Range extended speech decoder for Modulo-PCM. - Masafumi Hagiwara; Masao Nakagawa (ICASSP, 1986)

Implementation of a new type DSP PLL using high performance DSP DSSP-1. - Shinji Ono; T. Aoyama; Masafumi Hagiwara; Masao Nakagawa (ICASSP, 1986)

A Robust and Data Compressed Coding Scheme Using Interpolation Error. - Kiyoshi Mizui; Masafumi Hagiwara; Masao Nakagawa (ICC, 1986)

Modulo-PCM with multi-quantizer. - Kiyoshi Mizui; Masafumi Hagiwara; Masao Nakagawa (ICASSP, 1987)

Ultrasonic nonlinear parameter CT using nonlinear interaction of sound waves. - Yoshikatsu Nakagawa; Masao Nakagawa; Masahide Yoneyama; Makoto Kikuchi (Syst. Comput. Jpn., 1987)

New DSP type phase synchronizer with the method of least squares. - Masafumi Hagiwara; Masao Nakagawa (ICASSP, 1988)

An improved method of embedding data into pictures by modulo masking. - Kentaro Hara; Tadashi Shimomura; Takaaki Hasegawa; Masao Nakagawa (IEEE Trans. Commun., 1988)

A new timing extraction method and data interpolation for block demodulation. - Yutaka Miyake; Masafumi Hagiwara; Masao Nakagawa (ICASSP, 1989)

Phase synchronizer for fading channels with the modified method of least squares. - Hiroyasu Sano; Masafumi Hagiwara; Masao Nakagawa (ICASSP, 1990)

Variable bit rate modulo-pcm using adaptive predictor. - Kiyoshi Mizui; Masafumi Hagiwara; Masao Nakagawa (Syst. Comput. Jpn., 1990)

Kohonen feature maps as a supervised learning machine. - Hiroyuki Ichiki; Masafumi Hagiwara; Masao Nakagawa (ICNN, 1993)

Coherent detector selection diversity system in fading channels. - Shinji Ono; Masao Nakagawa; Masafumi Hagiwara (PIMRC, 1994)

Two stage co-channel interference cancellation in orthogonal multicarrier CDMA in a frequency selective fading channel. - Essam A. Sourour; Masao Nakagawa (PIMRC, 1994)

A modified multi-stage co-channel interference cancellation in asynchronous CDMA systems. - Essam A. Sourour; Masao Nakagawa (PIMRC, 1994)

Time division duplex transmission of direct sequence spread spectrum signals in multipath channels. - Riaz Esmailzadeh; Masao Nakagawa (VTC, 1994)

Guest editorial. Code division multiple access networks. I. - Ahmed K. Elhakeem; Donald L. Schiling; Paul W. Baier; Masao Nakagawa; A. Bush (IEEE J. Sel. Areas Commun., 1994)

Microcellular CDMA system with a linear multiuser interference canceler. - Akihiro Kajiwara; Masao Nakagawa (IEEE J. Sel. Areas Commun., 1994)

Path diversity for FFH/PSK spread-spectrum communication systems. - Yasushi Murata; Riaz Esmailzadeh; Keiji Takakusaki; Essam A. Sourour; Masao Nakagawa (IEEE J. Sel. Areas Commun., 1994)

Pre-RAKE diversity combining in time division duplex CDMA mobile communications. - Riaz Esmailzadeh; Essam A. Sourour; Masao Nakagawa (PIMRC, 1995)

Position Paper on Broadband Wireless. - Masao Nakagawa (PIMRC, 1995)

A Multiuser Interference Cancellation Technique Utilizing Convolutional Codes and Orthogonal Multicarrier Modulation for Wireless Indoor Communications. - Yukitoshi Sanada; Masao Nakagawa (IEEE J. Sel. Areas Commun., 1996)

Performance of orthogonal multicarrier CDMA in a multipath fading channel. - Essam A. Sourour; Masao Nakagawa (IEEE Trans. Commun., 1996)

Parallel Coded Optical Multicarrier Frequency Division Multiplexing: A Potential Step Towards High Speed, High Capacity & High Reliability in Optical Transmission Systems. - Raziq Pervez; Masao Nakagawa (ICC (2), 1997)

Multicarrier assignment with random pulse for multicarrier high speed decentralized wireless LAN. - Takeo Fujii; Hiroyuki Atarashi; Masao Nakagawa (PIMRC, 1997)

