IEICE Trans

Ikuo OKA

A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application Hisashi IWAMOTO Yuji YANO Yasuto KURODA Koji YAMAMOTO Kazunari INOUE Ikuo OKA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/08/01 Vol. E96-C No. 8 pp. 1076-1082 Type of Manuscript: PAPER Category: Integrated Electronics Keyword: router, address lookup, power consumption, search engine, TCAM, low power,
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FPS-RAM: Fast Prefix Search RAM-Based Hardware for Forwarding Engine Kazuya ZAITSU Koji YAMAMOTO Yasuto KURODA Kazunari INOUE Shingo ATA Ikuo OKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/07/01 Vol. E95-B No. 7 pp. 2306-2314 Type of Manuscript: PAPER Category: Network System Keyword: IP router, address lookup, ternary content addressable memory (TCAM), power consumption, field programmable gate array (FPGA), circuit design,
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Basis Vector Estimation Analysis for Identification of Block Orthogonal Modulations Takafumi KINUGASA Ikuo OKA Shingo ATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/05/01 Vol. E95-B No. 5 pp. 1882-1885 Type of Manuscript: LETTER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: modulation identification, block orthogonal modulation, symbol error probability, multidimensional rotation,
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Estimating Environment-Independent Parameters on Basis of Comparative Assessment of User's Subjectivity Yasuhiro SATO Shin'ichiro KITANO Shingo ATA Ikuo OKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/08/01 Vol. E94-B No. 8 pp. 2265-2273 Type of Manuscript: PAPER Category: Network Keyword: subjective assessment, comparative evaluation, quality of service, bulk transmission,
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Error Probability Analysis of Majority Decision in Tree Network Composed of BSC Kazutaka NISHINO Shinji TANI Ikuo OKA Shingo ATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/02/01 Vol. E94-B No. 2 pp. 562-564 Type of Manuscript: LETTER Category: Network Keyword: wireless sensor network, path diversity, binary tree network, binary symmetric channel,
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FOREWORD Ikuo OKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/11/01 Vol. E93-A No. 11 pp. 1867-1867 Type of Manuscript: FOREWORD Category: Keyword:
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Inferring Network Impact Factors: Applying Mixed Distribution to Measured RTTs Yasuhiro SATO Shingo ATA Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/04/01 Vol. E92-B No. 4 pp. 1233-1243 Type of Manuscript: PAPER Category: Network Keyword: delay characteristics, round trip time (RTT), mixed distribution, network behavior,
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Effective Bit Selection Methods for Improving Performance of Packet Classifications on IP Routers Gang QIN Shingo ATA Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/05/01 Vol. E90-B No. 5 pp. 1090-1097 Type of Manuscript: PAPER Category: Switching for Communications Keyword: patricia trie, content addressable memory, quality of service, backbone router, edge router,
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Cutoff Rate of m-ary PPM in APD Based Free Space Optical Channels Ikuo OKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2173-2175 Type of Manuscript: Special Section LETTER (Special Section on Recent Fundamental Technologies for Broadband Satellite Communications) Category: Keyword: optical m-ary PPM, cutoff rate, APD, turbulence, timing jitter,
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A Practical Approach for Coded OFDM with Partial Transmit Sequence Tomoyuki MANDAI Ikuo OKA Marc P.C. FOSSORIER Shingo ATA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/05/01 Vol. E87-B No. 5 pp. 1273-1275 Type of Manuscript: Special Section LETTER (Special Section on Mobile Multimedia Communications) Category: Keyword: coded OFDM, PTS, peak power reduction, side information, rotationally invariant TCM,
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An Application of Separate Coding to Space-Time Turbo-Coded Modulation Kohsuke HARADA Shingo ATA Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 380-383 Type of Manuscript: Special Section LETTER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: space-time coding, turbo-coded modulation, Rayleigh fading channel,
