Akira Ogawa - researchr alias

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Viewing Publication 1 - 45 from 45

2020

Segmentation of Multi-State Compound Waveform and Extraction of Features for Anomaly DetectionTopon Paul, Takeichiro Nishikawa, Shigeru Maya, Akihiro Itakura, Toshihide Kawachi, Akira Ogawa, Hiroshi Yokota. icmla 2020: 503-510 [doi]

2011

Development and evaluation of a scheme for detecting multiple approaching vehicles through acoustic sensingKensaku Asahi, Hideki Banno, Osami Yamamoto, Akira Ogawa, Keiichi Yamada. ivs 2011: 119-123 [doi]

Randomized strategy equilibrium in the action commitment game with costs of leadingToshihiro Matsumura, Takeshi Murooka, Akira Ogawa. orl, 39(2):115-117, 2011. [doi]

2008

Cross-Lingual Retrieval of Identical News Events by Near-Duplicate Video Segment DetectionAkira Ogawa, Tomokazu Takahashi, Ichiro Ide, Hiroshi Murase. mmm 2008: 287-296 [doi]

2005

Special Section on Information Theory and Its ApplicationsAkira Ogawa. ieicet, 88-A(10):2707, 2005. [doi]

2004

A simple data relay process and turbo code application to wireless sensor networksTakaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa. iswcs 2004: 398-402 [doi]

2003

Construction of the three-dimensional brain tumor model for the operative treatment simulation by 3-D active sphereShunrou Fujiwara, Akio Doi, Kouichi Matsuda, Masashi Kameda, Takashi Inoue, Akira Ogawa. miigp 2003: [doi]

Performance Improvement for Coded OFDM Systems with Adaptive Interleaving in Frequency Selective Fading ChannelMasaaki Harada, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa. ieiceta, 86-A(6):1541-1549, 2003. [doi]

2002

A Symbol Synchronizer for Multi-Carrier Spread-Spectrum SystemsShigetaka Goto, Akira Ogawa. ieiceta, 85-A(12):2881-2885, 2002. [doi]

2001

Comparison of CDMA and FDMA/TDMA in non-GEO satellite systemsNaoki Ichikawa, Masaaki Katayama, Hiraku Okada, Takaya Yamazato, Akira Ogawa. icc 2001: 3167-3171 [doi]

Activation in the Ipsilateral Posterior Parietal Cortex during Tool Use: A PET StudyKentaro Inoue, Ryuta Kawashima, Motoaki Sugiura, Akira Ogawa, Thorsten Schormann, Karl Zilles, Hiroshi Fukuda. neuroimage, 14(6):1469-1475, 2001. [doi]

A design of source matched MAP receiver for image transmissionS. Makido, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa. iscas 2001: 136-139 [doi]

An adaptive antenna selection scheme for transmit diversity in OFDM systemsHui Shi, Masaaki Katayama, Takaya Yamazato, Hiraku Okada, Akira Ogawa. vtc 2001: 2168-2172 [doi]

A new packet detection scheme in CDMA unslotted ALOHA system with successive interference cancellationYukihiro Tadokoro, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa. globecom 2001: 3173-3177 [doi]

2000

OFDM systems with multiple trellis coded modulationMasaaki Harada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa. pimrc 2000: 814-818 [doi]

Throughput evaluation in CDMA/shared-TDD packet systems in a cellular environmentKazuo Mori, Takehiko Kobayashi, Takaya Yamazato, Akira Ogawa. wcnc 2000: 321-326 [doi]

Transmission power control for downlinks in CDMA/shared-TDD cellular packet systemsKazuo Mori, Takehiko Kobayashi, Takaya Yamazato, Akira Ogawa. pimrc 2000: 1520-1524 [doi]

Application of MMSE multi-user detection to CDMA unslotted ALOHA systemHiraku Okada, Peter M. Grant, Ian W. Band, Akira Ogawa. pimrc 2000: 529-533 [doi]

