Nobuo FUNABIKI


A Throughput Drop Estimation Model for Concurrent Communications under Partially Overlapping Channels without Channel Bonding and Its Application to Channel Assignment in IEEE 802.11n WLAN
Kwenga ISMAEL MUNENE Nobuo FUNABIKI Hendy BRIANTORO Md. MAHBUBUR RAHMAN Fatema AKHTER Minoru KURIBAYASHI Wen-Chung KAO 
Publication:   
Publication Date: 2021/05/01
Vol. E104-D  No. 5  pp. 585-596
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
throughput drop estimationconcurrent communicationpartially overlapping channelaccess-pointnon-bonded channelWLAN
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Robust and Secure Data Hiding for PDF Text Document
Minoru KURIBAYASHI Takuya FUKUSHIMA Nobuo FUNABIKI 
Publication:   
Publication Date: 2019/01/01
Vol. E102-D  No. 1  pp. 41-47
Type of Manuscript:  Special Section PAPER (Special Section on Enriched Multimedia — Making Multimedia More Convenient and Safer —)
Category: 
Keyword: 
portable document formatquantization index modulationdither modulationpermutation
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Universal Scoring Function Based on Bias Equalizer for Bias-Based Fingerprinting Codes
Minoru KURIBAYASHI Nobuo FUNABIKI 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1  pp. 119-128
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
bias-based fingerprinting codeuniversal scoring functionrelaxed marking assumption
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DCT-OFDM Watermarking Scheme Based on Communication System Model
Minoru KURIBAYASHI Shogo SHIGEMOTO Nobuo FUNABIKI 
Publication:   
Publication Date: 2017/04/01
Vol. E100-A  No. 4  pp. 944-952
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
spread spectrumOFDMQIMerror correcting code
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A Cooking-Step Scheduling Algorithm with Guidance System for Homemade Cooking
Yukiko MATSUSHIMA Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/08/01
Vol. E98-D  No. 8  pp. 1439-1448
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
homemade cookingcooking modelcooking-step schedulingalgorithmexhaustive searchsimulated annealing
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Revocable Group Signatures with Compact Revocation List Using Accumulators
Toru NAKANISHI Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/01/01
Vol. E98-A  No. 1  pp. 117-131
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Public Key Based Cryptography
Keyword: 
anonymitygroup signaturesrevocationsaccumulators
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An Anonymous Reputation System with Reputation Secrecy for Manager
Toru NAKANISHI Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2325-2335
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
reputation systemanonymityanonymous credentialspairings
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An Access-Point Aggregation Approach for Energy-Saving Wireless Local Area Networks
Md. Ezharul ISLAM Nobuo FUNABIKI Toru NAKANISHI Kan WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/12/01
Vol. E96-B  No. 12  pp. 2986-2997
Type of Manuscript:  Special Section PAPER (Special Section on Network and System Technologies for Sustainable Society)
Category: 
Keyword: 
wireless local area networkaccess-point aggregationNP-completealgorithmenergy-savingIEEE 802.11n
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Efficient Proofs for CNF Formulas on Attributes in Pairing-Based Anonymous Credential System
Nasima BEGUM Toru NAKANISHI Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/12/01
Vol. E96-A  No. 12  pp. 2422-2433
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
anonymityanonymous credentialsattributesCNF formulas
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A Fixed Backoff-Time Switching Method for CSMA/CA Protocol in Wireless Mesh Networks
Sritrusta SUKARIDHOTO Nobuo FUNABIKI Toru NAKANISHI Kan WATANABE Shigeto TAJIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/04/01
Vol. E96-B  No. 4  pp. 1019-1029
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
wireless mesh networkCSMA/CA protocolfixed backoff-time switching (FBS)real-time applicationQualNet
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Forward-Secure Group Signatures from Pairings
Toru NAKANISHI Yuta HIRA Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2007-2016
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
anonymitygroup signaturesforward-securitypairings
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Extensions of the Access Point Allocation Algorithm for Wireless Mesh Networks
Walaa HASSAN Nobuo FUNABIKI Toru NAKANISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/06/01
