Kazuhiro Uehara

According to our database, Kazuhiro Uehara authored at least 43 papers between 2000 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

An LED Lighting Sharing Method for Multi-User Spatially Parallel Signal Transmission in Visible Light Wireless Communications.

Yusei Hosokawa, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara

Proceedings of the 13th IEEE Global Conference on Consumer Electronics, 2024

2023

Adaptive Transmission Signal Allocation and Optimal Modulation Selection for LED Visible Light Wireless Communications by Spatially Parallel Signal Transmission.

Harutsuki Tanushi, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara

Proceedings of the 12th IEEE Global Conference on Consumer Electronics, 2023

2022

A Non-Linear Distortion Noise Canceller for Pre-Distortion Characteristic Error Compensation in LED Visible Light Communications.

Norihiro Tokui, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara

Proceedings of the 11th IEEE Global Conference on Consumer Electronics, 2022

2021

Coverage Improvement by Adaptive Bandwidth Control Corresponding to Radio Channel Fluctuation in Multi-Band IoT Systems with Spectrum Sharing Systems.

Wataru Okada, Shigeru Tomisato, Kazuhiro Uehara

Proceedings of the 20th International Symposium on Communications and Information Technologies, 2021

SINR Improvement by Adaptive Bandwidth Control in Multi-Band IoT Systems with Spectrum Sharing.

Kanta Haino, Shigeru Tomisato, Kazuhiro Uehara

Proceedings of the 20th International Symposium on Communications and Information Technologies, 2021

A Compensation Method for Both Amplitude Deviation of Frequency Response and Non-Linear Distortion in LED Visible Light Wireless Communications.

Takeru Fukuyama, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara

Proceedings of the 20th International Symposium on Communications and Information Technologies, 2021

2019

LED Lighting Arrangement for Spatially Parallel Signal Transmission in Visible Light Communication.

Yusuke Kamei, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara

Proceedings of the IEEE 8th Global Conference on Consumer Electronics, 2019

2017

Transmission quality improvement by LED back-off optimization for visible light wireless communications.

Takahiro Chikamori, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara

Proceedings of the 20th International Symposium on Wireless Personal Multimedia Communications, 2017

2016

High-Capacity Wireless Access Networks Using 920MHz Band for Wide-Area IoT/M2M Services.

Kazunori Akabane, Nobuaki Mochizuki, Shigeru Teruhi, Mamoru Kobayashi, Shuichi Yoshino, Masashi Shimizu, Kazuhiro Uehara

IEICE Trans. Commun., 2016

Interference alignment and power allocation for multi-user MIMO interference channels.

Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara

Proceedings of the 2016 IEEE International Conference on Communications, 2016

Joint Interference Alignment and Power Allocation under Perfect and Imperfect CSI.

Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara

Proceedings of the 2016 IEEE Global Communications Conference, 2016

2015

Concurrent Multi-Band Mixer with Independent and Linear Gain Control.

Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki

IEICE Trans. Electron., 2015

2014

A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding.

Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2014

Spatial Division Transmission without Signal Processing for MIMO Detection Utilizing Two-Ray Fading.

Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2014

2013

Performance Evaluation of Short-Range MIMO Using a Method for Controlling Phase Difference between Each Propagation Channel.

Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2013

Nonlinear Modeling and Analysis on Concurrent Amplification of Dual-Band Gaussian Signals.

Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki, Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Kazuhiro Uehara

IEICE Trans. Electron., 2013

2012

Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in Flexible Wireless System.

Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Kazunori Akabane, Kazuhiro Uehara

IEICE Trans. Commun., 2012

Foreword.

Kazuhiro Uehara

IEICE Trans. Commun., 2012

Effectiveness of Short-Range MIMO Using Dual-Polarized Antenna.

Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kazuhiro Uehara

IEICE Trans. Commun., 2012

Spectrum Sensing for Networked System Using 1-Bit Compressed Sensing with Partial Random Circulant Measurement Matrices.

Doohwan Lee, Tatsuya Sasaki, Takayuki Yamada, Kazunori Akabane, Yo Yamaguchi, Kazuhiro Uehara

Proceedings of the 75th IEEE Vehicular Technology Conference, 2012

1-bit compressed sensing with edge detection for compressed radio wave data transfer.

Takayuki Yamada, Doohwan Lee, Hideki Toshinaga, Kazunori Akabane, Yo Yamaguchi, Kazuhiro Uehara

Proceedings of the 18th Asia-Pacific Conference on Communications, 2012

Sparse-matrix-based compressed sensing for spectrum sensing in Flexible Wireless System.

Doohwan Lee, Yoshiyuki Kabashima, Koujin Takeda, Takayuki Yamada, Kazunori Akabane, Kazuhiro Uehara

Proceedings of the 18th Asia-Pacific Conference on Communications, 2012

2011

A Low-Noise, High-Gain Quasi-Millimeter-Wave Receiver MMIC with a Very High Degree of Integration Using 3D-MMIC Technology.

