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Research Output

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Conference contribution
2017

Preamble signal shortening employing least squares search methods in MIMO-OFDM base wireless LAN systems

Muguro, J. & Kubota, S., 2017 Jan 17, ISAP 2016 - International Symposium on Antennas and Propagation. Institute of Electrical and Electronics Engineers Inc., p. 282-283 2 p. 7821188

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

1 Citation (Scopus)
2009

A novel detection scheme for MIMO spatial multiplexing systems with partial lattice reduction

Jiang, W., Asai, Y. & Kubota, S., 2009, 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009. Institute of Electrical and Electronics Engineers Inc., p. 2524-2528 5 p. 5449907. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

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

2 Citations (Scopus)
2008

Approximate maximum likelihood detectors for MIMO spatial multiplexing systems

Jiang, W., Kubota, S. & Asai, Y., 2008, WCNC 2008 - IEEE Wireless Communications and Networking Conference, Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 153-158 6 p. 4489063. (IEEE Wireless Communications and Networking Conference, WCNC).

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

1 Citation (Scopus)

Distributed interference cancellation for dynamic spectrum sharing

Nishimori, K., Yomo, H., Popovski, P., Takatori, Y., Prasad, R. & Kubota, S., 2008 Sep 12, ICC 2008 - IEEE International Conference on Communications, Proceedings. p. 3044-3049 6 p. 4533609. (IEEE International Conference on Communications).

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

3 Citations (Scopus)
2007

Compact 60-GHz LTCC stripline parallel-coupled bandpass filter with parasitic elements for millimeter-wave system-on-package

Nishikawa, K., Seki, T., Toyoda, I. & Kubota, S., 2007 Oct 2, 2007 IEEE MTT-S International Microwave Symposium Digest. p. 1649-1652 4 p. 4264165. (IEEE MTT-S International Microwave Symposium Digest).

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

15 Citations (Scopus)

Compact and low-profile MIMO terminal antenna employing bidirectional Yagi-Uda array

Honma, N., Nishimori, K., Takatori, Y., Ohta, A. & Kubota, S., 2007 Dec 1, 2nd European Conference on Antennas and Propagation, EuCAP 2007. 11961 ed. (IET Seminar Digest; vol. 2007, no. 11961).

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

Cooperative interference cancellation for multiuser transmission

Nishimori, K., Riichi, K., Takatori, Y., Ohta, A. & Kubota, S., 2007 Dec 1, 2nd European Conference on Antennas and Propagation, EuCAP 2007. 11961 ed. (IET Seminar Digest; vol. 2007, no. 11961).

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

2 Citations (Scopus)

Microstrip array antenna with parasitic elements alternately arranged over two layers of LTCC substrate for millimeter wave applications

Seki, T., Nishikawa, K., Toyoda, I. & Kubota, S., 2007 Aug 28, Proceedings - 2007 IEEE Radio and Wireless Symposium, RWS. p. 149-152 4 p. 4160672. (Proceedings - 2007 IEEE Radio and Wireless Symposium, RWS).

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

8 Citations (Scopus)

Multiuser detection method for single-carrier transmission in uplink multiuser MIMO access

Ishihara, K., Takatori, Y. & Kubota, S., 2007 Dec 1, 2007 IEEE 66th Vehicular Technology Conference, VTC 2007-Fall. p. 566-570 5 p. 4349778. (IEEE Vehicular Technology Conference).

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

3 Citations (Scopus)

New simple capacity estimation method for multiuser block diagonalization transmission

Kudo, R., Takatori, Y., Ohta, A., Nishimori, K. & Kubota, S., 2007 Aug 2, 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring. p. 1836-1840 5 p. 4212809. (IEEE Vehicular Technology Conference).

