Kiyomichi Araki

144 papers B 24C 1Misc 2Journal 86Unranked 31
YearRankTypeTitle / Venue / Authors
2023 — conf
Experiment of Multi-UAV Full-Duplex System Equipped with Directional Antennas.
CCNC
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Experiment of Multi-UAV Full-Duplex System Equipped with Directional Antennas.
CoRR
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Full-Duplex Aerial Communication System for Multiple UAVs with Directional Antennas.
CCNC
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Full-Duplex Aerial Communication System for Multiple UAVs with Directional Antennas.
CoRR
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Ground Experiment of Full-Duplex Multi-UAV System Enabled by Directional Antennas.
CCWC
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Ground Experiment of Full-Duplex Multi-UAV System Enabled by Directional Antennas.
CoRR
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Spectrum Sharing between Directional-Antenna- Equipped UAV System and Terrestrial Systems.
CoRR
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Spectrum Sharing between Directional-Antenna-Equipped UAV System and Terrestrial Systems.
CCWC
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2021 J jnl
Analysis of Intersymbol Interference Characterized by the Large Array Antennas Adopted in a 60-GHz-Band Gigabit Compact-Range Wireless Access System.
IEEE Access
Miao Zhang, Masahiro Wakasa, Koji Toyosaki, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando
2021 J jnl
Design of Ultra-Thin Wave Absorber with Square Patch Array Considering Electromagnetic Coupling between Patch Array and Back-Metal.
IEICE Trans. Electron.
Sota Matsumoto, Ryosuke Suga, Kiyomichi Araki, Osamu Hashimoto
2021 — conf
Multi-UAV Full-Duplex Communication Systems for Joint Video Transmission and Flight Control.
CCWC
Tao Yu, Shunya Imada, Kiyomichi Araki, Kei Sakaguchi
2020 J jnl
Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band.
IEICE Trans. Commun.
Tuchjuta Ruckkwaen, Takashi Tomura, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando
2019 J jnl
A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions.
IEICE Trans. Commun.
Maki Arai, Kei Sakaguchi, Kiyomichi Araki
2018 J jnl
A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions.
CoRR
Maki Arai, Kei Sakaguchi, Kiyomichi Araki
2018 J jnl
A cross polarization suppression of circular patch array absorber with perturbation elements.
IEICE Electron. Express
Daisuke Kitahara, Ryosuke Suga, Kiyomichi Araki, Osamu Hashimoto
2018 J jnl
Winding Ratio Design of Transformer in Equivalent Circuit of Circular Patch Array Absorber.
IEICE Trans. Electron.
Ryosuke Suga, Tomohiko Nakamura, Daisuke Kitahara, Kiyomichi Araki, Osamu Hashimoto
2017 J jnl
Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion.
CoRR
Maki Arai, Masashi Iwabuchi, Kei Sakaguchi, Kiyomichi Araki
2017 J jnl
Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion.
IEICE Trans. Commun.
Maki Arai, Masashi Iwabuchi, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Diamond Cellular Network - Optimal Combination of Small Power Basestations and CoMP Cellular Networks -.
IEICE Trans. Commun.
Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shinobu Nanba, Satoshi Konishi
2016 J jnl
Experimental Study on Battery-Less Sensor Network Activated by Multi-Point Wireless Energy Transmission.
IEICE Trans. Commun.
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Experimental Study on Battery-less Sensor Network Activated by Multi-point Wireless Energy Transmission.
CoRR
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Practical Implementation of Spectrum Sensing and Signal Detection for Satellite Broadcasting Systems.
IEICE Trans. Commun.
Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 — conf
Practical evaluation of on-demand smallcell ON/OFF based on traffic model for 5G cellular networks.
WCNC Workshops
Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki
2016 B conf
Practical evaluation of on-demand smallcell ON/OFF based on traffic model for 5G cellular networks.
WCNC
Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Robust and Low Complexity Bandwidth and Carrier Frequency Estimation for Cognitive Radio.
IEICE Trans. Commun.
Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Study on RCS Reduction of Patch Array Using Switchable Absorption/Transmission Surface.
IEICE Trans. Electron.
Shinya Kitagawa, Ryosuke Suga, Osamu Hashimoto, Kiyomichi Araki
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
2015 J jnl
Dual-Polarization RCS Reduction of X-Band Antenna Using Switchable Reflector.
IEICE Trans. Electron.
