IEICE Technical Committee Submission System
Conference Schedule
Online Proceedings
[Sign in]
... (for ESS/CS/ES/ISS)
Tech. Rep. Archives
... (for ES/CS)
    [Japanese] / [English] 
( Committee/Place/Topics  ) --Press->
 
( Paper Keywords:  /  Column:Title Auth. Affi. Abst. Keyword ) --Press->

All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 95件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW
(2nd)
2020-05-13
- 2020-05-15
Overseas CU, Bangkok, Thailand Design of a 135GHz Marchand Balun in 40nm CMOS Technology
Hajime Sakai, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science)
(To be available after the conference date) [more]
MW
(2nd)
2020-05-13
- 2020-05-15
Overseas CU, Bangkok, Thailand A 135GHz Frequency Tripler in 40 nm CMOS Technology
Koki Sekine, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science)
(To be available after the conference date) [more]
MW
(2nd)
2020-05-13
- 2020-05-15
Overseas CU, Bangkok, Thailand Design of 45GHz Frequency Trippler in 40nm CMOS Technology
Kenta Sahara, Kyoya Takano, Yohtaro Umeda (Tokyo Univ. of Science)
(To be available after the conference date) [more]
ICD, CPSY, CAS 2018-12-21
13:30
Okinawa   Power-amplifier-inserted Transversal Filter that Recovers Quantization Noise Power by CMOS Rectifier
Yuto Tanaka, Yohtaro Umeda, Kyoya Takano (Tokyo University of Science) CAS2018-78 ICD2018-62 CPSY2018-44
In this paper, we aim to improve power efficiency by using a CMOS rectifier for power-amplifier-inserted transversal fil... [more] CAS2018-78 ICD2018-62 CPSY2018-44
pp.1-5
WBS, ITS, RCC 2018-12-06
10:00
Okinawa Miyako Island Hirara Port Terminal Bldg. [Poster Presentation] A Study on Underwater Visible Light Simultaneous Wireless Information and Power Transfer System using Inverse Pulse Position Modulation
Ryota Kimoto (TUS), Yusuke Kozawa (Ibaraki Univ.), Yohtaro Umeda (TUS), Hiromasa Habuchi (Ibaraki Univ.) WBS2018-32 ITS2018-15 RCC2018-63
In this paper, for constructing flexible underwater wireless network, we discussed visible light simultaneous wireless i... [more] WBS2018-32 ITS2018-15 RCC2018-63
pp.29-34
ICD, CPSY, CAS 2017-12-14
11:00
Okinawa Art Hotel Ishigakijima A Study on Wireless Transmitter with Up-converted Root-Cosine Roll-off Waveform
Iroi Yamamoto, Yohtaro Umeda (Tokyo Univ. of Science) CAS2017-67 ICD2017-55 CPSY2017-64
In this paper, we reconfigure the conventional analog signal processing transmitter and propose an all-digital transmitt... [more] CAS2017-67 ICD2017-55 CPSY2017-64
pp.21-26
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
MW, EMCJ, EST, IEE-EMC [detail] 2017-10-20
10:45
Akita Yupopo A Simple Design of 2.45GHz Class-F Time-Reversal Rectifier Using Linear Theory
Fuminori Myojin, Yohtaro Umeda (TUS) EMCJ2017-46 MW2017-98 EST2017-61
In this paper, a theoretical design of class-F time-reversal rectifier is proposed. By considering phase and amplitude o... [more] EMCJ2017-46 MW2017-98 EST2017-61
pp.111-116
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
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
MW, ICD 2017-03-03
09:25
Okayama Okayama Prefectural Univ. Quadrature-modulation Envelope-pulse-width-modulation Transmission System Using Quadrature Polarized Waves
Ryo Sakai, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2016-204 ICD2016-134
This paper presents quantitative evaluation of power efficiency decrese by not satisfying the zero current switching (ZC... [more] MW2016-204 ICD2016-134
pp.89-94
MW, ICD 2017-03-03
10:50
Okayama Okayama Prefectural Univ. Speeding up using Parallel-Serial conversion in FPGA implementation of quadrature modulation Envelope Pulse Width Modulation Transmitter
Kouhei Nagasawa, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2016-207 ICD2016-137
This paper presents a new configuration using a serializer on quadrature-modulation (QM) envelope-pulse-width-modulation... [more] MW2016-207 ICD2016-137
pp.107-112
ICD, CPSY 2016-12-15
15:30
Tokyo Tokyo Institute of Technology [Poster Presentation] A Study of High-Speed RGB-LED Driver using Carrier Sweeping out for Visible Light Communications
Zicheng Kang, Yusuke Matsuda, Yusuke Kozawa, Yohtaro Umeda (TUS) ICD2016-84 CPSY2016-90
Recently, light emitting diodes (LED) are commonly used as a lighting devices.
LEDs have lots of advantages, such as hi... [more]
ICD2016-84 CPSY2016-90
pp.95-100
WBS, RCC, ITS 2016-12-01
15:30
Kagawa Sunport Hall Takamatsu [Poster Presentation] A Study on Hybrid PWM/PAM Dimming Control for Digital Color Shift Keying Using RGB-LED Array
Jumpei Okumura, Yusuke Kozawa, Yohtaro Umeda (TUS) WBS2016-66 ITS2016-33 RCC2016-55
In this paper, we consider a hybrid pulse width modulation / pulse amplitude modulation (PWM/PAM) system for digital col... [more] WBS2016-66 ITS2016-33 RCC2016-55
pp.107-112
WBS 2016-10-06
13:00
Kanagawa National Defense Academy [Poster Presentation] A study of illumination performance of digital color shift keying using gaussian LED spectrum model
Shunsuke Igata, Yusuke Kozawa, Yohtaro Umeda (TUS) WBS2016-38
 [more] WBS2016-38
pp.35-40
WBS 2016-10-06
13:00
Kanagawa National Defense Academy [Poster Presentation] A Study of Color Deviation Mitigation Method for Digital Color Shift Keying using RGB-LED Array
Yusuke Matsuda, Yusuke Kozawa, Yohtaro Umeda (TUS) WBS2016-39
Digital color shift keying (DCSK) is a visible light communication (VLC) intensity modulation method, which can fulfill ... [more] WBS2016-39
pp.41-46
SAT, WBS
(Joint)
2016-05-19
14:10
Aichi Nagoya Institute of Technology Performance evaluation of Digital CSK/CDM systems using Hadamard code with on-off signaling
Fuminori Sato, Yusuke kozawa, Yohtaro Umeda (Tokyo Univ. of Science) WBS2016-4
In this paper, a digital CSK with CDM (DCSK/CDM) using Hadamard Code with on-off signaling is proposed to avoid the LED ... [more] WBS2016-4
pp.17-22
 95件中 1~20件目  /  [Next]  
Choose a download format for default settings. [NEW !!]
Text format pLaTeX format CSV format BibTeX format
Copyright and reproduction : 以上の論文すべての著作権はIEICEに帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)


[Return to Top Page]

[Return to IEICE Web Page]


The Institute of Electronics, Information and Communication Engineers (IEICE), Japan