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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMM | 2023-01-26 14:00 |
Miyagi | Tohoku Univ. (Primary: On-site, Secondary: Online) |
Improving Frame Synchronization in Blind Speech Watermarking Method based on Spread-Spectrum using Linear Prediction Residue Takuto Isoyama (JAIST), Tetsuya Kojima (NIT, Tokyo College), Masashi Unoki (JAIST)  EMM2022-66 |
We previously proposed a blindly-detectable direct-spread spectrum (DSS) method using linear prediction (LP) residue. Th... [more] | EMM2022-66 pp.26-31 |
| MWPTHz, PN, EMT, IEE-EMT [detail] | 2023-01-24 10:30 |
Osaka | (Primary: On-site, Secondary: Online) |
Continuous Monitoring of Laser Characteristics Naoki Tsuchida, Takuma Kuno, Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2022-38 EMT2022-76 MWPTHz2022-64 |
Optical performance monitoring (OPM) is an attractive approach to minimize margins and maximize the spectral efficiency ... [more] | PN2022-38 EMT2022-76 MWPTHz2022-64 pp.39-42 |
| SRW | 2023-01-16 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Study on the Periodic NAV Notification to Adjacent Channels for WLAN System Using Virtual Dedicated Channel Scheme Yusuke Hirano, Shinichi Miyamoto (Wakayama UNiv.) SRW2022-36 |
To establish a virtual dedicated channel for area owner's wireless local area network (WLAN) systems, a virtual dedicate... [more] | SRW2022-36 pp.7-12 |
| SRW | 2023-01-16 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Signal Detection for M-ary Orthogonal Coded Chirp CDMA Shigenobu Sasaki (Niigata Univ.) SRW2022-39 |
Chirp spread spectrum (CSS) scheme has been attracting attention as one of promising modulation scheme in LPWA (Low Powe... [more] | SRW2022-39 pp.20-22 |
| MSS, SS | 2023-01-11 13:55 |
Osaka | (Primary: On-site, Secondary: Online) |
MSS2022-57 SS2022-42 |
(To be available after the conference date) [more] | MSS2022-57 SS2022-42 pp.72-77 |
| EA, US (Joint) |
2022-12-22 15:45 |
Hiroshima | Satellite Campus Hiroshima | [Invited Talk]
Acoustic distance measurement method based on standing waves using audible sound
-- Progress from distance measurement principle to source distance estimation -- Noboru Nakasako, Tetsuji Uebo, Toshihiro Shinohara (Kindai Univ.), Masato Nakayama (Osaka Sangyo Univ.) EA2022-65 |
Under the spread of the novel coronavirus COVID-19, it has become extremely important to keep social distance. In this c... [more] | EA2022-65 pp.24-31 |
| EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima | Satellite Campus Hiroshima | [Poster Presentation]
Spectrum Analysis of Radiated Sound from Kotsuzumi to Evaluate Differences among Players and Materials Tomohisa Funakura (Tokyo Tech), Kengo Kimotsuki, Mutsuo Ishikawa (Toin Univ. of Yokohama), Marie Tabaru (Tokyo Tech) EA2022-67 |
There are few reports on kotsuzumi tonal adjustments and comparisons of multiple kotsuzumi or different players, so ther... [more] | EA2022-67 pp.36-41 |
| EA, EMM, ASJ-H | 2022-11-21 10:00 |
Online | Online | [Poster Presentation]
Consideration on sound source distance measurement using the sparse Bayesian estimation with a small microphone array system Senta Ariizumi, Eishin Kirikane, Kenji Ozawa (Univ. of Yamanashi) EA2022-47 EMM2022-47 |
The objective of this study is to achieve distance measurement of the sound source by using sparse Bayesian estimation f... [more] | EA2022-47 EMM2022-47 pp.34-39 |
| SR | 2022-11-07 15:30 |
Fukuoka | Fukuoka University (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
5D spectrum database Hirofumi Nakajo, Yusuke Itayama, Shougo Matsuo, Takeo Fujii (UEC) SR2022-56 |
A key issue in the research and development of next-generation mobile communication systems (Beyond 5G/6G) is the availa... [more] | SR2022-56 pp.58-63 |
| SR | 2022-11-08 10:55 |
Fukuoka | Fukuoka University (Primary: On-site, Secondary: Online) |
QZSS Short Message SS-CDMA Communication System
-- Evaluation of Satellite Signal Reception Error due to SVF -- Hiroto Kita, Hiroshi Oguma (NIT,Toyama), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) SR2022-60 |
We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication using Quasi-Zenith ... [more] | SR2022-60 pp.84-90 |
