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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WBS, ITS, RCC | 2018-12-07 15:40 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | A Study on Optical Wireless Punctured Turbo Code System using Hybrid PPM-OOK Signaling Ran Sun, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.)  WBS2018-72 ITS2018-55 RCC2018-103 |
As typical binary modulation schemes of turbo code, pulse position modulation (PPM) and on-off keying (OOK) are well kno... [more] | WBS2018-72 ITS2018-55 RCC2018-103 pp.249-253 |
| WBS, MICT | 2018-07-06 09:45 |
Kanagawa | Yokohama Mitsui Building | [Poster Presentation]
Applicability of Extended Einarsson Codes to Optical-Wireless CSK System Tomofumi Haruna, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2018-8 MICT2018-28 |
The conventional optical pseudo noise (PN) codes such as the modified prime sequence code (MPSC) and the generalized MPS... [more] | WBS2018-8 MICT2018-28 pp.17-22 |
| WBS, MICT | 2018-07-06 09:45 |
Kanagawa | Yokohama Mitsui Building | [Poster Presentation]
Evaluation of Positioning Accuracy on Optical Wireless VN-CSK System Hikari Iizuka, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2018-9 MICT2018-29 |
Indoor Visible Light Communications, which have a dimming control function, a communication function without the interfe... [more] | WBS2018-9 MICT2018-29 pp.23-27 |
| WBS, MICT | 2018-07-06 13:30 |
Kanagawa | Yokohama Mitsui Building | An Error Detection Method by Synchronization Symbol on Optical Wireless Framed-DOOK System Yuta Asano, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2018-16 MICT2018-36 |
[more] | WBS2018-16 MICT2018-36 pp.59-63 |
| WBS, MICT | 2018-07-06 13:55 |
Kanagawa | Yokohama Mitsui Building | BER Considering Synchronization Performance Optical Wireless CSK System Using DMPOMs Takashi Tokunaga, Ran Sun, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2018-17 MICT2018-37 |
The code-shift-keying (CSK) system using dual modified pseudo orthogonal M-sequence sets (DMPOMs) which are generated by... [more] | WBS2018-17 MICT2018-37 pp.65-70 |
| WBS, IT, ISEC | 2018-03-09 15:45 |
Tokyo | Katsusika Campas, Tokyo University of Science | Evaluation of synchronization jitter caused by the distance from base-station on optical wireless RVC system using CSK-MPPM Masayuki Ishikawa, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) IT2017-150 ISEC2017-138 WBS2017-131 |
The author already proposed the hierarchical CSK-MPPM system for road-to-vehicle communication in optical wireless commu... [more] | IT2017-150 ISEC2017-138 WBS2017-131 pp.281-286 |
| WBS, IT, ISEC | 2018-03-09 16:10 |
Tokyo | Katsusika Campas, Tokyo University of Science | A study of Bit Error Rate Taking into Account Synchronization Performance on Optical Wireless Framed-DOOK System Yuta Asano, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) IT2017-151 ISEC2017-139 WBS2017-132 |
As high transmission rate binary modulation schemes, the framed-DOOK with 2-bit synchronization signal, which can solve ... [more] | IT2017-151 ISEC2017-139 WBS2017-132 pp.287-292 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-19 09:40 |
Akita | Yupopo | Comparison of Power Combining Methods in Power-amplifier-inserted Transversal Filter for EPWM Transmitters Yuto Tanaka, Yohtaro Umeda (TUS), Yusuke Kozawa (Ibaraki Univ.) EMCJ2017-32 MW2017-84 EST2017-47 |
This paper compares power-amplifier-inserted transversal filter (PAITF) with 180º hybrids and T-junctions for envelope p... [more] | EMCJ2017-32 MW2017-84 EST2017-47 pp.11-15 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 10:25 |
Akita | Yupopo | A Quadrature-modulation EPWM Transmitter That Uses Co-phase Sine Wave Carriers for I/Q Channel and a 90° Hybrid as a Signal Combiner Tomoaki Morita, Ryo Sakai, Yohtaro Umeda (Tokyo Univ. of Science), Yusuke Kozawa (Ibaraki Univ.) EMCJ2017-45 MW2017-97 EST2017-60 |
Quadrature-modulation (QM) envelope-pulse-width modulation (EPWM) transmitter with a 180° hybrid as a power combiner has... [more] | EMCJ2017-45 MW2017-97 EST2017-60 pp.105-110 |
| WBS | 2017-10-12 15:00 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | [Poster Presentation]
Performance Evaluation of Optical Code-Shift Keying /SCDMA Using Two Layered MPOMs Takashi Tokunaga, Hiromasa Habuchi, Yusuke Kozawa, Ran Sun (Ibaraki Univ.) WBS2017-25 |
