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Article
2016
2010

Rapid optical and X-ray timing observations of GX339-4: multicomponent optical variability in the low/hard state

G, G., hi, H., P, P., P., P., Dhillon, D., S., V., Durant, D., M., M., Fabian, F., C., A., Kubota, K., A., A., Makishima, M., K., K., Malzac, M., J., J., Marsh, M., R., T., Miller, M., M., J. & 1 others, P., S. T. SH. C. C., 2010 Oct 1, In : Monthly Notices of the Royal Astronomical Society. 407, p. 2166-2192

Research output: Contribution to journalArticle

63 Citations (Scopus)
2009

A new user selection measure in Block Diagonalization algorithm for multiuser MIMO systems

Kudo, R., Takatori, Y., Nishimori, K., Ohta, A., Kubota, S. & Mizoguchi, M., 2009 Oct, In : IEICE Transactions on Communications. E92-B, 10, p. 3206-3218 13 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Multiuser Detection for Asynchronous Broadband Single-Carrier Transmission Systems

Ishihara, K., Takatori, Y., Kubota, S. & Adachi, F., 2009 Jun 25, In : IEEE Transactions on Vehicular Technology. 58, 6, p. 3066-3071 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Suzaku Observations of M 82 X-1 : Detection of a Curved Hard X-Ray Spectrum

Miyawaki, M., Ryohei, R., Makishima, M., Kazuo, K., Yamada, Y., Shin'ya, S., G, G., hi, H., Poshak, P., Mizuno, M., Tsunefumi, T., Kubota, K., Aya, A., Tsuru, T., G., T., Matsumoto, M. & Hironori, H., 2009 Jan 30, In : Publications of the Astronomical Society of Japan. 61, p. S263-S278

Research output: Contribution to journalArticle

Tree based approximate optimal signal detectors for MIMO spatial multiplexing systems

Jiang, W., Asai, Y. & Kubota, S., 2009 Feb, In : IEICE Transactions on Communications. E92-B, 2, p. 544-558 15 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2008

Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarization and Patterns in Outdooe Multiuser MIMO System

Honma, H., Kudo, K., Nishimori, N., Takatori, T., Ohta, O. & Kubota, K., 2008 Jun 1, In : IEICE Transactions on Communications. E91-B, p. 1752-1759

Research output: Contribution to journalArticle

6 Citations (Scopus)

Antenna selection method for terminal antennas employing orthogonal polarizations and patterns in outdoor MultiUser MIMO system

Honma, N., Kudo, R., Nishimori, K., Takatori, Y., Ohta, A. & Kubota, S., 2008 Jan 1, In : IEICE Transactions on Communications. E91-B, 6, p. 1752-1759 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Approximate Maximum Likelihood Detecters for MIMO Spartial Multiplexing Systems

Jiang, J., Asai, A. & Kubota, K., 2008 Mar 1, In : IEEE Wireless Communications and Networking Conference (WCNC'2008). p. 153-158

Research output: Contribution to journalArticle

Approximate Maximum Likelihood Detection Algorithm for Multiple Antenna Systems

Jiang, J., Jiang;Asai;Kubota, JAK. & Kubota, S., 2008 Jul 1, In : IEICE Anntenas and Propagation. p. 105-110

Research output: Contribution to journalArticle

26 Citations (Scopus)
26 Citations (Scopus)

Discovery of a Bright Transient Ultraluminous X-Ray Source, Suzaku J1305-4931 in NGC4945

Isobe, I., N., N., Kubota, K., A., A., Makishima, M., K., K., G, G., hi, H., P., P., Griffiths, G., E., R., Dewangan, D., C., G., Itoh, I., T., T. & Mizuno, M., 2008 Feb 1, In : Publications of the Astronomical Society of Japan. 60, p. 241-250

Research output: Contribution to journalArticle

Interference cancellation and avoidance for secondary users co-existing with TDD-based primary systems

Nishimori, K., Yomo, H., Popovski, P., Takatori, Y., Prasad, R. & Kubota, S., 2008 May, In : Wireless Personal Communications. 45, 3, p. 403-421 19 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Mean effective gain of mobile antennas in line-of-sight street microcells with low base station antennas

Ando, A., Taga, T., Kondo, A., Kagoshima, K. & Kubota, S., 2008 Dec 11, In : IEEE Transactions on Antennas and Propagation. 56, 11, p. 3552-3565 14 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Novel microstrip antenna with rotatable patch fed by coaxial line for personal handy-phone system units

