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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 138件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
13:40
Tokyo Kikai-Shinko-Kaikan Bldg. Radiated and Conducted Emissions Reduction for High Power WPT Systems Using Spread Spectrum
Koji Ogura, Tetsu Shijo, Masatoshi Suzuki, Yasuhiro Kanekiyo, Kazuhiro Inoue, Shuichi Obayashi, Masaaki Ishida (Toshiba Corp.) EMCJ2019-34 EMD2019-15
EMI increases with high power over 100 kW WPT systems. Therefore, the reduction of EMI is very important. In this report... [more] EMCJ2019-34 EMD2019-15
pp.25-30
RCS 2019-06-19
16:05
Okinawa Miyakojima Hirara Port Terminal Building Spreading Factor Selection Method for Multiple Gateways Reception in LoRaWAN
Chen Muying, Koichi Adachi (UEC) RCS2019-58
For the IoT (Internet of Things), it is required to have low cost device and simple network construc- tion. As a solutio... [more] RCS2019-58
pp.125-130
RCS 2019-06-21
09:50
Okinawa Miyakojima Hirara Port Terminal Building RCS2019-84 This paper proposes code division multiple access (CDMA) acoustic spread spectrum communications for uplink terrestrial ... [more] RCS2019-84
pp.273-278
SR 2019-05-31
10:00
Tokyo Tokyo Big Sight [Technology Exhibit] QZSS short message SS-CDMA communication system -- Evaluation of transmitting timing control error --
Hiroshi Oguma, Rei Kawai, Takumi Shimada (NIT, Toyama), Takeshi Asai (Next-Dimension), Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2019-12
We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication
using Quasi-Zenith... [more]
SR2019-12
pp.71-77
RCS, SR, SRW
(Joint)
2019-03-06
14:35
Kanagawa YRP [Invited Lecture] Blind Adaptive Array with Time-Domain Symbol Spreading
Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Yu Nakayama (Aoyama Gakuin Univ.), Chang-Jun Ahn (Chiba Univ.) RCS2018-296
This paper proposes a time-domain symbol spreading (TSS) to expand the operational region of the blind adaptive array in... [more] RCS2018-296
pp.77-82
IN, NS
(Joint)
2019-03-05
13:30
Okinawa Okinawa Convention Center A Study on Performance Evaluation of MIMO Channel with Multilevel Spreading Codes
Tatsuya Motoki, Miyuki Hirose, Takehiko Kobayashi (Tokyo Denki Univ.) IN2018-135
To suppress the noise enhancement, a new spread spectrum communication system with Gold code had studied in our previous... [more] IN2018-135
pp.307-312
ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] 2019-02-19
10:30
Hokkaido Hokkaido Univ. A Prototype Visible Light V2V Communication and Ranging System Using Spread Spectrum Techniques (3rd Report)
Akira John Suzuki, Masahiro Yamamoto, Kiyoshi Mizui (KGU) ITS2018-63 IE2018-84
In this report, we experimentally demonstrate a visible light boomerang prototype and verify the feasibility of simultan... [more] ITS2018-63 IE2018-84
pp.49-54
EA, ASJ-H, EMM, IPSJ-MUS [detail] 2018-11-21
13:30
Ishikawa Hotel Koshuen Study on spread-spectrum based speech watermarking method by using linear prediction residual
Reiya Namikawa, Masashi Unoki (JAIST) EA2018-68 EMM2018-68
Direct spread spectrum (DSS) method is well-known as a robust audio information-hiding method.
