If you made any changes in Pure these will be visible here soon.

Research Output 1982 2017

  • 1786 Citations
  • 18 h-Index
  • 215 Article
  • 66 Conference contribution
  • 1 Paper
Filter
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

MIMO (control systems)
local area networks
Wireless local area networks (WLAN)
MIMO systems
Local area networks
2009
1 Citation (Scopus)

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

Jiang, W., Asai, Y. & Kubota, S., 2009, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. 5449907

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

Multiplexing
MIMO systems
Detectors
Maximum likelihood
Antennas
2008
1 Citation (Scopus)

Approximate maximum likelihood detectors for MIMO spatial multiplexing systems

Jiang, W., Kubota, S. & Asai, Y., 2008, IEEE Wireless Communications and Networking Conference, WCNC. p. 153-158 6 p. 4489063

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

Multiplexing
MIMO systems
Maximum likelihood
Detectors
Antennas
3 Citations (Scopus)

Distributed interference cancellation for dynamic spectrum sharing

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

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

Time division multiple access
Signal to noise ratio
Computer simulation
2007
15 Citations (Scopus)

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, IEEE MTT-S International Microwave Symposium Digest. p. 1649-1652 4 p. 4264165

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

Bandpass filters
bandpass filters
Millimeter waves
millimeter waves
filters

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

Honma, N., Nishimori, K., Takatori, Y., Ohta, A. & Kubota, S., 2007, IET Seminar Digest. 11961 ed. Vol. 2007.

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

Antennas
Channel capacity
Numerical analysis
2 Citations (Scopus)

Cooperative interference cancellation for multiuser transmission

Nishimori, K., Riichi, K., Takatori, Y., Ohta, A. & Kubota, S., 2007, IET Seminar Digest. 11961 ed. Vol. 2007.

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

Time division multiple access
Transfer stations
8 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, Proceedings - 2007 IEEE Radio and Wireless Symposium, RWS. p. 149-152 4 p. 4160672

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

Antenna arrays
Millimeter waves
Antennas
Substrates
Temperature
3 Citations (Scopus)

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

Ishihara, K., Takatori, Y. & Kubota, S., 2007, IEEE Vehicular Technology Conference. p. 566-570 5 p. 4349778

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

Carrier communication
Multiuser detection
Frequency selective fading
MIMO systems
Fading channels
1 Citation (Scopus)

New simple capacity estimation method for multiuser block diagonalization transmission

Kudo, R., Takatori, Y., Ohta, A., Nishimori, K. & Kubota, S., 2007, IEEE Vehicular Technology Conference. p. 1836-1840 5 p. 4212809

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

Multiplexing
Antennas
10 Citations (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, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). p. 2405-2408 4 p. 4396017

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

MIMO systems
Antennas
11 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, 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks. p. 543-546 4 p. 4221539

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

Directional patterns (antenna)
Cognitive radio
Antennas
Smart antennas
27 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, IEEE Vehicular Technology Conference. p. 2631-2635 5 p. 4212969

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

Radio systems
Cognitive radio
Communication systems
Antennas
Communication
4 Citations (Scopus)

Tree search based approximate maximum likelihood detector for spatial multiplexing systems

Jiang, W., Asai, Y. & Kubota, S., 2007, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. 4394077

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

Multiplexing
Maximum likelihood
Detectors
Telecommunication links
Antennas
8 Citations (Scopus)

User selection method for block diagonalization in multiuser MIMO systems

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

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

Transmitters
Throughput
Antennas
Computer simulation
2005
8 Citations (Scopus)

MAC protocol for fair two-way communications in wireless LANs

Ogawa, M., Kuno, Y., Sakata, T. & Kubota, S., 2005, Proceedings of the International Conference on Parallel Processing Workshops. Vol. 2005. p. 359-365 7 p. 1488716

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

Local area networks
Throughput
Network protocols
Communication
Carrier sense multiple access
2004

A priority control method for wireless multi-hop access using IEEE 802.11 DCF mechanism

Kawamura, K., Inoue, Y. & Kubota, S., 2004, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Vol. 1. p. 520-524 5 p.

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

Carrier sense multiple access
Wireless local area networks (WLAN)
Communication systems
Throughput
Network protocols
1 Citation (Scopus)

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

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

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

Traffic control
Local area networks
Quality of service
Controllers
Telecommunication traffic

Wireless download agent for high-capacity wireless LAN based ubiquitous services

Tokuyasu, T., Inoue, Y. & Kubota, S., 2004, GLOBECOM - IEEE Global Telecommunications Conference. Vol. 5. p. 3250-3256 7 p.

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

Local area networks
Mobile computing
Throughput
2002
1 Citation (Scopus)

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, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Vol. 1. p. 452-457 6 p. 1046742

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

Local area networks
Throughput
Bandwidth
Processing
Experiments

Proposal and evaluation of system diversity for software defined radio

Shono, T., Uehara, K. & Kubota, S., 2002, IEEE International Conference on Communications. Vol. 1. p. 490-496 7 p.