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

1 Citation (Scopus)

Proposal of compact MIMO terminal antenna employing Yagi-Uda array with common director elements

Honma, N., Nishimori, K., Takatori, Y., Ohta, A. & Kubota, S., 2007 Dec 1, 2007 IEEE Antennas and Propagation Society International Symposium, AP-S. p. 2405-2408 4 p. 4396017. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

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

10 Citations (Scopus)

Simple antenna pattern switching and interference-induced multi-hop transmissions for cognitive radio networks

Di Taranto, R., Nishimori, K., Popovski, P., Yomo, H., Takatori, Y., Prasad, R. & Kubota, S., 2007 Jan 1, 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks. IEEE Computer Society, p. 543-546 4 p. 4221539. (2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks).

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

11 Citations (Scopus)

Spatial opportunity for cognitive radio systems with heterogeneous path loss conditions

Nishimori, K., Taranto, R. D., Yomo, H., Popovski, P., Takatorit, Y., Prasad, R. & Kubota, S., 2007 Aug 2, 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring. p. 2631-2635 5 p. 4212969. (IEEE Vehicular Technology Conference).

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

28 Citations (Scopus)

Tree search based approximate maximum likelihood detector for spatial multiplexing systems

Jiang, W., Asai, Y. & Kubota, S., 2007 Dec 1, 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'07. 4394077. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

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

4 Citations (Scopus)

User selection method for block diagonalization in multiuser MIMO systems

Kudo, R., Takatori, Y., Nishimori, K., Ohta, A. & Kubota, S., 2007 Dec 1, IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. p. 3295-3300 6 p. 4411535. (GLOBECOM - IEEE Global Telecommunications Conference).

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

8 Citations (Scopus)
2004

Development of traffic control mechanisms for IEEE 802.11 wireless LANs without QoS support functionality

Hiraguri, T., Inoue, Y. & Kubota, S., 2004 Dec 1, 1st International Symposium on Wireless Communication Systems 2004, Proceedings ISWCS '04. p. 383-387 5 p. (1st International Symposium on Wireless Communication Systems 2004, Proceedings ISWCS '04).

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

1 Citation (Scopus)
2002

Design and performance evaluation of software defined radio prototype for PHS and IEEE802.11 wireless LAN

Uehara, K., Shiba, H., Shono, T., Shirato, Y., Yoshioka, H., Nakatsugawa, M., Kubota, S. & Umehira, M., 2002 Dec 1, 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2002. p. 452-457 6 p. 1046742. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC; vol. 1).

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

1 Citation (Scopus)
2000

Pico cell network for local positioning and information system

Kudoh, E., Shibuya, A., Ogawa, T., Uchida, D., Nakatsugawa, M., Suda, H. & Kubota, S., 2000 Jan 1, IECON Proceedings (Industrial Electronics Conference). IEEE Computer Society, p. 1165-1170 6 p. 972287. (IECON Proceedings (Industrial Electronics Conference); vol. 1).

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

2 Citations (Scopus)
1998

High capacity and wide coverage cell station for PHS

Kobayashi, K., Kumagai, T., Kubota, S. & Ogose, S., 1998, ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 33-37 5 p. 732802

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

1994

A low power demodulator LSIC for personal communications: High performance coherent detection demodulator

Matsumoto, Y., Kubota, S. & Kato, S., 1994 Jan 1, Wireless Networks - Catching the Mobile Future: 5th IEEE Intemational Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 1994 - Proceedings. Arnbak, J. C., Prasad, R. & Weber, J. H. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 476-480 5 p. 529135. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC; vol. 2).

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

Double side information concatenated coding scheme for fading environments -experimental evaluation employing SNUFEC VLSI-

Kawazoe, K., Suzuki, M., Kubota, S. & Kato, S., 1994 Jan 1, Conference Record - International Conference on Communications. Publ by IEEE, p. 1576-1580 5 p. (Conference Record - International Conference on Communications; vol. 3).

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

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 Jan 1, Conference Record - International Conference on Communications. Publ by IEEE, p. 1472-1477 6 p. (Conference Record - International Conference on Communications; vol. 3).

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

1993

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)

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)

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)

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

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)

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

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)
1990

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)
1987

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)