Keio University

Presentations

Ohtsuki, Tomoaki

221-240 items (total 306)

Learning-based Cell Selection Method for Femtocell Networks

Speaker
D. Chaima and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Vehicular Technology Conference (VTC2012-Spring) Dates 2012.05 - 2012.05
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Joint SVD-GSVD Precoding Technique and Secrecy Capacity Lower Bound for the MIMO Relay Wire-tap Channel

Speaker
J. Marouan and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Vehicular Technology Conference (VTC2012-Spring) Dates 2012.05 - 2012.05
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Superposed Band Detection Based on Error Probability Using Initial Likelihood Masking

Speaker
T. Ohtsuki, G. Hayashi, J. Mashino, and T. Sugiyama
Conference Title
[Conference Category International presentation] Conference Title IEEE Vehicular Technology Conference (VTC2012-Spring) Dates 2012.05 - 2012.05
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Passive Localization Using Array Sensor With Support Vector Machine

Speaker
J. Hong, S. Kawakami, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title 9th Workshop on Positioning, Navigation and Communication 2012 (WPNC2012) Dates 2012.03 - 2012.03
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Double Stage and Combining Detection for Cyclo-Stationary Feature

Speaker
O. Takyu, H. Yano, T. Fujii, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title 2012 IEEE Radio $&$ Wireless Symposium (RWS) Dates 2012.01 - 2012.01
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Wireless Security and Monitoring System Using Array Antenna: Array Sensor

Speaker
OHTSUKI TOMOAKI
Conference Title
[Conference Category International presentation] Conference Title IEEE International Conference on Computing, Networking and Communications (ICNC2012) Dates 2012.01 - 2012.01
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (invited, special)

Blind Carrier Frequency Offset Estimation for MIMO OFDMA Uplink

Speaker
W. Zhang, H. Chen, Q. Yin, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Global Communications Conference (GLOBECOM2011) Dates 2011.12 - 2011.12
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Transmit and Receive Weights in Vector Coding with Channel Estimation Error and Feedback Delay

Speaker
K. Takano, K. Adachi, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Global Communications Conference (GLOBECOM2011) Dates 2011.12 - 2011.12
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Development of MMSE macro-diversity receiver with delay difference correction technique

Speaker
K. Mitsuyama, T. Ikeda, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Global Communications Conference (GLOBECOM2011) Dates 2011.12 - 2011.12
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

On Physical Layer Simulation Model for 6-Axis Sensor Assisted VLC Based Positioning System

Speaker
C. Sertthin, T. Fujii, O. Takyu, Y. Umeda, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Global Communications Conference (GLOBECOM2011) Dates 2011.12 - 2011.12
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Trajectory Optimization of Packet Ferries in Sparse Mobile Social Networks

Speaker
X. Guan, M. Chen, C. Liu, H. Chen, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Global Communications Conference (GLOBECOM2011) Dates 2011.12 - 2011.12
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Activity Recognition Based on Array Sensor

Speaker
T. Ohtsuki and J. Hong
Conference Title
[Conference Category International presentation] Conference Title 2011 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2011) Dates 2011.10 - 2011.10
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (invited, special)

A Nearest Transmitter Classification Method for VLC Based Positioning System

Speaker
C. Sertthin, O. Takyu, T. Fujii, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2011) Dates 2011.09 - 2011.09
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

A State Classification Method Based on Space-Time Signal Processing Using SVM for Wireless Monitoring Systems

Speaker
J. Hong and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2011) Dates 2011.09 - 2011.09
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Interference Mitigation for Multi-cell Downlink Multiuser MIMO Network

Speaker
P. Charoen and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Vehicular Technology Conference (VTC2011-Fall) Dates 2011.09 - 2011.09
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Codebook Based Interference Mitigation with Base Station Cooperation in Multi-cell Cellular Network

Speaker
P. Charoen and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS2011) Dates 2011.08 - 2011.08
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Low Complexity Cyclostationary Feature Detection Method to Compenstate Cyclostationarity-Degradation by Guard Interval Insertion

Speaker
H. Yano, O. Takyu, T. Fujii, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM)(Venue Osaka) Dates 2011.06 - 2011.06
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Distributed Angle Estimation for Wireless Sensor Network Localization with Multipath Fading

Speaker
W. Zhang, Q. Yin, H. Chen, W. Wang, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Conference on Communications (ICC'2011)(Venue Kyoto) Organizer IEEE Dates 2011.06 - 2011.06
Organizer
IEEE
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Internal Threats Avoiding based Forwarding Protocol in Social Selfish Delay Tolerant Networks

Speaker
X. Guan, C. Liu, M. Chen, H. Chen, and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Conference on Communications (ICC'2011)(Venue Kyoto) Organizer IEEE Dates 2011.06 - 2011.06
Organizer
IEEE
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Orthogonal Beamforming Using Gram-Schmidt Orthogonalization for Multi-User MIMO Downlink System

Speaker
K. Matsumura and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE Vehicular Technology Conference (VTC2011-Spring)(Venue Budapest) Organizer IEEE Dates 2011.05 - 2011.05
Organizer
IEEE
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)