Keio University

Presentations

Sasase, Iwao

241-260 items (total 695)

Rate 2/3 asymmetric phase/frequency modulation

Speaker
Aminuddin Chalid, Iwao Sasase, Hiroyuki Yashima and Shinsaku Mori
Conference Title
[Conference Category Domestic presentation] Dates 1987.07 - 1987.07
Presentation Format
Domestic presentation

海外における最近の Combined Coding and Modulation

Speaker
笹瀬巌, 河野隆二
Conference Title
[Conference Category Domestic presentation] Dates 1987.07 - 1987.07
Presentation Format
Domestic presentation

Convolutional coded multi-h continuous phase modulation

Speaker
Teruhiko Honda, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1987 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1987.06 - 1987.06
Presentation Format
International presentation

The effect of timing error on coded partial-response channels

Speaker
Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1987 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1987.06 - 1987.06
Presentation Format
International presentation

multi-h 畳み込み符号化連続位相 変調方式に関する研究

Speaker
本多輝彦, 笹瀬巌, 森真作
Conference Title
[Conference Category Domestic presentation] Dates 1987.03 - 1987.03
Presentation Format
Domestic presentation

符号化パ-シャルレスポンスチャネルにおけるタイミングエラ-の及ぼす影響

Speaker
笹瀬巌, 森真作
Conference Title
[Conference Category Domestic presentation] Dates 1987.03 - 1987.03
Presentation Format
Domestic presentation

高調波成分を利用した羃乗形非線形増幅器によるSN比の変化

Speaker
笹瀬巌, 森真作
Conference Title
[Conference Category Domestic presentation] Dates 1986.10 - 1986.10
Presentation Format
Domestic presentation

256QAM,225QPRSにおける準インパルス波形整形

Speaker
笹瀬巌, 森真作, Kamilo Feher
Conference Title
[Conference Category Domestic presentation] Dates 1986.09 - 1986.09
Presentation Format
Domestic presentation

On digital quasi-impulse shaping for multi-level QAM and QPRS systems

Speaker
Iwao Sasase, Jinxing Li and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title MONTECH'86 Conference on Antennas and Communications Dates 1986.09 - 1986.09
Presentation Format
International presentation

Effect of carrier recovery and symbol timing recovery error on the performance of 225-QPRS systems

Speaker
Iwao Sasase and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title MONTECH'86 Conference on Antennas and Communications Dates 1986.09 - 1986.09
Presentation Format
International presentation

Performance comparison of high level QAM and QPRS schemes in nonlinear radio channels

Speaker
K. Sreenath, Iwao Sasase and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title 1986 IEEE International Conference on Communications (ICC'86) Dates 1986.06 - 1986.06
Presentation Format
International presentation

Effect of carrier recovery and symbol timing recovery error on the performance of 256-QAM systems

Speaker
Iwao Sasase, Jinling Li and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title 1985 International Electrical, Electronics Conference and Exposition (ELECTRONICOM'85) Dates 1985.10 - 1985.10
Presentation Format
International presentation

Comparison of improved efficiency 225-QPRS and 256-QAM in distorted channels

Speaker
Iwao Sasase, Kuang-Tsan Wu and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title 1985 IEEE International Conference on Communications (ICC'85) Dates 1985.06 - 1985.06
Presentation Format
International presentation

Mobile antenna configurations for digital radio systems

Speaker
Iwao Sasase, Masami Watanabe and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1985 IEEE International Conference on Communications (ICC'85) Dates 1985.06 - 1985.06
Presentation Format
International presentation

Improved efficiency 15-level modified duobinary PRS above theNyquist rate

Speaker
Kuang-Tsan Wu, Iwao Sasase and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title 1985 IEEE International Conference on Communications (ICC'85) Dates 1985.06 - 1985.06
Presentation Format
International presentation

Bandwidth efficient modulation technique by asymmetrical pulse shaping

Speaker
Iwao Sasase, Shinsaku Mori and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title 1984 IEEE Global Telecommunications Conference (GLOBECOM'84) Dates 1984.11 - 1984.11
Presentation Format
International presentation

Optimum bandwidth of predetection Gaussian bandpass filter for differentially encoded GMSK

Speaker
Takao Kishi, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1984 IEEE Global Telecommunications Conference (GLOBECOM'84) Dates 1984.11 - 1984.11
Presentation Format
International presentation

Bandwidth efficient quadrature overlapped modulation techniques

Speaker
Iwao Sasase, Shinsaku Mori and Kamilo Feher
Conference Title
[Conference Category International presentation] Conference Title 1984 Union of Radio Science (URSI) General Assembly Dates 1984.08 - 1984.08
Presentation Format
International presentation

指向性アンテナを用いた移動無線スペクトラム有効利用

Speaker
渡辺正美, 笹瀬巌, 森真作
Conference Title
[Conference Category Domestic presentation] Dates 1984.03 - 1984.03
Presentation Format
Domestic presentation

GMSK 2ビット遅延検波方式における 受信機のガウシアンBPFの最適帯域幅

Speaker
岸高夫, 笹瀬巌, 森真作
Conference Title
[Conference Category Domestic presentation] Dates 1984.03 - 1984.03
Presentation Format
Domestic presentation