Shinya Kitagawa, Ryosuke Suga, Kiyomichi Araki, Osamu Hashimoto
2015 B conf
Dynamic cell activation and user association for green 5G heterogeneous cellular networks.
PIMRC
Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki
2015 J jnl
Experimental Validation of Digital Pre-distortion Technique for Dual-band Dual-signal Amplification by Single Feedback Architecture Employing Dual-band Mixer.
IEICE Trans. Electron.
Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki, Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Tadao Nakagawa
2015 — conf
Investigation on millimeter-wave spectrum for 5G.
CSCN
Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2014 B conf
Cell association method for multiband heterogeneous networks.
PIMRC
Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Shinobu Nanba, Takahiro Hayashi, Kei Sakaguchi, Satoshi Konishi
2014 J jnl
Complexity-Reduced Low Noise Matching Design of Receiver Front-end Amplifiers with Mutually Coupled 2×2 MIMO Antennas.
IEICE Trans. Electron.
Jaeho Jeong, Gia Khanh Tran, Kiyomichi Araki
2014 J jnl
Experiments Validating the Effectiveness of Multi-Point Wireless Energy Transmission with Carrier Shift Diversity.
IEICE Trans. Commun.
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Minoru Furukawa
2014 J jnl
Experiments Validating the Effectiveness of Multi-point Wireless Energy Transmission with Carrier Shift Diversity.
CoRR
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Minoru Furukawa
2014 J jnl
Large Scale Cooperation in Cellular Networks with Non-uniform User Distribution.
IEICE Trans. Commun.
Roya E. Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Satoshi Konishi
2013 J jnl
An Efficient Relay Node Placement Scheme for Two-Way MIMO Multi-Hop Networks in Practical Indoor Environments.
IEEE Trans. Wirel. Commun.
Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2013 J jnl
An Efficient Relay Placement Method with Power Allocation for MIMO Two-Way Multi-Hop Networks.
IEICE Trans. Commun.
Gia Khanh Tran, Rindranirina Ramamonjison, Kei Sakaguchi, Kiyomichi Araki
2013 — conf
Cloud cooperated heterogeneous cellular networks.
ISPACS
Kei Sakaguchi, Seiichi Sampei, Hidekazu Shimodaira, Roya E. Rezagah, Gia Khanh Tran, Kiyomichi Araki
2013 — conf
Diamond cellular network - Optimal combination of small power basestations and CoMP cellular networks-.
PIMRC Workshops
Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Kei Sakaguchi, Satoshi Konishi, Shinobu Nanba
2013 J jnl
Distributed Power Control Network and Green Building Test-Bed for Demand Response in Smart Grid.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kei Sakaguchi, Van Ky Nguyen, Tao Yu, Gia Khanh Tran, Kiyomichi Araki
2013 J jnl
Distributed Power Control Network and Green Building Test-bed for Demand Response in Smart Grid
CoRR
Kei Sakaguchi, Van Ky Nguyen, Tao Yu, Gia Khanh Tran, Kiyomichi Araki
2013 B conf
Experiment on MIMO cognitive radio using Tx/Rx beamforming.
PIMRC
Ryosuke Iwata, Vutha Va, Kei Sakaguchi, Kiyomichi Araki
2013 B conf
Experiment on battery-less sensor activation via multi-point wireless energy transmission.
PIMRC
Daiki Maehara, Ryota Akai, Gia Khanh Tran, Kei Sakaguchi, Seiichi Sampei, Kiyomichi Araki, Hiroshi Iwai
2013 — conf
Large scale cooperation in cellular networks with non-uniform user distribution.
GLOBECOM Workshops
Roya E. Rezagah, Daisuke Matsuo, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Satoshi Konishi
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
Optimization of Picocell Locations and Its Parameters in Heterogeneous Networks with Hotspots.
IEICE Trans. Commun.
Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi
2013 J jnl
Simple Linearity Analysis of Passive Mixer Based on DC Characteristics of MOS FET.
IEICE Trans. Electron.
Yohei Morishita, Kiyomichi Araki
2012 — conf
Design of Predistorter Using Measured Nonlinear Characteristics of Power Amplifier with Memory Effect.
VTC Spring
Yasuyuki Oishi, Shigekazu Kimura, Daisuke Takago, Yoshimasa Daido, Kiyomichi Araki, Eisuke Fukuda, Takeshi Takano
2012 J jnl
Design of Predistorter with Efficient Updating Algorithm of Power Amplifier with Memory Effect.
IEICE Trans. Electron.
