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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ASN, RCS, NS, SR (Joint) |
2013-07-18 15:45 |
Shizuoka | Hamamatsu Act City | [Poster Presentation]
A study on Robust Multiple Hypothesis Testing Approach for Dynamic Spectrum Sharing Takashi Miura, Kenta Umebayashi (TUAT), Janne J Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT)  NS2013-60 RCS2013-111 SR2013-49 ASN2013-78 |
This paper tackles the four-level hypothesis problem for spectrum sharing between primary users (PUs) and secondary user... [more] | NS2013-60 RCS2013-111 SR2013-49 ASN2013-78 pp.137-142(NS), pp.179-184(RCS), pp.153-158(SR), pp.165-170(ASN) |
| ASN, RCS, NS, SR (Joint) |
2013-07-18 15:45 |
Shizuoka | Hamamatsu Act City | [Poster Presentation]
A study on Time domain Efficient Decision Fusion in Cooperative Spectrum Sensing Kenta Umebayashi (Tokyo Univ. of Agriculture and Tech.), Janne J Lehtomaki (Univ. of OULU), Yasuo Suzuki (Tokyo Univ. of Agriculture and Tech.) NS2013-61 RCS2013-112 SR2013-50 ASN2013-79 |
[more] | NS2013-61 RCS2013-112 SR2013-50 ASN2013-79 pp.143-148(NS), pp.185-190(RCS), pp.159-164(SR), pp.171-176(ASN) |
| SR | 2013-05-24 09:25 |
Hiroshima | ASTER PLAZA (Hiroshima City) | Study on Spatial Spectrum Sharing With Imperfect Channel State Information Samuli Tiiro, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agriculture and Tech.) SR2013-9 |
Cognitive radio (CR) systems aim for more efficient spectrum utilization by having so called secondary users (SUs) tran... [more] |
SR2013-9 pp.41-47 |
| NS, RCS (Joint) |
2012-12-14 09:20 |
Ehime | Ehime Univ. | A Study on Blind Channel order and delay timing estimations for signals modulated by same spreading code Tokihito Watanabe (TUAT), Wang Hongrong (Tokyo Bay Network), Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2012-210 |
Subspace based blind channel estimation techniques have been investigated to enable high quality CDMA communication. In ... [more] | RCS2012-210 pp.161-166 |
| NS, RCS (Joint) |
2012-12-14 13:10 |
Ehime | Ehime Univ. | A Study on Spectrum Sharing with IEEE802.11 Users by Minimum Contention Window Size Selection Using Channel Occupancy Rate Information Masaki Morita, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2012-233 |
In this paper, we investigated a spectrum sharing technique based on Channel Occupancy Rate (COR) information of the Pri... [more] | RCS2012-233 pp.297-302 |
| SR | 2012-07-27 10:50 |
Kagoshima | Yakushima (an island in Kagoshima pref.) | A study of frequency offset countermeasure for cyclostationrity-based a number of signals detection Takashi Miura, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agri. & Tech.) SR2012-29 |
In this paper，we have investigated 4-level hypothesis based spectrum sensing technique for spectrum spectrum sharing bet... [more] | SR2012-29 pp.55-61 |
| SR | 2012-07-27 11:15 |
Kagoshima | Yakushima (an island in Kagoshima pref.) | A Study on MIMO-Based Spectrum Sharing Samuli Tiiro, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agriculture and Tech.) SR2012-30 |
[more] | SR2012-30 pp.63-69 |
| SR | 2012-07-27 14:55 |
Kagoshima | Yakushima (an island in Kagoshima pref.) | A Study on Design of Array for Antenna Selection based Interference Suppression Takashi Morimoto, Masashi Tsuji, Kenta Umebayashi, Yasuo Suzuki (TUAT) SR2012-35 |
In this paper, we examined the placement of array antenna elements for interference suppression based on array antenna u... [more] | SR2012-35 pp.99-106 |
| RCS, SIP | 2012-01-26 09:00 |
Fukuoka | Fukuoka Univ. | The Secrecy Capacity maximized by Adaptive Modulation and Transmission Power Control Satoru Shimosaka, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SIP2011-78 RCS2011-267 |
In recent wireless communication, security is one of main issues and secret key sharing based on information theoretic s... [more] | SIP2011-78 RCS2011-267 pp.1-6 |
| SR | 2012-01-27 08:30 |
Kagoshima | Kagoshima | Interference Suppression Method for Spectrum Sharing in MIMO System Keiko Asaumi, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SR2011-89 |
