| 2010 | VTC | Impact of Frequency Diversity and Multi-User Diversity in IFDMA. | Yuichi Kazama, Akira Yamasaki, Koichi Adachi, Masao Nakagawa |
| 2010 | WCNC | Iterative Interference Cancellation for Multi-Code PR/MC-CDMA. | Koichi Adachi, Masao Nakagawa |
| 2009 | HCI | Determination of Inspection Threshold Using Perceptive Sensitivities of Experienced Panel. | Masao Nakagawa, Hidetoshi Nakayasu, Tetsuya Miyoshi |
| 2009 | PIMRC | Performance of turbo equalized double window cancellation and combining in large delay spread channels. | JunHwan Lee, Tomoaki Ohtsuki, Masao Nakagawa |
| 2009 | PIMRC | Multiband received signal strength fingerprint based location system. | Chinnapat Sertthin, Takeo Fujii, Masao Nakagawa |
| 2009 | VTC | Virtual MIMO Space Division Multiplexing for MC-CDMA. | Koichi Adachi, Fumiyuki Adachi, Masao Nakagawa |
| 2009 | WCNC | On the construction of orthogonal spreading code groups for MC-CDMA with FDE in a frequency selective channel. | Koichi Adachi, Masao Nakagawa |
| 2008 | PIMRC | Frequency rotation for suppressing path interference and achieving large frequency diversity in uplink IFDMA. | Osamu Takyu, Yohtaro Umeda, Masao Nakagawa |
| 2008 | VTC | Cellular MIMO Channel Capacities of MC-CDMA and OFDM. | Koichi Adachi, Fumiyuki Adachi, Masao Nakagawa |
| 2008 | WCNC | Bit-Wise Error Detection Based Iterative Signal Detection for OFDM MIMO Multiplexing. | Koichi Adachi, Masao Nakagawa |
| 2007 | GLOBECOM | Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing. | Osamu Takyu, Masao Nakagawa |
| 2007 | HCI | Measurement and Analysis of Performance of Human Perception for Information Communication Technology. | Hidetoshi Nakayasu, Masao Nakagawa, Hidehiko Hayashi |
| 2007 | PIMRC | IFDM for Downlink Wireless Access Scheme and Performance Comparison to MC-CDM. | Osamu Takyu, Masao Nakagawa |
| 2007 | VTC | On Cellular MIMO Spectrum Efficiency. | Koichi Adachi, Fumiyuki Adachi, Masao Nakagawa |
| 2006 | PIMRC | IP Packet Loss Compensation Scheme with Bicast and Forwarding for Handover in Mobile Communications. | Masahiko Saito, Akihito Morimoto, Osamu Takyu, Masao Nakagawa |
| 2006 | VTC | LDPC Coded Iterative Signal Detection Based on QRD-M with CRC Check. | Koichi Adachi, Masao Nakagawa |
| 2006 | VTC | Iterative Modified QRM-MLD Based on CRC Check for OFDM MIMO Multiplexing. | Koichi Adachi, Masao Nakagawa |
| 2005 | PIMRC | Joint Transmission for Space Time Block Coded TD-SCDMA. | Norharyati Binti Harum, Riaz Esmailzadeh, Masao Nakagawa |
| 2005 | PIMRC | Pre-Rake System Applied with Frequency Domain Equalization In Multi-Code TDD-CDMA. | JunHwan Lee, Masao Nakagawa |
| 2005 | PIMRC | Two-stage random-access for multihop systems. | Yoichiro Mizuno, Ryo Hasegawa, Riaz Esmailzadeh, Masao Nakagawa |
| 2004 | GLOBECOM | M-ary pulse shape modulation for PSWF-based UWB systems in multipath fading environment. | Kazuto Usuda, Honggang Zhang, Masao Nakagawa |
| 2004 | ISCC | Performance evaluation of visible-light wireless communication system using white LED lightings. | Toshihiko Komine, Masao Nakagawa |
| 2004 | PIMRC | Companding system with time clustering. | Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa |
| 2004 | WCNC | A UWB repeater with a short relaying-delay for range extension. | Chihong Cho, Honggang Zhang, Masao Nakagawa |
| 2004 | WCNC | Pre-Rake performance for pulse based UWB system in a standardized UWB short-range channel. | Kazuto Usuda, Honggang Zhang, Masao Nakagawa |
| 2003 | IROS | Evaluation on effect of errors on haptic information in wireless communication system. | Takeshi Marugame, Atsushi Kamikura, Makoto Ohnishi, Masao Nakagawa |
| 2003 | PIMRC | 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 |
| 2002 | PIMRC | Clustered assign code selecting peak power reduction for MC-CDMA. | Takeo Fujii, Masao Nakagawa |
| 2002 | PIMRC | Integrated system of white LED visible-light communication and power-line communication. | Toshihiko Komine, Masao Nakagawa |
| 2002 | PIMRC | Dynamic intelligent hub station for Wireless 1394. | Hisanori Tanada, Masao Nakagawa, Tomoyuki Udagawa, Takemi Arita, Honggang Zhang |
| 2002 | PIMRC | Indoor visible communication utilizing plural white LEDs as lighting. | Yuichi Tanaka, Toshihiko Komine, Shinichiro Haruyama, Masao Nakagawa |
| 2002 | WCNC | Code selecting peak power reduction for MC-CDMA. | Takeo Fujii, Masao Nakagawa |
| 2001 | VTC | Transmit multi-antenna diversity for TDD MC-CDMA. | Incheol Jeong, Dong Seung Kwon, Masao Nakagawa |
