Keio University

Presentations

Ohtsuki, Tomoaki

141-160 items (total 306)

Performance of DOA Estimation Using Temporal Spatial Virtual Array

Speaker
OHTSUKI TOMOAKIH. Hayashi and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title International Workshop on Vision, Communications and Circuits (IWVCC 2015)(Venue Yokohama, Japan) Dates 2015.11.03 - 2015.11.03
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Dynamic Almost Blank Subframe Assignment Method with Power Control Subframe for User Fairness

Speaker
M. Ozawa and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title The 21st Asia-Pacific Conference on Communications (APCC2015)(Venue Kyoto, Japan) Dates 2015.10.14 - 2015.10.14
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Undesired Signal Power Estimation Based on Estimated Superposed Band for Multicarrier Transmission

Speaker
Y. Shibata, T. Ohtsuki, and J. Mashino
Conference Title
[Conference Category International presentation] Conference Title The 21st Asia-Pacific Conference on Communications (APCC2015)(Venue Kyoto, Japan) Dates 2015.10.14 - 2015.10.14
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Complexity Reduction of Pico Cell Clustering for Interference Alignment in Heterogeneous Networks

Speaker
R. Seno, T. Ohtsuki, W. Jiang, and Y. Takatori
Conference Title
[Conference Category International presentation] Conference Title The 21st Asia-Pacific Conference on Communications (APCC2015)(Venue Kyoto, Japan) Dates 2015.10.14 - 2015.10.14
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

User Identification Based on Toothbrushing Information Using Three-Axis Accelerometer

Speaker
K. Kobayashi and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title UbiComp/ISWC2015(Venue Osaka, Japan) Dates 2015.09.07 - 2015.09.07
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Interference Alignment in Heterogeneous Networks using Pico Cell Clustering

Speaker
R. Seno, T. Ohtsuki, W. Jiang, and Y. Takatori
Conference Title
[Conference Category International presentation] Conference Title IEEE Vehicular Technology Conference (VTC2015-Fall)(Venue Boston, MA) Dates 2015.09.06 - 2015.09.06
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

On Secrecy Rate Analysis of MIMO Wiretap Channel Aided by A Cooperative Jammer with Channel Estimation Error

Speaker
S. Iwata and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2015)(Venue Hong Kong, China) Dates 2015.08.30 - 2015.08.30
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Heartbeat Detection with Doppler Sensor Using Adaptive Scale Factor Selection on Learning

Speaker
E. Mogi and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2015)(Venue Hong Kong, China) Dates 2015.08.30 - 2015.08.30
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Interference Alignment for Multi-User MIMO Interference Channels via a Riemannian Optimization Approach

Speaker
F.H. Panahi, T. Ohtsuki, W. Jiang, and Y. Takatori
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2015)(Venue Hong Kong, China) Dates 2015.08.30 - 2015.08.30
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Ergodic Capacity Analysis of Full-Duplex Amplify-Forward MIMO Relay Channel Using Tracy-Widom Distribution

Speaker
A.S. Arifin and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2015)(Venue Hong Kong, China) Dates 2015.08.30 - 2015.08.30
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Suppression of Multiple Interferences for Superposed Multicarrier Transmission

Speaker
Y. Kakizaki, T. Ohtsuki, and J. Mashino
Conference Title
[Conference Category International presentation] Conference Title IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2015)(Venue Hong Kong, China) Dates 2015.08.30 - 2015.08.30
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Opinion Mining in Twitter ~How to Make Use of Sarcasm to Enhance Sentiment Analysis~

Speaker
M. Bouazizi and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2015)(Venue Paris, France) Dates 2015.08.25 - 2015.08.25
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Improvements of FBS Resource Utilization and ABS Assignment Convergence for Dynamic ABS Assignment

Speaker
M. Ozawa and T. Ohtsuki
Conference Title
[Conference Category International presentation] Conference Title IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS2015)(Venue Singapore) Dates 2015.08.19 - 2015.08.19
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Massive MIMOにおけるチャネル予測および差分量子化を用いた主成分分析によるチャネル圧縮手法

Speaker
長島嶺,大槻知明,姜聞杰,鷹取泰司,中川匡夫
Conference Title
[Conference Category Domestic presentation] Dates 2016.09.20 - 2016.09.20
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Free-Space Optical Communications using Gaussian Q-function Bounds in Weak Atmospheric Turbulence

Speaker
H. D. Trung, D. V. Tuan
Conference Title
[Conference Category International presentation] Conference Title IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS2016)(Venue Tokyo) Dates 2016.08 - 2016.08
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

非接触生体信号検出及び見守り技術

Speaker
OHTSUKI TOMOAKI
Conference Title
[Conference Category Domestic presentation] Dates 2016.08.18 - 2016.08.18
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (invited, special)

Influence of Pointing Errors on Error Probability of Inter-Satellite Laser Communications

Speaker
Q. Wang, Ti. Song, M.W. Wu, T. Ohtsuki, and P.Y. Kam
Conference Title
[Conference Category International presentation] Conference Title Optoelectronics and Communications Conference / International Conference on Photonics in Switching (OECC/PS 2016)(Venue Niigata, Japan) Dates 2016.07 - 2016.07
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

OFDM伝送におけるチャネルおよび干渉電力の結合最大事後確率推定

Speaker
柿崎祐人, 大槻知明, P.Y. Kam, 須崎皓平, 笹木裕文, 宗秀哉
Conference Title
[Conference Category Domestic presentation] (Venue 名城大学) Dates 2017.03.25 - 2017.03.25
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Massive MIMOにおける多次元尺度構成法を用いたチャネル圧縮手法

Speaker
長島嶺,大槻知明,姜聞杰,鷹取泰司,中川匡夫
Conference Title
[Conference Category Domestic presentation] Dates 2017.03.23 - 2017.03.23
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

低信頼中継局によるMIMOスイッチングにおけるSTBCとPLNCを用いた物理層セキュリティ

Speaker
野口哲也, 田久修, 藤井威生, 大槻知明, 笹森文仁, 半田志郎
Conference Title
[Conference Category Domestic presentation] Dates 2017.03.23 - 2017.03.23
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)