The code-shift-keying (CSK) using the two-layered MPOMs which combine modified pseudo orthogonal M-sequence sets (MPOMs)... [more] | WBS2017-25 pp.11-16 |
| WBS | 2017-10-12 15:00 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | [Poster Presentation]
Experimental Evaluation of PWM/DPAM Hybrid Dimming Control Method for DCSK Yusuke Matsuda (TUS), Yusuke Kozawa (Ibaraki Univ.), Yohtaro Umeda (TUS) WBS2017-27 |
Digital color shift keying (DCSK) is a visible light communication (VLC) intensity modulation method, which can fulfill ... [more] | WBS2017-27 pp.21-26 |
| WBS | 2017-10-13 08:45 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | A study of ASK-PPM Optical Wireless Turbo-coded System Ran Sun, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-28 |
In optical wireless communication, because of the attenuation of light and the shadowing of the channel, partial erasure... [more] | WBS2017-28 pp.27-31 |
| WBS | 2017-10-13 09:10 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | Location dependency of BER on VN-CSK illumination light communication Keisuke Osawa, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-29 |
Illumination light communications which use LED lights for not only the lighting but also data transmission are received... [more] | WBS2017-29 pp.33-38 |
| WBS | 2017-10-13 09:35 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | On Suitable Pseudo-Noise Code for Optical-Wireless CSK-MPPM System Masayuki Ishikawa, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-30 |
The author proposed a hierarchical modulation for road to vehicle communication. The CSK-MPPM system which combines code... [more] | WBS2017-30 pp.39-44 |
| SDM, ICD, ITE-IST [detail] | 2017-08-02 13:45 |
Hokkaido | Hokkaido-Univ. Multimedia Education Bldg. | Multi-carrier Transmission Characteristics of All-Digital Low-IF Transmitter Using Weber-Type Image Suppression Method Takumi Kamo, Yohtaro Umeda (Tokyo Univ. of Science), Yusuke Kozawa (Ibaraki Univ.) SDM2017-47 ICD2017-35 |
In this paper, multicarrier transmission is performed by using a bandpass type (BP) ΔΣ modulator in an orthogonal modula... [more] | SDM2017-47 ICD2017-35 pp.117-122 |
| SDM, ICD, ITE-IST [detail] | 2017-08-02 14:10 |
Hokkaido | Hokkaido-Univ. Multimedia Education Bldg. | A Quadrature-modulation EPWM Transmitter with Parallel-Output MASH Delta-Sigma Modulator Takumi Yamamoto, Yohtaro Umeda (Tokyo Univ. of Science), Yusuke Kozawa (Ibaraki Univ.) SDM2017-48 ICD2017-36 |
In this paper, Multi StAge Noise Shaping (MASH) architecture is employed to realize high noise reduction capability by n... [more] | SDM2017-48 ICD2017-36 pp.123-128 |
| WBS, MICT | 2017-07-13 13:45 |
Shizuoka | ACT CITY | [Poster Presentation]
A Fundamental Study on DC/AC Separation Filter Design for Underwater Visible Light Communication System with Simultaneous Power Transfer Ryota Kimoto (TUS), Yusuke Kozawa (Ibaraki Univ.), Yohtaro Umeda (TUS), Hiromasa Habuchi (Ibaraki Univ.) WBS2017-10 MICT2017-12 |
In this study, for constructing flexible underwater wireless sensor network, we discussed underwater visible light commu... [more] | WBS2017-10 MICT2017-12 pp.13-18 |
| WBS, MICT | 2017-07-13 13:45 |
Shizuoka | ACT CITY | [Poster Presentation]
Influence of ambient light on VN-CSK illumination light communication Keisuke Osawa, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-13 MICT2017-15 |
The illumination light communications utilizing LED light that use illumination light for data transmission are received... [more] | WBS2017-13 MICT2017-15 pp.29-34 |
| WBS, MICT | 2017-07-13 13:45 |
Shizuoka | ACT CITY | [Poster Presentation]
Effect of Framed-DOOK using Block Error Correcting Code in Optical Wireless Channel Ran Sun, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-14 MICT2017-16 |
For reducing the influence of background noise and inhibiting synchronization slip in optical wireless communication, fr... [more] | WBS2017-14 MICT2017-16 pp.35-38 |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | [Poster Presentation]
Elimination of low sensitivity area of a planar waveguide sheet by using slits and switching diversity Yusuke Ozawa, Kuanhua Chen, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Machiko Oouchida, Masatomo Tokieda (Teijin) |
Recently, an RFID smart-shelf system has received a great attention. This system is capable of tracking and identifying ... [more] | |
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