Adaptive channel access protocol for asynchronous inter-vehicle communication network using spread spectrum. - Mina Maeda; Masao Nakagawa (PIMRC, 1997)

A forward link intracell orthogonalization technique using multicarrier pre-decorrelation for CDMA wireless local communication system. - Hideyuki Matsutani; Yukitoshi Sanada; Masao Nakagawa (PIMRC, 1997)

An initial sequence acquisition technique for multicarrier time division duplex CDMA systems on a Rayleigh fading channel. - Yukitoshi Sanada; Masao Nakagawa (PIMRC, 1997)

Optical multi-wavelength PPM for high data rate transmission on indoor channels. - Yuichi Tanaka 001; Masao Nakagawa (PIMRC, 1997)

New concepts and technologies for achieving highly reliable and high-capacity multimedia wireless communications systems. - Norihiko Morinaga; Masao Nakagawa; Ryuji Kohno (IEEE Commun. Mag., 1997)

Time-division duplex CDMA communications. - Riaz Esmailzadeh; Masao Nakagawa; Essam A. Sourour (IEEE Wirel. Commun., 1997)

International cooperative research and development of wireless personal communications in Asian-Pacific countries. - Ryuji Kohno; Masao Nakagawa (IEEE Wirel. Commun., 1997)

Battery consumption and handoff examination of a cellular ad-hoc united communication system for operational mobile robots. - Tomoko Adachi; Masao Nakagawa (PIMRC, 1998)

System performance of DS/SS inter-vehicle communication and ranging system under Rician fading channel. - Nobuyoshi Fujimoto; Masao Nakagawa (PIMRC, 1998)

Power control and sector antennas for improved DS/SS inter-vehicle communication. - Lachlan B. Michael; Masao Nakagawa (PIMRC, 1998)

PLL performance of DS-CDMA systems in the presence of phase noise, multiuser interference, and additive Gaussian noise. - Wei Huang; Ivan Andonovic; Masao Nakagawa (IEEE Trans. Commun., 1998)

Transmission Power Control Techniques for the Reverse Link of OFDM-DS-CDMA System. - Sigit Puspito; Wigati Jarot; Masao Nakagawa (ISCC, 1999)

Preface. - Luís M. Correia; Masao Nakagawa (Wirel. Pers. Commun., 1999)

Overlapped-Spot Diversity Using Orthogonal Frequency Division Multiplexing for 60 GHz Indoor Wireless Local Area Network. - Mari Kobayashi; Masao Nakagawa; Takemi Arita; Tomoyuki Udagawa; Akihiro Kajiwara (ICC (3), 2000)

Capacity analysis for a hybrid indoor mobile communication system using cellular and ad-hoc modes. - Tomoko Adachi; Masao Nakagawa (PIMRC, 2000)

Indoor multi-base stations system with simultaneous transmission using OFDM adaptive array antenna. - Takeo Fujii; Masao Nakagawa (PIMRC, 2000)

Transmission antenna diversity for TDD-CDMA with asymmetric modulation in duplex channel. - Incheol Jeong; Masao Nakagawa (PIMRC, 2000)

Optimal access point placement in simultaneous broadcast system using OFDM for indoor wireless LAN. - Mari Kobayashi; Shinichiro Haruyama; Ryuji Kohno; Masao Nakagawa (PIMRC, 2000)

Spatially divided channel scheme using sectored antennas for CSMA/CA "directional CSMA/CA". - Kou Kobayashi; Masao Nakagawa (PIMRC, 2000)

Distributed antenna system using RAKE combining diversity for a multi-carrier DS/CDMA in a frequency selective fading channel. - Kyesan Lee; Masao Nakagawa (PIMRC, 2000)

Wireless optical transmissions with white colored LED for wireless home links. - Yuichi Tanaka 001; Shinichiro Haruyama; Masao Nakagawa (PIMRC, 2000)

Intelligent transportation systems: the role of third-generation mobile radio networks. - Oreste Andrisano; Roberto Verdone; Masao Nakagawa (IEEE Commun. Mag., 2000)

Each Carrier Transmission Power Control with Antenna Carrier Diversity for OFDMDS-CDMA System. - Sigit Puspito Wigati Jarot; Masao Nakagawa (Eur. Trans. Telecommun., 2000)

