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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 328  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ISEC, IT, WBS 2024-03-13
- 2024-03-14
Osaka Osaka Univ. (Suita Campus) Neural Network-based Compensation of Wideband Nonlinear Distortion for MIMO Transmission with Virtualized Terminal
Taishi Watanabe, Takeo Ohseki, Issei Kanno (KDDI Research) IT2023-84 ISEC2023-83 WBS2023-72 RCC2023-66
(To be available after the conference date) [more] IT2023-84 ISEC2023-83 WBS2023-72 RCC2023-66
pp.60-65
EMT, PN, MWPTHz, IEE-EMT [detail] 2024-01-23
12:50
Kyoto Kyoto Univ. Yoshida Campus Multiple-Parallel Interference Optical Modulators Based on Multi-Branched MMI Optical Couplers
Shotaro Yasumori, Keita Morimoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Shinya Nakajima, Kouichi Akahane (NICT) PN2023-61 EMT2023-101 MWPTHz2023-89
Multiple-parallel interference optical modulators, where multiple phase-modulated lightwaves are directly interfered wit... [more] PN2023-61 EMT2023-101 MWPTHz2023-89
pp.74-77
UWT
(2nd)
2023-11-27
16:50
Shiga Ritsumeikan University Biwako-Kusatsu Campus (BKC) Highly efficient underwater acoustic OFDM transmission system using blind delayed wave suppression -- Verification by simulation and construction of experimental system --
Ikeda Haruya, Sumita Soma (Tokyo Univ. of Science), Hisano Daisuke, Sakai Masahiro (Osaka Univ.), Maruta Kazuki (Tokyo Univ. of Science)
For Beyond 5G/6G, research on non-terrestrial wireless communications (e.g., in space, underwater, etc.) is being conduc... [more]
AP, RCS
(Joint)
2023-11-17
11:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Underwater acoustic OFDM transmission system with blind delay wave suppression
Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-171
For Beyond 5G/6G, research on wireless communications outside of land (e.g., in space, underwater, etc.) is underway. Am... [more] RCS2023-171
pp.95-100
VLD, DC, RECONF, ICD, IPSJ-SLDM [detail] 2023-11-17
10:00
Kumamoto Civic Auditorium Sears Home Yume Hall
(Primary: On-site, Secondary: Online)
CiM-based Low-bit Neural Network Accelerator Design Method with automatic I/O range optimization
Ayumu Yamada, Naoko Misawa, Chihiro Matsui, Ken Takeuchi (Univ. of Tokyo) VLD2023-68 ICD2023-76 DC2023-75 RECONF2023-71
A neural network training algorithm, LIORAT, is proposed to improve the efficiency of neural network accelerators with R... [more] VLD2023-68 ICD2023-76 DC2023-75 RECONF2023-71
pp.198-199
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
09:40
Yamagata Yamagata University
(Primary: On-site, Secondary: Online)
Evaluation of DPD Compensation and Modulation Bandwidth Dependence of GaN Doherty Amplifier Using 5G NR TDD Signals
Ayano Yano, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-58 MW2023-112 EST2023-85
We are researching broadband GaN amplifiers for base stations covering 4G/5G frequencies. We built a measurement system ... [more] EMCJ2023-58 MW2023-112 EST2023-85
pp.119-124
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
10:00
Yamagata Yamagata University
(Primary: On-site, Secondary: Online)
Study on Efficiency Improvement of Dual-Input GaN Amplifier as Outphasing Amplifier
Shinro Yatsuda, Rikito Matsuo, Takana Kaho (Shonan Inst.Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-59 MW2023-113 EST2023-86
We are developing a base station amplifier that covers a wide frequency range of 4G/5G by switching the Doherty and outp... [more] EMCJ2023-59 MW2023-113 EST2023-86
pp.125-130
MIKA
(3rd)
2023-10-11
14:30
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Indoor Water Tank Transmission Experiment for Highly Efficient Underwater Acoustic OFDM Transmission
Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science)
Beyond 5G/6G aims to cover beyond terrestrial communications, e.g., space, underwater, etc. Underwater acoustic communic... [more]
NLP, CAS 2023-10-06
15:10
Gifu Work plaza Gifu A PWM/digital Converter for Improved Conversion Resolution using Frequency Multiplicator
Zhang He, Andrino Robles Roberto, Tomochika Harada (Yamagata Univ.) CAS2023-43 NLP2023-42
For IoT (Internet of Things) devices, a reduction in power consumption is desired. To reduce power consumption, researc... [more] CAS2023-43 NLP2023-42
pp.58-61
RCS, SAT
(Joint)
2023-08-31
09:50
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
Improving Performance of LDM Transmission against Non-linear Distortion in Satellite Broadcasting System -- Decoding Method of LL Signal with Pilot Signals --
