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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2018-02-28 09:35 |
Kanagawa | YRP | Performance evaluation of Windowed-DFTs-OFDM using overlap FFT filter bank Takahiro Okano, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.)  SRW2017-67 |
IoT(Internet of Things) to connect various "things" to the Internet is one of the most important applications in 5G mobi... [more] | SRW2017-67 pp.7-12 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-21 08:50 |
Hokkaido | Hokkaido Univ. | Design and performance of a novel overlap FFT filter-bank using smoothing technique Motohiro Tanabe, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) SR2017-57 |
Cognitive radio systems need a flexible wireless access capability which enables flexible utilization of discontinuous s... [more] | SR2017-57 pp.167-172 |
| SR | 2017-01-19 14:25 |
Ehime | Himegin Hall | A novel overlap FFT filter-bank with variable overlap length for flexible spectrum access Akira Saito, Motohiro Tanabe, Masahiro Umehira, Shigeki Takeda, Wang Xiaoyan (Ibaraki Univ.) SR2016-81 |
Flexible spectrum access technology is required to change the bandwidth and channel frequency flexibly for cognitive rad... [more] | SR2016-81 pp.17-22 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 11:40 |
Tokyo | Tokyo Institute of Technology | Design and Performance of an Extended Overlap FFT Filter-Bank for Flexible Spectrum Access Akira Saito, Motohiro Tanabe, masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) SR2015-95 |
In the cognitive radio using the non-contiguous unused spectrum with different bandwidth, we need a multi-rate transmiss... [more] | SR2015-95 pp.41-46 |
| NS, RCS (Joint) |
2015-12-18 10:00 |
Ehime | Matsuyama Community Center | Adjacent channel interference performance improvement by weighted averaging technique for overlap FFT filter-bank Motohiro Tanabe, Akira Saito, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) RCS2015-262 |
The authors have been proposing a single-carrier modulation based wireless access scheme using overlap FFT filter-bank t... [more] | RCS2015-262 pp.109-114 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-31 10:50 |
Nagano | JA Naganoken Bldg. | Performance improvement by windowing technique in overlap FFT filter-bank for cognitive radio Motohiro Tanabe, Akira Saito, Masahiro Umehira (Ibaraki Univ.) SR2015-43 |
For the purpose to achieve higher spectrum efficiency, the authors proposed a flexible channel access scheme using overl... [more] | SR2015-43 pp.161-166 |
| RCS, SR, SRW (Joint) |
2014-03-03 15:50 |
Tokyo | Waseda Univ. | Window Functions for Frame Correlation Reduction in Overlapped FFT based Energy Detection Ryo Takai, Shoya Uchida, Yukitoshi Sanada (Keio Univ.) SR2013-101 |
Overlapped FFT based energy detection has been proposed as a signal detection scheme in dynamic spectrum access. The ove... [more] | SR2013-101 pp.33-40 |
| SR | 2014-01-24 11:15 |
Miyagi | Tohoku Univ. | Effect of FFT Frame Size and Window Function on Adjacent Channel Interference in Overlapped FFT Based Spectrum Sensing for Wireless LAN Shoya Uchida, Yukitoshi Sanada (Keio Univ.) SR2013-90 |
In this research, the effect of the frame size and the window function to adjacent channel interference have been evalua... [more] | SR2013-90 pp.77-84 |
| SR | 2013-05-24 16:05 |
Hiroshima | ASTER PLAZA (Hiroshima City) | Effect of Frame Size in Signal Detection Performance of Wireless LAN Using Overlapped FFT Scheme Shoya Uchida, Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.), Mohammad Ghavami (London South Bank Univ.) SR2013-18 |
In this research, the frame size of overlapped FFT energy detection for wireless LAN signal has been evaluated. Wireless... [more] | SR2013-18 pp.97-103 |
| SR | 2013-05-24 16:30 |
Hiroshima | ASTER PLAZA (Hiroshima City) | Experimental Investigation of Signal Sensing with Overlapped FFT based Energy Detection under the Existence of Fixed Distortion Component Ryo Takai, Shoya Uchida, Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.) SR2013-19 |