Transmit multi-antenna diversity for TDD MC-CDMA. - Incheol Jeong; Dong Seung Kwon; Masao Nakagawa (VTC Fall, 2001)

Application of road-to-vehicle communication and ranging system using spread spectrum technique to ADS. - Takashi Kondou; Kiyoshi Mizui; Masao Nakagawa (VTC Fall, 2001)

Multiple antenna transmitter diversity by using adaptive carrier selection for OFDM DS-CDMA in a variable selective fading channel. - Kyesan Lee; Masao Nakagawa (VTC Fall, 2001)

Basic study on traffic information system using LED traffic lights. - Masako Akanegawa; Yuichi Tanaka 001; Masao Nakagawa (IEEE Trans. Intell. Transp. Syst., 2001)

Communication using reflective wave on HAPS. - S. Horikawa; Masao Nakagawa; Takeo Fujii (MWCN, 2002)

Space time transmit site diversity for OFDM multi base station system. - Manabu Inoue; Masao Nakagawa; Takeo Fujii (MWCN, 2002)

Pre-Rake schemes for TDD multi-carrier/DS-CDMA. - Sigit P. W. Jarot; Masao Nakagawa (MWCN, 2002)

Subcarrier selection with variable spreading factor for reverse link of TDD multi-carrier/DS-CDMA system. - Yuh Tamura; Sigit P. W. Jarot; Masao Nakagawa (MWCN, 2002)

Clustered assign code selecting peak power reduction for MC-CDMA. - Takeo Fujii; Masao Nakagawa (PIMRC, 2002)

Dynamic intelligent hub station for Wireless 1394. - Hisanori Tanada; Masao Nakagawa; Tomoyuki Udagawa; Takemi Arita; Honggang Zhang 005 (PIMRC, 2002)

Indoor visible communication utilizing plural white LEDs as lighting. - Yuichi Tanaka 001; Toshihiko Komine; Shinichiro Haruyama; Masao Nakagawa (PIMRC, 2002)

Code selecting peak power reduction for MC-CDMA. - Takeo Fujii; Masao Nakagawa (WCNC, 2002)

Adaptive Clipping Level Control for OFDM Peak Power Reduction Using Clipping and Filtering. - Takeo Fujii; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Frequency offset compensation with MMSE-MUD for multi-carrier CDMA in quasi-synchronous uplink. - Osamu Takyu; Tomoaki Ohtsuki; Masao Nakagawa (ICC, 2003)

Evaluation on effect of errors on haptic information in wireless communication system. - Takeshi Marugame; Atsushi Kamikura; Makoto Ohnishi; Masao Nakagawa (IROS, 2003)

Ubiquitous homelinks based on IEEE 1394 and ultra wideband solutions. - Masao Nakagawa; Honggang Zhang 005; Hideaki Sato (IEEE Commun. Mag., 2003)

Integrated system of white LED visible-light communication and power-line communication. - Toshihiko Komine; Masao Nakagawa (IEEE Trans. Consumer Electron., 2003)

TDD-CDMA for the 4th generation of wireless communications. - Riaz Esmailzadeh; Masao Nakagawa; Alan Jones (IEEE Wirel. Commun., 2003)

Kinematic calibration on a parallel kinematic machine tool of the Stewart platform by circular tests. - Soichi Ibaraki; Takeshi Yokawa; Yoshiaki Kakino; Masao Nakagawa; Tetsuya Matsushita (ACC, 2004)

M-ary pulse shape modulation for PSWF-based UWB systems in multipath fading environment. - Kazuto Usuda; Honggang Zhang 005; Masao Nakagawa (GLOBECOM, 2004)

Transmit Selection Diversity for TDD-CDMA with Asymmetric Modulation in Duplex Channel. - Incheol Jeong; Masao Nakagawa (ICT, 2004)

Performance evaluation of visible-light wireless communication system using white LED lightings. - Toshihiko Komine; Masao Nakagawa (ISCC, 2004)

A study of shadowing on indoor visible-light wireless communication utilizing plural white LED lightings. - Toshihiko Komine; Masao Nakagawa (ISWCS, 2004)

Companding system with time clustering. - Osamu Takyu; Tomoaki Ohtsuki; Masao Nakagawa (PIMRC, 2004)