| RISING (3rd) |
2022-10-31 15:00 |
Kyoto | Kyoto Terrsa (Day 1), and Online (Day 2, 3) | [Poster Presentation]
A Trustworthy Approach for Radio Environment Map Construction in CRNs Ying GAO, Takeo Fujii (UEC) |
A common tool for improving communication efficiency when sharing spatial spectrum is the Radio Environment Map (REM). A... [more] | |
| PRMU | 2022-10-21 10:45 |
Tokyo | Miraikan - The National Museum of Emerging Science and Innovation (Primary: On-site, Secondary: Online) |
Subspace based Anomaly Detection Takumi Kanai, Naoya Sogi (Univ. Tsukuba), Atsuto Maki (KTH), Kazuhiro Fukui (Univ. Tsukuba) PRMU2022-25 |
In this paper, we propose a change point detection method in time series data by incorporating the concept of difference... [more] | PRMU2022-25 pp.18-23 |
| OFT | 2022-10-13 09:30 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Spectral Restoration of Optical Comb by Low-Resolution Spectrum Analyzer Combined with Inverse Matrix Deconvolution Takumi Hidaka, Tatsuki Ishijima, Shun Harada, Takahide Sakamoto (TMU) OFT2022-22 |
We demonstrate spectral measurement of frequency components generated from an electro-optic-modulator-based comb generat... [more] | OFT2022-22 pp.17-19 |
| OFT | 2022-10-13 10:50 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Super Agile High Resolution Spectrum Analyzer by Sampled Heterodyne System Hideto Takayasu, Shuhei Otsuka, Yuma Sato, Takahide Sakamoto (TMU) OFT2022-25 |
For monitoring today’s high-speed optical signals, there is a more and more demand for optical signal evaluation and mor... [more] | OFT2022-25 pp.29-32 |
| EMCJ, MW, EST, IEE-EMC [detail] | 2022-10-13 16:50 |
Akita | Akita University (Primary: On-site, Secondary: Online) |
Experimental Study on Switching Modulation Method of Spectrum-Spreading Shield Koichi Furuya, Tsuyoshi Kobayashi, Noriyuki Fukui, Eiji Taniguchi (Mitsubishi Electric Corp.) EMCJ2022-49 MW2022-95 EST2022-59 |
As a countermeasure against information leakage through electromagnetic waves, a spectrum-spreading shield (SSS) using a... [more] | EMCJ2022-49 MW2022-95 EST2022-59 pp.72-77 |
| PN | 2022-08-29 09:30 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Design Method of Pre-equalization Filters to Alleviate Spectrum Narrowing Yoshiaki Ishikawa, Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2022-8 |
To satisfy the ever-increasing traffic demand in a cost-effective manner, the use of high-baud signals and dense wavelen... [more] | PN2022-8 pp.1-4 |
| SRW | 2022-08-22 10:40 |
Online | Online | A Study on Dynamic Spectrum Sharing Using Linear Programming in Wireless LAN Takahiro Sasaki, Shigenobu Sasaki (Niigata Univ.) SRW2022-10 |
With the increase in the number of wireless communication devices, there is concern about the shortage of frequency reso... [more] | SRW2022-10 pp.8-13 |
| SANE | 2022-08-19 11:10 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Electromagnetic Interference Characteristics of Aircraft Radio Altimeters Due to In-band and Out-band Interference Signals
-- Evaluation of Variations in EMI Characteristics of the Same Type of Pulsed Altimeter -- Shunichi Futatsumori, Norihiko Miyazaki, Noriaki Hiraga (ENRI) SANE2022-49 |
This report discusses electromagnetic interference characteristics of aircraft radio altimeters due to in-band and out-b... [more] | SANE2022-49 pp.92-96 |
| NLP | 2022-08-02 16:20 |
Online | Online | Esimation of Propagation Delay and Doppler Frequency based on Time-Domain and Frequency-Domain Spread Spectrum Signal. Yutaka Jitsumatsu (Tokyo Tech.) NLP2022-38 |
In Direct Sequence Spread Spectrum (DSSS) communications, a symbol interval is divided into chip intervals, and a pseudo... [more] | NLP2022-38 pp.44-49 |
| AP, SANE, SAT (Joint) |
2022-07-28 14:30 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Analysis of V2V communication using FDTD method Naoki Ariyama, Takuji Arima (TUAT), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2022-51 |
The need for vehicle-to-vehicle communications is increasing to realize more accurate automated driving and advanced tra... [more] | AP2022-51 pp.97-100 |
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