Yasuyuki Oishi, Shigekazu Kimura, Eisuke Fukuda, Takeshi Takano, Daisuke Takago, Yoshimasa Daido, Kiyomichi Araki
2012 J jnl
Design of a Direct Sampling Mixer with a Complex Coefficient Transfer Function.
IEICE Trans. Electron.
Yohei Morishita, Noriaki Saito, Koji Takinami, Kiyomichi Araki
2012 — conf
Distributed Optimization of Transceiver Weights in MIMO Two-Way Multihop Networks.
VTC Spring
Rindranirina Ramamonjison, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2012 B conf
Experiment on MIMO two-way relaying using transmit beamforming.
PIMRC
Vutha Va, Keiichi Mizutani, Yutaro Kida, Kei Sakaguchi, Kiyomichi Araki, Takehiro Miyamoto
2012 — conf
Experimental study on multi-point wireless energy transmission at 950 MHz band.
ISSSE
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Takehiro Miyamoto, Minoru Furukawa
2012 Misc conf
Multi-sensor location estimation for illegal cell-phone use in real-life indoor environment.
ICCS
Kentaro Sano, Gia Khanh Tran, Masahiro Watanabe, Kei Sakaguchi, Kiyomichi Araki, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata
2012 — conf
Network Synchronization Scheme for Scalable Two-Way Multi-Hop Network Employing MIMO Network Coding.
VTC Spring
Yutaro Kida, Keiichi Mizutani, Gia Khanh Tran, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Optimal Low Noise Single Front-End MIMO Receiver System with Parasitic Antenna Element.
IEICE Trans. Electron.
Jaeho Jeong, Gia Khanh Tran, Kiyomichi Araki
2012 B conf
Optimization of picocell locations and its parameters in heterogeneous networks with hotspots.
PIMRC
Hidekazu Shimodaira, Gia Khanh Tran, Shinichi Tajima, Kei Sakaguchi, Kiyomichi Araki, Noriaki Miyazaki, Shoji Kaneko, Satoshi Konishi, Yoji Kishi
2012 J jnl
Performance Analysis of MIMO Relay Network via Propagation Measurement in L-Shaped Corridor Environment.
IEICE Trans. Commun.
Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Performance Comparison between Open Loop and Closed Loop MIMO-OFDM Schemes Using Analytical Approach.
IEICE Trans. Commun.
Minjee Kim, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Practical data compression in wireless sensor networks: A survey.
J. Netw. Comput. Appl.
Tossaporn Srisooksai, Kamol Keamarungsi, Poonlap Lamsrichan, Kiyomichi Araki
2012 — conf
Proportionally Fair User Scheduling for Multiuser MIMO Systems with Unequal Average SNR Users.
VTC Spring
Yuyuan Chang, Kiyomichi Araki
2012 J jnl
Prototype Hardware for TDD Two-Way Multi-Hop Relay Network Using MIMO Network Coding.
IEICE Trans. Commun.
Keiichi Mizutani, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki
2012 — conf
Relay Placement of Two-Way Multi-Hop Relay Network with Power Adaptation in a Realistic Shadowing Environment.
VTC Spring
Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2012 — conf
Shared Remote Radio Head architecture to realize semi-dynamic clustering in CoMP cellular networks.
GLOBECOM Workshops
Daisuke Matsuo, Roya E. Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi
2012 J jnl
Single Front-End MIMO Architecture with Parasitic Antenna Elements.
IEICE Trans. Commun.
Mitsuteru Yoshida, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Study on Resource Optimization for Heterogeneous Networks.
IEICE Trans. Commun.
Gia Khanh Tran, Shinichi Tajima, Rindranirina Ramamonjison, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi
2012 Misc conf
Theoretical analysis of ICI reduction methods due to phase noise and frequency offset in OFDM systems.
ICCS
Gia Khanh Tran, Kei Obara, Alden Ho Chun Hoe, Kiyomichi Araki
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 B conf
A study on beam tilt angle of base station antennas for Base Station Cooperation systems.
PIMRC
Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki, Takayuki Sotoyama
2011 B conf
A study on design of spatial fading emulator based on Clarke's model.
PIMRC
Daisuke Matsuo, Maki Arai, Kei Sakaguchi, Kiyomichi Araki
2011 J jnl
Detailed Analysis of Multilayer Broad-Side Coupler with a Symmetric Structure.
IEICE Trans. Electron.
Hiroshi Okazaki, Kiyomichi Araki
2011 J jnl
Dynamic Fractional Base Station Cooperation Using Shared Distributed Remote Radio Units for Advanced Cellular Networks.