A UWB repeater with a short relaying-delay for range extension. - Chihong Cho; Honggang Zhang 005; Masao Nakagawa (WCNC, 2004)

Pre-Rake performance for pulse based UWB system in a standardized UWB short-range channel. - Kazuto Usuda; Honggang Zhang 005; Masao Nakagawa (WCNC, 2004)

A novel soft handoff technique using STTD for MC-CDMA in a frequency selective fading channel. - Kyesan Lee; Masao Nakagawa (Eur. Trans. Telecommun., 2004)

Fundamental analysis for visible-light communication system using LED lights. - Toshihiko Komine; Masao Nakagawa (IEEE Trans. Consumer Electron., 2004)

Analysis on Performance of Bilateral Robot System Using Wireless Communication. - Takeshi Marugame; Makoto Ohnishi; Masao Nakagawa (WHC, 2005)

Joint Transmission for Space Time Block Coded TD-SCDMA. - Norharyati Binti Harum; Riaz Esmailzadeh; Masao Nakagawa (PIMRC, 2005)

Pre-Rake System Applied with Frequency Domain Equalization In Multi-Code TDD-CDMA. - JunHwan Lee; Masao Nakagawa (PIMRC, 2005)

Two-stage random-access for multihop systems. - Yoichiro Mizuno; Ryo Hasegawa; Riaz Esmailzadeh; Masao Nakagawa (PIMRC, 2005)

Analysis of Performance Degradation due to Channel Estimation Error in Pre-Rake TDD/CDMA. - Norharyati Binti Harum; Yuh Tamura; Sigit P. W. Jarot; Riaz Esmailzadeh; Masao Nakagawa (IEICE Trans. Commun., 2005)

Criterion for Reducing Error Rate Degradation by Nonlinear Amplifier for Multicarrier Transmission. - Osamu Takyu; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Commun., 2005)

A Study of Shadowing on Indoor Visible-Light Wireless Communication Utilizing Plural White LED Lightings. - Toshihiko Komine; Shinichiro Haruyama; Masao Nakagawa (Wirel. Pers. Commun., 2005)

Subcarrier modulation for visible-light communication using imaging sensor. - Dai Yamanaka; Shinichiro Haruyama; Masao Nakagawa (Communications and Computer Networks, 2006)

PSWF-based direct-sequence UWB transmission using orthogonal ternary code sets. - Chihong Cho; Masao Nakagawa; Honggang Zhang 005; Zheng Zhou (CCNC, 2006)

Visible light communication with LED-based traffic lights using 2-dimensional image sensor. - Haswani Binti Che Wook; Toshihiko Komine; Shinichiro Haruyama; Masao Nakagawa (CCNC, 2006)

Relay method of sending soft decided symbol in cooperative communication. - Yuki Fukuyama; Osamu Takyu; Koichi Adachi; Masao Nakagawa (Communication Systems and Networks, 2006)

Inter-vehicle communication and ranging method using LED rear lights. - Tsubasa Saito; Shinichiro Haruyama; Masao Nakagawa (Communication Systems and Networks, 2006)

Same-entity interference-aware retransmission system for TD-CDMA with random slot allocation (RSA). - Ichiro Tamaki; Riaz Esmailzadeh; Masao Nakagawa (Communication Systems and Networks, 2006)

IP Packet Loss Compensation Scheme with Bicast and Forwarding for Handover in Mobile Communications. - Masahiko Saito; Akihito Morimoto; Osamu Takyu; Masao Nakagawa (PIMRC, 2006)

LDPC Coded Iterative Signal Detection Based on QRD-M with CRC Check. - Koichi Adachi; Masao Nakagawa (VTC Fall, 2006)

Iterative Modified QRM-MLD Based on CRC Check for OFDM MIMO Multiplexing. - Koichi Adachi; Masao Nakagawa (VTC Spring, 2006)

Iterative QRM-MLD with Pilot-Assisted Decision Directed Channel Estimation for OFDM MIMO Multiplexing. - Koichi Adachi; Riaz Esmailzadeh; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

