Akira Ogawa

45 papers B 17C 2Journal 15Unranked 11
YearRankTypeTitle / Venue / Authors
2020 C conf
Segmentation of Multi-State Compound Waveform and Extraction of Features for Anomaly Detection.
ICMLA
Topon Kumar Paul, Takeichiro Nishikawa, Shigeru Maya, Akihiro Itakura, Toshihide Kawachi, Akira Ogawa, Hiroshi Yokota
2011 B conf
Development and evaluation of a scheme for detecting multiple approaching vehicles through acoustic sensing.
Intelligent Vehicles Symposium
Kensaku Asahi, Hideki Banno, Osami Yamamoto, Akira Ogawa, Keiichi Yamada
2011 J jnl
Randomized strategy equilibrium in the action commitment game with costs of leading.
Oper. Res. Lett.
Toshihiro Matsumura, Takeshi Murooka, Akira Ogawa
2008 B conf
Cross-Lingual Retrieval of Identical News Events by Near-Duplicate Video Segment Detection.
MMM
Akira Ogawa, Tomokazu Takahashi, Ichiro Ide, Hiroshi Murase
2005 J jnl
Special Section on Information Theory and Its Applications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akira Ogawa
2004 — conf
A simple data relay process and turbo code application to wireless sensor networks.
ISWCS
Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa
2003 — conf
Construction of the three-dimensional brain tumor model for the operative treatment simulation by 3-D active sphere.
Image-Guided Procedures
Shunrou Fujiwara, Akio Doi, Kouichi Matsuda, Masashi Kameda, Takashi Inoue, Akira Ogawa
2003 J jnl
Performance Improvement for Coded OFDM Systems with Adaptive Interleaving in Frequency Selective Fading Channel.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masaaki Harada, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa
2002 J jnl
A Symbol Synchronizer for Multi-Carrier Spread-Spectrum Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shigetaka Goto, Akira Ogawa
2001 — conf
A design of source matched MAP receiver for image transmission.
ISCAS (4)
Satoshi Makido, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa
2001 B conf
A new packet detection scheme in CDMA unslotted ALOHA system with successive interference cancellation.
GLOBECOM
Yukihiro Tadokoro, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
2001 J jnl
Activation in the Ipsilateral Posterior Parietal Cortex during Tool Use: A PET Study.
NeuroImage
Kentaro Inoue, Ryuta Kawashima, Motoaki Sugiura, Akira Ogawa, Thorsten Schormann, Karl Zilles, Hiroshi Fukuda
2001 — conf
An adaptive antenna selection scheme for transmit diversity in OFDM systems.
VTC Fall
Hui Shi, Masaaki Katayama, Takaya Yamazato, Hiraku Okada, Akira Ogawa
2001 — conf
Comparison of CDMA and FDMA/TDMA in non-GEO satellite systems.
ICC
Naoki Ichikawa, Masaaki Katayama, Hiraku Okada, Takaya Yamazato, Akira Ogawa
2000 B conf
Application of MMSE multi-user detection to CDMA unslotted ALOHA system.
PIMRC
Hiraku Okada, Peter M. Grant, Ian W. Band, Akira Ogawa
2000 B conf
Efficient channel parameter estimators for DS-CDMA systems in slow time-varying channels using a modified version of the SAGE algorithm.
GLOBECOM
Youssef R. Senhaji, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
2000 — conf
Multi-Rate Traffic Accommodation Using Multicode Transmission in CDMA Cellular Systems.
ICC (1)
Kohji Takeo, Shinichi Sato, Akira Ogawa
2000 B conf
OFDM systems with multiple trellis coded modulation.
PIMRC
Masaaki Harada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
2000 B conf
Throughput evaluation in CDMA/shared-TDD packet systems in a cellular environment.
WCNC
Kazuo Mori, Takehiko Kobayashi, Takaya Yamazato, Akira Ogawa
2000 B conf
Transmission power control for downlinks in CDMA/shared-TDD cellular packet systems.
PIMRC
Kazuo Mori, Takehiko Kobayashi, Takaya Yamazato, Akira Ogawa
1999 — conf
A new acquisition scheme of a DS/SS signal with transmit and receive antenna diversity.
ICC
Y. Ikai, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1999 C conf
Interactive Variable Classification Technique to Support the Maintenance of COBOL Business Application Systems.
