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Research Output

1994

VLSI-Implemented High Speed Digital Burst Modem -Applications for Satellite Video TDMA and Wireless LAN-

Matsumoto, Y., Kobayashi, K., Sakata, T., Seki, K., Kubota, S. & Kato, S., 1994 May 1, In : IEEE International Conference on Communications (ICC'94). p. 1472-1477

Research output: Contribution to journalArticle

π/4-Shift QPSK Digital Modulator LSIC for Personal Communication Terminals

Sakata, T., Seki, K., Kubota, S. & Kato, S., 1994 Sep 1, In : IEEE International Symposium on Personal Indoor Mobile Radio Communications (PIMRC'94). p. .472-475

Research output: Contribution to journalArticle

1993
11 Citations (Scopus)
1 Citation (Scopus)

Burst Mode Interference Cancellation for Superposed Transmission of SSMA-QPSK Signal and High-Speed TDMA Signal

Sugiyama, T., Kazama, H., Morikura, M., Kato, S. K. & Kubota, S., 1993 Dec 1, In : IEEE International Conference on Global Communications (Globecom'93). p. .1612-1616

Research output: Contribution to journalArticle

Burst mode interference cancellation for superposed transmission of SSMA-QPSK signals and TDMA-QPSK signals in nonlinear channels

Sugiyama, T., Kazama, H., Morikura, M., Kubota, S. & Kato, S., 1993 Dec 1, IEEE Global Telecommunications Conference. Publ by IEEE, p. 1612-1616 5 p. (IEEE Global Telecommunications Conference; vol. 3).

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

2 Citations (Scopus)

Frequency utilization efficiency improvement on superposed SSMA-QPSK signal transmission over high speed QPSK signals in nonlinear channels

Sugiyama, T., Kazama, H., Morikura, M., Kubota, S. & Kato, S., 1993 May 1, In : IEICE Transactions on Communications. E76-B, 5, p. 480-487 8 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Improved ADPCM voice transmission for TDMA-TDD systems

Nakamura, O., Dobashi, A., Seki, K., Kubota, S. & Kato, S., 1993 Jan 1, IEEE Vehicular Technology Conference. Publ by IEEE, p. 301-304 4 p. (IEEE Vehicular Technology Conference).

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

4 Citations (Scopus)

Novel Viterbi Decoder VLSI Implementation and its Performance

Kubota, S., Kato, S. & Ishitani, T., 1993 Aug, In : IEEE Transactions on Communications. 41, 8, p. 1170-1178 9 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)

Suitable combination of modulation and FEC schemes for satellite digital video communication networks

Kubota, S., Morikura, M., Enomoto, K. & Kato, S., 1993 May 1, In : IEICE Transactions on Communications. E76-B, 5, p. 497-507 11 p.

Research output: Contribution to journalArticle

Time diversity CDMA scheme employing orthogonal modulation for time varying channels

Kubota, S., Kato, S. & Feher, K., 1993 Jan 1, IEEE Vehicular Technology Conference. Publ by IEEE, p. 444-447 4 p. (IEEE Vehicular Technology Conference).

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

Trellis-coded 16-QAM with overlapped signal sets for satellite communication systems

Urbin, I., Kubota, S. & Kato, S., 1993 Jan 1, IEEE International Conference on Communications. Publ by IEEE, p. 1728-1734 7 p. (IEEE International Conference on Communications).

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

1 Citation (Scopus)

Ultra-high-speed and universal-coding-rate Viterbi decoder VLSIC-SNUFEC VLSI

Kawazoe, K., Honda, S., Kubota, S. & Kato, S., 1993 Jan 1, IEEE International Conference on Communications. Publ by IEEE, p. 1434-1438 5 p. (IEEE International Conference on Communications).

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

3 Citations (Scopus)

Ultra-High-Speed and Universal-Coding-Rate Viterbi Decoder VLSIC -SNUFEC VLSIC-

Kawazoe, K., Honda, S., Kubota, S. & Kato, S., 1993 May 1, In : IEEE International Conference on Communications (ICC'93). p. .1434-1438

Research output: Contribution to journalArticle

π/4-shift QPSK coherent detection demodulator for TDMA/TDD systems

Matsumoto, Y., Kubota, S., Morikura, M. & Kato, S., 1993 Jan 1, IEEE Vehicular Technology Conference. Publ by IEEE, p. 396-399 4 p. (IEEE Vehicular Technology Conference).