PSWF-Based Direct-Sequence UWB Transmission Using Orthogonal Ternary Code Sets. - Chihong Cho; Honggang Zhang 005; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Evaluation of Asymmetric TDD Systems Employing AMC and HARQ by Considering MCS Selection Errors. - Nandar Lynn; Osamu Takyu; Riaz Esmailzadeh; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Two-Stage Random-Access Using Two-Hop Relay for Multi-Hop Systems. - Yoichiro Mizuno; Ryo Hasegawa; Riaz Esmailzadeh; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Experimental Investigation of Modulation Method for Visible-Light Communications. - Hidemitsu Sugiyama; Shinichiro Haruyama; Masao Nakagawa (IEICE Trans. Commun., 2006)

Companding System Based on Time Clustering for Reducing Peak Power of OFDM Symbol in Wireless Communications. - Osamu Takyu; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems. - Osamu Takyu; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Commun., 2006)

Visible Light Communication with LED Traffic Lights Using 2-Dimensional Image Sensor. - Haswani Binti Che Wook; Shinichiro Haruyama; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Measurement and Analysis of Performance of Human Perception for Information Communication Technology. - Hidetoshi Nakayasu; Masao Nakagawa; Hidehiko Hayashi (HCI (8), 2007)

IFDM for Downlink Wireless Access Scheme and Performance Comparison to MC-CDM. - Osamu Takyu; Masao Nakagawa (PIMRC, 2007)

On Cellular MIMO Spectrum Efficiency. - Koichi Adachi; Fumiyuki Adachi; Masao Nakagawa (VTC Fall, 2007)

Iterative Modified QRD-M Based on CRC Codes for OFDM MIMO Multiplexing. - Koichi Adachi; Masao Nakagawa (IEICE Trans. Commun., 2007)

Theoretical Analysis of Decision Directed Block Iterative Channel Estimation for OFDM Mobile Radio. - Koichi Adachi; Masao Nakagawa (IEICE Trans. Commun., 2007)

A Short Delay Relay Scheme Using Shared Frequency Repeater for UWB Impulse Radio. - Chihong Cho; Honggang Zhang 001; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Relay Method of Sending Soft Decision Symbol Based on the Result of Error Detecting Code in Cooperative Communication. - Yuki Fukuyama; Osamu Takyu; Koichi Adachi; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Double Window Cancellation and Combining for OFDM in Time-Invariant Large Delay Spread Channel. - JunHwan Lee; Yoshihisa Kishiyama; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Frequency Sharing Secondary System with Carrier Sense Assisted by Cellular System. - Anwida Prompijit; Chinnapat Sertthin; Masao Nakagawa; Takeo Fujii (CrownCom, 2008)

Frequency rotation for suppressing path interference and achieving large frequency diversity in uplink IFDMA. - Osamu Takyu; Yohtaro Umeda; Masao Nakagawa (PIMRC, 2008)

Cellular MIMO Channel Capacities of MC-CDMA and OFDM. - Koichi Adachi; Fumiyuki Adachi; Masao Nakagawa (VTC Spring, 2008)

Bit-Wise Error Detection Based Iterative Signal Detection for OFDM MIMO Multiplexing. - Koichi Adachi; Masao Nakagawa (WCNC, 2008)

On Cellular MIMO Channel Capacity. - Koichi Adachi; Fumiyuki Adachi; Masao Nakagawa (IEICE Trans. Commun., 2008)

IP Packet Loss Prevention Scheme with Bicast and Forwarding for Handover in Mobile Communications. - Masahiko Saito; Akihito Morimoto; Masao Nakagawa (IEICE Trans. Commun., 2008)

Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing. - Osamu Takyu; Masao Nakagawa (IEICE Trans. Commun., 2008)

Determination of Inspection Threshold Using Perceptive Sensitivities of Experienced Panel. - Masao Nakagawa; Hidetoshi Nakayasu; Tetsuya Miyoshi (HCI (8), 2009)

Phase Rotation/MC-CDMA for Uplink Transmission. - Koichi Adachi; Masao Nakagawa (MCSS, 2009)

Performance of turbo equalized double window cancellation and combining in large delay spread channels. - JunHwan Lee; Tomoaki Ohtsuki; Masao Nakagawa (PIMRC, 2009)

Multiband received signal strength fingerprint based location system. - Chinnapat Sertthin; Takeo Fujii; Masao Nakagawa (PIMRC, 2009)

Virtual MIMO Space Division Multiplexing for MC-CDMA. - Koichi Adachi; Fumiyuki Adachi; Masao Nakagawa (VTC Fall, 2009)

