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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 96  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
ASN, ICTSSL 2018-05-14
14:55
Hiroshima Hiroshima City Univ. Communication restoration using mobile ICT unit cooperation with legacy radio systems
Takeshi Kugimoto, Yasuo Suzuki, Satoshi Kotabe, Hiroshi Tohjo (NTT) ICTSSL2018-4 ASN2018-4
 [more] ICTSSL2018-4 ASN2018-4
pp.17-22
ASN
(2nd)
2016-12-07
14:05
Overseas Sokha Siem Reap Resort & Convention Center Movable and Deployable ICT Resource Unit(MDRU) and Feasibility study in the Philippines
Hisashi Nagata, Satoshi Kotabe, Yoshitaka Shimizu, Atsushi Yamamoto, Yasuo Suzuki, Hiroshi Tohjo (NTT)
 [more]
RCS, CCS, SR, SRW
(Joint)
2016-03-02
17:20
Tokyo Tokyo Institute of Technology A study on optimum pilot power in secret communication system with dummy signal
Fumiya Nakabayashi, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2015-349
In this paper, we investigate power allocation method for physical layer security based wireless communication with dumm... [more] RCS2015-349
pp.97-102
SR 2016-01-21
13:00
Nagasaki Fukue-bunka-kaikan Analysis of low-cost Welch FFT segment size selection method for spectrum usage measurement
Hiroki Iwata, Kenta Umebayashi (TUAT), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT) SR2015-72
Smart Spectrum Access (SSA), which is an advanced Dynamic Spectrum Access (DSA) exploits any statistical information of ... [more] SR2015-72
pp.1-8
SR 2016-01-21
13:25
Nagasaki Fukue-bunka-kaikan A study on threshold setting for spectrum sensing based on spectrum utilization rate
Kazuhiro Hayashi, Kenta Umebayashi (TUAT), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT) SR2015-73
In this paper, we investigate threshold setting for spectrum sensing based on statistics of spectrum usage for spectrum ... [more] SR2015-73
pp.9-15
SR 2016-01-21
15:35
Nagasaki Fukue-bunka-kaikan [Special Talk] Adaptive signal processing with array antenna in spatial domain
Yasuo Suzuki (TUAT) SR2015-76
 [more] SR2015-76
pp.27-37
SR 2016-01-22
11:30
Nagasaki Fukue-bunka-kaikan Study on model of DC using mixed beta distribution
Masanao Kobayashi, Yoshitaka Tamaki, Kenta Umebayashi, Yasuo Suzuki (TUAT) SR2015-83
In this paper,we make variance models of Duty Cycle(DC) in the time domain and probability distribution density(PDF) mod... [more] SR2015-83
pp.75-80
SR 2016-01-22
14:20
Nagasaki Fukue-bunka-kaikan A study on parameter setting method of false alarm removal for spectrum awareness
Riki Mizuchi, Kenta Umebayashi (TUAT), Janne Lehtomaki (Univ. of Oulu), Miguel Lopez-Benitez (Univ. of Liverpool), Yasuo Suzuki (TUAT) SR2015-87
In dynamic spectrum access, statistical information of Primary User (PU) enables more reliable and efficient spectrum sh... [more] SR2015-87
pp.101-108
ASN
(2nd)
2015-12-05
10:55
Overseas Singapore Management University, Singapore Movable and Deployable ICT Resource Unit (MDRU) and Feasibility study in the Philippines
Yoshitaka Shimizu, Yasuo Suzuki, Hiroshi Tohjo (NTT)
 [more]
ASN
(2nd)
2015-12-05
10:35
Overseas Singapore Management University, Singapore [Technology Exhibit] Movable and Deployable ICT Resource Unit (MDRU) technologies
Yoshitaka Shimizu, Yasuo Suzuki, Hiroshi Tohjo (NTT)
 [more]
SR, SRW
(Joint)
(2nd)
2015-10-27
09:30
Tokyo KKE [Technology Exhibit] Spectrum awareness system prototype for smart spectrum access
Kenta Umebayashi, Riki Mizuchi, Hiroki Iwata, Kazuhiro Hayashi, Masanao Kobayashi, Samuli Tiiro, Yoshitaka Tamaki, Tatsuya Maruyama (TUAT), Janne Lehtomaki (UoO), Miguel Lopez-Benitez (UoL), Yasuo Suzuki (TUAT)
 [more]