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

1 Citation (Scopus)
1992

A high speed QPSK/OQPSK digital burst modem for LSIC implementation

Seki, K., Matsumoto, Y., Kobayashi, K., Sakata, T., Morikura, M., Kubota, S. & Kato, S., 1992, GLOBECOM 1992 - Communication for Global Users: IEEE Global Telecommunications Conference. Institute of Electrical and Electronics Engineers Inc., p. 422-426 5 p. 276540. (GLOBECOM 1992 - Communication for Global Users: IEEE Global Telecommunications Conference).

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

A High Speed QPSK/OQPSK Digital Burst Modem for LSIC Implementation

Seki, K., Matsumoto, Y., Kobayashi, K., Sakata, T., Morikura, M., Kubota, S. & Kato, S., 1992 Dec 1, In : IEEE International Conference on Global Communications (Globecom'92). p. 422-426

Research output: Contribution to journalArticle

A New Carrier Recovery Circuit for Land Mobile Satellite Communication

Kobayashi, K., Sakai, T., Kubota, S., Morikura, M. & Kato, S., 1992 Oct, In : IEEE Journal on Selected Areas in Communications. 10, 8, p. 1306-1314 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A Superposed SSMA-QPSK Signal Transmission Scheme over High Speed QPSK Signals in Nonlinear Channels

Sugiyama, T., Kazama, H., Morikura, M., Kubota, S. & Kato, S., 1992 Dec 1, In : International Symposium on Spread Spectrum Technology (ISSSTA'92). p. 283-286

Research output: Contribution to journalArticle

A TDMA Satellite Communication System for ISDN

Kato, S., Morikura, M., Kubota, S., Kazama, H., Enomoto, K. & Umehira, M., 1992 Feb 1, In : IEEE Journal on Selected Areas in Communications.

Research output: Contribution to journalArticle

11 Citations (Scopus)

A TDMA Satellite Communication System for ISDN Services

Kato, S., Morikura, M., Kubota, S., Kazama, H., Enomoto, K. & Umehira, M., 1992 Feb, In : IEEE Journal on Selected Areas in Communications. 10, 2, p. 456-464 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

DSD (Double Soft Decision) Concatenated FEC Scheme in Mobile Satellite Communication Systems

Honda, S., Kubota, S. & Kato, S., 1992 Oct, In : IEEE Journal on Selected Areas in Communications. 10, 8, p. 1271-1277 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

DSD Concatenated FEC Scheme in Mobile Satellite Communication Systems

Honda, S., Kubota, S. & Kato, S., 1992 May 1, In : International Symposium on Space Technology and Science (ISTS'92). p. .1641-1646

Research output: Contribution to journalArticle

DYANET II, Satellite TDMA System for DYANET II

Kato, K., Kato;Morikura;Kubota;Kazama;Enomoto, KMKKE. & Kubota, S., 1992 Nov 1, In : NTT Review. 4, p. 53-61

Research output: Contribution to journalArticle

General Purpose High-Speed Multi-Function TDMA LSIC Development

Kazama, H., Enomoto, K., Morikura, M., Kubota, S. & Kato, S., 1992 May 1, In : International Conference on Digital Satellite Communications (ICDSC-9). p. 63-68

Research output: Contribution to journalArticle

Integrated Satellite Digital Video TDMA System for Business Video Communications

Sugiyama, T., Kazama, H., Kubota, S., Morikura, M. & Kato, S., 1992 Jul 1, In : Default journal.