Ando, A., Kagoshima, K., Kondo, A. & Kubota, S., 2008 Aug 21, In : IEEE Transactions on Antennas and Propagation. 56, 8 II, p. 2747-2751 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Proposal of wireless traffic control schemes for wireless LANs

Hiraguri, T., Ichikawa, T., Iizuka, M. & Kubota, S., 2008 Jan 1, In : IEICE Transactions on Communications. E91-B, 5, p. 1340-1348 9 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Visible Light Communication and 6-axes Sensor Based Positioning Technique for a Barcode Reader System

Sertthin, C. & Kubota, C. SESM., 2008 Mar 1, In : IEICE Wideband Systems. p. 29-34

Research output: Contribution to journalArticle

2007

60GHz Monolithic LTCC Module for Wireless Communication Systems

Seki, T., Nishikawa, K. & Kubota, S., 2007 Sep 1, In : URSI First International Symposium on Radio Systems and Space Plasma. p. 63-66

Research output: Contribution to journalArticle

8 Citations (Scopus)

An Efficient and Effective Layer Ordering Rule for Spartial Multiplexing Systems

Jiang, J., Asai, A. & Kubota, K., 2007 Sep 1, In : Default journal.

Research output: Contribution to journalArticle

Compact 60-GHz LTCC Stripline Parallel-Coupled Bandpass Filter with Prastic Elements for Millimeter-Wave System-on-Package

Nishikawa, K., Seki, T., I.Toyoda, I. T. & Kubota, S., 2007 Jun 1, In : IEEE International Microwave Symposium (IMS'2007). p. 1649-1652

Research output: Contribution to journalArticle

15 Citations (Scopus)

Compact six-sector antenna using three intersecting dual-beam microstrip Yagi-Uda arrays with common director

Honma, N., Seki, T., Nishikawa, K. & Kubota, S., 2007 Mar 1, In : NTT Technical Review. 5, 3, p. 72-81 10 p.

Research output: Contribution to journalArticle

Comparison of SCFDE and OFDM with adaptive modulation and coding in nonlinear fading channel

Ishihara, K., Takatori, Y., Kubota, S. & Umehira, M., 2007 May 18, In : Electronics Letters. 43, 3, p. 174-175 2 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Cooperative Interference Cancellation for Secondary Spectrum Usage

Popovski, P., Prasad, R. & Kubota, S., 2007 Jul 1, In : Default journal.

Research output: Contribution to journalArticle

Effectiveness of Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System

Honma, N., Kudo, R., Nishimori, K., Takatori, Y., Ohta, A. & Kubota, S., 2007 Feb 1, In : ITG/IEEE Workshop on Smart Antenna (WSA 2007). p. 5325

Research output: Contribution to journalArticle

Enhanced Simplified Maximum Likelihood Detection (ES-MLD) in Multiuser MIMO Downlink in Time-Variant Environment

T.Yamada, T. Y., Jiang, W., Takatori, Y., Kudo, R., Ohta, A. & Kubota, S., 2007 Feb 1, In : ITG/IEEE Workshop on Smart Antenna (WSA 2007).

Research output: Contribution to journalArticle

Interference exoloitation for cognitive radios

Yomo, H., Nishimori, K., Popovski, P., Takatori, Y., Prasad, R. & Kubota, S., 2007 Oct 1, In : NTT Technical Review. 5, 10

Research output: Contribution to journalArticle

2 Citations (Scopus)

Interference Exploitation for Cognitive Radios

Popovski, P., Prasad, R. & Kubota, S., 2007 Mar 1, In : Default journal.

Research output: Contribution to journalArticle

Low Complexity Capacity Estimation Method for Multiuser Block Diagonalization Transmission

Kudo, R., Takatori, Y., Jiang, W., Nishimori, K., Ohta, A. & Kubota, S., 2007 Aug 1, In : International Symposium on Antennas and Propagation (ISAP'2007).

Research output: Contribution to journalArticle

Modelling the behaviour of accretion flows in X-ray binaries. Everything you always wanted to know about accretion but were afraid to ask

Done, D., Chris, C., Gierlinski, G., Marek, M., Kubota, K. & Aya, A., 2007 Dec 1, In : The Astronomy and Astrophysics Review. 15, p. 1-66

Research output: Contribution to journalArticle

660 Citations (Scopus)

Multiuser OFDM-MIMO Effect with Fair Resource Allocation in Actual Indoor Multipath Environment

Nishimori, K., Kudo, R., Takatori, Y., Ohta, A. & Kubota, S., 2007 Feb 1, In : ITG/IEEE Workshop on Smart Antenna (WSA 2007). p. 5331

Research output: Contribution to journalArticle

New Beamforming Method Robust against Timing Offsets in Multiuser MIMO-OFDM Systems

Takatori, Y., Ishihara, K., Kudo, R., Ohta, A. & Kubota, S., 2007 Aug 1, In : International Symposium on Antennas and Propagation (ISAP'2007).