Overlapped FFT based energy detection has been proposed as a signal detection scheme in dynamic spectrum access. The ove... [more] | SR2013-19 pp.105-110 |
| RCS, SR, SRW (Joint) |
2013-02-27 15:55 |
Tokyo | Waseda Univ. | Performance Evaluation of a Novel Spectrum Sensing Scheme using Feature Detection Based on Clock Extraction Kenta Sakurai, Masahiro Umehira (Ibaraki Univ.) SR2012-92 |
A cyclostationarity based feature detection is proposed as a spectrum sensing scheme for dynamic spectrum access. Howeve... [more] | SR2012-92 pp.53-58 |
| SR | 2013-01-25 09:55 |
Nagano | Shinshu Univ. | Signal Detection Performance of Overlapped FFT Scheme with Frame Summation of Adjacent Channels Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.), Mohammad Ghavami (LSBU) SR2012-76 |
Signal detection without changing parameters of analog circuits is required to recognize radio environments on the adjac... [more] | SR2012-76 pp.25-31 |
| SR, AN, USN, RCS (Joint) |
2012-10-17 09:00 |
Fukuoka | Fukuoka univ. | Signal Detection Performance of Overlapped FFT Scheme with Additional Frames consisting of Non-continuous Samples in Indoor Environment Shoya Uchida, Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.), Mohammad Ghavami (London South Bank Univ.) SR2012-37 |
Overlapped FFT has been proposed as a signal detection scheme in dynamic spectrum access to reduce the variance of the n... [more] | SR2012-37 pp.1-8 |
| SR | 2012-07-27 14:30 |
Kagoshima | Yakushima (an island in Kagoshima pref.) | Performance of Signal Detection on Adjacent Channel using Overlapped FFT Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.) SR2012-34 |
Dynamic spectrum access requires to measure radio environments even during the communication with other cognitive radio ... [more] | SR2012-34 pp.93-98 |
| SR | 2012-05-25 10:00 |
Kanagawa | Keio univ. at Hiyoshi | Overlapped FFT Scheme with Frames of Non-continuous Samples Shoya Uchida, Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.) SR2012-13 |
Overlapped FFT has been proposed as a signal detection scheme in dynamic spectrum access to reduce the variance of the n... [more] | SR2012-13 pp.79-85 |
| SR, RCS, SRW (Joint) |
2012-03-07 16:40 |
Kanagawa | YRP | An adjacent channel interference reduction technique using overlap FFT Filter-Bank for OFDMA signals in Cognitive Radio Tomonori Ohta, Masahiro Umehira (Ibaraki Univ.) SR2011-120 |
An OFDMA (Orthogonal Frequency Division Multiple Access) technique is robust to severe multi-path fading and is flexible... [more] | SR2011-120 pp.113-117 |
| SR | 2011-07-28 15:05 |
Kanagawa | YRP | [Technology Exhibit]
Experimental Study of Signal Detection Scheme with Overlapped FFT Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.) SR2011-33 |
Overlapped FFT which improves the probability of signal detection by reducing the variance of noise has been investigate... [more] | SR2011-33 pp.101-106 |
| SR | 2011-04-21 13:55 |
Shimane | Matsue Terrsa | Performance of IEEE 802.11b/g Signal Detection Using Overlapped FFT Akihiro Sato, Mamiko Inamori, Yukitoshi Sanada (Keio Univ.) SR2011-2 |
In this report, IEEE 802.11b/g signal detection through overlapped FFT is investigated. It has been investigated that th... [more] | SR2011-2 pp.7-12 |
| AN, USN, SR, RCS (Joint) |
2010-10-29 09:30 |
Osaka | Osaka University | A novel spectrum sensing scheme using overlap FFT filter-bank for dynamic spectrum access Takanori Sato, Masahiro Umehira (Ibaraki Univ.) SR2010-61 |
As a spectrum sensing scheme for dynamic spectrum access, a periodgram scheme, a multi-taper scheme, and a filter-bank s... [more] | SR2010-61 pp.149-154 |
| USN | 2010-05-21 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design and performance of a microwave human sensor for safety in mechanical parking facilities Takuya Takahashi, Fumihiro Naito, Masahiro Umehira (Ibaraki Univ.) USN2010-6 |
A microwave human sensor to prevent the users from being locked in the parking facilities is necessary to reduce the ope... [more] | USN2010-6 pp.25-30 |
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