Research output: Contribution to journalArticle

Inter-channel Interference Cancellation technique for CDMA mobile/personal communication systems

Kubota, S., Kato, S. & Feher, K., 1992 Jan 1, 1992 Proceedings - 3rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 1992. Institute of Electrical and Electronics Engineers Inc., p. 112-117 6 p. 279953. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

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

7 Citations (Scopus)

Novel satellite digital video TDMA system for business video communications

Kubota, S., Kazama, H., Morikura, M. & Kato, S., 1992 Jan 1, 1992 International Conference on Communications: Discovering a New World of Communications, SUPERCOMM/ICC 1992 - Conference Record. Institute of Electrical and Electronics Engineers Inc., p. 1599-1604 6 p. 268022. (IEEE International Conference on Communications).

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

2 Citations (Scopus)

Novel Satellite Digital Video TDMA System for Business Video Communications

Kato, S., Kubota, S., Kazama, H. & Morikura, M., 1992 Aug, In : IEEE Journal on Selected Areas in Communications. 10, 6, p. 1054-1065 12 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Superposed transmission of high speed QPSK signals and SSMA-QPSK signals in non-linear channels

Morikura, M., Sugiyama, T., Kazama, H., Kubota, S. & Kato, S., 1992 Jan 1, GLOBECOM 1992 - Communication for Global Users: IEEE Global Telecommunications Conference. Institute of Electrical and Electronics Engineers Inc., p. 727-731 5 p. 276422. (GLOBECOM 1992 - Communication for Global Users: IEEE Global Telecommunications Conference).

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

Superposed Transmission of High Speed QPSK Signals and SSMA-QPSK Signals in Non-linear Channels

Morikura, M., Sugiyama, T., Kazama, H., Kubota, S. & Kato, S., 1992 Dec 1, In : IEEE International Conference on Global Communications (Globecom'92). p. 727-731

Research output: Contribution to journalArticle

Time Diversity CDMA Scheme for Time Varying Channels

Kubota, S., Kato, S. & Feher, K., 1992 Sep 1, In : Default journal.

Research output: Contribution to journalArticle

Universal-Coding-Rate Scarce-State-Transition Viterbi Decoder

Kawazoe, K., Honda, S., Kubota, S. & Kato, S., 1992 Jun 1, In : IEEE International Conference on Communications (ICC'92).

Research output: Contribution to journalArticle

2 Citations (Scopus)
1991

A TDMA satellite communication system for ISDN services--Offset QPSK burst modem coupled with high coding gain FEC

Kato, S., Morikura, M., Kubota, S., Kazama, H. & Enomoto, K., 1991 Dec 1, IEEE Global Telecommunications Conference and Exhibition. Publ by IEEE, p. 1533-1540 8 p. (IEEE Global Telecommunications Conference and Exhibition; vol. 3).

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

1 Citation (Scopus)

Common Transmission of High Speed QPSK Signal and SSMA Signal over Nonlinearly Amplified Transponder

Enomoto, K., Morikura, M., Kubota, S. & Kato, S., 1991 May 1, In : IEICE Transaction on Communications.

Research output: Contribution to journalArticle

DCF Reverse Modulation Type Carrier Recovery Circuit for Rician Fading Channel

Sakai, T., Kobayashi, K., Kubota, S., Morikura, M. & Kato, S., 1991 Dec 1, In : IEEE International Conference on Global Communications (Globecom'91).

Research output: Contribution to journalArticle

4 Citations (Scopus)

New Carrier Recovery Circuit for Land Mobile Satellite Communication

Kobayashi, K., Sakai, T., Kubota, S., Morikura, M. & Kato, S., 1991 Sep 1, In : International Symposium on Personal Indoor Mobile Radio Communications (PIMRC'91).

Research output: Contribution to journalArticle

3 Citations (Scopus)
1990

Application of Advanced Microelectronics to Large-Scale Communication Equipment—Compact and Maintenance-Free TDMA Equipment

Kato, S., Morikura, M., Umehira, M., Enomoto, K. & Kubota, S., 1990 Oct, In : IEEE Journal on Selected Areas in Communications. 8, 8, p. 1551-1564 14 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Common transmission of high speed QPSK signals and SSMA signals over nonlinearly amplified transponder

Enomoto, K., Morikura, M., Kubota, S. & Kato, S., 1990 Jan 1, p. 59-64. 6 p.

Research output: Contribution to conferencePaper