Vol. E93-B  No. 6  pp. 1555-1565
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
wireless mesh networkindoor environmentaccess point allocationmultiple gatewaysdependabilityalgorithm
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A WDS Clustering Algorithm for Wireless Mesh Networks
Shigeto TAJIMA Nobuo FUNABIKI Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/04/01
Vol. E93-D  No. 4  pp. 800-810
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
wireless mesh networkWDS clusteringgateway selectionNP-completeheuristic algorithmvariable depth search
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Revocable Group Signature Schemes with Constant Costs for Signing and Verifying
Toru NAKANISHI Hiroki FUJII Yuta HIRA Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/01/01
Vol. E93-A  No. 1  pp. 50-62
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Digital Signature
Keyword: 
anonymitygroup signaturesrevocationspairings
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An Access Point Allocation Algorithm for Indoor Environments in Wireless Mesh Networks
Tamer FARAG Nobuo FUNABIKI Toru NAKANISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 784-793
Type of Manuscript:  Special Section PAPER (Special Section on Ad Hoc and Mesh Networking for Next Generation Access Systems)
Category: 
Keyword: 
access point allocationwireless mesh networkalgorithmindoor environmentNP-complete
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A Short Verifier-Local Revocation Group Signature Scheme with Backward Unlinkability
Toru NAKANISHI Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/09/01
Vol. E90-A  No. 9  pp. 1793-1802
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
group signaturerevocationbackward unlinkabilitybilinear mapsDLDH assumption
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Verifier-Local Revocation Group Signature Schemes with Backward Unlinkability from Bilinear Maps
Toru NAKANISHI Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 65-74
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Signatures
Keyword: 
group signaturerevocationunlinkabilitybilinear maps
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Group Signature Schemes with Membership Revocation for Large Groups
Toru NAKANISHI Nobuo FUNABIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/05/01
Vol. E89-A  No. 5  pp. 1275-1283
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
group signature schemesmembership revocationsignatures of knowledgestrong RSA assumption
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An Optical-Drop Wavelength Assignment Algorithm for Efficient Wavelength Reuse under Heterogeneous Traffic in WDM Ring Networks
Nobuo FUNABIKI Jun KAWASHIMA Toru NAKANISHI Kiyohiko OKAYAMA Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1234-1240
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
WDMheuristic algorithmoptical-dropwavelength assignmentring networkNP-complete
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A Minimum Dead Space Algorithm for Generalized Isochronous Channel Reuse Problems in DQDB Networks
Nobuo FUNABIKI Jun KAWASHIMA Kiyohiko OKAYAMA Toru NAKANISHI Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/09/01
Vol. E87-B  No. 9  pp. 2692-2698
Type of Manuscript:  PAPER
Category: Network
Keyword: 
ICRPheuristic algorithmminimum dead spaceNP-completeIEEE 802.6DQDB
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P2PMM_router: A Two-Stage Heuristic Algorithm to Peer-to-Peer Multicast Routing Problems in Multihome Networks
Nobuo FUNABIKI Jun KAWASHIMA Shoji YOSHIDA Kiyohiko OKAYAMA Toru NAKANISHI Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/05/01
Vol. E87-A  No. 5  pp. 1070-1076
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
peer-to-peer multicastreal-time communicationmultihome networkheuristic algorithmNP-complete
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A Quasi-Solution State Evolution Algorithm for Channel Assignment Problems in Cellular Networks
Nobuo FUNABIKI Toru NAKANISHI Tokumi YOKOHIRA Shigeto TAJIMA Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/05/01
Vol. E85-A  No. 5  pp. 977-987
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
CAPapproximation algorithmbenchmarkNP-hardcellular network
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Relaxation of Coefficient Sensitiveness to Performance for Neural Networks Using Neuron Filter through Total Coloring Problems
Yoichi TAKENAKA Nobuo FUNABIKI Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/09/01
Vol. E84-A  No. 9  pp. 2367-2370
Type of Manuscript:  LETTER
Category: Neural Networks and Bioengineering
Keyword: 
Hopfield neural networkparameter tuningneuron filtercoefficient sensitiveness
