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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 147  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CS 2023-07-27
09:47
Tokyo Hachijo-machi Chamber of Commerce and Industry Influence of Walsh-Hadmard codes Multiplied by pseudo-random sequences on Visible Light Communication Using an Event Camera
Daiki Ehara, Zhengqiang Tang (Nagoya Univ.), Masayuki Kinoshita (ChibaTech.), Takaya Yamazato, Hiraku Okada (Nagoya Univ.), Koji Kamakura (ChibaTech.), Shintaro Arai (Okayama Univ. of Sci.), Tomohiro Yendo (Nagaoka Univ. of Tech.), Toshiaki Fujii (Nagoya Univ.) CS2023-22
Visible light communication using an event camera in a receiver moving environment can transmit information by using Wal... [more] CS2023-22
pp.14-17
EMM, IT 2023-05-11
15:30
Kyoto Rakuyu Kaikan (Kyoto Univ. Yoshida-South Campus)
(Primary: On-site, Secondary: Online)
[Invited Talk] A Radar Waveform Design for Joint Estimation of Time Delay and Doppler Frequency
Yutaka Jitsumatsu (Tokyo Tech) IT2023-6 EMM2023-6
The main radar systems currently in use include frequency modulated continuous wave (FM-CW) radar and pulse compression ... [more] IT2023-6 EMM2023-6
p.30
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
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
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
IT, EMM 2022-05-17
14:40
Gifu Gifu University
(Primary: On-site, Secondary: Online)
A Hearable Music Data Hiding Scheme Based on Reverb Effects Utilizing Time-Spread Echo Hiding
Teppei Niimoto, Raito Matsuzaki, Akira Tanaka, Tetsuya Kojima (NIT, Tokyo College) IT2022-4 EMM2022-4
In digital data hiding, a property called "transparancy" is required in general. This property means that the embedded s... [more] IT2022-4 EMM2022-4
pp.19-22
RCS, SIP, IT 2022-01-20
14:05
Online Online A Study on Multi-Rate Transmission Scheme Using Two-Layered Spreading Codes for Synchronous Optical CDMA
Kyohei Ono (JEED), Hirokazu Tanaka (Hiroshima City Univ.), Tomoko K. Matsushima (YCC), Shoichiro Yamasaki (Hiroshima City Univ.) IT2021-50 SIP2021-58 RCS2021-218
Generalized modified prime sequence codes (GMPSCs) have been proposed as spreading codes for synchronous optical code di... [more] IT2021-50 SIP2021-58 RCS2021-218
pp.119-124
SRW 2021-08-24
13:10
Online Online [Panel Discussion] Wideband Signaling for Short Range Wireless Communications
Shigenobu Sasaki (Niigata Univ.) SRW2021-21
In this paper, the author introduces his work on wideband signaling for short range wireless communications, including (... [more] SRW2021-21
p.19
EMM, IT 2021-05-21
09:30
Online Online An Audio Data Hiding Scheme Utilizing Artificial Flowing Water Sounds
Naoyuki Muraoka, Tetsuya Kojima, Raito Matsuzaki (NIT, Tokyo College) IT2021-7 EMM2021-7
Data hiding techniques can be used as a communication medium as well as digital watermarking or fingerprinting applicati... [more] IT2021-7 EMM2021-7
pp.37-41
RCS 2021-04-22
16:00
Online Online A Frame Timing Detection Scheme Using Multiple Zadoff-Chu Sequences for DS-SS Systems Employing Space-time Block Codes
Megumi Fukuma, Masatsugu Higashinaka, Ryosuke Nakamura, Hiroshi Aruga (Mitsubishi Electric) RCS2021-9
This paper proposes a frame timing detection scheme for direct sequence spread spectrum employing space-time block codes... [more] RCS2021-9
pp.36-41
WBS, IT, ISEC 2021-03-04
09:50
Online Online Variable spreading factor codes for optical code-division multiple access
Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-113 ISEC2020-43 WBS2020-32
In this study, we propose variable spreading factor codes based on generalized modified prime sequence codes (GMPSCs), w... [more] IT2020-113 ISEC2020-43 WBS2020-32
pp.7-12
IT 2020-12-03
14:50
Online Online A Study on Signature Codes for Synchronous Optical CDMA Systems -- Proposal of Shortened Codes Based on Generalized Modified Prime Sequence Codes --
Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-57
In this paper, we propose a class of new spreading codes for synchronous optical CDMA and introduce a construction metho... [more] IT2020-57
pp.177-182
CS, IN, NS, NV
(Joint)
2020-09-11
15:10
Online Online A study of steganography based on error correction code and secret sharing scheme
Kaito Onuma, Sumiko Miyata (SIT) CS2020-44
In recent years, the opportunity to handle information on the Internet has increased and interest in security has increa... [more] CS2020-44
pp.47-52
IT, EMM 2020-05-29
11:20
Online Online A Study on Code Construction Method for Optical CDMA with Variable Spreading Factor
Shoichiro Yamasaki, Tomoko K. Matsushima, Kyohei Ono (Polytechnic Univ.) IT2020-9 EMM2020-9
This study proposes variable spreading factor codes for optical synchronous code division
multiple access (CDMA) which... [more]
IT2020-9 EMM2020-9
pp.49-54
IT, SIP, RCS 2020-01-23
10:15
Hiroshima Hiroshima City Youth Center Experimental Evaluation Results of Acoustic Spread Spectrum Communications Employing Orthogonal Gold Sequences
Haruka Toyota, Yuiti Shirasu, Ryuki Sano, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-38 SIP2019-51 RCS2019-268
This paper proposes code division multiple access (CDMA) acoustic spread spectrum communications for uplink terrestrial ... [more] IT2019-38 SIP2019-51 RCS2019-268
pp.13-18
IT, SIP, RCS 2020-01-23
11:15
Hiroshima Hiroshima City Youth Center A Novel Code Acquisition Scheme Using Multiple Chirp Signals Robust to Initial Frequency Offset
Megumi Fukuma, Masatsugu Higashinaka, Nakamura Ryosuke, Hiroshi Aruga (Mitsubishi Electric Corp.) IT2019-46 SIP2019-59 RCS2019-276
We propose a novel code acquisition scheme for Direct Sequence Spread Spectrum (DS-SS) robust to initial frequency offse... [more] IT2019-46 SIP2019-59 RCS2019-276
pp.63-68
IT, SIP, RCS 2020-01-24
09:55
Hiroshima Hiroshima City Youth Center A Study on Construction Method of Orthogonal Variable-Length Spreading Sequences over Finite Fields
Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic University) IT2019-66 SIP2019-79 RCS2019-296
Orthogonal spreading codes have been applied to multiple access for communication systems.
Tree structured orthogonal ... [more]
IT2019-66 SIP2019-79 RCS2019-296
pp.173-178
WBS
(2nd)
2019-12-17
- 2019-12-18
Aichi Hotel Kinsenkaku Study on Spreading Codes with Negative Auto-Correlation for SIK Optical CDMA Communications
Akio Tsuneda (Kumamoto Univ.)
The SIK (sequence inversion keyed) CDMA (code division multiple access) system was proposed as one of optical CDMA commu... [more]
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
 Results 1 - 20 of 147  /  [Next]  
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