Tomohiko UYEMATSU


Non-Asymptotic Bounds and a General Formula for the Rate-Distortion Region of the Successive Refinement Problem
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2110-2124
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon theory
Keyword: 
general sourceinformation spectrumnon-asymptotic boundrate-distortion regionsuccessive refinement
 Summary | Full Text:PDF(804.7KB)

Joint Channel Coding and Intrinsic Randomness
Tomohiko UYEMATSU Tetsunao MATSUTA 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2091-2098
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon theory
Keyword: 
achievable rate regionchannel codingchannel intrinsic randomnessgeneral channeljoint channel coding and intrinsic randomness
 Summary | Full Text:PDF(736.7KB)

An Information-Theoretical Analysis of the Minimum Cost to Erase Information
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2099-2109
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon theory
Keyword: 
data erasuredistortion-rate functioninformation erasureinformation spectrumrandom number generation
 Summary | Full Text:PDF(751.9KB)

Second-Order Intrinsic Randomness for Correlated Non-Mixed and Mixed Sources
Tomohiko UYEMATSU Tetsunao MATSUTA 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2615-2628
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
asymptotic normalitycorrelated sourcesintrinsic randomnesssecond-order achievability
 Summary | Full Text:PDF(830.1KB)

Achievable Rate Regions of Cache-Aided Broadcast Networks for Delivering Content with a Multilayer Structure
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2629-2640
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
broadcastcachingcoded cachingscalable video codingsuccessive refinement
 Summary | Full Text:PDF(827.2KB)

New Non-Asymptotic Bounds on Numbers of Codewords for the Fixed-Length Lossy Compression
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/12/01
Vol. E99-A  No. 12  pp. 2116-2129
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Source Coding and Data Compression
Keyword: 
finite blocklengthnon-asymptotic boundrate-distortion functionsource coding
 Summary | Full Text:PDF(424KB)

On the Wyner-Ziv Source Coding Problem with Unknown Delay
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2288-2299
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
delayrate-distortion functionside informationsource coding
 Summary | Full Text:PDF(405.9KB)

Random-Coding Exponential Error Bounds for Channels with Action-Dependent States
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/12/01
Vol. E96-A  No. 12  pp. 2324-2331
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
actionschannels with stateserror exponentsexponential error bounds
 Summary | Full Text:PDF(291.6KB)

Parametric Forms of the Achievable Rate Region for Source Coding with a Helper
Tetsunao MATSUTA Tomohiko UYEMATSU Ryutaroh MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/12/01
Vol. E95-A  No. 12  pp. 2493-2497
Type of Manuscript:  LETTER
Category: Information Theory
Keyword: 
achievable rate regioncorrelated sourcesdata compressionfixed-length codingsource coding with a helper
 Summary | Full Text:PDF(150.2KB)

Secret Sharing Schemes Based on Linear Codes Can Be Precisely Characterized by the Relative Generalized Hamming Weight
Jun KURIHARA Tomohiko UYEMATSU Ryutaroh MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 2067-2075
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
secret sharing schemelinear coderelative generalized Hamming weightrelative dimension/length profile
 Summary | Full Text:PDF(342.7KB)

A General Formula of the Capacity Region for Multiple-Access Channels with Deterministic Feedback
Tetsunao MATSUTA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2105-2120
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Channel Coding
Keyword: 
capacity regiondirected informationfeedbackinformation spectrummultiple-access channel
 Summary | Full Text:PDF(450.7KB)

A Universal Affine Code for Symmetric Channels
Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2097-2104
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Channel Coding
Keyword: 
affine encoderchannel codingerror exponentsymmetric channeluniversal channel code
 Summary | Full Text:PDF(186.9KB)

A Novel Realization of Threshold Schemes over Binary Field Extensions
Jun KURIHARA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1375-1380
Type of Manuscript:  Special Section LETTER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
threshold schemefinite fieldcompanion matrixexclusive-or
 Summary | Full Text:PDF(275.4KB)