Research output: Contribution to journalArticle

New downlink beamforming method for cooperative multiple access point systems

Kudo, R., Takatori, Y., Nishimori, K., Ohta, A. & Kubota, S., 2007 Sep, In : IEICE Transactions on Communications. E90-B, 9, p. 2303-2311 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

New robust beamforming method for frequency offsets in uplink multiuser OFDM-MIMO

Takatori, Y., Kudo, R., Ohta, A., Ishihara, K., Nishimori, K. & Kubota, S., 2007 Sep, In : IEICE Transactions on Communications. E90-B, 9, p. 2312-2320 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

New Simple Capacity Estimation Method for Multiuser MIMO Systems

Kudo, R., Takatori, Y., Nishimori, K. & Kubota, S., 2007 May 1, In : IEEE International Conference on Vehicle Technology (VTC'2007-S). p. 1836-1840

Research output: Contribution to journalArticle

1 Citation (Scopus)

Robust Beamforming Method for Asynchronous Uplink Multiuser MIMO-OFDM Systems

Takatori, T., Ishihara, I., Kudo, K., Ohta, O., Nishimori, N. & Kubota, K., 2007 Dec 1, In : Workshop on Personal Mobile Communications (WPMC '2007).

Research output: Contribution to journalArticle

Robust Multiuser Detection Method for Frequency Offsets in Uplink MIMO-OFDM

Takatori, Y., Kudo, R., Ishihara, K., Ohta, A. & Kubota, S., 2007 Feb 1, In : ITG/IEEE Workshop on Smart Antenna (WSA 2007). p. 5345

Research output: Contribution to journalArticle

Spatial Opportunity for Cognitive Radios under Directional Interference

Taranto, R. D., Prasad, R. & Kubota, S., 2007 May 1, In : Default journal.

Research output: Contribution to journalArticle

Spatial Opportunity for Cognitive Radio Systems with Heterogeneous Path Losses Conditions

Nishimori, K., Taranto, R. D., Yomo, H., Popovski, P., Takatori, Y., Prasad, R. & Kubota, S., 2007 Apr 1, In : IEEE International Conference on Vehicle Technology (VTC'2007-S). p. 2631-2635

Research output: Contribution to journalArticle

28 Citations (Scopus)
4 Citations (Scopus)
2006

Detailed spectral study of an ultra-luminous compact X-ray source M81 X-9 in the disk dominated

Tsunoda, N., Kubota, A., Namiki, M., sugiho, M., Kawabata, K. & Mikishima, K., 2006 Dec 1, In : Publications of the Astronomical Society of Japan. 58

Research output: Contribution to journalArticle

On Downlink Space Division Multiplexing in Partial Cooperation Multiple Access Point Systems

Kudo, R., Takatori, Y., Ohta, A., Nishimori, K. & Kubota, S., 2006 Nov 1, In : International Symposium on Antennas and Propagation (ISAP'2006).

Research output: Contribution to journalArticle

Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO

Takatori, T., Kudo, K., Ohta, O., Ishihara, I., Nishimori, N. & Kubota, K., 2006 Nov 1, In : International Symposium on Antennas and Propagation (ISAP'2006).

Research output: Contribution to journalArticle

Spatial Availability for Cognitive Radio System under Directional Interference

Nishimori, K., Bottega, E., Yomo, H., Popovski, P., Takatori, Y., Prasad, R. & Kubota, S., 2006 Sep 1, In : Workshop on Personal Mobile Communications (WPMC'2006).

Research output: Contribution to journalArticle

Suzaku Observation of The Black Hole Transient 4U 1630-472

Kubota, A., Dotani, T., Cottam, J., Done, C., Totani, T., Angelini, L., Fabian, A. C., Fukuzawa, Y. & ?7?, ., 2006 Aug 21, In : LAU XXVI General Assembly,S238 Black Holes: From The Stars to Galaxies-Across The Range of Masses.

Research output: Contribution to journalArticle