Takana Kaho, Yo Yamaguchi, Kazuhiro Uehara, Kiyomichi Araki

IEICE Trans. Electron., 2011

Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave.

Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kenjiro Nishikawa, Ichihiko Toyoda, Kazuhiro Uehara

IEICE Trans. Commun., 2011

Signal separation and reconstruction method for simultaneously received multi-system signals in a unified wireless system.

Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara

Proceedings of the 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2011

2010

An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMIC.

Yo Yamaguchi, Takana Kaho, Motoharu Sasaki, Kenjiro Nishikawa, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki

IEICE Trans. Electron., 2010

Combined Nyquist and Compressed Sampling Method for Radio Wave Data Compression of a Heterogeneous Network System.

Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara

IEICE Trans. Commun., 2010

2008

A Very Low Spurious X-Band Frequency Quadrupler with Very High Integration Using 3D-MMIC Technology.

Yo Yamaguchi, Takana Kaho, Kazuhiro Uehara

IEICE Trans. Electron., 2008

Performance Evaluation of an Autonomous Adaptive Base Station that Supports Multiple Wireless Network Systems.

Kazunori Akabane, Hiroyuki Shiba, Munehiro Matsui, Kazuhiro Uehara

IEICE Trans. Commun., 2008

Prototype of a Cognitive Radio System with Cooperative Sensing and Interference Alerting.

Munehiro Matsui, Kazunori Akabane, Hiroyuki Shiba, Kazuhiro Uehara

Proceedings of the 3rd International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2008

2007

A Miniaturized In-Phase Power Divider with a DC Block Function.

Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa

IEICE Trans. Electron., 2007

Miniaturized Broadband Lumped-Element In-Phase Power Dividers.

Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa

IEICE Trans. Electron., 2007

An Active Terminal Circuit and Its Application to a Distributed Amplifier.

Hitoshi Hayashi, Munenari Kawashima, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa

IEICE Trans. Electron., 2007

A Novel Cooperative Sensing Technique for Cognitive Radio.

Munehiro Matsui, Hiroyuki Shiba, Kazunori Akabane, Kazuhiro Uehara

Proceedings of the IEEE 18th International Symposium on Personal, 2007

2005

IEEE 802.11 wireless LAN implemented on software defined radio with hybrid programmable architecture.

Takashi Shono, Yushi Shirato, Hiroyuki Shiba, Kazuhiro Uehara, Katsuhiko Araki, Masahiro Umehira

IEEE Trans. Wirel. Commun., 2005

2003

Proposal and evaluation of security schemes for software-defined radio.

Hiroyuki Shiba, Kazuhiro Uehara, Katsuhiko Araki

Proceedings of the IEEE 14th International Symposium on Personal, 2003

Performance of IEEE 802.11 wireless LAN implemented on software defined radio with hybrid programmable architecture.

Takashi Shono, Hiroyuki Shiba, Yushi Shirato, Kazuhiro Uehara, Katsuhiko Araki, Masahiro Umehira

Proceedings of IEEE International Conference on Communications, 2003

2002

Design and evaluation of software radio program on multiprocessor architecture platform for full-duplex real-time communication.

Kazuhiro Uehara, Yasuo Suzuki, Hiroyuki Shiba, Hiroyuki Tanaka, Yusuke Asai, Takashi Shono, Shuji Kubota

Proceedings of the 12th IEEE International Symposium on Personal, 2002

Design and performance evaluation of software defined radio prototype for PHS and IEEE 802.11 wireless LAN.

Kazuhiro Uehara, Hiroyuki Shiba, Takashi Shono, Yushi Shirato, Hiroshi Yoshioka, Masashi Nakatsugawa, Shuji Kubota, Masahiro Umehira

Proceedings of the 13th IEEE International Symposium on Personal, 2002

Proposal and evaluation of system diversity for software defined radio.

Takashi Shono, Kazuhiro Uehara, Shuji Kubota

Proceedings of the IEEE International Conference on Communications, 2002

2001

Design and evaluation of software radio prototype with over-the-air download function.

Hiroyuki Shiba, Takashi Shono, Kazuhiro Uehara, Shuji Kubota

Proceedings of the 54th IEEE Vehicular Technology Conference, 2001

2000

Design of software radio for cellular communication systems and wireless LANs.

Kazuhiro Uehara, Hiroyuki Tanaka, Hiroyuki Shiba, Yasuo Suzuki, Masashi Nakatsugawa, Yushi Shirato, Shuji Kubota

Proceedings of the 11th IEEE International Symposium on Personal, 2000

Relationships among Differential, Truncated Differential, Impossible Differential Cryptanalyses against Word-Oriented Block Ciphers like RIJNDAEL, E2.

Makoto Sugita, Kazukuni Kobara, Kazuhiro Uehara, Shuji Kubota, Hideki Imai

Proceedings of the Third Advanced Encryption Standard Candidate Conference, 2000