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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2024-03-14 10:45 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
A Proposal of Millimeter-wave Digital Beam Forming Antenna for Transmit Using Optical Fiber Link with Band-Pass Delta Sigma Modulation Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.)  SR2023-98 |
In order to reduce the size and cost of millimeter-wave distributed antenna systems for 5G terrestrial networks and sat-... [more] | SR2023-98 pp.52-56 |
| MW | 2024-02-29 10:55 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A Study of Digital Modulation Computation Bit Count and 1- bit BP Delta Delta-Sigma Modulation OSR for 40 -GHz Band Direct Digital RF ModulatoModulator Kouki Nakamura, Satoshi Tsukamoto, Junhao Zhang, Yuki Fujiya, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) MW2023-176 |
For future Low Earth Orbit (LEO) constellation satellite communication system, a development millimeter-wave digital bea... [more] | MW2023-176 pp.9-14 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 09:00 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Design of Required Bit Count and 1 1-bit BP Delta Delta-Sigma Modulation OSR for 40 -GHz Band DBF Direct Digital RF Transmitter Kouki Nakamura, Satoshi Tsukamoto, Junhao Zhang, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) EMCJ2023-56 MW2023-110 EST2023-83 |
For future Low Earth Orbit (LEO) constellation satellite communication system, a development millimeter-wave digital bea... [more] | EMCJ2023-56 MW2023-110 EST2023-83 pp.107-112 |
| MW | 2022-11-16 11:25 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
SNR improvement of Digital RF Signal Generator using Delta-Sigma Modulator with Parallelized Quantizers Hiroyuki Mizutani, Michiya Hayama, Tatsuya Hagiwara, Hideyuki Nakamizo (Mitsubishi Electric Corp.) MW2022-125 |
With the recent increase in the speed of FPGAs, the application of a digital RF signal generator to a transmitter is bei... [more] | MW2022-125 pp.85-89 |
| ED, IEE-BMS, IEE-MSS | 2022-08-18 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. B3-2 (Primary: On-site, Secondary: Online) |
Frequency Delta-Sigma Modulation Position Sensors using a Cavity Resonator and Their Possible Applications Koichi Maezawa, Masayuki Mori (Univ. Toyama) ED2022-18 |
A frequency delta-sigma modulation is an interesting variant of the delta-sigma modulation based on a voltage-controlled... [more] | ED2022-18 pp.5-8 |
| EE | 2021-01-25 14:20 |
Online | Online (Zoom) | A Reducing Capacitance Technique for DC-DC Converter in Automotive Application Daisuke Nakashima, Kenta Terada, Yoichi Ishizuka (Nagasaki Univ.) EE2020-33 |
In this paper, a reducing output capacitance control technique achieves to reduce the value of output capacitance with s... [more] | EE2020-33 pp.53-58 |
| MW | 2020-12-10 16:00 |
Kanagawa | (Primary: On-site, Secondary: Online) |
Experimental evaluation of signal-to-quantization noise power ratio of transversal filter with power amplifier for EPWM transmitter Ryuta Sato, Natuki Utigiri, Taishi Sawayama, Yusuke Koike, Yotaro Umeda, Kyoya Takano (TUS) MW2020-77 |
In recent years, envelope pulse width modulation has been devised for transmitters in wireless communications to meet ma... [more] | MW2020-77 pp.36-41 |
| SAT, RCS (Joint) |
2020-08-21 10:55 |
Online | Online | [Encouragement Talk]
A Fundamental Study Toward the Software Defined Satellite Shigenori Tani, Yasutaka Yamashita, Michiya Hayama, Masatake Hangai, Hiroshi Aruga (Mitsubishi Electric) SAT2020-20 |
The software defined satellite (SDS) improves frequency utilization to control resources such as time, frequency, and sp... [more] | SAT2020-20 pp.53-57 |
| US | 2020-02-28 15:55 |
Tokyo | Auralization based on local sound field synthesis with multi-channel 1-bit signals Kakeru Kurokawa, Izumi Tsunokuni, Yusuke Ikeda, Naotoshi Osaka (Tokyo Denki Univ.), Yasuhiro Oikawa (Waseda Univ.) US2019-109 |
Auralization requires auditory display techniques, which can physically synthesis the desired sound field. To improve sy... [more] | US2019-109 pp.57-62 |
|
| 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 |
|
| EA | 2018-10-11 15:20 |
Fukushima | Iwaki business Innovation Center (Iwaki) | Generation of Wavefront by High Density Electro-dynamic Multiplication Output Loudspeaker Array Using Multiple Inputs Delta-sigma Modulator Takeru Sonobe, Shigeto Takeoka (SIST) EA2018-56 |
It is known that in order to exactly reproduce the three-dimensional sound field, it is necessary to set a speaker for e... [more] | EA2018-56 pp.13-19 |
| AP, MW (Joint) |
2018-09-21 09:30 |
Tokyo | Tokyo Tech | A 26GHz-band Image Enhancement Type 1-Bit DAC for Direct Digital RF Modulator Junhao Zhang, Masafumi Kazuno, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2018-62 |
We have proposed 1-bit bandpass ΔΣ modulator using high order image component as a configuration of direct digital RF mo... [more] | MW2018-62 pp.17-21 |
| ED | 2018-08-08 17:20 |
Overseas | Kikai-Shinko-Kaikan Bldg. | A 10GS/s measurement system using an FPGA for frequency delta-sigma modulation sensors Koichi Maezawa, Takahiro Yamaoka, Masayuki Mori (Univ. Toyama) ED2018-25 |
The frequency delta sigma modulation (FDSM) technique is one of the most promising technique for high performance digita... [more] | ED2018-25 pp.31-34 |
| ED, THz | 2017-12-18 15:15 |
Miyagi | RIEC, Tohoku Univ | [Invited Talk]
Improved stability of resonant tunneling diode oscillators and their application to sensors Koichi Maezawa (Univ. Toyama) ED2017-76 |
RTD oscillators are one of the most promising candidates for THz signal sources. However, RTD oscillators have stability... [more] | ED2017-76 pp.15-18 |
| 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 |
| AP, MW (Joint) |
2017-09-22 11:10 |
Saitama | Saitama University | A Study on the SNR in Higher Nyquist Zone of 1-Bit Band-Pass Delta-Sigma Modulator using Manchester Coding Masafumi Kazuno, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2017-73 |
A 1-bit $delta$$sigma$ modulator using the first Nyquist zone has been reported as a method of directly generating an RF... [more] | MW2017-73 pp.29-34 |
| 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 |
| EA | 2016-07-08 13:40 |
Shizuoka | Yamaha, Toyooka Factory | A Method of Driving Multi-channel System by Using Multiplication Outputs with Random Signals Shigeto Takeoka (SIST) EA2016-16 |
In this paper, we will discuss about a multichannel drive method which plays an arbitrary number of individual signals, ... [more] | EA2016-16 pp.45-49 |
| EA, SP, SIP | 2016-03-28 13:15 |
Oita | Beppu International Convention Center B-ConPlaza | [Poster Presentation]
High Output Power Speaker with Digitally Direct Driven Technique
-- 100W at 9V Low Consumption Speaker System -- Masayoshi Takahashi, Atsuki Tonomura, Satoshi Saikatsu, Akira Yasuda, Michitake Yoshino (Hosei Univ.) EA2015-73 SIP2015-122 SP2015-101 |
In this paper, we report a small speaker system that can output 110W and more from 9V- input without using any analog ci... [more] | EA2015-73 SIP2015-122 SP2015-101 pp.39-43 |
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