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

Communication systems
Channel capacity
Data communication systems
Quality of service
Signal processing
2001
2 Citations (Scopus)

Design and evaluation of software radio program on multiprocessor architecture platform for full-duplex real-time communication

Uehara, K., Suzuki, Y., Shiba, H., Tanaka, H., Asai, Y., Shono, T. & Kubota, S., 2001, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Vol. 2.

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

Software radio
Communication
Processing
Application programming interfaces (API)
Program processors

Design and evaluation of software radio prototype with over-the-air download function

Shiba, H., Shono, T., Uehara, K. & Kubota, S., 2001, IEEE Vehicular Technology Conference. 54ND ed. Vol. 4. p. 2466-2469 4 p.

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

Software radio
Air
Data storage equipment
2000
7 Citations (Scopus)

Design of software radio for cellular communication systems and wireless LANs

Uehara, K., Tanaka, H., Shiba, H., Suzuki, Y., Nakatsugawa, M., Shirato, Y. & Kubota, S., 2000, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Vol. 1. p. 474-478 5 p.

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

Cellular radio systems
Software radio
Local area networks
Program processors
Communication systems
9 Citations (Scopus)

Flexible security systems and a new structure for electronic commerce on software radio

Sugita, M., Uehara, K. & Kubota, S., 2000, IEEE Vehicular Technology Conference. 52 ND ed. IEEE, Vol. 6. p. 3033-3040 8 p.

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

Software radio
Electronic commerce
Security systems
Radio systems
Flexible structures
3 Citations (Scopus)

High-accuracy pedestrian positioning information system using pico cell techniques

Shibuya, A., Nakatsugawa, M., Kubota, S. & Ogawa, T., 2000, IEEE Vehicular Technology Conference. IEEE, Vol. 1. p. 496-500 5 p.

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

Information systems
2 Citations (Scopus)

Pico cell network for local positioning and information system

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

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

Information services
Information systems
Mobile computing
Transmitters

Software radio base and personal stations for cellular/PCS systems

Nakatsugawa, M., Uehara, K., Suzuki, Y. & Kubota, S., 2000, IEEE Vehicular Technology Conference. IEEE, Vol. 1. p. 617-621 5 p.

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

Software radio
Program processors
Air
Base stations
Modulation
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

Demodulators
Personal communication systems
Transmitters
Antennas
1996

Bit significance selective frequency diversity transmission - voice quality improvement in fading channels

Kumagai, T., Kobayashi, K., Kawazoe, K. & Kubota, S., 1996, Annual International Conference on Universal Personal Communications - Record. Anon (ed.). Vol. 2. p. 910-914 5 p.

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

Speech transmission
Fading channels
Bit error rate
Signal to noise ratio
Computer simulation

Bit-stream-arranged weighted modulation scheme for frequency selective fading channels

Kobayashi, K. & Kubota, S., 1996, Conference Record / IEEE Global Telecommunications Conference. Anon (ed.). Piscataway, NJ, United States: IEEE, Vol. 2. p. 1258-1262 5 p.

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

Frequency selective fading
Fading channels
Modulation
mapping method
computer simulation

DS-CDMA wireless access method with inter-cell access for personal communications

Ogose, S., Kubota, S. & Hattori, T., 1996, IEEE Vehicular Technology Conference. IEEE, Vol. 1. p. 610-614 5 p.

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

Cellular telephone systems
Code division multiple access
Base stations
Air
1995

High efficient and interference resistant half-chip offset QPSK-CDMA scheme for wireless LAN systems

Sugiyama, T., Mizoguchi, M., Kubota, S. & Kato, S., 1995, Conference Record / IEEE Global Telecommunications Conference. Vol. 3. p. 2166-2170 5 p.

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

Forward error correction
Quadrature phase shift keying
Wireless local area networks (WLAN)
Code division multiple access
Modulation

High quality and very low power consumption one-chip baseband LSIC for personal handy phone system

Mizoguchi, M., Sakata, T., Kobayashi, K., Matsumoto, Y., Kubota, S. & Karo, S., 1995, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Anon (ed.). Piscataway, NJ, United States: IEEE, Vol. 3. p. 1262-1266 5 p.

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

Demodulators
Electric power utilization
Controllers
Time division multiple access
Modems
1 Citation (Scopus)

High-quality signal transmission techniques for personal communication systems - novel coherent demodulation and ADPCM voice transmission with click noise processing-

Kobayshi, K., Sakata, T., Matsumoto, Y., Enomoto, K., Kubota, S. & Kato, S., 1995, IEEE Vehicular Technology Conference. Anon (ed.). IEEE, Vol. 2. p. 733-737 5 p.

