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Journal Articles
- 2023
- [j45]Kansuke Kumazawa, Hiraku Okada
, Munehiro Matsui, Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita, Masaaki Katayama
:
Transmission Control Considering Different Available Channels for CRDSA/IRSA in Satellite IoT Systems. IEEE Access 11: 135377-135384 (2023) - [j44]Ruiyi Huang, Masayuki Kinoshita
, Takaya Yamazato, Hiraku Okada, Koji Kamakura, Shintaro Arai, Tomohiro Yendo, Toshiaki Fujii
:
Simultaneous Visible Light Communication and Ranging Using High-Speed Stereo Cameras Based on Bicubic Interpolation Considering Multi-Level Pulse-Width Modulation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106(7): 990-997 (2023) - [j43]Meiyuan Miao, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama:
Design and Analysis of a Multi-Rate Multiple-Access Differential Chaos Shift Keying System. IEICE Trans. Commun. 106(10): 873-880 (2023) - [j42]Tekkan Okuda, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama:
Experimental Evaluation of 920 MHz Band Air-to-Ground Radio Wave Propagation in Mountainous Areas. IEICE Trans. Commun. 106(10): 949-958 (2023) - [j41]Hiroyuki Asano
, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama:
Communication-Aware Flight Algorithms for UAV-Based Delay-Tolerant Networks. IEICE Trans. Commun. 106(11): 1122-1132 (2023) - 2022
- [j40]Hiroyuki Asano
, Hiraku Okada, Chedlia Ben Naila
, Masaaki Katayama:
Voronoi-Based UAV Flight Method for Non-Uniform User Distribution in Delay-Tolerant Aerial Networks. IEICE Trans. Commun. 105-B(11): 1414-1423 (2022) - 2021
- [j39]Hiroyuki Asano
, Hiraku Okada
, Chedlia Ben Naila
, Masaaki Katayama
:
Flight Model Using Voronoi Tessellation for a Delay-Tolerant Wireless Relay Network Using Drones. IEEE Access 9: 13064-13075 (2021) - 2020
- [j38]Hiraku Okada:
An Overview of Aerial Wireless Relay Networks for Emergency Communications during Large-Scale Disasters. IEICE Trans. Commun. 103-B(12): 1376-1384 (2020) - 2019
- [j37]Kentaro Kobayashi
, Hiraku Okada
, Masaaki Katayama
:
Guaranteed Time Slot Allocation for IEEE 802.15.4-Based Wireless Feedback Control Systems. IEEE Access 7: 161211-161219 (2019) - [j36]Hiraku Okada:
Foreword. IEICE Trans. Commun. 102-B(4): 659 (2019) - 2018
- [j35]Masayuki Kinoshita
, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii
, Shintaro Arai
, Tomohiro Yendo, Koji Kamakura:
Simplified Vehicle Vibration Modeling for Image Sensor Communication. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 101-A(1): 176-184 (2018) - [j34]Kentaro Kobayashi
, Hiraku Okada, Masaaki Katayama:
A Cross-Layer Optimized Receiver Design for Wireless Feedback Control Systems. IEEE Trans. Commun. 66(1): 320-329 (2018) - 2017
- [j33]Takaya Yamazato
, Naoaki Kawagita, Hiraku Okada, Toshiaki Fujii
, Tomohiro Yendo, Shintaro Arai
, Koji Kamakura:
The Uplink Visible Light Communication Beacon System for Universal Traffic Management. IEEE Access 5: 22282-22290 (2017) - [j32]Takashi Ogura, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
H-Infinity Control Design Considering Packet Loss as a Disturbance for Networked Control Systems. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 100-A(2): 353-360 (2017) - [j31]Hiraku Okada, Shuhei Suzaki, Tatsuya Kato, Kentaro Kobayashi, Masaaki Katayama:
Link Quality Information Sharing by Compressed Sensing and Compressed Transmission for Arbitrary Topology Wireless Mesh Networks. IEICE Trans. Commun. 100-B(3): 456-464 (2017) - 2015
- [j30]Cesar Carrizo, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Predictive Control for Performance Improvement of a Feedback Control System Using Cyclostationary Channels. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 98-A(4): 1000-1005 (2015) - [j29]Chinthaka Premachandra
, Tomohiro Yendo, Mehrdad Panahpour Tehrani, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii
, Masayuki Tanimoto:
Outdoor Road-to-Vehicle Visible Light Communication Using On-Vehicle High-Speed Camera. Int. J. Intell. Transp. Syst. Res. 13(1): 28-36 (2015) - [j28]Takaya Yamazato
, Masayuki Kinoshita
, Shintaro Arai
, Eisho Souke, Tomohiro Yendo, Toshiaki Fujii
, Koji Kamakura, Hiraku Okada:
Vehicle Motion and Pixel Illumination Modeling for Image Sensor Based Visible Light Communication. IEEE J. Sel. Areas Commun. 33(9): 1793-1805 (2015) - [j27]Shingo Hattori, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
