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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 44  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
ED, IEE-BMS, IEE-MSS 2022-08-18
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. Frequency Delta-Sigma Modulation Position Sensors using a Cavity Resonator and Their Possible Applications
Koichi Maezawa, Masayuki Mori (Univ. Toyama)
(To be available after the conference date) [more]
SR 2022-05-12
10:30
Tokyo NICT Koganei
(Primary: On-site, Secondary: Online)
Parallelization and Time Division Multiplexing for 1-bit Bandpass Delta-Sigma Modulator
Takashi Maehata (SEI), Noriharu Suematsu (Tohoku University) SR2022-5
The 1-bit bandpass delta-sigma modulator (1-bit BP-DSM) outputs RF signals directly from the digital part without using ... [more] SR2022-5
pp.19-26
RCS, SR, SRW
(Joint)
2022-03-04
16:00
Online Online OFDM Wireless Receivers based on Time-to-Digital Conversion
Yang Yang, Fukawa Kazuhiko, Chang Yuyuan (Tokyo Inst. of Tech.) RCS2021-292
To aim at low-cost OFDM wireless receivers with low-power, the report investigates a new analog-to-digital converter (AD... [more] RCS2021-292
pp.201-206
SR 2021-11-04
09:55
Online Online Wideband Single-bit Bandpass Delta Sigma Modulator
Takashi Maehata (SEI), Noriharu Suematsu (Tohoku University) SR2021-42
In 5G and next-generation mobile communication systems, to achieve high-speed communication, massive multiple-input and ... [more] SR2021-42
pp.9-16
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
PEM
(Workshop)
2019-11-18
- 2019-11-19
Mie Sinfonia Technology Hibiki Hall Ise (Ise Tourism and Culture Hall) [Poster Presentation] Analysis of Polarization-Reversed Electro-Optic Modulator with Arbitrary Transfer Function and its Application to Pre-Equalization of Signal Distortion by Fiber Dispersion
Takaba Kenta, Murata Hiroshi (Mie Univ)
We have proposed a pre-equalizing electro-optic (EO) modulator utilizing the velocity mismatching between lightwave and ... [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
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, 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
EA, ASJ-H 2017-12-01
16:40
Overseas University of Auckland (New Zealand) Matrix Driving Method for Multichannel Loudspeaker using Multiplication-output and Delta-sigma Modulator with Multiple inputs
Shigeto Takeoka (Shizuoka Inst. of Science and Tech.) EA2017-83
A sound wave is a physical phenomenon in which three-dimensional vibrations are propagated, in principle. It is known th... [more] EA2017-83
pp.133-138
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
NLP 2017-05-11
11:25
Okayama Okayama University of Science Delta Sigma Domain LDPC Decoder Based on Min-Sum Algorithm
Akiyoshi Yasuda, Hisato Fujisaka, Masaru Fukushima, Takeshi Kamio (Hiroshima City Univ.) NLP2017-5
Combination of interleaving and random error correction code is effective as a measure against burst error when power li... [more] NLP2017-5
pp.23-27
SR 2016-10-28
16:10
Osaka Osaka Univ. Nakanoshima Center [Invited Talk] Research and Development of Digital Radio Frequency Technology
Takashi Maehata (SEI), Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Uni.) SR2016-77
We propose the digital RF front end to consist of 1-bit digital RF transmitter and direct RF undersampling receiver. Thi... [more] SR2016-77
pp.127-134
ICD, SDM, ITE-IST [detail] 2016-08-01
10:25
Osaka Central Electric Club A Low-Power Mixed-Domain Delta-Sigma Time-to-Digital Converter Using Charge-Pump and SAR ADC
Anugerah Firdauzi, Zule Xu, Masaya Miyahara, Akira Matsuzawa (Tokyo Tech.) SDM2016-50 ICD2016-18
This paper presents a time-to-digital converter (TDC) using delta-sigma architecture which utilizes a charge pump as the... [more] SDM2016-50 ICD2016-18
pp.9-14
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
RCC 2016-01-29
15:30
Osaka Kansai University Umekita Laboratory Rate-distortion analysis on Delta-Sigma Modulators
Teruyuki Shiraki, Shuichi Ohno (Hiroshima Univ.) RCC2015-93
This paper analyzes rate-distortion of Delta-Sigma modulator. First, we derive the magnitude response of the error-feedb... [more] RCC2015-93
pp.37-40
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