Masaaki Kojima

13 papers B 2C 1Journal 5Unranked 5
YearRankTypeTitle / Venue / Authors
2025 — conf
Enhancing Synchronization and Error-Correction Performances Under Low C/N Condition Based on ISDB-S3 for 12-GHz-band Satellite Broadcasting.
BMSB
Masaaki Kojima, Ryota Akiyama, Yuki Koizumi, Masashi Kamei
2022 J jnl
Development of Transmitter and Receiver With Set Partitioning 64APSK Coded Modulation Designed on Basis of Channel Capacity.
IEEE Trans. Broadcast.
Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kazunori Yokohata, Hisashi Sujikai
2020 — conf
Estimation of TWTA Characteristics in Satellite Transponder by Analyzing Modulated Signals at Downlink.
RWS
Masaaki Kojima, Kazunori Yokohata, Hisashi Sujikai
2019 J jnl
12- and 21-GHz Dual-Band Dual-Circularly Polarized Offset Parabolic Reflector Antenna Fed by Microstrip Antenna Arrays for Satellite Broadcasting Reception.
IEICE Trans. Commun.
Masafumi Nagasaka, Masaaki Kojima, Hisashi Sujikai, Jiro Hirokawa
2019 J jnl
120-W Ku-Band GaN SSPA with Diode Linearizer for Future Broadcasting Satellites.
IEICE Trans. Electron.
Masafumi Nagasaka, Masaaki Kojima, Takuma Torii, Hiromitsu Utsumi, Koji Yamanaka, Shintaro Shinjo, Mitsuhiro Shimozawa, Hisashi Sujikai
2019 C conf
Evaluation of Prototype Transmitter and Receiver with 64APSK Coded Modulation in Non-Linear Channel.
ICCE
Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Hisashi Sujikai
2019 — conf
Transmission Experiments for 32APSK by Digital Pre-Distortion over Satellite Simulator.
RWS
Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai
2017 B conf
Study on Set Partitioning 64APSK Coded Modulation Design Method Based on Channel Capacity.
GLOBECOM
Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kyoichi Saito, Shoji Tanaka
2016 — conf
Study on equalization system using transponder characteristics to compensate for non-linear distortion.
RWS
Masaaki Kojima, Yoichi Suzuki, Masashi Kamei, Kyoichi Saito, Shoji Tanaka
2014 J jnl
Multimode Oscillations in Coupled Oscillators With High-Order Nonlinear Characteristics.
IEEE Trans. Circuits Syst. I Regul. Pap.
Masaaki Kojima, Yoko Uwate, Yoshifumi Nishio
2012 — conf
Double-mode oscillation in chaotic circuits coupled by a time-varying resistor.
APCCAS
Masaaki Kojima, Yoko Uwate, Yoshifumi Nishio
2009 B conf
A Study of Adaptive Equalizer for APSK in the Satellite Broadcasting System.
GLOBECOM
Yoichi Suzuki, Akinori Hashimoto, Masaaki Kojima, Hisashi Sujikai, Shoji Tanaka, Takeshi Kimura, Kazuyoshi Shogen
2001 J jnl
Calculation of stacking geometries by a modified MM2 method.
J. Comput. Chem.
Mayumi Kamishima, Masaaki Kojima, Yuzo Yoshikawa