On- Off Error Control Coding Scheme for Minimizing Tracking Error in Wireless Feedback Control Systems. IEEE Trans. Ind. Informatics 11(6): 1411-1421 (2015) - 2014
- [j26]Takaya Yamazato
, Isamu Takai, Hiraku Okada, Toshiaki Fujii
, Tomohiro Yendo, Shintaro Arai
, Michinori Andoh, Tomohisa Harada, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito:
Image-sensor-based visible light communication for automotive applications. IEEE Commun. Mag. 52(7): 88-97 (2014) - [j25]Jun Naganawa, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Spectrum Sharing Overlay System with a Repeater for the Primary Signal. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 97-A(7): 1576-1586 (2014) - [j24]Xiaohui Fan, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
Mutual Information Evaluation and Optimization of Intermittent Transmission Methods in Energy Harvesting Wireless Sensor Networks. IEICE Trans. Commun. 97-B(9): 1826-1834 (2014) - 2013
- [j23]Ryota Mizutani, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Impact of the Reduction of Transmitted Information on the Control Quality in a Wireless Feedback Control System. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 96-A(5): 869-877 (2013) - 2012
- [j22]Cesar Carrizo, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Control Quality of a Feedback Control System under Cyclostationary Noise in Power Line Communication. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 95-A(4): 706-712 (2012) - [j21]Zheng Huang, Hiraku Okada, Masaaki Katayama, Takaya Yamazato:
A Study on Cluster Partitioning with Cooperative MISO Scheme in Wireless Sensor Networks. Int. J. Distributed Sens. Networks 8 (2012) - [j20]Zheng Huang, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
A study on cluster lifetime in multi-hop wireless sensor networks with cooperative MISO scheme. J. Commun. Networks 14(4): 443-450 (2012) - 2010
- [j19]Takaya Yamazato, Koji Nakao, Hiraku Okada, Masaaki Katayama:
Experimental Results on Simple Distributed Cooperative Transmission Scheme with Visible Light Communication. IEICE Trans. Commun. 93-B(11): 2959-2962 (2010) - 2008
- [j18]Hiraku Okada, Akira Takano, Kenichi Mase:
Analysis and Proposal of Position-Based Routing Protocols for Vehicular Ad Hoc Networks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(7): 1634-1641 (2008) - [j17]Suguru Doki, Hiraku Okada, Kenichi Mase:
Error Correction Using Time-Dependent Correlation and Transmit Power Control in Sensor Networks. IEICE Trans. Commun. 91-B(11): 3426-3433 (2008) - [j16]Tadahiro Wada, Hiraku Okada, Abbas Jamalipour, Kouji Ohuchi, Masato Saito
:
Effect of route diversity by employing turbo coding in multihop ad hoc and mesh networks. Int. J. Sens. Networks 3(2): 75-83 (2008) - [j15]Hiraku Okada, Hitoshi Imai, Takaya Yamazato, Masaaki Katayama, Kenichi Mase:
A Route Establishment Scheme for Multi-route Coding in Multihop Cellular Networks. J. Networks 3(7): 34-40 (2008) - 2007
- [j14]Hiraku Okada, Masato Saito
, Tadahiro Wada, Kouji Ohuchi:
Performance Analysis of Source-Destination ARQ Scheme for Multiroute Coding in Wireless Multihop Networks. IEICE Trans. Commun. 90-B(8): 2111-2119 (2007) - 2006
- [j13]Hiraku Okada, Nobuyuki Nakagawa, Tadahiro Wada, Takaya Yamazato
, Masaaki Katayama:
Multi-Route Coding in Wireless Multi-Hop Networks. IEICE Trans. Commun. 89-B(5): 1620-1626 (2006) - [j12]Bayarpurev Mongol, Takaya Yamazato
, Hiraku Okada, Masaaki Katayama:
MIMO Zero-Forcing Equalizer for BFDM/OQAM Systems in Time-Frequency Dispersive Channels. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(11): 3114-3122 (2006) - [j11]Manabu Sawada, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Influence of ADC Nonlinearity on the Performance of an OFDM Receiver. IEICE Trans. Commun. 89-B(12): 3250-3256 (2006) - [j10]Masaaki Katayama, Takaya Yamazato
, Hiraku Okada:
A mathematical model of noise in narrowband power line communication systems. IEEE J. Sel. Areas Commun. 24(7): 1267-1276 (2006) - 2005
- [j9]Yuichi Hirayama, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
An Adaptive Receiver for Power-Line Communications with the Estimation of Instantaneous Noise Power. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(3): 755-760 (2005) - [j8]Yukihiro Tadokoro
, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Application of Successive Interference Cancellation to a Packet-Recognition/Code-Acquisition Scheme in CDMA Unslotted ALOHA Systems. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(6): 1605-1612 (2005) - [j7]Ryosuke Uchida, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Outage Probability of a Macro and Micro MIMO Diversity Scheme in an Indoor Fading and Shadowing Environment. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(10): 2945-2951 (2005) - [j6]Yasuhiro Hirayama, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Time-Dependent Analysis of the Multiple-Route Packet Combining Scheme in Wireless Multihop Networks. Int. J. Wirel. Inf. Networks 12(1): 35-45 (2005) - 2003
- [j5]Masaaki Harada, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa:
Performance Improvement for Coded OFDM Systems with Adaptive Interleaving in Frequency Selective Fading Channel. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 86-A(6): 1541-1549 (2003) - 2002
- [j4]Katsuhiro Naito, Hiraku Okada, Masato Saito, Takaya Yamazato, Masaaki Katayama:
New Analytical Model for TCP in Wireless Environments. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(7): 1501-1510 (2002) - [j3]Kazutoshi Sugimoto, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Performance Improvement of OFDM System with Consideration on the Characteristics of Power-Line Noise. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(12): 2822-2829 (2002) - [j2]Yasuhiro Hirayama, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Medium Access Control Protocol Based on Estimation of Multimedia Traffic with an Adaptive Algorithm in CDMA Packet Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(12): 2868-2876 (2002) - 1996
- [j1]Takahide Sato, Hiraku Okada, Takaya Yamazato
, Masaaki Katayama, Akira Ogawa:
Throughput analysis of DS/SSMA unslotted ALOHA system with fixed packet length. IEEE J. Sel. Areas Commun. 14(4) (1996)
Conference and Workshop Papers
- 2024
- [c125]Daiki Ishikawa, Chedlia Ben Naila
, Hiraku Okada
, Masaaki Katayama
:
Performance Analysis of LDPC Coded Outdoor Long-Distance Imaging MIMO System. ICNC 2024: 1139-1143 - [c124]Shion Kawabe, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama:
An Experimental Evaluation of Air-to-Air MIMO Transmission in Wireless LAN Relay Systems Using Drones. ICOIN 2024: 560-564 - 2023
- [c123]Hiraku Okada, Taiga Hayashi, Kentaro Kobayashi, Tadahiro Wada, Chedlia Ben Naila, Masaaki Katayama:
Visible Light Communication Systems Using a High-speed Display and Rolling-shutter Camera. APCC 2023: 244-249 - [c122]Hiroyuki Asano
, Hiraku Okada, Chedlia Ben Naila
, Masaaki Katayama:
Communication-Aware Flight Algorithm for UAVs in Delay-Tolerant Aerial Networks. CCNC 2023: 287-292 - [c121]Hitoshi Ando, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama:
Mitigation of Vessel Motion Effects for MIMO Underwater Optical Wireless Communication System using Spatial Coding. ICC Workshops 2023: 961-965 - [c120]Fumiharu Sasaki, Chedlia Ben Naila
, Hiraku Okada
, Masaaki Katayama
:
Robust Video Transmission for Robot Teleoperation Over Networks with Packet Loss. IECON 2023: 1-6 - [c119]Yosuke Takagi, Chedlia Ben Naila
, Hiraku Okada
, Masaaki Katayama
:
Interpolation of Missing Data for Wireless Operation of Industrial Robot. IECON 2023: 1-6 - [c118]Takumi Ishida, Chedlia Ben Naila
, Hiraku Okada, Masaaki Katayama:
Performance of Intelligent Reflecting Surface Based-FSO Link Under Strong Turbulence and Spatial Jitter. ISCC 2023: 1-5 - [c117]Xuejuan Zhu, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama:
High Speed Optical Wireless Uplink using Multiuser MIMO with Angle Diversity. PIMRC 2023: 1-6 - [c116]Takumi Ishida, Chedlia Ben Naila
, Hiraku Okada, Masaaki Katayama:
Performance Analysis of Intelligent Reflecting Surface Assisted-FSO System over Turbulent Channels with Pointing Errors. VTC2023-Spring 2023: 1-5 - 2022
- [c115]Hiroyuki Asano
, Hiraku Okada, Chedlia Ben Naila
, Masaaki Katayama:
A UAV Flight Method for Non-Uniform User Distributions in Aerial Wireless Relay Networks. CCNC 2022: 169-174 - [c114]Tekkan Okuda, Hiraku Okada, Hiroki Tanaka, Toshihiro Fujiwara, Nobuo Matsui, Chedlia Ben Naila
, Masaaki Katayama:
Propagation Characteristics of 920 MHz band LPWA for Inspections of Power Transmission Lines Using UAVs. CCNC 2022: 721-722 - [c113]Taiga Kasukabe, Chedlia Ben Naila
, Hiraku Okada, Masaaki Katayama:
Spatial Diversity for Mitigating Near-far Problem in Wireless Optical CDMA Systems. PIMRC 2022: 1197-1202 - [c112]Kenzo Yamada, Chedlia Ben Naila
, Hiraku Okada, Masaaki Katayama:
Design and Evaluation of Optimum Receiver for Turbulent Underwater Optical Wireless Channel. VTC Spring 2022: 1-5 - 2021
- [c111]Ruiyi Huang, Takaya Yamazato, Masayuki Kinoshita
, Hiraku Okada, Koji Kamakura, Shintaro Arai, Tomohiro Yendo, Toshiaki Fujii
:
Vehicle Distance Measurement based on Visible Light Communication Using Stereo Cameras. IV 2021: 853-858 - [c110]Hiroki Tanaka, Nobuo Matsui, Yuta Watanabe, Hiraku Okada, Masaaki Katayama:
Experimental Evaluation of a Wireless LAN Relay System Using Unmanned Aerial Vehicles. VTC Spring 2021: 1-6 - 2020
- [c109]Tomoya Arisue, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii
, Masayuki Kinoshita
, Koji Kamakura, Shintaro Arai, Tomohiro Yendo:
BER Measurement for Transmission Pattern Design of ITS Image Sensor Communication Using DMD Projector. CCNC 2020: 1-6 - [c108]Hayato Ishikawa, Eiji Okamoto, Hiraku Okada, Satoshi Makido:
Performance improvement of V2I uplink transmission on far vehicles using frequency scheduling-based cooperative V2V relay transmission. CCNC 2020: 1-6 - [c107]Ruiyi Huang, Masayuki Kinoshita
, Takaya Yamazato, Hiraku Okada, Koji Kamakura, Shintaro Arai, Tomohiro Yendo, Toshiaki Fujii
:
Performance Evaluation of Range Estimation for Image Sensor Communication Using Phase-only Correlation. GLOBECOM (Workshops) 2020: 1-6 - [c106]Akifumi Iwasa, Chedlia Ben Naila
, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Experimental Evaluation of an Indoor Long Distance High Speed Imaging MIMO System. GLOBECOM 2020: 1-6 - 2019
- [c105]Kohei Kasai, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Cross-layer combination of predictive control and error correction coding for wireless feedback control. APWCS 2019: 1-5 - [c104]Taito Sasaki, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Data signal modulation scheme based on perceptually uniform color space for image sensor-based visible light communication. APWCS 2019: 1-5 - [c103]Masayuki Kinoshita
, Koji Kamakura, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii
, Shintaro Arai, Tomohiro Yendo:
Stereo Ranging Method Using LED Transmitter for Visible Light Communication. GLOBECOM 2019: 1-6 - [c102]Shuto Ito, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Optical Wireless CDMA Receiver with Hard Limiters and Successive Interference Cancellers. ICC Workshops 2019: 1-6 - [c101]Hayato Ishikawa, Eiji Okamoto, Shouhei Okamoto, Hiraku Okada, Satoshi Makido:
Performance Analysis of Uplink V2I Cooperative Transmission Scheme in Practical Road Environments. ICOIN 2019: 98-102 - [c100]Mitsuru Hasegawa, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Synchronous CDMA for a PLC-based multi-machine control system. IECON 2019: 559-564 - [c99]Hiraku Okada, Jyo Suzuki, Hiroki Yanai, Kentaro Kobayashi, Masaaki Katayama:
Inclination of Flying Drones in Aerial Wireless Relay Networks. VTC Fall 2019: 1-5 - 2018
- [c98]Tomoya Moribe, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
Combination of a wireless sensor network and drone using infrared thermometers for smart agriculture. CCNC 2018: 1-2 - [c97]Ryota Mushu, Tadahiro Wada, Kaiji Mukumoto, Hiraku Okada:
A Proposal of Information Embedding Scheme Based on Discrete Cosine Transform in Parallel Transmission Visible Light Communications. GCCE 2018: 175-176 - [c96]Satoshi Kamegawa, Masayuki Kinoshita
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Koji Kamakura, Tomohiro Yendo, Shintaro Arai:
Performance Evaluation of Precoded Pulse Width Modulation for Image Sensor Communication. GLOBECOM Workshops 2018: 1-7 - [c95]Masayuki Kinoshita
, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii
, Shintaro Arai, Tomohiro Yendo, Koji Kamakura:
A Comparison of Reception Methods for Visible Light Communication Using High-Speed Stereo Cameras. GLOBECOM 2018: 1-5 - [c94]Hiroki Yanai, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
Flight Schemes Considering Breaks for Wireless Relay Networks Using Drones during Large-Scale Disasters. VTC Fall 2018: 1-5 - 2017
- [c93]Yufeng Lin, Tadahiro Wada, Kaiji Mukumoto, Hiraku Okada:
Performance evaluation of information embedding schemes based on wavelet transform for parallel transmission visible light communication systems. GCCE 2017: 1-2 - [c92]Masayuki Kinoshita
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Shintaro Arai
, Tomohiro Yendo, Koji Kamakura:
Modeling and parameter estimation of vehicle vibration inducing transmitter displacement in ITS image sensor communication. ICC Workshops 2017: 144-149 - [c91]Shun Sawada, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Selective transmission of control information based on channel periodicity in PLC-based multiple-machine control. ISPLC 2017: 1-6 - [c90]Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A cross-layer design of optimized receiver for wireless state feedback control. SPAWC 2017: 1-5 - [c89]Eiji Okamoto
, Hiraku Okada, Yoshinao Ishii
, Satoshi Makido:
Performance Improvement of Low-Latency V2I Uplink Using Superposed Cooperative V2V Transmission. VTC Fall 2017: 1-5 - [c88]Yosuke Miwa, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A Study on Variable Length Channel Coding for State Feedback in Wireless Control Systems. WCNC 2017: 1-6 - [c87]Yushi Uematsu, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A Study on Multiple Access Schemes for Wireless Control over the IEEE 802.15.4 Beacon-Enabled Mode. WCNC 2017: 1-6 - 2016
- [c86]Takazumi Asai, Tomohiro Yendo, Shintaro Arai
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Koji Kamakura:
Position estimation of LED matrix in image sensor communication. APSIPA 2016: 1-5 - [c85]Takaya Yamazato
, A. Ohmura, Hiraku Okada, Toshiaki Fujii
, Tomohiro Yendo, Shintaro Arai
, Koji Kamakura:
Range estimation scheme for integrated I2V-VLC using a high-speed image sensor. ICC Workshops 2016: 326-330 - [c84]Atsushi Nagata, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A study on a source coding scheme considering the importance of control data for wireless feedback control systems. IECON 2016: 6007-6012 - [c83]Takashi Ogura, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A study on h-infinity controller design considering the influence of packet loss as a disturbance. IECON 2016: 6013-6018 - [c82]Shota Kimura, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A study on time division multiple access scheme based on predicted tracking error for wireless feedback control of multiple plants. IECON 2016: 6019-6024 - [c81]Sho Sato, Hiraku Okada, Kentaro Kobayashi, Takaya Yamazato
, Masaaki Katayama:
Visible light communication systems using blue color difference modulation for digital signage. PIMRC 2016: 1-6 - 2015
- [c80]Yoshihiro Minematsu, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
An analyzing method using self-organizing map for MIMO mesh networks. APCC 2015: 37-41 - [c79]Takazumi Asai, Daigo Iwase, Ryoko Ieki, Tomohiro Yendo, Shintaro Arai
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Koji Kamakura:
Intensity estimation of LEDs from spatially and temporally mixed images in image sensor communication. APSIPA 2015: 877-883 - [c78]Atsushi Mori, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama, Kenichi Mase:
Construction of a node-combined wireless network for large-scale disasters. CCNC 2015: 219-224 - [c77]Naoya Ishitani, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Cooperative repeaters to improve data collection in low power generation for solar-powered wireless sensor networks. CCNC 2015: 361-366 - [c76]Yuki Ohira, Shintaro Arai
, Tomohiro Yendo, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Koji Kamakura:
Novel Demodulation Scheme Based on Blurred Images for Image-Sensor-Based Visible Light Communication. GLOBECOM Workshops 2015: 1-6 - [c75]Yohsuke Ishikawa, Hiraku Okada, Katsuhiro Naito, Kentaro Kobayashi, Masaaki Katayama:
Experimental Evaluation of a Distributed Sensor Network Applying Source Node Grouping. CANDAR 2015: 283-286 - [c74]Kenichi Mase, Hiraku Okada:
Message communication system using unmanned aerial vehicles under large-scale disaster environments. PIMRC 2015: 2171-2176 - [c73]Hironori Kusumoto, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
Area Transmission Efficiency of Single-User and Multi-User MIMO in Grid-Topology Wireless Mesh Networks. VTC Spring 2015: 1-5 - 2014
- [c72]Yuki Goto, Isamu Takai, Takaya Yamazato
, Hiraku Okada, Akitoshi Fujii, Shoji Kawahito, Shintaro Arai
, Tomohiro Yendo, Koji Kamakura:
BER characteristic of optical-OFDM using OCI. APCCAS 2014: 328-331 - [c71]Masayuki Kinoshita
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii, Shintaro Arai
, Tomohiro Yendo, Koji Kamakura:
Channel fluctuation measurement for image sensor based I2V-VLC, V2I-VLC, and V2V-VLC. APCCAS 2014: 332-335 - [c70]Daigo Iwase, Makoto Kasai, Tomohiro Yendo, Shintaro Arai
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
:
Improving communication rate of visible light communication system using high-speed camera. APCCAS 2014: 336-339 - [c69]Shintaro Arai
, Yasutaka Shiraki, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Tomohiro Yendo:
Multiple LED arrays acquisition for image-sensor-based I2V-VLC using block matching. CCNC 2014: 605-610 - [c68]Shuhei Suzaki, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
An information sharing method using compressed sensing in wireless distributed networks. GLOBECOM Workshops 2014: 259-263 - [c67]Masayuki Kinoshita
, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Shintaro Arai
, Tomohiro Yendo, Koji Kamakura:
Motion modeling of mobile transmitter for image sensor based I2V-VLC, V2I-VLC, and V2V-VLC. GLOBECOM Workshops 2014: 450-455 - 2013
- [c66]Takanori Ito, Tomohiro Yendo, Shintaro Arai
, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii
:
Intensity estimation method of LED array for visible light communication. Video Surveillance and Transportation Imaging Applications 2013: 86630V - [c65]Shingo Hattori, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A note on adaptive coding scheme based on control quality for wireless feedback control systems. ETFA 2013: 1-6 - [c64]Shingo Hattori, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A note on adaptive coding scheme for improvement of reference tracking in wireless feedback control systems. IECON 2013: 4438-4443 - [c63]Yuki Sugao, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
A study on network and multi-route coding for information advertisement in wireless mesh networks. PIMRC 2013: 2341-2345 - [c62]Atsushi Tanaka, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A study on the reduction of synchronization error using a relay of predictive control information in wireless control of multiple plants. SII 2013: 150-154 - [c61]Shingo Hattori, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
A note on adaptive coding scheme for minimizing tracking error in wireless feedback control systems. SII 2013: 867-872 - [c60]Cesar Carrizo, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
Feedback control scheme with prediction for power line communication channels. SmartGridComm 2013: 289-293 - [c59]Tatsuya Kasashima, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii, Tomohiro Yendo, Shintaro Arai
:
Interpixel interference cancellation method for road-to-vehicle visible light communication. WiVeC 2013: 1-5 - [c58]Hiraku Okada, Shinnosuke Misawa, Takaya Yamazato
, Toshiaki Fujii
, Tomohiro Yendo:
Channel information estimation for error correcting code in road-to-vehicle visible light communication systems. WiVeC 2013: 1-5 - 2012
- [c57]Hiraku Okada, Hironori Oka, Kenichi Mase:
Network construction management for emergency communication system SKYMESH in large scale disaster. GLOBECOM Workshops 2012: 875-880 - [c56]Sayaka Nishimoto, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii
, Tomohiro Yendo, Shintaro Arai
:
High-speed transmission of overlay coding for road-to-vehicle visible light communication using LED array and high-speed camera. GLOBECOM Workshops 2012: 1234-1238 - [c55]Hironori Kusumoto, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama:
Performance comparison between Single-User MIMO and Multi-User MIMO in wireless mesh networks. WPMC 2012: 202-206 - 2011
- [c54]Hiraku Okada, Takuya Ishizaki, Takaya Yamazato
, Tomohiro Yendo, Toshiaki Fujii
:
Erasure coding for road-to-vehicle visible light communication systems. CCNC 2011: 75-79 - [c53]Hiraku Okada, Hiroya Hiramuki, Kenichi Mase:
An ARQ Scheme Using NACK for Network Coding in Wireless Multihop Networks. ISADS 2011: 471-476 - [c52]Sayaka Nishimoto, Tom Nagura, Takaya Yamazato
, Tomohiro Yendo, Toshiaki Fujii
, Hiraku Okada, Shintaro Arai
:
Overlay coding for road-to-vehicle visible light communication using LED array and high-speed camera. ITSC 2011: 1704-1709 - [c51]Akinobu Funahashi, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama:
i-LightHouse: A Visible Light Communication system for the visually impaired. PIMRC 2011: 1026-1030 - [c50]Tomoya Togashi, Kenichi Mase, Hiraku Okada:
Experimental Evaluation of Rate Switch Control in Wireless Mesh Networks. VTC Spring 2011: 1-5 - 2010
- [c49]Hirotaka Kitahara, Hiraku Okada, Kenichi Mase:
Experimental Evaluation of a Novel Transmission Rate Assignment Scheme in Wireless Mesh Networks. CCNC 2010: 1-5 - [c48]Toru Nagura, Takaya Yamazato
, Masaaki Katayama, Tomohiro Yendo, Toshiaki Fujii
, Hiraku Okada:
Tracking an LED array transmitter for visible light communications in the driving situation. ISWCS 2010: 765-769 - [c47]Halpage Chinthaka Nuwandika Premachandra, Tomohiro Yendo, Mehrdad Panahpour Tehrani, Takaya Yamazato
, Hiraku Okada, Toshiaki Fujii, Masayuki Tanimoto:
High-speed-camera image processing based LED traffic light detection for road-to-vehicle visible light communication. Intelligent Vehicles Symposium 2010: 793-798 - [c46]Hiraku Okada, Kenichi Mase:
Performance analysis of wireless mesh networks with three sector antennas. IWCMC 2010: 1232-1236 - [c45]Xiaohan Liu, Hiraku Okada, Kenichi Mase:
Performance of Wireless Mesh Networks with Three Sector Antenna. MSN 2010: 146-153 - [c44]Toru Nagura, Takaya Yamazato
, Masaaki Katayama, Tomohiro Yendo, Toshiaki Fujii
, Hiraku Okada:
Improved Decoding Methods of Visible Light Communication System for ITS Using LED Array and High-Speed Camera. VTC Spring 2010: 1-5 - [c43]Kenichi Mase, Nobuhiro Azuma, Hiraku Okada:
Development of an Emergency Communication System for Evacuees of Shelters. WCNC 2010: 1-6 - 2009
- [c42]Hiraku Okada, Akira Takano, Kenichi Mase:
A Proposal of Link Metric for Next-Hop Forwarding Methods in Vehicular Ad Hoc Networks. CCNC 2009: 1-5 - [c41]Tomoaki Umeki, Hiraku Okada, Kenichi Mase:
Evaluation of wireless channel quality for an ad hoc network in the sky, SKYMESH. ISWCS 2009: 585-589 - [c40]Hiraku Okada, Kazuki Akima, Kenichi Mase:
An overhead reduction strategy for weak Duplicate Address Detection in Mobile Ad Hoc Networks. PIMRC 2009: 2618-2622 - 2008
- [c39]Hiroya Hiramuki, Hiraku Okada, Kenichi Mase:
Performance comparison of ARQ schemes for network coding in ad hoc networks. PIMRC 2008: 1-5 - [c38]Shigeo Shioda
, Junko Harada, Yuta Watanabe, Tomoaki Goi, Hiraku Okada, Kenichi Mase:
Fundamental characteristics of connectivity in vehicular ad hoc networks. PIMRC 2008: 1-6 - [c37]Kenichi Mase, Yasunori Owada, Hiraku Okada, Tomoaki Imai:
A testbed-based approach to develop layer 3 wireless mesh network protocols. TRIDENTCOM 2008: 30 - [c36]Suguru Doki, Hiraku Okada, Kenichi Mase:
Joint Decoding and Transmit Power Control Using Time-Dependent Correlation in Sensor Networks. VTC Spring 2008: 178-182 - 2007
- [c35]Tadahiro Wada, Kouji Ohuchi, Abbas Jamalipour, Hiraku Okada, Masato Saito
:
Performance Evaluation of Wireless Sensor Networks Using Turbo Codes with Multi-Route Transmission. ICC 2007: 3859-3863 - [c34]Mitsuru Masamura, Satoshi Makido, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
A Novel Contention-Free Medium Access Control Protocol for Inter-Vehicle Communication Systems. MASS 2007: 1-6 - [c33]Akira Takano, Hiraku Okada, Kenichi Mase:
Performance Comparison of a Position-Based Routing Protocol for VANET. MASS 2007: 1-6 - [c32]Yusuke Takahashi, Yasunori Owada, Hiraku Okada, Kenichi Mase:
A wireless mesh network testbed in rural mountain areas. WiNTECH 2007: 91-92 - [c31]Hiraku Okada, Kenichi Mase, Masanori Nozaki, Bing Zhang:
A Low-Overhead Handling Scheme of STA Association Information for IEEE 802.11s. PIMRC 2007: 1-5 - [c30]Ryosuke Uchida, Hiraku Okada, Takaya Yamazato
, Masaaki Katayama:
Distributed Space-Time Block Coding for Large and Undetermined Set of Relay Terminals. PIMRC 2007: 1-5 - [c29]Hiraku Okada, Hitoshi Imai, Takaya Yamazato, Masaaki Katayama, Kenichi Mase:
A Route Selection Scheme for Multi-Route Coding in Multihop Cellular Networks. VTC Fall 2007: 6-10 - [c28]Hiraku Okada, Kentaro Kobayashi, Takaya Yamazato, Kenichi Mase:
Route Diversity Effect of Joint Decoding Using Correlation between Observed Data Sequences in Sensor Networks. VTC Spring 2007: 217-221 - [c27]Hiroyuki Hatano, Takaya Yamazato
, Hiraku Okada, Masaaki Katayama:
A Simple Estimator of Multiple Target Positions for Automotive Short Range Radar Networks. VTC Spring 2007: 2511-2515 - 2006
- [c26]Bayarpurev Mongol, Takaya Yamazato
, Hiraku Okada, Masaaki Katayama:
MIMO Zero-forcing Equalizer for BFDM/OQAM Systems in the Highly Mobile Environments. GLOBECOM 2006 - [c25]Tadahiro Wada, Hiraku Okada, Abbas Jamalipour, Kouji Ohuchi, Masato Saito
:
Bit-error-rate Performance Improvement in Wireless Multi-hop Ad Hoc Networks using Route Diversity Considerations. ICC 2006: 3591-3595 - [c24]Tadahiro Wada, Abbas Jamalipour, Hiraku Okada, Kouji Ohuchi, Masato Saito
:
Performance of Channel Information Estimation Method Utilizing Parity Check Bits for Turbo Coded Multi-route Multi-hop Networks. ICC 2006: 3688-3692 - [c23]Bayarpurev Mongol, Takaya Yamazato, Hiraku Okada, Masaaki Katayama:
Channel Estimation for BFDM/OQAM System in Dispersive Time-Varying Channels. ISWCS 2006: 159-163 - [c22]Hiraku Okada, Yasunori Owada, Yoshihiko Takahashi, Kenichi Mase:
A large-scale testbed for wireless mobile ad hoc networks. WiNTECH 2006: 91-92 - [c21]Hitoshi Imai, Hiraku Okada, Takaya Yamazato
, Masaaki Katayama:
The Effect of Multipath Hybrid Routing Protocol in Multihop Cellular Networks. PIMRC 2006: 1-5 - [c20]Hiraku Okada, Tadahiro Wada, Kouji Ohuchi, Masato Saito
, Kenichi Mase:
Source-Destination Hybrid ARQ for Multi-Route Coding in Wireless Multi-Hop Networks. PIMRC 2006: 1-5 - [c19]Hiraku Okada, Tadahiro Wada, Kouji Ohuchi, Masato Saito, Takaya Yamazato
, Masaaki Katayama:
Throughput Evaluation of ARQ Scheme for Multi-route Coding in Wireless Multi-hop Networks. VTC Spring 2006: 668-672 - 2005
- [c18]Tadahiro Wada, Abbas Jamalipour, Hiraku Okada, Kouji Ohuchi, Masato Saito
:
Effect of parity check bits in turbo coded multi-route multi-hop networks. GLOBECOM 2005: 5 - [c17]Bayarpurev Mongol, Takaya Yamazato, Hiraku Okada, Masaaki Katayama:
On the Second-order Statistics of the Channel Parameters for BFDM/OQAM Systems. ISWCS 2005: 534-538 - [c16]Ryosuke Uchida, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
A MIMO system with relay terminals for reliable wireless control. PIMRC 2005: 1626-1630 - 2004
- [c15]Hiroyuki Hatano, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Performance analysis of UWB impulse radar using parallel IPCP receiver. ISWCS 2004: 115-119 - [c14]Hiraku Okada, N. Koie, Nobuyuki Nakagawa, Takaya Yamazato, Masaaki Katayama:
A study on error correcting and diversity combiner scheme on multiple routes in wireless multi-hop networks. ISWCS 2004: 183-187 - [c13]Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa:
A simple data relay process and turbo code application to wireless sensor networks. ISWCS 2004: 398-402 - [c12]Yasuhiro Hirayama, Nobuyuki Nakagawa, Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Performance analysis of multiple-route packet combining scheme for real-time communications in wireless multihop networks. PIMRC 2004: 140-144 - 2002
- [c11]Yasuhiro Hirayama, Hiraku Okada, Takaya Yamazato
, Masaaki Katayama:
An access control protocol based on estimation of multimedia traffic with an adaptive algorithm in CDMA packet network. PIMRC 2002: 619-623 - [c10]Hiraku Okada, Takaya Yamazato, Masaaki Katayama:
Effect of interleaving and FEC on the throughput of CDMA unslotted ALOHA system with adaptive multiuser receiver. PIMRC 2002: 941-945 - [c9]Tadafumi Kume, Takaya Yamazato, Koichiro Ban, Hiraku Okada, Masaaki Katayama:
CDMA packet recognition and signal acquisition using LMS-based adaptive receiver. WCNC 2002: 379-383 - 2001
- [c8]Yukihiro Tadokoro
, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa:
A new packet detection scheme in CDMA unslotted ALOHA system with successive interference cancellation. GLOBECOM 2001: 3173-3177 - [c7]Naoki Ichikawa, Masaaki Katayama, Hiraku Okada, Takaya Yamazato
, Akira Ogawa:
Comparison of CDMA and FDMA/TDMA in non-GEO satellite systems. ICC 2001: 3167-3171 - [c6]Satoshi Makido, Takaya Yamazato
, Hiraku Okada, Masaaki Katayama, Akira Ogawa:
A design of source matched MAP receiver for image transmission. ISCAS (4) 2001: 136-139 - [c5]Hui Shi, Masaaki Katayama, Takaya Yamazato, Hiraku Okada, Akira Ogawa:
An adaptive antenna selection scheme for transmit diversity in OFDM systems. VTC Fall 2001: 2168-2172 - 2000
- [c4]Hiraku Okada, Peter M. Grant, Ian W. Band, Akira Ogawa:
Application of MMSE multi-user detection to CDMA unslotted ALOHA system. PIMRC 2000: 529-533 - 1999
- [c3]A. Sandouk, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa:
Throughput improvement of a dual-class multi-code CDMA ALOHA system with modified channel load sensing protocol. ICC 1999: 1079-1083 - 1998
- [c2]Hiraku Okada, Takaya Yamazato
, Masaaki Katayama, Akira Ogawa:
Queueing analysis of CDMA slotted ALOHA systems with finite buffer and finite population assumptions. ICC 1998: 407-411 - 1996
- [c1]Masato Saito, Hiraku Okada, Takahide Sato, Takaya Yamazato
, Masaaki Katayama, Akira Ogawa:
Throughput improvement of CDMA slotted ALOHA system by modified channel load sensing protocol. PIMRC 1996: 103-107
Coauthor Index
![](https://dblp.uni-trier.de/img/cog.dark.24x24.png)
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