Vulnerability of MRD-Code-based Universal Secure Network Coding against Stronger Eavesdroppers
Eitaro SHIOJI Ryutaroh MATSUMOTO Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2026-2033
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
network codingsecure network codinglinear network codinguniversal securityMRD code
 Summary | Full Text:PDF(336.8KB)

A New Unified Method for Fixed-Length Source Coding Problems of General Sources
Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1868-1877
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Source Coding
Keyword: 
ε-source codingfixed-length source codinginformation-spectrum methodsmooth Renyi entropy
 Summary | Full Text:PDF(199KB)

Universal Slepian-Wolf Source Codes Using Low-Density Parity-Check Matrices
Tetsunao MATSUTA Tomohiko UYEMATSU Ryutaroh MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1878-1888
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Source Coding
Keyword: 
data compressionfixed-length codinglinear codeslow-density parity-check matricesSlepian-Wolf source coding
 Summary | Full Text:PDF(415.6KB)

Strongly Secure Privacy Amplification Cannot Be Obtained by Encoder of Slepian-Wolf Code
Shun WATANABE Ryutaroh MATSUMOTO Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/09/01
Vol. E93-A  No. 9  pp. 1650-1659
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
privacy amplificationsecret key agreementSlepian-Wolf codingstrong securityvariational distanceweak security
 Summary | Full Text:PDF(352.5KB)

FOREWORD
Tomohiko UYEMATSU Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2391-2392
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(83.1KB)

Decodability of Network Coding with Time-Varying Delay and No Buffering
Terumasa TATENO Ryutaroh MATSUMOTO Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/08/01
Vol. E92-A  No. 8  pp. 2141-2145
Type of Manuscript:  LETTER
Category: Information Theory
Keyword: 
time-varying delaynetwork codinglinear codingmulticast
 Summary | Full Text:PDF(103.2KB)

Secret Key Agreement by Soft-Decision of Signals in Gaussian Maurer's Model
Masashi NAITO Shun WATANABE Ryutaroh MATSUMOTO Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 525-534
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
advantage distillationAWGNinformation theoretic securitykey agreementprivacy amplificationpublic discussion
 Summary | Full Text:PDF(354.9KB)

Fixed-Slope Universal Lossy Coding for Individual Sequences and Nonstationary Sources
Shigeaki KUZUOKA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/03/01
Vol. E91-A  No. 3  pp. 836-845
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
fixed-slope codingindividual sequencelossy codinguniversal codingnonstationary source
 Summary | Full Text:PDF(217.5KB)

Universal Coding for Correlated Sources with Complementary Delivery
Akisato KIMURA Tomohiko UYEMATSU Shigeaki KUZUOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/09/01
Vol. E90-A  No. 9  pp. 1840-1847
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
multiterminal source codingcomplementary deliveryuniversal codingtypes of sequencesbipartite graphs
 Summary | Full Text:PDF(298.9KB)

Universal Lossy Coding for Individual Sequences Based on Complexity Functions
Shigeaki KUZUOKA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 491-503
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
complexityindividual sequencelossy codinguniversal coding
 Summary | Full Text:PDF(283.7KB)

Asymptotical Optimality of Two Variations of Lempel-Ziv Codes for Sources with Countably Infinite Alphabet
Tomohiko UYEMATSU Fumio KANAYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2459-2465
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Source Coding
Keyword: 
countably infinite alphabetergodic sourceincremental parsingLempel-Ziv codestring matching
 Summary | Full Text:PDF(190.5KB)

Relationship among Complexities of Individual Sequences over Countable Alphabet
Shigeaki KUZUOKA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/07/01
Vol. E89-A  No. 7  pp. 2047-2055
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
empirical entropyindividual sequenceLempel-Ziv algorithmuniversal source coding
 Summary | Full Text:PDF(219.6KB)