However, this method has... [more]
EA2018-68 EMM2018-68
pp.31-36
SANE 2018-06-22
16:05
Ibaraki Tsukuba Space Center, JAXA Development of spread spectrum command receiver for space use
Mitsuhiro Nakadai, Chihaya Kato, Masanobu Yajima (JAXA), Hideto Okada, Masanobu Ohtake, Chihiro Sakakibara (NEC Space) SANE2018-20
Although the spread spectrum achieves stable communication by suppressing interferer by spreading process, since the sat... [more] SANE2018-20
pp.39-44
EMM 2018-03-05
14:35
Kagoshima Naze Community Center (Amami-Shi, Kagoshima) [Poster Presentation] Study on spread-spectrum based speech watermarking method for linear predictive coding
Reiya Namikawa, Masashi Unoki (JAIST) EMM2017-79
This paper investigates availability of spread-spectrum based speech watermarking
method for linear predictive coding. ... [more]
EMM2017-79
pp.13-16
EMM 2018-03-05
15:45
Kagoshima Naze Community Center (Amami-Shi, Kagoshima) [Poster Presentation] Improvement of Emergency Broadcasting System Based on Audio Data Hiding
Youki Sada, Tetsuya Kojima (NIT, Tokyo College) EMM2017-88
The authors have proposed a disaster prevention broadcasting system based on audio data hiding scheme. In this system, m... [more] EMM2017-88
pp.55-60
ITS, WBS, RCC 2017-12-14
13:30
Okinawa Tiruru/Okinawa Jichikaikan [Poster Presentation] Acoustic Communications Employing Spread Spectrum Using Inaudible Frequency Band
Yuuki Yasuda, Masashi Takemura, Mai Nakatsuka, Keiji Yamada, Shota Nagano, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) WBS2017-52 ITS2017-29 RCC2017-68
This paper discusses basic performance of spread spectrum communications for acoustic communications. This spread spectr... [more] WBS2017-52 ITS2017-29 RCC2017-68
pp.95-99
HCGSYMPO
(2nd)
2017-12-13
- 2017-12-15
Ishikawa THE KANAZAWA THEATRE Proposal and Evaluation of High-accurate Indoor Positioning System Implemented Information Transmission Function using Inaudible Sound
Kohei Morishita, Takeru Kadokura, Shigenori Ioroi, Hiroshi Tanaka (KAIT)
The authors have been developing a highly accurate indoor positioning system using inaudible sounds capable of realizing... [more]
EMM 2017-11-07
13:00
Kagoshima Kagoshima Univ. (Inamori Academy) A Study of DCT-OFDM-Based Watermarking Scheme Assisted by Error Correcting Code
Shogo Shigemoto, Minoru Kuribayashi, Nobuo Funabiki (Okayama Univ.) EMM2017-64
There are two variants for the DCT-OFDM-based watermarking scheme that retains high robustness against various kinds of ... [more] EMM2017-64
pp.47-52
RCS 2017-10-19
15:55
Miyagi Tohoku Institute of Technology [Invited Lecture] Massive Connect IoT Using QZSS/GPS High Accuracy Time and Position Information
Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu (Tohoku Univ.) RCS2017-183
The next generation information network is expected to further develop as a social infrastructure in all fields such as ... [more] RCS2017-183
p.87
CQ 2017-08-28
13:20
Tokyo Tokyo University of Science [Tutorial Invited Lecture] Massive Connect IoT: Multiple Access Method Using High Accuracy Time and Position Information
Suguru Kameda (Tohoku Univ.) CQ2017-54
The next generation information network is expected to further develop as a social infrastructure in all fields such as ... [more] CQ2017-54
p.25
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-20
10:30
Hokkaido Hokkaido Univ. Investigating the LoRa Receiver Performance under Mutual Interference
Guibing Zhu, Chun-Hao Liao, Makoto Suzuki, Yoshiaki Narusue, Hiroyuki Morikawa (Univ. of Tokyo) RCS2017-110
LoRa networks achieve a remarkable wide coverage by exploiting the chirp spread spectrum (CSS) technique. However, a sin... [more] RCS2017-110
pp.103-108
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-21
13:20
Hokkaido Hokkaido Univ. Demodulation Method of LPWA (Chirp Spread Spectrum)Signals and Multi-hop Transmisson Method -- Proposal of a Packet Collision Avoidance of CSS Signals and CSS-Packet Forwarding Method --
Yoshihiko Takeuchi (JRC), Chun-Hao Liao, Makoto Suzuki, Hiroyuki Morikawa (The Univ. of Tokyo) RCC2017-46 NS2017-63 RCS2017-138 SR2017-61 ASN2017-54
In this work, we investigate a LPWA communication system that combines the chirp spread spectrum (CSS) and M-ary FSK mod... [more] RCC2017-46 NS2017-63 RCS2017-138 SR2017-61 ASN2017-54
pp.179-184(RCC), pp.169-174(NS), pp.233-238(RCS), pp.191-196(SR), pp.205-210(ASN)
WBS, MICT 2017-07-13
16:00
Shizuoka ACT CITY A Study on MIMO Systems with Antenna Pattern Modulation Technique
Masato Saito (Ryukyu Univ.) WBS2017-17 MICT2017-19
In this paper, we propose an antenna pattern modulation (APM) to exploit path diversity in Multiple-Input Multiple-Outpu... [more] WBS2017-17 MICT2017-19
pp.51-56
ITS 2017-06-21
17:25
Saitama Saitama University A Prototype Visible Light V2V Communication and Ranging System Using Spread Spectrum Techniques (2nd Report)
Akira John Suzuki, Kento Futaki, Masahiro Yamamoto, Kiyoshi Mizui (KGU) ITS2017-6
In this paper we describe an advanced visible light boomerang prototype on circuit board, further verifying the feasibil... [more] ITS2017-6
pp.31-36
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