| 2001 | VTC | Application of road-to-vehicle communication and ranging system using spread spectrum technique to ADS. | Takashi Kondou, Kiyoshi Mizui, Masao Nakagawa |
| 2001 | VTC | Multiple antenna transmitter diversity by using adaptive carrier selection for OFDM DS-CDMA in a variable selective fading channel. | Kyesan Lee, Masao Nakagawa |
| 2000 | PIMRC | Capacity analysis for a hybrid indoor mobile communication system using cellular and ad-hoc modes. | Tomoko Adachi, Masao Nakagawa |
| 2000 | PIMRC | Indoor multi-base stations system with simultaneous transmission using OFDM adaptive array antenna. | Takeo Fujii, Masao Nakagawa |
| 2000 | PIMRC | Transmission antenna diversity for TDD-CDMA with asymmetric modulation in duplex channel. | Incheol Jeong, Masao Nakagawa |
| 2000 | PIMRC | Optimal access point placement in simultaneous broadcast system using OFDM for indoor wireless LAN. | Mari Kobayashi, Shinichiro Haruyama, Ryuji Kohno, Masao Nakagawa |
| 2000 | PIMRC | Spatially divided channel scheme using sectored antennas for CSMA/CA "directional CSMA/CA". | Kou Kobayashi, Masao Nakagawa |
| 2000 | PIMRC | Distributed antenna system using RAKE combining diversity for a multi-carrier DS/CDMA in a frequency selective fading channel. | Kyesan Lee, Masao Nakagawa |
| 2000 | PIMRC | Wireless optical transmissions with white colored LED for wireless home links. | Yuichi Tanaka, Shinichiro Haruyama, Masao Nakagawa |
| 1999 | ISCC | Transmission Power Control Techniques for the Reverse Link of OFDM-DS-CDMA System. | Sigit Puspito, Wigati Jarot, Masao Nakagawa |
| 1998 | PIMRC | Battery consumption and handoff examination of a cellular ad-hoc united communication system for operational mobile robots. | Tomoko Adachi, Masao Nakagawa |
| 1998 | PIMRC | System performance of DS/SS inter-vehicle communication and ranging system under Rician fading channel. | Nobuyoshi Fujimoto, Masao Nakagawa |
| 1998 | PIMRC | Power control and sector antennas for improved DS/SS inter-vehicle communication. | Lachlan B. Michael, Masao Nakagawa |
| 1997 | PIMRC | Multicarrier assignment with random pulse for multicarrier high speed decentralized wireless LAN. | Takeo Fujii, Hiroyuki Atarashi, Masao Nakagawa |
| 1997 | PIMRC | Adaptive channel access protocol for asynchronous inter-vehicle communication network using spread spectrum. | Mina Maeda, Masao Nakagawa |
| 1997 | PIMRC | A forward link intracell orthogonalization technique using multicarrier pre-decorrelation for CDMA wireless local communication system. | Hideyuki Matsutani, Yukitoshi Sanada, Masao Nakagawa |
| 1997 | PIMRC | An initial sequence acquisition technique for multicarrier time division duplex CDMA systems on a Rayleigh fading channel. | Yukitoshi Sanada, Masao Nakagawa |
| 1997 | PIMRC | Optical multi-wavelength PPM for high data rate transmission on indoor channels. | Yuichi Tanaka, Masao Nakagawa |
| 1995 | PIMRC | Pre-RAKE diversity combining in time division duplex CDMA mobile communications. | Riaz Esmailzadeh, Essam A. Sourour, Masao Nakagawa |
| 1995 | PIMRC | Position Paper on Broadband Wireless. | Masao Nakagawa |
| 1994 | PIMRC | Coherent detector selection diversity system in fading channels. | Shinji Ono, Masao Nakagawa, Masafumi Hagiwara |
| 1994 | PIMRC | Two stage co-channel interference cancellation in orthogonal multicarrier CDMA in a frequency selective fading channel. | Essam A. Sourour, Masao Nakagawa |
| 1994 | PIMRC | A modified multi-stage co-channel interference cancellation in asynchronous CDMA systems. | Essam A. Sourour, Masao Nakagawa |
| 1994 | VTC | Time division duplex transmission of direct sequence spread spectrum signals in multipath channels. | Riaz Esmailzadeh, Masao Nakagawa |
| 1990 | ICASSP | Phase synchronizer for fading channels with the modified method of least squares. | Hiroyasu Sano, Masafumi Hagiwara, Masao Nakagawa |
| 1989 | ICASSP | A new timing extraction method and data interpolation for block demodulation. | Yutaka Miyake, Masafumi Hagiwara, Masao Nakagawa |
| 1988 | ICASSP | New DSP type phase synchronizer with the method of least squares. | Masafumi Hagiwara, Masao Nakagawa |
| 1987 | ICASSP | Modulo-PCM with multi-quantizer. | Kiyoshi Mizui, Masafumi Hagiwara, Masao Nakagawa |
| 1986 | ICASSP | Range extended speech decoder for Modulo-PCM. | Masafumi Hagiwara, Masao Nakagawa |
| 1986 | ICASSP | Implementation of a new type DSP PLL using high performance DSP DSSP-1. | Shinji Ono, T. Aoyama, Masafumi Hagiwara, Masao Nakagawa |