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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, SANE (Joint) |
2024-02-09 11:20 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
[Short Paper]
Time-varying investigation of Iridium satellite positioning of a balloon during stratospheric flight over Antarctica Rikito Matsuo, Takana Kaho (Shonan Inst. Tech.), Yoshitaka Saito, Masahiro Yamatani (JAXA), Yoshihiro Tomikawa (NIPR)  SAT2023-72 |
We are conducting an experiment to acquire data from sensors mounted on an atmospheric balloon flying in the stratospher... [more] | SAT2023-72 pp.69-71 |
| SAT, SANE (Joint) |
2024-02-09 11:35 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
[Short Paper]
Evaluation of Beam Steering Angle of 64-Element Staircase Array Antenna Using Patch Antenna with Parasitic Elements Ayano Yano, Hideya So, Takana Kaho (Shonan Inst. Tech.) SAT2023-73 |
Massive MIMO using multiple antenna elements is being considered to increase the speed and capacity of wireless communic... [more] | SAT2023-73 pp.72-74 |
| SAT, SANE (Joint) |
2024-02-09 15:35 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
Study on estimating balloon position in the stratosphere using time variation of Iridium satellite positioning information Takana Kaho (Shonan Inst. Tech.), Yoshitaka Saito, Masahiro Yamatani (JAXA), Yoshihiro Tomikawa (NIPR) SAT2023-78 |
We are conducting an experiment to acquire sensor data mounted on a high-altitude balloon flying in the stratosphere usi... [more] | SAT2023-78 pp.93-98 |
| ED, MW | 2024-01-26 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Research on Phased Array Antenna Device for Beyond 5G Takana Kaho, Hideya So, Koji Matsunaga (Shonan Inst. Tech.) ED2023-80 MW2023-172 |
Beyond 5G mobile communication systems are expected to use higher frequencies, and base station equipment is required to... [more] | ED2023-80 MW2023-172 pp.75-80 |
| 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 |
| EA | 2023-05-25 14:25 |
Online | Online | Improved SPICE Modeling of Vacuum Tubes for Low Plate Voltage Mitsuharu Arimura (Shonan Inst. Tech.) EA2023-2 |
We have measured the characteristics of vacuum tubes for plate voltages as low as 20-30V and fitted to a mathematical mo... [more] | EA2023-2 pp.9-14 |
| RCC, ISEC, IT, WBS | 2023-03-14 14:15 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
Construction of Grammar-Based Codes Using the LZ78 Code and Its Variants Mitsuharu Arimura (Shonan Inst. Tech.) IT2022-103 ISEC2022-82 WBS2022-100 RCC2022-100 |
It is shown by Kieffer and Yang that Lempel-Ziv78 (LZ78) method can be implemented as a variation of grammar-based code.... [more] | IT2022-103 ISEC2022-82 WBS2022-100 RCC2022-100 pp.224-229 |
| SANE, SAT (Joint) |
2023-03-02 11:40 |
Okinawa | (Primary: On-site, Secondary: Online) |
Altitude and Location Dependence of Iridium Positioning Error in Balloon Experiments Takato Suzuki, Takana Kaho (Shonan Inst. Tech.), Yoshitaka Saito, Masahiro Yamatani (JAXA), Yoshihiro Tomikawa (NIPR) SAT2022-61 |
We are conducting experiments to acquire data from sensors mounted on high-altitude balloons using short burst communica... [more] | SAT2022-61 pp.34-39 |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 10:30 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
Gain Controllability of FM-EDFA with Pump Power Adjustment
-- 4-LP Mode Case -- Hirotaka Ono (Shonan Inst. Tech.), Makoto Yamada (Osaka Metropolitan Univ.) OFT2022-60 OPE2022-109 |
[more] | OFT2022-60 OPE2022-109 pp.45-49(OFT), pp.76-80(OPE) |
| MW, ED | 2023-01-27 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Measurement Evaluation of Bias Dependence of Single-Input Broadband GaN Amplifier Yuki Nakagawa, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) ED2022-89 MW2022-148 |