Efficient Secret Sharing Schemes Based on Authorized Subsets
Kouya TOCHIKUBO Tomohiko UYEMATSU Ryutaroh MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/01/01
Vol. E88-A  No. 1  pp. 322-326
Type of Manuscript:  Special Section LETTER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
(k,n)-threshold schemegeneral access structureverifiable secret sharing scheme
 Summary | Full Text:PDF(92.3KB)

Two Methods for Decreasing the Computational Complexity of the MIMO ML Decoder
Takayuki FUKATANI Ryutaroh MATSUMOTO Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2571-2576
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory
Keyword: 
MIMO fading channelmaximum likelihood detectionsphere decoderlattice
 Summary | Full Text:PDF(327.5KB)

Secret Key Capacity for Ergodic Correlated Sources
Kouya TOCHIKUBO Tomohiko UYEMATSU Ryutaroh MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/06/01
Vol. E87-A  No. 6  pp. 1651-1654
Type of Manuscript:  LETTER
Category: Information Theory
Keyword: 
secret key-capacitycommon randomnessergodic source
 Summary | Full Text:PDF(89.8KB)

Network Design for Multi-Layered Photonic IP Networks Considering IP Traffic Growth
Shigeru KANEDA Tomohiko UYEMATSU Naohide NAGATSU Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/02/01
Vol. E87-B  No. 2  pp. 302-309
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
GMPLS (Generalized Multi-Protocol Label Switching)LSP (Label Switched Path)network designphotonic networkwavelength routing
 Summary | Full Text:PDF(655.3KB)

Two Algorithms for Random Number Generation Implemented by Using Arithmetic of Limited Precision
Tomohiko UYEMATSU Yuan LI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2542-2551
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
random number generationinterval algorithmarithmetic codevariational distancelimited precision
 Summary | Full Text:PDF(247.6KB)

Conditional Lempel-Ziv Complexity and Its Application to Source Coding Theorem with Side Information
Tomohiko UYEMATSU Shigeaki KUZUOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2615-2617
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Source Coding/Image Processing
Keyword: 
conditional LZ complexityconditional Ziv's inequalityuniversal source coding
 Summary | Full Text:PDF(134.3KB)

FOREWORD
Masaaki KATAYAMA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2427-2427
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(56.8KB)

On the Universality of Channel Decoders Constructed from Source Encoders for Finite-State Channels
Tomohiko UYEMATSU Saad M. KISRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/10/01
Vol. E84-A  No. 10  pp. 2447-2456
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
channel codingfinite-state channeluniversal decoderuniversal source codereliability function
 Summary | Full Text:PDF(252.8KB)

Constructing Quantum Error-Correcting Codes for pm-State Systems from Classical Error-Correcting Codes
Ryutaroh MATSUMOTO Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/10/25
Vol. E83-A  No. 10  pp. 1878-1883
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
quantum codesstabilizer codesadditive codesself-orthogonal codes
 Summary | Full Text:PDF(376.9KB)

Universal Variable-to-Fixed Length Codes Achieving Optimum Large Deviations Performance for Empirical Compression Ratio
Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/10/25
Vol. E82-A  No. 10  pp. 2246-2250
Type of Manuscript:  PAPER
Category: Information Theory and Coding Theory
Keyword: 
source codingvariable-to-fixed length codeempirical compression ratefinite state source
 Summary | Full Text:PDF(245.5KB)

One-Point Algebraic Geometric Codes from Artin-Schreier Extensions of Hermitian Function Fields
Daisuke UMEHARA Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/10/25
Vol. E81-A  No. 10  pp. 2025-2031
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
one-point AG codesminimal set of generators of semigroup of nongapsArtin-Schreier extensionsHermitian function fields
 Summary | Full Text:PDF(543.7KB)

