Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
NLP, MSS |
2025-03-13 12:10 |
Okinawa |
Miyakojima City Central Community Center (Okinawa) |
Acceleration of Newton's Method with Third-Order Regularization Using Inertial Terms Shahrzad Mahboubi, Hiroshi Ninomiya (Shonan Inst. Tech.) |
[more] |
|
SANE, SAT (Joint) |
2025-03-05 13:50 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Basic study on antenna for marine LPWA system using high altitude flying vehicle So Hasegawa, Keita Sekigami, Kaito Terasaka, Takahiro Ishii, Junya Takenaga, Hideya So, Takana Kaho (Shonan Inst. Tech.), Yasuo Suzuki, Shigeru Teruhi (NTT) |
[more] |
|
SANE, SAT (Joint) |
2025-03-05 14:05 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Evaluation of seawater effects on antennas for marine LPWA systems using high-altitude flying vehicles Keita Sekigami, So Hasegawa, Kaito Terasaka, So Hideya, Takana Kaho (Shonan Inst. Tech.), Yasuo Suzuki, Shigeru Teruhi (NTT) |
[more] |
|
SANE, SAT (Joint) |
2025-03-05 14:20 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Evaluation of seawater effects on 12GHz patch antennas for marine terminals Takahiro Ishii, Keita Sekigami, Kaito Terasaka, So Hideya, Takana Kaho (Shonan Inst. Tech.), Kohei Suzaki (NTT) |
[more] |
|
SANE, SAT (Joint) |
2025-03-05 15:55 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Thermal-fluid and electromagnetic field simulation evaluation of X-band staircase array antenna Junya Takenaga, Kaito Terasaka, Hideya So, Koji Matsunaga, Takana Kaho (Shonan Inst. Tech.) |
[more] |
|
SANE, SAT (Joint) |
2025-03-05 16:10 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Temperature and vacuum testing of small barometers for stratospheric balloon Kaito Terasaka, Takana Kaho (Shonan Inst. Tech.), Yoshitaka Saito (JAXA) |
[more] |
|
SANE, SAT (Joint) |
2025-03-05 16:25 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Estimating the altitude of a stratospheric balloon using time variations in latitude of Iridium satellite positioning Rikito Matsuo, Kaito Terasaka, Takana Kaho (Shonan Inst. Tech.), Yoshitaka Saito (JAXA), Yoshihiro Tomikawa (NIPR) |
[more] |
|
OFT, OCS, IEE-CMN, ITE-BCT, CQ (Joint) [detail] |
2024-11-07 10:35 |
Kochi |
(Kochi) |
[Invited Talk]
NTN's wireless physical layer research towards Beyond 5G/6G Takana Kaho, Hideya So (Shonan Inst. Tech.) CQ2024-59 |
Beyond 5G/6G mobile communication systems aim to realize high-speed, high-capacity mobile communication services coverin... [more] |
CQ2024-59 pp.12-15 |
SAT, SANE (Joint) |
2024-02-09 11:20 |
Kagoshima |
AmaHome PLAZA (Amami City Shimin Koryu Center) (Kagoshima, Online) (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) (Kagoshima, Online) (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) (Kagoshima, Online) (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. (Tokyo, Online) (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 (Yamagata, Online) (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 (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 |
(Yamaguchi, Online) (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 |
(Okinawa, Online) (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 (Okinawa, Online) (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. (Tokyo, Online) (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 (Ehime, Online) (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 |
(Hokkaido, Online) (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 |