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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR, RCC, MICT, RCS, SRW (Joint) (2nd) |
2016-05-16 - 2016-05-17 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
Knife-edge and Slit Diffraction Measurements in the Terahertz Band Perttu Rintanen, Joonas Kokkoniemi, Janne Lehtomaki, Markku Juntti (CWC, Univ. Oulu) |
Measurement results on diffraction in the THz band from 0.1 THz to approximately 4 THz are reported. The measurements fo... [more] | |
| SR, SRW (Joint) |
2016-05-16 14:30 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
A study on FFT-ED based signal area estimation for spectrum awareness Riki Mizuchi, Kenta Umebayashi (TUAT), Janne Lehtomaki (Univ. of Oulu), Miguel Lopez-Benitez (Univ. of Liverpool)  SR2016-9 SRW2016-9 |
For achieving 2-layer smart spectrum access (SSA) which corresponds to feasible strategy of DSA, a development of spectr... [more] | SR2016-9 SRW2016-9 pp.27-34 |
| SR, RCC, MICT, RCS, SRW (Joint) (2nd) |
2016-05-16 - 2016-05-17 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
Surface Reflection and Scattering Measurements in the Terahertz Band Joonas Kokkoniemi, Janne Lehtomaki, Markku Juntti (CWC, Univ. Oulu) |
Measurement results on the surface scattering and reflections in the THz band from 0.1 THz to approximately 4 THz are re... [more] | |
| SR, RCC, MICT, RCS, SRW (Joint) (2nd) |
2016-05-16 - 2016-05-17 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Requested Talk] Future business ecosystem for mobile communications in the changing spectrum regulatory environment Marja Matinmikko (CWC, Univ. Oulu) |
This presentation will build upon the recent developments in the spectrum regulatory environment occurring globally and ... [more] | |
| SR, RCC, MICT, RCS, SRW (Joint) (2nd) |
2016-05-16 - 2016-05-17 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
Advanced FPGA/ASIC Development Teemu Aura, Olga Kayo (Nokia), Jukka Lahti, Janne Janhunen (Univ. of Oulu) |
Novel 5G innovations and technologies are rapidly coming into market. One of the main requirement for the new systems is... [more] | |
| 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 | 2016-01-22 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 |
| SR, SRW (Joint) (2nd) |
2015-10-26 09:20 |
Tokyo | KKE | [Tutorial Lecture]
Spectrum Measurement and Modeling for Spectrum Awareness in Cognitive Wireless Systems Kenta Umebayashi (TUAT), Miguel López-Benítez (Univ. of Liverpool), Janne Lehtomaki (Univ. of Oulu), Samuli Tiiro (TUAT) |
[more] | |
| SR, SRW (Joint) (2nd) |
2015-10-27 09:30 |
Tokyo | KKE | [Poster Presentation]
Achieving Cooperation in Inter-operator Infrastructure Sharing Keigo Hasegawa (Hitachi Kokusai Electric/Univ. of Oulu), Zaheer Khan (Univ. of Oulu), Kenta Umebayashi (TUAT), Alhussein Abouzeid (RPI/Univ. of Oulu), Matti Latva-aho (Univ. of Oulu) |
Infrastructure sharing is considered a potential cost-effective solution for solving the overflow demand problem in cell... [more] | |
| 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 | 2015-01-30 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 | 2014-01-24 10:50 |
Miyagi | Tohoku Univ. | Noise Floor Estimation Method with Welch FFT for Measurement of Spectrum Usage Ryota Takagi, Kenta Umebayashi (Tokyo Univ. of Agriculture and Tech.), Janne J Lehtomaki (Univ. of Oulu), Yasuo Suzuki (Tokyo Univ. of Agriculture and Tech.) SR2013-89 |
For spectrum scarcity problem, dynamic spectrum sharing has been investigated. In the dynamic spectrum sharing, new wire... [more] | SR2013-89 pp.71-76 |
| SR | 2013-10-25 14:00 |
Osaka | Osaka Univ. | A Study on Static Terahertz Channel Modeling for Nanosensor Communication Joonas Kokkoniemi, Janne Lehtomaki (Univ. Oulu), Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agriculture and Tech.) SR2013-70 |
The nanodevices will be reality in the future. The size of such devices (micrometers) drastically limits the capabilitie... [more] | SR2013-70 pp.97-103 |
| 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) |
| HPB (2nd) |
2013-06-17 13:45 |
Toyama | Toyama Prefectural Univ. | CSSP: Cooperative Sensor-data Stream Protocol Ryosuke Ozaki (Aoyama Gakuin Univ.), Niwat Thepvilojanapong (Mie Univ), Teemu Leppanen (Univ of Oulu), Naofumi Kitsunezaki, Yoshito Tobe (Aoyama Gakuin Univ.) |
[more] | |
| SR, AN, USN, RCS (Joint) |
2012-10-17 13:30 |
Fukuoka | Fukuoka univ. | QoSMOS System Architecture and Reference Model Ulrico Celentano (Univ. of Oulu) SR2012-45 |
[more] | SR2012-45 p.59 |
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