IEICE Trans. Commun.
Naoki Kusashima, Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi
2011 J jnl
Iterative Determination of Phase Reference in IMD Measurement to Characterize Nonlinear Behavior, and to Derive Inverse, for Power Amplifier with Memory Effect.
IEICE Trans. Electron.
Yasuyuki Oishi, Shigekazu Kimura, Eisuke Fukuda, Takeshi Takano, Yoshimasa Daido, Kiyomichi Araki
2011 J jnl
Performance Analysis of a 10-Gb/s Millimeter-Wave Impulse Radio Transmitter.
IEICE Trans. Electron.
Yasuhiro Nakasha, Naoki Hara, Kiyomichi Araki
2011 J jnl
Simplified Block Diagonalization for Multiuser MIMO Systems with Gram-Schmidt Orthogonalization.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuyuan Chang, Kiyomichi Araki
2011 J jnl
Simplified Capacity-Based User Scheduling Algorithm for Multiuser MIMO Systems with Block Diagonalization.
IEICE Trans. Commun.
Yuyuan Chang, Kiyomichi Araki
2011 — conf
Spectrum allocation strategies for heterogeneous networks.
CrownCom
Rindranirina Ramamonjison, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi, Noriaki Miyazaki
2011 — conf
Wireless Grid: Enabling Ubiquitous Sensor Networks with Wireless Energy Supply.
VTC Spring
Ragil Putro Wicaksono, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
A Novel Predistorter Design for Nonlinear Power Amplifier with Memory Effects in OFDM Communication Systems Using Orthogonal Polynomials.
IEICE Trans. Electron.
Yitao Zhang, Kiyomichi Araki
2010 J jnl
A Unified Distortion Analysis of Nonlinear Power Amplifiers with Memory Effects for OFDM Signals.
IEICE Trans. Electron.
Yitao Zhang, Kiyomichi Araki
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 — conf
An Efficient Retransmission Scheme for MIMO Two-Way Relay Network Employing Network Coding.
VTC Spring
Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 B conf
Dynamic cooperation set clustering on base station cooperation cellular networks.
PIMRC
Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Effect of Power Allocation Schemes on MIMO Two-Way Multi-Hop Network.
IEICE Trans. Commun.
Jonghyun Lee, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Efficient Method to Measure IMD of Power Amplifier with Simplified Phase Determination Procedure to Clarify Memory Effect Origins.
IEICE Trans. Electron.
Takeshi Takano, Yasuyuki Oishi, Shigekazu Kimura, Michiharu Nakamura, Kazuo Nagatani, Eisuke Fukuda, Yoshimasa Daido, Kiyomichi Araki
2010 — conf
Hardware Prototype for Two-Way Multi-Hop Relay Network with MIMO Network Coding.
VTC Spring
Keiichi Mizutani, Takehiro Miyamoto, Takamichi Kanno, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Impact of Base Station Cooperation on Cell Planning.
EURASIP J. Wirel. Commun. Netw.
Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi
2010 J jnl
MIMO Network Coding-Based PHY/MAC Protocol for Replacement of CSMA/CA in Efficient Two-Way Multihop Relay Networks.
EURASIP J. Wirel. Commun. Netw.
Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
MIMO Radio Propagation Measurement for Two-Hop Relay Network on L-Shaped Corridor with Network Performance Analysis.
VTC Spring
Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
Network Synchronization for Two-Way Multi-Hop Relay Networks with Block Modulation.
VTC Spring
Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
On the spectral efficiency of MIMO two-way multihop networks with co-existing flows.
CrownCom
Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa
2010 B conf
Routing and Power Allocation in MIMO Two-Way Multihop Networks: A New Cross-Layer Approach to Mitigate Interference.
GLOBECOM
Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
The Gaussian MIMO Broadcast Channel under Receive Power Protection Constraints.
IEICE Trans. Commun.
Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Topology Design and Performance Evaluation of Wireless Sensor Network Based on MIMO Channel Capacity.
IEICE Trans. Commun.
Ky Leng, Kei Sakaguchi, Kiyomichi Araki
2009 J jnl
2D MIMO Network Coding with Inter-Route Interference Cancellation.
IEICE Trans. Commun.
Gia Khanh Tran, Kei Sakaguchi, Fumie Ono, Kiyomichi Araki
2009 J jnl
Performance Evaluation of Wireless Sensor Network Based on MIMO Relaying Channel Capacity.