Channel Capacity of MC-CDMA and Impact of Residual ICI. - Koichi Adachi; Fumiyuki Adachi; Masao Nakagawa (IEICE Trans. Commun., 2009)

Turbo Equalized Double Window Cancellation and Combining Robust to Large Delay Spread Channel. - JunHwan Lee; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Commun., 2009)

Experimental Evaluation of Time Diversity Effect in Hybrid ARQ Considering Space and Path Diversity for Downlink OFDM-Based Broadband Radio Access. - Nobuhiko Miki; Hiroyuki Atarashi; Kenichi Higuchi; Mamoru Sawahashi; Masao Nakagawa (IEICE Trans. Commun., 2009)

Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink. - Nobuhiko Miki; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi; Masao Nakagawa (IEICE Trans. Commun., 2009)

Adaptive Modulation and Code Channel Elimination for Vector Coding System. - Daisuke Takeda; Masao Nakagawa (IEICE Trans. Commun., 2009)

Adaptive equalization system for visible light wireless communication utilizing multiple white LED lighting equipment. - Toshihiko Komine; JunHwan Lee; Shinichiro Haruyama; Masao Nakagawa (IEEE Trans. Wirel. Commun., 2009)

Impact of Frequency Diversity and Multi-User Diversity in IFDMA. - Yuichi Kazama; Akira Yamasaki; Koichi Adachi; Masao Nakagawa (VTC Spring, 2010)

Iterative Interference Cancellation for Multi-Code PR/MC-CDMA. - Koichi Adachi; Masao Nakagawa (WCNC, 2010)

On the Construction of Orthogonal Spreading Code Groups for MC-CDMA with FDE in a Frequency Selective Channel. - Koichi Adachi; Masao Nakagawa (IEICE Trans. Commun., 2010)

Multi-Band Received Signal Strength Fingerprinting Based Indoor Location System. - Chinnapat Sertthin; Takeo Fujii; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Commun., 2010)

6-Axis Sensor Assisted Low Complexity High Accuracy-Visible Light Communication Based Indoor Positioning System. - Chinnapat Sertthin; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Commun., 2010)

Frequency Rotation for Suppressing Multipath Interference and Achieving Large Frequency Diversity in Uplink IFDMA. - Osamu Takyu; Yohtaro Umeda; Masao Nakagawa (IEICE Trans. Commun., 2010)

Phase Rotation for Constructing Uniform Frequency Spectrum in IFDMA Communication. - Takeo Yamasaki; Osamu Takyu; Koichi Adachi; Yohtaro Umeda; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks. - Nandar Lynn; Osamu Takyu; Koichi Adachi; Masao Nakagawa; Tomoaki Ohtsuki (J. Commun., 2011)

PAPR Reduction of TDD-CDMA Using Joint Transmission Technique. - Norharyati Binti Harum; Tomoaki Ohtsuki; Masao Nakagawa (IEICE Trans. Commun., 2012)

Foreword. - Masao Nakagawa (IEICE Trans. Commun., 2017)

Reversing Behavior of Planetary Gear Train Influenced by Support Stiffness of Driving Shaft. - Seiya Hamada; Kazutoshi Otokodani; Masao Nakagawa; Toshiki Hirogaki; Eiichi Aoyama (Int. J. Autom. Technol., 2021)

Improvement of Accuracy of Position and Orientation Estimation of AMR Using Camera Tracking and SLAM. - Yasuaki Omi; Hibiki Sasa; Daiki Kato; Eiichi Aoyama; Toshiki Hirogaki; Masao Nakagawa (J. Robotics Mechatronics, 2025)

Development of Shape-Mimetics Wireless Monitoring System by 3D Printer and its Application to Grasp-Less Handling Based on Ball Rolling Motion with a Dual-Arm Robot and Egg Washing Inspection Process. - Hiroaki Hanai; Yuma Mita; Yuiga Wada; Masao Nakagawa; Toshiki Hirogaki; Eiichi Aoyama (Int. J. Autom. Technol., 2025)

AI-Driven Framework for Optimizing and Predicting Hole Geometry in Multilayer Composite Substrates for Laser Drilling. - Soma Nowatari; Takuto Fujimoto; Masao Nakagawa; Toshiki Hirogaki; Eiichi Aoyama (Int. J. Autom. Technol., 2025)