Naoto SASAOKA


Pre-Filter Based on Allpass Filter for Blind MIMO-OFDM Equalization Using CMA Algorithm
Naoto SASAOKA James OKELLO Masatsune ISHIHARA Kazuki AOYAMA Yoshio ITOH 
Publication:   
Publication Date: 2017/04/01
Vol. E100-B  No. 4  pp. 602-611
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMO-OFDMblind equalizationpermutationallpass filter
 Summary | Full Text:PDF(1.1MB)

Impact and High-Pitch Noise Suppression Based on Spectral Entropy
Arata KAWAMURA Noboru HAYASAKA Naoto SASAOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/04/01
Vol. E99-A  No. 4  pp. 777-787
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
zero phase signalspeech enhancementnoise suppressionimpact noisedamped oscillation
 Summary | Full Text:PDF(6MB)

Bias Free Adaptive Notch Filter Based on Fourier Sine Series
Kazuki SHIOGAI Naoto SASAOKA Masaki KOBAYASHI Isao NAKANISHI James OKELLO Yoshio ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/02/01
Vol. E97-A  No. 2  pp. 557-564
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive signal processingnotch filterexponential filter
 Summary | Full Text:PDF(1.7MB)

Variable Guard Interval Based on Maximum Delay Estimation for Adaptive OFDM Systems
Naoto SASAOKA Hideaki TANAKA Yuki ISHIKAWA Takaharu NAKANISHI Yoshio ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2862-2865
Type of Manuscript:  Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Theory and Systems
Keyword: 
OFDMguard intervalmultipath channelinter-symbol interference
 Summary | Full Text:PDF(399.5KB)

A Variable Step Size Algorithm for Speech Noise Reduction Method Based on Noise Reconstruction System
Naoto SASAOKA Masatoshi WATANABE Yoshio ITOH Kensaku FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 244-251
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
noise reductionadaptive filtersystem identificationNLMS algorithmvariable step size
 Summary | Full Text:PDF(487.7KB)

A Noise Reduction System for Wideband and Sinusoidal Noise Based on Adaptive Line Enhancer and Inverse Filter
Naoto SASAOKA Keisuke SUMI Yoshio ITOH Kensaku FUJII Arata KAWAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/02/01
Vol. E89-A  No. 2  pp. 503-510
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
noise reductionadaptive line enhancerinverse filterfeedback path
 Summary | Full Text:PDF(973.2KB)

A Noise Reduction Method for Non-stationary Noise Based on Noise Reconstruction System with ALE
Naoto SASAOKA Yoshio ITOH Kensaku FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 593-596
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
noise reductionlinear predictionsystem identificationadaptive line enhancer
 Summary | Full Text:PDF(347.8KB)