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Paper Abstract and Keywords
Presentation 2022-10-14 10:40
[Poster Presentation] OFDM/PM Systems with Adaptive Filtering for Satellite Communications
Tuguldur Ulambayar, Masato Saito (Ryukyu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) OFDM/PM (Orthogonal Frequency Division Multiplexing/Phase Modulation), also known as CE (Constant Envelope)-OFDM is an alternative modulation approach to OFDM for achieving multicarrier modulation and minimizing the Peak-to-Average Power Ratio (PAPR) by utilizing phase modulation. Utilizing OFDM/PM in satellite communications may avoid nonlinear distortion produced by the satellite power amplifier because a phase-modulated signal has a constant envelope. Generally, the use of adaptive filter-based equalization in receivers can improve the precision and reliability of satellite communications.
Therefore, we propose to introduce an LMS (Least Mean Square) and CMA (Constant Modulus Algorithm) based adaptive filtering for the OFDM / PM receiver to improve the BER (Bit Error Rate) performances in this study. We evaluate the BER performances of OFDM/PM systems with adaptive filtering for different modulation indexes of PM, and modulation schemes. Simulation results indicate that using a lower order of modulation scheme with adaptive filtering improves the BER performances.
Keyword (in Japanese) (See Japanese page) 
(in English) Orthogonal Frequency Division Multiplexing / Phase Modulation / Modulation Index / Adaptive Filtering / Constant Modulus Algorithm / Least Mean Square / /  
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Conference Information
Committee MIKA  
Conference Date 2022-10-12 - 2022-10-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Citizens Plaza 
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To MIKA 
Conference Code 2022-10-MIKA 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) OFDM/PM Systems with Adaptive Filtering for Satellite Communications 
Sub Title (in English)  
Keyword(1) Orthogonal Frequency Division Multiplexing  
Keyword(2) Phase Modulation  
Keyword(3) Modulation Index  
Keyword(4) Adaptive Filtering  
Keyword(5) Constant Modulus Algorithm  
Keyword(6) Least Mean Square  
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Keyword(8)  
1st Author's Name Tuguldur Ulambayar  
1st Author's Affiliation University of the Ryukyus (Ryukyu Univ.)
2nd Author's Name Masato Saito  
2nd Author's Affiliation University of the Ryukyus (Ryukyu Univ.)
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Speaker Author-1 
Date Time 2022-10-14 10:40:00 
Presentation Time 50 minutes 
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