IEICE Trans. Commun.
Ky Leng, Kei Sakaguchi, Kiyomichi Araki
2009 B conf
Robust design for multiuser block diagonalization MIMO downlink system with CSI feedback delay.
PIMRC
Yuyuan Chang, Kiyomichi Araki
2009 B conf
Wireless mesh network performance: MIMO two-way relay vs. CSMA/CA based protocols.
PIMRC
Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2008 J jnl
Capacity Analysis of MIMO Rayleigh Channel with Spatial Fading Correlation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ha Duyen Trung, Watit Benjapolakul, Kiyomichi Araki
2008 B conf
Cell Planning for Cooperative Transmission.
WCNC
Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki
2008 J jnl
Multi-Channel Multi-Stage Transmultiplexing Digital Down Converter and Its Application to RFID (ISO18000-3 mode 2) Reader/Writer.
IEICE Trans. Commun.
Yuichi Nakagawa, Kei Sakaguchi, Hideki Kawamura, Kyoji Ohashi, Masahiro Muraguchi, Kiyomichi Araki
2008 J jnl
On Generalized Feistel Structures Using the Diffusion Switching Mechanism.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Taizo Shirai, Kiyomichi Araki
2008 J jnl
Performance Analysis of the Extended Low Complexity User Scheduling Algorithm over Up-Link Multi-User MIMO OFDMA Systems.
IEICE Trans. Commun.
Junyi Wang, Yuyuan Chang, Chuyu Zheng, Kiyomichi Araki, Zhongzhao Zhang
2007 J jnl
A Game Theoretic Framework for Fair-Efficient Threshold Parameters Selection in Call Admission Control for CDMA Mobile Multimedia Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Jenjoab Virapanicharoen, Watit Benjapolakul, Kiyomichi Araki
2007 J jnl
A Low Complexity Tree-Structure Based User Scheduling Algorithm for Up-Link Multi-User MIMO Systems.
IEICE Trans. Commun.
Junyi Wang, Kiyomichi Araki, Zhongzhao Zhang, Yuyuan Chang, Houtao Zhu, Tsuyoshi Kashima
2007 J jnl
Active Q-Factor and Equilibrium Stability Formulation for Sinusoidal Oscillators.
IEEE Trans. Circuits Syst. II Express Briefs
Takashi Ohira, Kiyomichi Araki
2007 J jnl
Delay Time Error Effect for Various TR-UWB Systems.
IEICE Trans. Commun.
Jakkrapong Sumethnapis, Kiyomichi Araki
2007 — conf
Novel Multi-Stage Transmultiplexing Digital Down Converter for Implementation of RFID (ISO18000-3 MODE 2) Reader/Writer.
VTC Spring
Yuichi Nakagawa, Masahiro Muraguchi, Hideki Kawamura, Kyoji Ohashi, Kei Sakaguchi, Kiyomichi Araki
2007 J jnl
Special Section on Microwave and Millimeter-Wave Technology.
IEICE Trans. Electron.
Kiyomichi Araki
2007 J jnl
TR-UWB Systems with Pulse-Position Multi-Pulse Modulation for ECC's and Japan's Radiation Masks.
IEICE Trans. Commun.
Jakkrapong Sumethnapis, Kiyomichi Araki
2006 J jnl
A Markov-Kronecker model for analysis of closed-loop MIMO systems.
IEEE Commun. Lett.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2006 J jnl
A Novel Adaptive Linearization Technique for a Balanced-Amplifier Array.
IEICE Trans. Electron.
Takana Kaho, Yo Yamaguchi, Tadao Nakagawa, Katsuhiko Araki, Kiyomichi Araki
2006 J jnl
A robust and low complexity adaptive algorithm for mimo eigenmode transmission system with experimental validation.
IEEE Trans. Wirel. Commun.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2006 J jnl
Development of MIMO-SDR Platform and Its Application to Real-Time Channel Measurements.
IEICE Trans. Commun.
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
2006 J jnl
Dimensional extension of Kurokawa's stability criterion for general multi-port device oscillators.
IEICE Electron. Express
Takashi Ohira, Kiyomichi Araki
2006 B conf
Experimental Analysis of MIMO-OFDM Eigenmode Transmission with MMSE Interference Canceller.
PIMRC
Yuichi Kakishima, Hai Doan Le, See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2006 — conf
Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission.
VTC Spring
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
2006 — conf
Multiple Access Performance of TR-UWB System Using a Combined PPM and Differential Multi-Pulse Modulation.