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

Speech transmission
Personal communication systems
Demodulation
Recovery
Demodulators

QPSK carrier and bit-timing simultaneous recovery scheme for coherent demodulation

Nagura, T., Matsumoto, Y., Kubota, S. & Kato, S., 1995, IEEE International Conference on Communications. Anon (ed.). Piscataway, NJ, United States: IEEE, Vol. 3. p. 1636-1640 5 p.

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

Quadrature phase shift keying
Demodulation
Recovery
Time division multiple access
Fading channels

Reliable and low power consumption personal terminal architecture for wireless multimedia communications

Kawazoe, K., Sugimura, Y., Kubota, S. & Kato, S., 1995, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Anon (ed.). Piscataway, NJ, United States: IEEE, Vol. 3. p. 1362-1366 5 p.

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

Electric power utilization
Communication
Cellular telephone systems
Time division multiple access
Program processors

Reliable channel control method for wireless multimedia communications

Sugimura, Y., Kawazoe, K. & Kubota, S., 1995, Annual International Conference on Universal Personal Communications - Record. Piscataway, NJ, United States: IEEE, p. 476-480 5 p.

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

Communication
Base stations
Hardware

Voice transmission quality improvement scheme for personal communication systems - Super Mute scheme

Suzuki, M. & Kubota, S., 1995, Annual International Conference on Universal Personal Communications - Record. Piscataway, NJ, United States: IEEE, p. 713-717 5 p.

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

Speech transmission
Personal communication systems
Fading channels
Probability distributions
Degradation
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

Cellular telephone systems
Demodulators
Clocks
Electric power utilization
Recovery

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

Kawazoe, K., Suzuki, M., Kubota, S. & Kato, S., 1994, Conference Record - International Conference on Communications. Piscataway, NJ, United States: Publ by IEEE, Vol. 3. p. 1576-1580 5 p.

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

Decoding
Forward error correction
Hardware
Data storage equipment
Networks (circuits)
1 Citation (Scopus)

Phase ambiguity resolver for coherent detection mobile wireless communication systems with a very low power consumption Viterbi decoder employing SST scheme

Seki, K., Kubota, S. & Kato, S., 1994, Annual International Conference on Universal Personal Communications - Record. Piscataway, NJ, United States: IEEE, p. 210-214 5 p.

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

Rayleigh fading
Fading channels
Bit error rate
Communication systems
Electric power utilization

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, Conference Record - International Conference on Communications. Piscataway, NJ, United States: Publ by IEEE, Vol. 3. p. 1472-1477 6 p.

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

Time division multiple access
Modems
Local area networks
Integrated circuits
Satellites
1993
2 Citations (Scopus)

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, IEEE Global Telecommunications Conference. Piscataway, NJ, United States: Publ by IEEE, Vol. 3. p. 1612-1616 5 p.

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

Quadrature phase shift keying
Time division multiple access
Forward error correction
Degradation
4 Citations (Scopus)

Improved ADPCM voice transmission for TDMA-TDD systems

Nakamura, O., Dobashi, A., Seki, K., Kubota, S. & Kato, S., 1993, IEEE Vehicular Technology Conference. Piscataway, NJ, United States: Publ by IEEE, p. 301-304 4 p.

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

Speech transmission
Personal communication systems
Pulse code modulation
Time division multiple access
Error detection

Time diversity CDMA scheme employing orthogonal modulation for time varying channels

Kubota, S., Kato, S. & Feher, K., 1993, IEEE Vehicular Technology Conference. Piscataway, NJ, United States: Publ by IEEE, p. 444-447 4 p.

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

Code division multiple access
Modulation
Channel capacity
Personal communication systems
Mobile telecommunication systems
1 Citation (Scopus)

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

Urbin, I., Kubota, S. & Kato, S., 1993, IEEE International Conference on Communications. Piscataway, NJ, United States: Publ by IEEE, p. 1728-1734 7 p.

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

Satellite communication systems
Quadrature amplitude modulation
Phase shift keying
Bit error rate
Bandwidth
3 Citations (Scopus)

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

Kawazoe, K., Honda, S., Kubota, S. & Kato, S., 1993, IEEE International Conference on Communications. Piscataway, NJ, United States: Publ by IEEE, p. 1434-1438 5 p.

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

Electric power utilization
Data storage equipment
Forward error correction
Maximum likelihood
Decoding
1 Citation (Scopus)

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

Matsumoto, Y., Kubota, S., Morikura, M. & Kato, S., 1993, IEEE Vehicular Technology Conference. Piscataway, NJ, United States: Publ by IEEE, p. 396-399 4 p.

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

Demodulators
Quadrature phase shift keying
Time division multiple access
Recovery
Clocks
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 Jan 1, 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

Quadrature phase shift keying
Modems
Recovery
Modulation
Demodulators