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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 41  /  [Next]  
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
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