Tadahiro WADA


Performance Analysis of Source-Destination ARQ Scheme for Multiroute Coding in Wireless Multihop Networks
Hiraku OKADA Masato SAITO Tadahiro WADA Kouji OHUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/08/01
Vol. E90-B  No. 8  pp. 2111-2119
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
wireless multihop networkmultiple routesARQerror correcting
 Summary | Full Text:PDF

Multi-Route Coding in Wireless Multi-Hop Networks
Hiraku OKADA Nobuyuki NAKAGAWA Tadahiro WADA Takaya YAMAZATO Masaaki KATAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/05/01
Vol. E89-B  No. 5  pp. 1620-1626
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
multi-route codingturbo codemultipath dynamic source routingwireless multi-hop network
 Summary | Full Text:PDF

A Study on the Effect of Turbo Codes in Cyclostationary Gaussian Noise Processes
Tadahiro WADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/09/01
Vol. E86-A  No. 9  pp. 2396-2404
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
power line communicationcyclostationary Gaussian noise processturbo codesSNR estimation
 Summary | Full Text:PDF

Characteristic of Bit Sequences Applicable to Constant Amplitude Orthogonal Multicode Systems
Tadahiro WADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2160-2164
Type of Manuscript:  Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
orthogonal multicode systemnonlinear amplificationconstant amplitude transmissionbent sequence
 Summary | Full Text:PDF

Error Correcting Capability of Constant Amplitude Coding for Orthogonal Multi-Code CDMA Systems
Tadahiro WADA Takaya YAMAZATO Masaaki KATAYAMA Akira OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/10/25
Vol. E81-A  No. 10  pp. 2166-2169
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
orthogonal multi-code CDMA systemsconstant amplitude codingnonlinear distortionerror correcting capability
 Summary | Full Text:PDF

A Constant Amplitude Coding for Orthogonal Multi-Code CDMA Systems
Tadahiro WADA Takaya YAMAZATO Masaaki KATAYAMA Akira OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12  pp. 2477-2484
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
orthogonal multi-code CDMA systemsconstant amplitude codingHadamard code sequencesnon-liner amplifier
 Summary | Full Text:PDF

An Initial Acquisition Method for M-Ary Spread-Spectrum Signals Using Hadamard Code Sequences
Tadahiro WADA Takaya YAMAZATO Masaaki KATAYAMA Akira OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2172-2179
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communications/Coded Modulation/Spread Spectrum
Keyword: 
M-ary/SS communication systeminitial acquisition methodcarrier frequency offsetHadamard code sequences
 Summary | Full Text:PDF

π/2-shift BPSK A Modulation Scheme Robust to Nonlinear Amplification for CDMA Mobile Communications
Kumud KASHYAP Tadahiro WADA Masaaki KATAYAMA Takaya YAMAZATO Akira OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/09/25
Vol. E80-A  No. 9  pp. 1634-1639
Type of Manuscript:  Special Section LETTER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
π/2-BPSKCDMAspread spectrumnonlinear amplifiercoherent detectiondifferential detection
 Summary | Full Text:PDF

A New M-ary Spread-Spectrum Multiple-Access Scheme in the Presence of Carrier Frequency Offset
Tadahiro WADA Takaya YAMAZATO Masaaki KATAYAMA Akira OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/09/25
Vol. E79-A  No. 9  pp. 1415-1422
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication/Spread Spectrum
Keyword: 
M-ary/SSMA communication schemecarrier frequency offsetmultipath-access interferenceHadamard codes
 Summary | Full Text:PDF

Non-coherent Reception of M-ary Spread-Spectrum Signals in the Presence of Carrier Frequency Offset
Tadahiro WADA Takaya YAMAZATO Masaaki KATAYAMA Akira OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/09/25
Vol. E78-A  No. 9  pp. 1102-1108
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
M-ary spread-spectrum communication systemnon-coherent receptioncarrier frequency offsetHadamard matrix
 Summary | Full Text:PDF