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-30
10:30
Nagano JA Naganoken Bldg. [Poster Presentation] A low-complexity noise rejection method for high-accuracy energy detection on spectrum measurement
Riki Mizuchi, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCC2015-27 NS2015-47 RCS2015-110 SR2015-28 ASN2015-37
In this paper, we investigate a noise rejection method which corresponds to a part of post-processing of Fast Fourier Tr... [more] RCC2015-27 NS2015-47 RCS2015-110 SR2015-28 ASN2015-37
pp.53-60(RCC), pp.57-64(NS), pp.55-62(RCS), pp.71-78(SR), pp.93-100(ASN)
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-31
15:25
Nagano JA Naganoken Bldg. A study of power allocation in secret communication with dummy signal
Fumiya Nakabayashi, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2015-129
In this paper, we investigate power an allocation method for physical layer security based wireless communication with d... [more] RCS2015-129
pp.169-173
RCS 2015-06-26
10:53
Hokkaido Hokkaido Univ. Derivation of Non-uniform Linear Array Arrangement for Interference Suppression under Line-of-Sight Propagation
Yoshinobu Makino, Kenta Umebayashi (TUAT), Antti Tolli (Univ. of Oulu), Yasuo Suzuki (TUAT) RCS2015-93
In this paper, we investigate a low-complexity method for linear array antenna arrangement to suppress interference usin... [more] RCS2015-93
pp.275-280
SR 2015-05-28
14:25
Hyogo Akashi-Sangyou-Koryu-Center Study on model of variance regarding DC
Masanao Kobayashi, Kenta Umebayashi, Yasuo Suzuki (TUAT) SR2015-4
In this paper,we conduct modeling of Duty Cycle(DC) estimation that is one of spectrum usage statistics.A previous work ... [more] SR2015-4
pp.19-24
SR 2015-05-29
13:00
Hyogo Akashi-Sangyou-Koryu-Center A study on margin for spectrum sensing based on statistical information of spectrum utilization
Kazuhiro Hayashi, Kenta Umebayashi, Yasuo Suzuki (Tokyo University of Agriculture and Technology) SR2015-11
In this paper, we investigate design of spectrum sensing based on statistics of spectrum usage for spectrum sharing betw... [more] SR2015-11
pp.65-72
SR 2015-01-30
13:50
Hokkaido KKR Hakodate Welch FFT segment size selection method for Duty Cycle estimation
Hiroki Iwata, Kenta Umebayashi, Samuli Tiiro (TUAT), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT) SR2014-110
In dynamic spectrum access (DSA) and the scenario with dynamic primary user (PU), spectrum sensing with reasonably low c... [more] SR2014-110
pp.101-108
SR 2014-10-31
13:00
Overseas I2R, Singapore [Technology Exhibit] Development of a measurement system for spectrum awareness -- Duty estimation based on Welch-FFT --
Hiroki Iwata, Kenta Umebayashi, Riki Mizuchi, Tatsuya Maruyama, Kazuki Moriwaki, Samuli Tiiro (TUAT), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT) SR2014-89
To resolve the spectrum scarcity problem, dynamic spectrum access (DSA) has been investigated recently. In DSA, an unlic... [more] SR2014-89
pp.171-177
SR 2014-05-22
12:45
Kanagawa Toshiba Education & Training Institute [Technology Exhibit] Development of long-term spectrum utilization measurement system
Kenta Umebayashi, Ryota Takagi, Naoki Ioroi (Tokyo Univ. of Agliculture and Tech.), Janne Lehtomaki (Univ. of OULU), Yasuo Suzuki (Tokyo Univ. of Agliculture and Tech.) SR2014-9
 [more] SR2014-9
pp.57-64
SR 2014-05-23
09:10
Kanagawa Toshiba Education & Training Institute A Study on Secondary Transmit Stream Allocation in MIMO-Based Spectrum Sharing
Samuli Tiiro, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agliculture and Tech.) SR2014-12
 [more] SR2014-12
pp.77-82
 Results 1 - 20 of 96  /  [Next]  
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