In recent years, the scarcity of vacant spectrum bands has significantly impeded growth in demand for a usable spectrum ... [more] | SR2011-89 pp.67-72 |
| SR | 2012-01-27 08:55 |
Kagoshima | Kagoshima | A Study on Resource Allocation for Spectrum Shadowring Utilizing Cooperative Interference Estimation Daiki Hoshi, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SR2011-90 |
In this paper, we investigate a method to set the maximum allowable transmit power for secondary system (SS) in a spectr... [more] | SR2011-90 pp.73-79 |
| RCS, AN, SR, USN (Joint) |
2011-10-27 10:35 |
Tokyo | Sophia Univ. | Study on Efficient Decision Fusion in OR-rule based Cooperative Spectrum Sensing Kenta Umebayashi (Tokyo Univ. of Agriculture and Tech.), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (Tokyo Univ. of Agriculture and Tech.) RCS2011-160 SR2011-64 AN2011-38 USN2011-40 |
[more] | RCS2011-160 SR2011-64 AN2011-38 USN2011-40 pp.133-138(RCS), pp.143-148(SR), pp.115-120(AN), pp.115-120(USN) |
| RCS, MoNA, SR (Joint) |
2011-03-02 16:40 |
Kanagawa | YRP | Impact of Spectrum Sensing Strategy for DSA System on WLAN and Bluetooth Narihiro Nakamoto, Kazuto Yano, Yasuo Suzuki, Satoru Aikawa, Masahiro Uno, Masazumi Ueba (ATR) SR2010-98 |
The authors have researched on a wireless communication system based on Dynamic Spectrum Access (DSA) for the efficient ... [more] | SR2010-98 pp.69-76 |
| AP | 2011-01-20 12:45 |
Saga | Saga Univ. | A study on the detection of signals exceeding array degree of freedom Masashi Tsuji, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology) AP2010-139 |
A traditional DOA (Direction-Of-Arrival) estimation method can estimate the DOA up to $(N-1)$ signals when the number of... [more] | AP2010-139 pp.37-42 |
| SIP, RCS | 2011-01-21 14:30 |
Kagoshima | A Study on Phase Rotation Precoding Method for MIMO Correlated Channel Sho Furuichi, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SIP2010-114 RCS2010-244 |
This paper presents Phase Rotation (PR) method as a transmit precoding for MIMO correlated channel.We assume that MIMO c... [more] | SIP2010-114 RCS2010-244 pp.269-274 |
|
| AP, RCS (Joint) |
2010-11-11 11:00 |
Fukui | Fukui Univ. | Structure of Spectrum-Division Single Carrier Transmitter and Transmission Performance Yasuo Suzuki, Kazuto Yano, Masazumi Ueba (ATR) RCS2010-142 |
This paper studies two transmitter structures of the band-limited spectrum-division single carrier transmission method, ... [more] | RCS2010-142 pp.1-4 |
| SAT, RCS (Joint) |
2010-08-27 13:40 |
Kagoshima | Kagoshima Univ. | A study on effective observation information gathering method in cooperation Sensing Takanao Yazawa, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2010-100 |
In this paper, a method to achieve accurate and efficient method of gathering information for cooperative sensing based ... [more] | RCS2010-100 pp.129-134 |
| SAT, RCS (Joint) |
2010-08-27 14:00 |
Kagoshima | Kagoshima Univ. | A study on spectrum sharing technique using channel occupancy rate Tahseen Kazmi, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2010-101 |
This paper presents a spectrum sharing technique based on the Channel Occupancy Rate(COR)information of the Primary User... [more] | RCS2010-101 pp.135-140 |
| SR | 2010-07-29 13:20 |
Kyoto | ATR (Kyoto) | System indentification with cyclostationary properties in spectrum spectrum sharing system Kenta Umebayashi (Tokyo Univ. of Agr and Tech.), Shinya Hatakeyama (Tohoku Electric Power), Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SR2010-17 |
In spectrum sensing, it is determined if a primary user (PU) is present in the studied frequency band (hypothesis $H_1$)... [more] | SR2010-17 pp.7-12 |
| SR | 2010-01-21 14:15 |
Tokyo | Univ. of Electro-Communications | Study of Data Transmission Procedure for Dynamic Spectrum Access System in ISM Band Yasuo Suzuki, Kazuto Yano, Makoto Taromaru, Masazumi Ueba (ATR) SR2009-81 |
In the dynamic spectrum access system, it is necessary to decide the data transmission frequency from channel sensing re... [more] | SR2009-81 pp.47-51 |
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