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Research Output

1990

High-quality frame-synchronization and encryption for satellite video signal transmission

Kubota, S., Morikura, M., Kato, S. & Hayashi, K., 1990 Dec 1, In : Conference Record - International Conference on Communications. 3, p. 1064-1068 5 p.

Research output: Contribution to journalConference article

LSI and IC‐implementation of TDMA system—highly reliable and maintenance‐free TDMA equipment

Kato, S., Morikura, M., Umehira, M., Enomoto, K. & Kubota, S., 1990, In : Electronics and Communications in Japan (Part III: Fundamental Electronic Science). 73, 4, p. 9-22 14 p.

Research output: Contribution to journalArticle

LSI implementation scheme for general‐purpose high‐speed and coding rate viterbi decoder LSI

Kato, S., Kubota, S., Ohtani, K., Ishitani, T. & Miyahara, N., 1990, In : Electronics and Communications in Japan (Part III: Fundamental Electronic Science). 73, 2, p. 22-32 11 p.

Research output: Contribution to journalArticle

Soft-decision Viterbi decoding with diversity combining

Sakai, T., Kobayashi, K., Kubota, S., Morikura, M. & Kato, S., 1990 Dec 1, GLOBECOM '90. Publ by IEEE, p. 1127-1131 5 p. (IEEE Global Telecommunications Conference and Exhibition; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

SSMA signal transmission over QPSK modulated signal

Morikura, M., Enomoto, K., Kubota, S. & Kato, S., 1990 Dec 1, GLOBECOM '90. Publ by IEEE, p. 751-755 5 p. (IEEE Global Telecommunications Conference and Exhibition; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

TDMA equipment for DYANET

Kato, S., Morikura, M., Kubota, S., Enomoto, K. & Umehira, M., 1990 May 1, In : NTT Review. 2, 3, p. 47-54 8 p.

Research output: Contribution to journalArticle

TDMA Satellite Communication Systems for ISDN Services

Kato, S., Morikura, M., Kubota, S. & Enomoto, K., 1990 Dec 1, In : Default journal.

Research output: Contribution to journalArticle

1989

A Compact Spectrum and Interference-resistant Digital Video Transmission System

Kubota, S., Morikura, M., Enomoto, K. & Kato, S., 1989 Nov 1, In : IEEE International Conference on Global Communications (Globecom'89).

Research output: Contribution to journalArticle

3 Citations (Scopus)

Application of Advanced Microelectronics to Large Scale Communication Equipment: Compact & Maintenance Free TDMA Equipment

Kato, S., Morikura, M., Umehira, M., Enomoto, K. & Kubota, S., 1989 Jun 1, In : Default journal.

Research output: Contribution to journalArticle

Compact, High-speed and High-coding-gain General Purpose FEC Encoder/Decoder -NUFEC CODEC-

Kubota, S., Kato, S., Ishitani, T. & Nagatani, M., 1989 Jun 1, In : IEEE International Conference on Communications (ICC'89).

Research output: Contribution to journalArticle

11 Citations (Scopus)

Compact, high-speed and high-coding-gain general purpose FEC encoder/decoder-NUFEC CODEC

Kubota, S., Kato, S., Ishitani, T. & Nagatani, M., 1989 Dec 1, In : Conference Record - International Conference on Communications. 2, p. 798-803 6 p.

Research output: Contribution to journalConference article

11 Citations (Scopus)

Compact spectrum and interference-resistant digital video transmission system

Kubota, S., Morikura, M., Enomoto, K. & Kato, S., 1989 Dec 1, p. 1729-1734. 6 p.

Research output: Contribution to conferencePaper

3 Citations (Scopus)

Viterbi Decoder VLSI Implementation and Its Applications

Kubota, S. & Kato, S., 1989 Jun 1, In : Default journal.

Research output: Contribution to journalArticle

1988

Compact and High Performance TDMA Terminal for Satellite Communication

Kato, S., Morikura, M., Umehira, M., Enomoto, K. & Kubota, S., 1988 Jun 1, In : IEEE International Conference on Communications (ICC'88).

Research output: Contribution to journalArticle

3 Citations (Scopus)

Compact and high performance TDMA terminal for satellite communication.

Kato, S., Morikura, M., Umehira, M., Enomoto, K. & Kubota, S., 1988 Dec 1, p. 1680-1686. 7 p.

Research output: Contribution to conferencePaper

3 Citations (Scopus)

High-speed and High-coding-rate Viterbi Decoder VLSI

Kubota, S., Kato, S. & Nagatani, T. I., 1988 Jul 1, In : IEEE International Symposium on Information Theory (ISIT'88).

