Masaaki Kojima

According to our database, Masaaki Kojima authored at least 12 papers between 2001 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2022

Development of Transmitter and Receiver With Set Partitioning 64APSK Coded Modulation Designed on Basis of Channel Capacity.

Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kazunori Yokohata, Hisashi Sujikai

IEEE Trans. Broadcast., 2022

2020

Estimation of TWTA Characteristics in Satellite Transponder by Analyzing Modulated Signals at Downlink.

Masaaki Kojima, Kazunori Yokohata, Hisashi Sujikai

Proceedings of the 2020 IEEE Radio and Wireless Symposium, 2020

2019

120-W Ku-Band GaN SSPA with Diode Linearizer for Future Broadcasting Satellites.

Masafumi Nagasaka, Masaaki Kojima, Takuma Torii, Hiromitsu Utsumi, Koji Yamanaka, Shintaro Shinjo, Mitsuhiro Shimozawa, Hisashi Sujikai

IEICE Trans. Electron., 2019

12- and 21-GHz Dual-Band Dual-Circularly Polarized Offset Parabolic Reflector Antenna Fed by Microstrip Antenna Arrays for Satellite Broadcasting Reception.

Masafumi Nagasaka, Masaaki Kojima, Hisashi Sujikai, Jiro Hirokawa

IEICE Trans. Commun., 2019

Transmission Experiments for 32APSK by Digital Pre-Distortion over Satellite Simulator.

Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai

Proceedings of the IEEE Radio and Wireless Symposium, 2019

Evaluation of Prototype Transmitter and Receiver with 64APSK Coded Modulation in Non-Linear Channel.

Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Hisashi Sujikai

Proceedings of the IEEE International Conference on Consumer Electronics, 2019

2017

Study on Set Partitioning 64APSK Coded Modulation Design Method Based on Channel Capacity.

Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kyoichi Saito, Shoji Tanaka

Proceedings of the 2017 IEEE Global Communications Conference, 2017

2016

Study on equalization system using transponder characteristics to compensate for non-linear distortion.

Masaaki Kojima, Yoichi Suzuki, Masashi Kamei, Kyoichi Saito, Shoji Tanaka

Proceedings of the 2016 IEEE Radio and Wireless Symposium, 2016

2014

Multimode Oscillations in Coupled Oscillators With High-Order Nonlinear Characteristics.

Masaaki Kojima, Yoko Uwate, Yoshifumi Nishio

IEEE Trans. Circuits Syst. I Regul. Pap., 2014

2012

Double-mode oscillation in chaotic circuits coupled by a time-varying resistor.

Masaaki Kojima, Yoko Uwate, Yoshifumi Nishio

Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012

2009

A Study of Adaptive Equalizer for APSK in the Satellite Broadcasting System.

Yoichi Suzuki, Akinori Hashimoto, Masaaki Kojima, Hisashi Sujikai, Shoji Tanaka, Takeshi Kimura, Kazuyoshi Shogen

Proceedings of the Global Communications Conference, 2009. GLOBECOM 2009, Honolulu, Hawaii, USA, 30 November, 2009

2001

Calculation of stacking geometries by a modified MM2 method.

Mayumi Kamishima, Masaaki Kojima, Yuzo Yoshikawa

J. Comput. Chem., 2001