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A Proposal of Neuron Filter: A Constraint Resolution Scheme of Neural Networks for Combinatorial Optimization Problems
Yoichi TAKENAKA Nobuo FUNABIKI Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/09/25
Vol. E83-A  No. 9  pp. 1815-1823
Type of Manuscript:  PAPER
Category: Neural Networks and Bioengineering
Keyword: 
combinatorial optimization problemhopfileld-type neural networkN-queens problemboard-level routing problemneuron filter
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A Minimal-State Processing Search Algorithm for Graph Coloring Problems
Nobuo FUNABIKI Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/07/25
Vol. E83-A  No. 7  pp. 1420-1430
Type of Manuscript:  PAPER
Category: Graphs and Networks
Keyword: 
graph coloringsimulationheuristic algorithmMIPS_CLRDIMACS
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A Two-Stage Discrete Optimization Method for Largest Common Subgraph Problems
Nobuo FUNABIKI Junji KITAMICHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/08/25
Vol. E82-D  No. 8  pp. 1145-1153
Type of Manuscript:  PAPER
Category: Algorithm and Computational Complexity
Keyword: 
common subgraphisomorphicNP-completegreedy methoddiscrete descent methodsimulated annealing
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A Gradual Neural Network Algorithm for Broadcast Scheduling Problems in Packet Radio Networks
Nobuo FUNABIKI Junji KITAMICHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/05/25
Vol. E82-A  No. 5  pp. 815-824
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
neural networkpacket radio networkTDMA cyclebroadcast scheduling problem
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A Neural-Greedy Combination Algorithm for Board-Level Routing in FPGA-Based Logic Emulation Systems
Nobuo FUNABIKI Junji KITAMICHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/05/25
Vol. E81-A  No. 5  pp. 866-872
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
FPGAboard-level routingNP-completedigital neural networkgreedy algorithm
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A Massive Digital Neural Network for Total Coloring Problems
Nobuo FUNABIKI Junji KITAMICHI Seishi NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/09/25
Vol. E80-A  No. 9  pp. 1625-1629
Type of Manuscript:  Special Section LETTER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
neural networkdigital technologytotal coloringNP-completecombinatorial optimization
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A Digital Neural Network for Multilayer Channel Routing with Crosstalk Minimization
Nobuo FUNABIKI Junji KITAMICHI Seishi NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/09/25
Vol. E80-A  No. 9  pp. 1704-1713
Type of Manuscript:  PAPER
Category: Neural Networks
Keyword: 
crosstalkmultilayer channel routingneural networkdigital technologyNP-complete
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A Gradual Neural Network Approach for Time Slot Assignment in TDM Multicast Switching Systems
Nobuo FUNABIKI Junji KITAMICHI Seishi NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/06/25
Vol. E80-B  No. 6  pp. 939-947
Type of Manuscript:  PAPER
Category: Communication Networks and Services
Keyword: 
neural networktime slot assignmentTDN multicast switching systemcombinatorial optimization
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A Binary Neural Network Approach for Link Activation Problems in Multihop Radio Networks
Nobuo FUNABIKI Seishi NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/08/25
Vol. E79-B  No. 8  pp. 1086-1093
Type of Manuscript:  PAPER
Category: Communication Networks and Services
Keyword: 
multihop radio networklink activationNP-completeneural networkparallel algorithm
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Comparisons of Energy-Descent Optimization Algorithms for Maximum Clique Problems
Nobuo FUNABIKI Seishi NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/04/25
Vol. E79-A  No. 4  pp. 452-460
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
maximum cliqueNP-completeneural networkalgorithmenergy-descent opimization
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An Improved Neural Network for Channel Assignment Problems in Cellular Mobile Communication Systems
Nobuo FUNABIKI Seishi NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/08/25
Vol. E78-B  No. 8  pp. 1187-1196
Type of Manuscript:  Special Section PAPER (Special Issue on Technologies for High-Speed Mobile Communications)
Category: 
Keyword: 
cellular mobile communication systemchannel assignmentneural networkparallel algorithm
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