazuhiro Uehara, Shuji Kubota
2000 B conf
Design of software radio for cellular communication systems and wireless LANs.
PIMRC
Kazuhiro Uehara, Hiroyuki Tanaka, Hiroyuki Shiba, Yasuo Suzuki, Masashi Nakatsugawa, Yushi Shirato, Shuji Kubota
2000 — conf
Relationships among Differential, Truncated Differential, Impossible Differential Cryptanalyses against Word-Oriented Block Ciphers like RIJNDAEL, E2.
AES Candidate Conference
Makoto Sugita, Kazukuni Kobara, Kazuhiro Uehara, Shuji Kubota, Hideki Imai