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IEICE Trans

Takumi ABE

High-Quality and Low-Complexity Polar-Coded Radio-Wave Encrypted Modulation Utilizing Multipurpose Frozen Bits
Keisuke ASANO Takumi ABE Kenta KATO Eiji OKAMOTO Tetsuya YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2023/10/01
Vol. E106-B  No. 10  pp. 987-996
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
radio-wave encryption, chaos modulation, physical layer security, polar codes, frozen bits, 
 Summary | Full Text:PDF
High-Quality Secure Wireless Transmission Scheme Using Polar Codes and Radio-Wave Encrypted Modulation
Keisuke ASANO Mamoru OKUMURA Takumi ABE Eiji OKAMOTO Tetsuya YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2023/04/01
Vol. E106-B  No. 4  pp. 374-383
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
radio-wave encryption, chaos modulation, physical layer security, polar codes, turbo decoding, 
 Summary | Full Text:PDF
Performance Improvement of Radio-Wave Encrypted MIMO Communications Using Average LLR Clipping
Mamoru OKUMURA Keisuke ASANO Takumi ABE Eiji OKAMOTO Tetsuya YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2022/08/01
Vol. E105-B  No. 8  pp. 931-943
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
radio-wave encryption, chaos modulation, physical layer security, LLR clipping, multiple-input multiple-output, 
 Summary | Full Text:PDF
The Transparent Wave Absorber Using Resistive Film for V-Band Frequency
Koji TAKIZAWA Osamu HASHIMOTO Takumi ABE Shinkichi NISHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/06/25
Vol. E81-C  No. 6  pp. 941-947
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Module Technology)
Category: Related Technical Issues
Keyword: 
transparent wave absorber, resistive-film, V-band frequency, design chart, 
 Summary | Full Text:PDF
Design and Manufacturing of Resistive-Sheet Type Wave Absorber at 60GHz Frequency Band
Osamu HASHIMOTO Takumi ABE Ryuji SATAKE Miki KANEKO Yasuo HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/02/25
Vol. E78-B  No. 2  pp. 246-252
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Compatibility)
Category: 
Keyword: 
wave absorber, mm-wave frequency, design chart, multi-layered type, 
 Summary | Full Text:PDF
Measurement of Wave Intensity Reflected from Object by Range Doppler Imaging in Ordinary Laboratory Room
Osamu HASHIMOTO Takumi ABE Wataru TSUCHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 919-924
Type of Manuscript:  Special Section PAPER (Special Issue on Measurement Techniques for Microwave/Millimeter Wave)
Category: 
Keyword: 
measurement method, wave absorber, reflection loss, range Doppler imaging, 
 Summary | Full Text:PDF