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Exact Analysis of Bit Error Probability for 4-State Soft Decision Viterbi Decoding Hideki YOSHIKAWA Ikuo OKA Chikato FUJIWARA Yoshimasa DAIDO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/10/01 Vol. E85-A No. 10 pp. 2263-2266 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: exact analysis, bit error probability, soft decision Viterbi decoding,
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Code Synchronization Error Control Scheme by Correlation of Received Sequence in Phase Rotating Modulation Hideki YOSHIKAWA Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/08/25 Vol. E83-B No. 8 pp. 1873-1879 Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications) Category: Keyword: code synchronization error, symbol deletion/insertion, phase rotating modulation, correlation,
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A Proposal of Simultaneous Spread of PPM in Frequency and Time Axes for Adaptive CDMA Jinsong DUAN Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/12/25 Vol. E82-B No. 12 pp. 2126-2135 Type of Manuscript: PAPER Category: Radio Communication Keyword: spread spectrum, spread time, PPM, CDMA, discrete Fourier transform, capacity,
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Symbol Error Probability of Time Spread PPM Signals in the Presence of Co-channel Interference Jinsong DUAN Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/01/25 Vol. E81-B No. 1 pp. 66-72 Type of Manuscript: PAPER Category: Communication Theory Keyword: time spread PPM, CDMA, moments, maximum entropy method, symbol error probability,
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FOREWORD Shozo KOMAKI Iwao SASASE Nobuo NAKAJIMA Makoto NAKAMURA Makoto MIYAKE Susumu YOSHIDA Ikuo OKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/08/25 Vol. E80-B No. 8 pp. 1109-1110 Type of Manuscript: FOREWORD Category: Keyword:
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Error Probability of ALOHA Systems with Controlled Output Power Mitsuyuki KISHIMOTO Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1995/07/25 Vol. E78-A No. 7 pp. 805-811 Type of Manuscript: Special Section PAPER (Special Section on Mobile Information Network) Category: Keyword: ALOHA, controlled output power, error probability, PSK, power level distribution, optimal power level,
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Error Probability Analysis in Reduced State Viterbi Decoding Carlos VALDEZ Hiroyuki FUJIWARA Ikuo OKA Hirosuke YAMAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/06/25 Vol. E76-B No. 6 pp. 667-676 Type of Manuscript: PAPER Category: Communication Theory Keyword: reduced state decoding, viterbi algorithm, feedback equalization, intersymbol interference, trellis coded modulation,
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Error Probability of Convolutional Coding in Stretched Pulse OOK Optical Channels Hiroyuki FUJIWARA Juro UENO Hiromasa KUDO Ikuo OKA Ichiro ENDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/02/25 Vol. E76-B No. 2 pp. 178-186 Type of Manuscript: PAPER Category: Optical Communication Keyword: Viterbi decoding, stretched pulse, super encoder, error matrix method, ISI-matched decoder, optical communication,
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Bit Error Probability and Throughput Performance of Time Spread PPM/CDMA Systems Xuping ZHOU Ikuo OKA Chikato FUJIWARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1992/12/25 Vol. E75-A No. 12 pp. 1696-1701 Type of Manuscript: Special Section PAPER (Special Section on Networks and Mobile Communications) Category: Keyword: SS/CDMA, time spread PPM, bit error probability, throughput, transmission efficiency,
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Application of Moment Technique in Performance Analysis of Coded 8-PSK over Hard-Limited Satellite Channels in the Presence of Interference and Noise Nympha JAYAMANNE Ikuo OKA Shinsaku MORI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/10/25 Vol. E72-E No. 10 pp. 1119-1126 Type of Manuscript: PAPER Category: Satellite Communication Keyword:
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Error Probability Bounds for Trellis Coded Modulation over Sequence Dependent Channels Ikuo OKA Ezio BIGLIERI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/04/25 Vol. E72-E No. 4 pp. 375-383 Type of Manuscript: PAPER Category: Communication Theory Keyword:
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Error Performance for Soft Decision Viterbi Decoding Over OOK Optical Space Links Ikuo OKA Ichiro ENDO
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1986/09/25 Vol. E69-E No. 9 pp. 932-939 Type of Manuscript: PAPER Category: Communication Systems and Communication Protocols Keyword:
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