APSEC
Keiko Kawabe, Akihiko Matsuo, Sanya Uehara, Akira Ogawa
1999 — conf
Throughput improvement of a dual-class multi-code CDMA ALOHA system with modified channel load sensing protocol.
ICC
A. Sandouk, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
1998 B conf
Problems of implementing adaptive array antennas in CDMA systems.
PIMRC
Akihito Morimoto, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1998 — conf
Queueing analysis of CDMA slotted ALOHA systems with finite buffer and finite population assumptions.
ICC
Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
1998 — conf
Variable Classification Technique and Application to the Year 2000 Problem.
CSMR
Keiko Kawabe, Akihiko Matsuo, Sanya Uehara, Akira Ogawa
1997 J jnl
Packet Admission Control in a Direct-Sequence Spread-Spectrum LEO Satellite Communications Network.
IEEE J. Sel. Areas Commun.
Abbas Jamalipour, Akira Ogawa
1997 B conf
Simultaneous estimation of code and frequency of DS/SS signals of multiple-LEO-satellite communication systems.
PIMRC
Mihoko Ishizu, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1997 J jnl
Traffic characteristics of LEOS-based global personal communications networks.
IEEE Commun. Mag.
Abbas Jamalipour, Masaaki Katayama, Akira Ogawa
1996 J jnl
A modified power control scheme for remedying the effects of traffic nonuniformity in LEO satellite communications systems.
Int. J. Wirel. Inf. Networks
Abbas Jamalipour, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1996 B conf
The DS/CDMA system using transmission diversity for indoor wireless communications.
PIMRC
Koichiro Ban, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1996 B conf
The performance of CDMA system using π/4-shift QPSK and π/2-shift BPSK with the nonlinearity of HPA.
PIMRC
Kumud Kashyap, Tadahiro Wada, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1996 J jnl
Throughput analysis of DS/SSMA unslotted ALOHA system with fixed packet length.
IEEE J. Sel. Areas Commun.
Takahide Sato, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
1996 B conf
Throughput improvement of CDMA slotted ALOHA system by modified channel load sensing protocol.
PIMRC
Masato Saito, Hiraku Okada, Takahide Sato, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
1996 J jnl
Transmit Permission Control on Spread ALOHA Packets in LEO Satellite Systems.
IEEE J. Sel. Areas Commun.
Abbas Jamalipour, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1995 B conf
A new block demodulator for DS/SS signal with carrier frequency offset.
PIMRC
Shinji Okuda, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1995 B conf
A preliminary study of a multimedia SSMA system considering the interactions between the signals.
PIMRC
Motohiro Ichiba, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1995 B conf
Coordinate-by-coordinate interleaved trellis coded QPSK with T-algorithm on Rayleigh fading channels.
PIMRC
Hiroki Nakamura, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
1995 J jnl
Performance of an Integrated Voice/Data System in Nonuniform Traffic Low Earth-Orbit Satellite Communication Systems.
IEEE J. Sel. Areas Commun.
Abbas Jamalipour, Masaaki Katayama, Takaya Yamazato, Akira Ogawa
1994 J jnl
A novel spread slotted Aloha system with channel load sensing protocol.
IEEE J. Sel. Areas Commun.
Kiyoshi Toshimitsu, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
1994 B conf
Near-far problem on hybrid direct-sequence/slow-frequency-hopping spread-spectrum multiple-access.
PIMRC
Takaya Yamazato, Yasuhiko Shinkaji, Masaaki Katayama, Akira Ogawa
1993 — conf
Operation Modes for Cooperating with Autonomous Functions in Intelligent Teleoperation Systems.
ICRA (3)
Yasuyoshi Yokokohji, Akira Ogawa, Hitoshi Hasunuma, Tsuneo Yoshikawa
1983 J jnl
International Connection of Plesiochronous Networks via TDMA Satellite Link.
IEEE J. Sel. Areas Commun.
Kazunori Inagaki, Yasuo Hirata, Fumio Takahata, Akira Ogawa, Kunihiko Niwa
1982 J jnl
A Digital 60 Channel Transmultiplexer: Algorithm Minimizing Multiplication Rate and Hardware Implementation.
IEEE Trans. Commun.
Fumio Takahata, Kazunori Inagaki, Yasuo Hirata, Akira Ogawa
1978 J jnl
Development of a TDM/FDM Transmultiplexer.
IEEE Trans. Commun.
Fumio Takahata, Yasuo Hirata, Akira Ogawa, Kazunori Inagaki