A Simple Parallel Algorithm for the Ziv-Lempel Encoding
Ken-ichi IWATA Masakatu MORII Tomohiko UYEMATSU Eiji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/04/25
Vol. E81-A  No. 4  pp. 709-712
Type of Manuscript:  LETTER
Category: Information Theory and Coding Theory
Keyword: 
parallel encodingsliding-window Ziv-Lempel algorithmlongest-matched stringuniversal data compression
 Summary | Full Text:PDF(300.2KB)

An Efficient Universal Coding Algorithm for Noiseless Channel with Symbols of Unequal Cost
Ken-ichi IWATA Masakatu MORII Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2232-2237
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Source Coding
Keyword: 
noiseless codingadditive cost of code symboluniversally optimal cost codingZiv-Lempel codingVarn coding
 Summary | Full Text:PDF(506.2KB)

A Simple Construction of Codes for Identification via Channels under Average Error Criterion
Tomohiko UYEMATSU Kennya NAGANO Eiji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/09/25
Vol. E79-A  No. 9  pp. 1440-1443
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
identification via channelscode constructionidentification capacityerror exponent
 Summary | Full Text:PDF(228.8KB)

Proposal of an Automatic Signature Scheme Using a Compiler
Keisuke USUDA Masahiro MAMBO Tomohiko UYEMATSU Eiji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/01/25
Vol. E79-A  No. 1  pp. 94-101
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
computer virusvirus protectiondigital signatureautomatic signature scheme
 Summary | Full Text:PDF(685.5KB)

Reliability Functions for Concatenated Codes Employing Modular Codes with Maximum Likelihood Decoding
Tomohiko UYEMATSU Junya KAGA Eiji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/09/25
Vol. E78-A  No. 9  pp. 1160-1169
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
concatenated codealgebraic geometry codereliability functiondiscrete memoryless channel
 Summary | Full Text:PDF(653.3KB)

Permutation Cipher Scheme Using Polynomials over a Field
Eiji OKAMOTO Tomohiko UYEMATSU Masahiro MAMBO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/02/25
Vol. E78-D  No. 2  pp. 138-142
Type of Manuscript:  PAPER
Category: Information Security
Keyword: 
cryptographyinformation securitypermutationReed-Solomon code
 Summary | Full Text:PDF(382.8KB)

Efficient Maximum Likelihood Decoding Algorithms for Linear Codes over Z-Channel
Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/09/25
Vol. E76-A  No. 9  pp. 1430-1436
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
maximum likelihood decodingZ-channelasymmetric error
 Summary | Full Text:PDF(553.6KB)

On Maximum Likelihood Decoding for Constantin-Rao Codes
Tomohiko UYEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/05/25
Vol. E73-E  No. 5  pp. 630-637
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(548.6KB)

Effect of Asymmetric Error Correcting Codes in Photon Communication Systems
Tomohiko UYEMATSU Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/09/25
Vol. E71-E  No. 9  pp. 850-857
Type of Manuscript:  PAPER
Category: Information Theory and Coding Theory
Keyword: 
 Summary | Full Text:PDF(587KB)

Effect of Error Correcting Code in Photon Communications with Energy Loss
Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA Tomohiko UYEMATSU Masanori OHYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/08/25
Vol. E70-E  No. 8  pp. 689-692
Type of Manuscript:  LETTER
Category: Foundations of Signal Theory and Communication Theory
Keyword: 
 Summary | Full Text:PDF(273.2KB)

On Classes of Novel Quantum State for Attenuation Process
Tomohiko UYEMATSU Osamu HIROTA Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Vol. E70-E  No. 4  pp. 385-388
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
 Summary | Full Text:PDF(259.8KB)

A Design Method for Transversal Filters with Nonuniform Tap Spacings Based on the Mean Square Error Criterion
Tomohiko UYEMATSU Kohichi SAKANIWA Genya KISHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/05/25
Vol. E68-E  No. 5  pp. 341-342
Type of Manuscript:  LETTER
Category: Circuit Theory
Keyword: 
 Summary | Full Text:PDF(142.8KB)