Research output: Contribution to journalArticle

High-speed and high-coding-rate Viterbi decoder VLSI - design and performance of NUFEC

Kubota, S., Kato, S., Ishitani, T. & Nagatani, M., 1988 Dec 1. 1 p.

Research output: Contribution to conferencePaper

Novel control channel quality improvement in satellite communication systems employing high coding gain FEC

Morikura, M., Kubota, S., Enomoto, K. & Kato, S., 1988 Dec 1, p. 136-140. 5 p.

Research output: Contribution to conferencePaper

On‐board digital signal processing technologies for present and future SCPC systems

Kato, H., Ohtani, K., Kohri, T., Morikura, M., Umehira, M. & Kubota, S., 1988 Jan 1, In : International Journal of Satellite Communications. 6, 3, p. 289-300 12 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Viterbi Decoding and Its Applications

Kato, S. & Kubota, S., 1988 Dec 1, In : Default journal.

Research output: Contribution to journalArticle

1987

A Proposal of Universal-coding-rate Viterbi Decoder

Kubota, S., Kato, S., Ishitani, T. & Nagatani, M., 1987 Jun 1, In : IEEE International Conference on Communications (ICC'87).

Research output: Contribution to journalArticle

1 Citation (Scopus)

A Scarce State Transition Viterbi Decoder VLSI for Bit Error Correction

Ishitani, T., Tansho, K., Miyahara, N., Kubota, S. & Kato, S., 1987 Aug 1, In : IEEE Journal of Solid State Circuits.

Research output: Contribution to journalArticle

23 Citations (Scopus)

A Scarce-State-Transition Viterbi-Decoder VLSI for Bit Error Correction

Ishitani, T., Tansho, K., Miyahara, N., Kubota, S. & Kato, S., 1987 Aug, In : IEEE Journal of Solid-State Circuits. 22, 4, p. 575-582 8 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Compact LSI- and IC-Implemented Burst Modem for Low Eb/No Operation

Umehira, M., Kubota, S., Enomoto, K. & Kato, S., 1987 Nov 1, In : International Conference on Global Communications (Globecom'87).

Research output: Contribution to journalArticle

COMPACT LSI- AND MIC-IMPLEMENTED BURST MODEM FOR LOW EB/NO OPERATION.

Umehira, M., Kubota, S., Enomoto, K. & Kato, S., 1987 Dec 1, Unknown Host Publication Title. Ohmsha Ltd, p. 268-273 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

PROPOSAL OF UNIVERSAL - CODING - RATE VITERBI DECODER - A NOVEL ENCODING AND DECODING METHOD FOR HIGH - CODING - RATE FEC.

Kubota, S., Kato, S., Ishitani, T. & Nagatani, M., 1987 Dec 1, In : Conference Record - International Conference on Communications. p. 863-868 6 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)
1986

A High-speed and High-coding-gain Viterbi Decoder LSI with Low Power Consumption Employing SST Scheme

Kubota, S., Ohtani, K. & Kato, S., 1986 Apr 1, In : IEE Electronics letters.

Research output: Contribution to journalArticle

General Purpose TDMA LSI Development for Low Cost Earth Station

Kato, S., Morikura, M., Umehira, M. & Kubota, K. E., 1986 Jun 1, In : IEEE International Conference on Communications (ICC'86).

Research output: Contribution to journalArticle

3 Citations (Scopus)

GENERAL PURPOSE TDMA LSI DEVELOPMENT FOR LOW COST EARTH STATION.

Kato, S., Morikura, M., Umehira, M., Enomoto, K. & Kubota, S., 1986 Dec 1, In : Conference Record - International Conference on Communications. p. 513-518 6 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)

High-Speed and High-Coding-Gain Viterbi Decoder with Low Power Consumption Employing Sst (Scarce State Transition) Scheme

Kubota, S., Ohtani, K. & Kato, S., 1986 Jan 1, In : Electronics Letters. 22, 9, p. 491-493 3 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

SUPERVISORY AND CONTROL SYSTEM FOR SATELLITE DIGITAL COMMUNICATION SERVICE.

Ohtani, K., Kubota, S., Nitta, S. & Atsugi, T., 1986 Dec 1, In : Denki Tsushin Kenkyujo kenkyu jitsuyoka hokoku. 35, 12, p. 1273-1281 9 p.

Research output: Contribution to journalArticle

1982
3 Citations (Scopus)

APPLICATION OF SPREAD SPECTRUM MULTIPLE ACCESS SYSTEM TO SPACE COMMUNICATIONS.

Masamura, T. & Kubota, S., 1982 Dec 1, p. 883-889. 7 p.

Research output: Contribution to conferencePaper

3 Citations (Scopus)