VTC Spring
Jakkrapong Sumethnapis, Kiyomichi Araki
2006 J jnl
Multiple Access in TR-UWB System Using Differential Multi-Pulse Modulation.
IEICE Trans. Commun.
Jakkrapong Sumethnapis, Kiyomichi Araki
2006 J jnl
Oscillator frequency spectrum as viewed from resonant energy storage and complex Q factor.
IEICE Electron. Express
Takashi Ohira, Kiyomichi Araki
2006 B conf
Performance Analysis of Diversity Techniques for Multihop Cooperative Networks with Adaptive Transmission.
PIMRC
Bao Thi Ngoc Pham, Hidekazu Murata, Kiyomichi Araki
2006 — conf
Performance Analysis of MIMO-OFDM Systems using Indoor Wideband MIMO Channel Measurement Data.
VTC Spring
Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa
2006 J jnl
Pilot Symbol Aided MAP-Based 3D Channel Estimation for Multi-User MIMO-OFDM Systems.
IEICE Trans. Commun.
Junyi Wang, Kiyomichi Araki
2006 J jnl
Prototype Implementation of Real-Time ML Detectors for Spatial Multiplexing Transmission.
IEICE Trans. Commun.
Toshiaki Koike, Yukinaga Seki, Hidekazu Murata, Susumu Yoshida, Kiyomichi Araki
2006 J jnl
Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones.
IEICE Trans. Electron.
Kiyomichi Araki
2006 J jnl
Two Low Complexity Receiver Structures for Down-Link OFDMA Systems.
IEICE Trans. Commun.
Junyi Wang, Kiyomichi Araki
2005 B conf
An Effective IQ Imbalance Compensation Scheme for MIMO-OFDM Communication System.
PIMRC
Hiroyuki Kamata, Kei Sakaguchi, Kiyomichi Araki
2005 J jnl
Differential quantization of eigenmodes for MIMO eigenmode transmission systems.
IEEE Commun. Lett.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2005 J jnl
MIMO Channel Capacity in an Indoor Line-Of-Sight (LOS) Environment.
IEICE Trans. Commun.
Kei Sakaguchi, Hai-Yeow-Eugene Chua, Kiyomichi Araki
2005 B conf
Measurements on Area Coverage of 5GHZ Band MIMO-OFDM System in Residential Home Environment.
PIMRC
Nguyen Dung Dao, Hai-Yeow-Eugene Chua, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa
2005 J jnl
QPSK Impulse Signal Transmission for Ultra Wide Band Communication Systems in Multipath Channel Environments.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Chaiyaporn Khemapatapan, Watit Benjapolakul, Kiyomichi Araki
2004 B conf
A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system under practical conditions.
PIMRC
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2004 B conf
Cooperative relaying scheme with space time code for multihop communications among single antenna terminals.
GLOBECOM
Tsuyoshi Miyano, Hidekazu Murata, Kiyomichi Araki
2004 — conf
Development of 4 × 4 MIMO-OFDM system and test measurement.
EUSIPCO
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
2004 B conf
Experimental and analytical investigation of MIMO channel capacity in an indoor line-of-sight (LOS) environment.
PIMRC
Hai-Yeow-Eugene Chua, Kei Sakaguchi, Kiyomichi Araki
2004 B conf
FPGA implementation of 4×4 MIMO test-bed for spatial multiplexing systems.
PIMRC
Mengfei Cui, Hidekazu Murata, Kiyomichi Araki
2004 J jnl
On the practical performance of VBLAST.
IEEE Commun. Lett.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2004 B conf
Performance of LDPC based turbo equalization for spatial multiplexing.
PIMRC
Takaaki Zakoji, Hidekazu Murata, Kiyomichi Araki
1998 C conf
A study on source-channel encoding of AC coefficients for compressed video transmission with multicode DS/SS modulation.
MMSP
Yukitoshi Sanada, Kiyomichi Araki
1998 — conf
Overview of Elliptic Curve Cryptography.
Public Key Cryptography
Kiyomichi Araki, Takakazu Satoh, Shinji Miura
1997 B conf
A BER floor simulation for the indoor multipath environment.
PIMRC
Jun-ichi Takada, Hideo Mochida, Kiyomichi Araki
1992 — conf
On the Efficient Decoding of Reed-Solomon Codes Based on GMD Criterion.
ISMVL
Kiyomichi Araki, Masayuki Takada, Masakatu Morii