Efficient channel parameter estimators for DS-CDMA systems in slow time-varying channels using a modified version of the SAGE algorithmYoussef R. Senhaji, Takaya Yamazato, Masaaki Katayama, Akira Ogawa. globecom 2000: 1483-1487 [doi]

Multi-Rate Traffic Accommodation Using Multicode Transmission in CDMA Cellular SystemsKohji Takeo, Shinichi Sato, Akira Ogawa. icc 2000: 550-554

1999

1998

1997

Simultaneous estimation of code and frequency of DS/SS signals of multiple-LEO-satellite communication systemsMihoko Ishizu, Masaaki Katayama, Takaya Yamazato, Akira Ogawa. pimrc 1997: 1019-1023 [doi]

Traffic characteristics of LEOS-based global personal communications networksAbbas Jamalipour, Masaaki Katayama, Akira Ogawa. cm, 35(2):118-122, 1997. [doi]

Packet Admission Control in a Direct-Sequence Spread-Spectrum LEO Satellite Communications NetworkAbbas Jamalipour, Akira Ogawa. jsac, 15(8):1649-1656, 1997.

1996

The DS/CDMA system using transmission diversity for indoor wireless communicationsKoichiro Ban, Masaaki Katayama, Takaya Yamazato, Akira Ogawa. pimrc 1996: 808-812 [doi]

A modified power control scheme for remedying the effects of traffic nonuniformity in LEO satellite communications systemsAbbas Jamalipour, Masaaki Katayama, Takaya Yamazato, Akira Ogawa. ijwin, 3(1):29-39, 1996. [doi]

Transmit Permission Control on Spread ALOHA Packets in LEO Satellite SystemsAbbas Jamalipour, Masaaki Katayama, Takaya Yamazato, Akira Ogawa. jsac, 14(9):1748-1757, 1996.

The performance of CDMA system using /spl pi//4-shift QPSK and /spl pi//2-shift BPSK with the nonlinearity of HPAKumud Kashyap, Tadahiro Wada, Masaaki Katayama, Takaya Yamazato, Akira Ogawa. pimrc 1996: 492-496 [doi]

Throughput improvement of CDMA slotted ALOHA system by modified channel load sensing protocolMasato Saito, Hiraku Okada, Takahide Sato, Takaya Yamazato, Masaaki Katayama, Akira Ogawa. pimrc 1996: 103-107 [doi]

Throughput analysis of DS/SSMA unslotted ALOHA system with fixed packet lengthTakahide Sato, Hiraku Okada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa. jsac, 14(4), 1996. [doi]

1995

1994

A novel spread slotted Aloha system with channel load sensing protocolKiyoshi Toshimitsu, Takaya Yamazato, Masaaki Katayama, Akira Ogawa. jsac, 12(4):665-672, 1994. [doi]

Near-far problem on hybrid direct-sequence/slow-frequency-hopping spread-spectrum multiple-accessTakaya Yamazato, Yasuhiko Shinkaji, Masaaki Katayama, Akira Ogawa. pimrc 1994: 319-323 [doi]

1993

Operation Modes for Cooperating with Autonomous Functions in Intelligent Teleoperation SystemsYasuyoshi Yokokohji, Akira Ogawa, Hitoshi Hasunuma, Tsuneo Yoshikawa. icra 1993: 510-515

1983

International Connection of Plesiochronous Networks via TDMA Satellite LinkKazunori Inagaki, Yasuo Hirata, Fumio Takahata, Akira Ogawa, Kunihiko Niwa. jsac, 1(1):188-198, 1983. [doi]

1982

A Digital 60 Channel Transmultiplexer: Algorithm Minimizing Multiplication Rate and Hardware ImplementationFumio Takahata, Kazunori Inagaki, Yasuo Hirata, Akira Ogawa. tcom, 30(7):1511-1519, 1982. [doi]

1978

Development of a TDM/FDM TransmultiplexerFumio Takahata, Yasuo Hirata, Akira Ogawa, Kazunori Inagaki. tcom, 26(5):726-733, 1978. [doi]

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2020

2011

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1999

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1996

1995

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1983

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