Yuki Koizumi, Masaaki Kojima, Masashi Kamei (NHK) SAT2023-35
We are developing a satellite broadcasting system with layered division multiplexing (LDM) scheme that multiplexes multi... [more] SAT2023-35
pp.13-18
AP, SANE, SAT
(Joint)
2023-07-13
11:40
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
Development of Extreme Coverage Communication System Extended by Non-Terrestrial Network (NTN) -- Evaluation of 2GHz-Band Interference Avoidance and Rain Attenuation Compensation Technology Actualizing HAPS Communication System --
Yuto Muroki, Yuki Hokazono, Hinata Kohara, Kenji Fukasawa (NTT DOCOMO), Hisayoshi Kano, Munehiro Matsui, Junichi Abe, Fumihiro Yamashita (NTT) SAT2023-19
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] SAT2023-19
pp.53-58
RCS 2023-06-15
10:00
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
A Study on Joint Peak Cancellation and In-band Distortion Compensation for Precoded Massive MIMO-OFDM with Uniform Planar Array, Part-II
Mirena Omoto, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-50
The authors have proposed an in-band distortion compensation (IDC) scheme for peak cancellation (PC) based peak-to-avera... [more] RCS2023-50
pp.129-134
PN, NS, OCS
(Joint)
2023-06-09
14:15
Kagawa
(Primary: On-site, Secondary: Online)
A Nonlinear Compensation Scheme Based on Inverse Scattering Transform in Normal-Dispersion Optical Fiber Transmission System
Nanto Hirao, Kohei Hashimoto, Ryuya Hiraga, Akihiro Maruta (Osaka Univ.) PN2023-14
In optical fiber transmission, in addition to wavelength dispersion, signal distortion due to the effect of fiber nonlin... [more] PN2023-14
pp.58-64
EE, IEE-HCA 2023-05-26
11:00
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Development of a High-Efficiency Wireless Power Transfer System for Taiwan's First Autonomous Electric Boat Charging
Ching-Ming Lai (NCHU), Tomokazu Mishima (Kobe Univ.) EE2023-2
This study presents the system architecture and demonstration of a high-efficiency wireless power transfer (WPT) system ... [more] EE2023-2
pp.7-11
RCS, SR, SRW
(Joint)
2023-03-01
16:05
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Neural Network Based Wideband Digtial Post-distortion for Virtualized Terminal
Taishi Watanabe, Takeo Ohseki, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-262
A virtualised terminal consisting of a normal user terminal and multiple RF relay devices that perform frequency
conver... [more]
RCS2022-262
pp.88-93
EE 2023-01-20
12:50
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
Dynamic Characteristics of Digital Current Mode POL Power Supply
Ayumu Matsushita, Kazuhiro Kajiwara, Fujio Kurokawa (NiAS) EE2022-47
This paper presents the dynamic characteristics of a digital voltage mode control and a digital current mode control POL... [more] EE2022-47
pp.117-122
SRW 2023-01-16
13:55
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] Ultrasonic echolocation of bats
Shizuko Hiryu (Doshisha Univ.) SRW2022-40
Bats use echolocation to perceive their surroundings by emitting ultrasounds from their nostrils or mouths and listening... [more] SRW2022-40
p.23
RCS, NS
(Joint)
2022-12-15
15:45
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
A Study on Precoding Criterion for In-band Distortion Compensation in Massive MIMO-OFDM with Peak Cancellation
Tomofumi Makita, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2022-195
Recently, an enhanced peak cancellation (PC) scheme with an in-band distortion compensation (IDC) for peak– to-average p... [more] RCS2022-195
pp.51-56
MW 2022-11-15
17:15
Nagasaki Fukue-Bunka-Kaikan
(Primary: On-site, Secondary: Online)
Improvement of Transmission Linearity by Post-Reception Nonlinear Compensator
Yasushi Yamao (UEC) MW2022-120
High-accuracy wideband signal transmission is essential for 5G and 6G wireless communication systems. Nonlinearity is a ... [more] MW2022-120
pp.61-66
ITE-BCT, OCS, IEE-CMN, OFT 2022-11-11
13:25
Miyagi Forest-Sendai
(Primary: On-site, Secondary: Online)
Optical nonlinearity compensation using nonlinear equalizer based on complex-valued reservoir computing
Kai Ikuta, Jinya Nakamura, Yuta Ito, Moriya Nakamura (Meiji Univ.) OCS2022-45
We investigated a nonlinear equalizer based on complex-valued reservoir computing (CVRC) and compared the performance wi... [more] OCS2022-45
pp.30-35
 Results 1 - 20 of 328  /  [Next]  
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