We are researching a broadband GaN amplifier for 4G/5G base stations covering a 4GHz band from 800MHz to 4.8GHz. We aim ... [more] | ED2022-89 MW2022-148 pp.19-24 |
| AP, MW (Joint) |
2022-09-15 11:35 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Examination of Wideband Measurement of Dual-input GaN Amplifier Using Vector Transceiver Takato Suzuki, Yahiro Nanba, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) MW2022-75 |
We are researching a wideband dual-input one-output GaN amplifier for base stations that covers 4G / 5G frequencies. It ... [more] | MW2022-75 pp.36-41 |
| SAT, RCS (Joint) |
2022-08-25 09:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Experimental Evaluation of Positioning Error of Super Pressure Balloon over Antarctica Using Iridium Satellite Takana Kaho, Takato Suzuki (Shonan Inst. Tech.), Yoshitaka Saito (JAXA), Yoshihiro Tomikawa (NIPR) SAT2022-28 |
[more] | SAT2022-28 pp.1-6 |
| EA, ASJ-H | 2022-08-04 16:30 |
Miyagi | (Primary: On-site, Secondary: Online) |
SPICE Modeling of Vacuum Tubes for Low Plate Voltage
-- Comparison of Characteristics for Triode Connection of Pentodes and Triodes -- Mitsuharu Arimura (Shonan Inst. Tech.) EA2022-33 |
We measured the Ep-Ip characteristics of vacuum tubes and created SPICE models for low plate voltages (about 10V to 30V)... [more] | EA2022-33 pp.26-31 |
| IT | 2022-07-21 14:55 |
Okayama | Okayama University of Science (Primary: On-site, Secondary: Online) |
A Data Compression Method Where The Codeword Is a Computer Program Generating The Data Mitsuharu Arimura (Shonan Inst. Tech.) IT2022-19 |
The Kolmogorov complexity of a string is defined as the shortest length of the program on a Turing machine used to repre... [more] | IT2022-19 pp.18-23 |
| MW | 2022-03-03 14:25 |
Online | Online | Examination of Measurement Evaluation System of 2-input GaN Amplifier Using Vector Transceiver Haruki Mori, Takato Suzuki, Takana Kaho (Shonan Inst. Tech.), Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka (Mitsubishi Electric) MW2021-122 |
[more] | MW2021-122 pp.63-68 |
| PN | 2022-03-02 09:10 |
Online | Online | Analytical modeling of FM-EDFA employing average inversion level Hirotaka Ono (Shonan Inst. Tech.), Makoto Yamada (Osaka Pref. Univ.) PN2021-68 |
[more] | PN2021-68 pp.80-85 |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 14:20 |
Online | Online | Optical amplification for radio-over-fiber transmission with optical power supply Hirotaka Ono, Taiju Umehara (Shonan Inst. Tech.), Makoto Yamada (Osaka Pref. Univ.) OCS2021-52 OPE2021-67 |
Power over fiber (PoF) has been investigated for stable power supply in a radio on fiber (RoF) wireless service network ... [more] | OCS2021-52 OPE2021-67 pp.57-60(OCS), pp.95-98(OPE) |
| MW | 2021-12-16 14:50 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Evaluation of distortion compensation characteristics of wideband GaN amplifier with multi-carrier input Haruki Mori, Kouki Hattori, Takana Kaho (Shonan Inst. Tech.), Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka (Mitsubishi Electric) MW2021-91 |
[more] | MW2021-91 pp.37-42 |
| ICTSSL, CAS | 2020-01-30 10:20 |
Tokyo | A method to build an environment in AI of Python on the cloud Iori Yamada, Takumi Yamada, Yuta Habu, Hiroki Ito, Son Syouu, Chang Jiahang, Hideaki Okazaki (Shonan Inst. Tech.) CAS2019-65 ICTSSL2019-34 |
[more] | CAS2019-65 ICTSSL2019-34 pp.13-16 |
|
| ICTSSL, CAS | 2020-01-30 11:50 |
Tokyo | Munenari Sako, Hideaki Okazaki (Shonan Inst. Tech.) CAS2019-69 ICTSSL2019-38 |
In recent years, drones have become more popular. It covers a wide range of activities, from public entertainment to cor... [more] | CAS2019-69 ICTSSL2019-38 pp.29-33 |
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