James OKELLO


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)

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)

Parallel Composition Based Adaptive Notch Filter: Performance and Analysis
Arata KAWAMURA Yoshio ITOH James OKELLO Masaki KOBAYASHI Yutaka FUKUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/07/01
Vol. E87-A  No. 7  pp. 1747-1755
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive notch filterconvergence performancefrequency estimationbias
 Summary | Full Text:PDF(1.1MB)

Blind Adaptive Equalizer Based on CMA and LMS Algorithm
James OKELLO Kenji UEDA Hiroshi OCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4  pp. 1012-1015
Type of Manuscript:  LETTER
Category: Fundamental Theories
Keyword: 
equalizerblind algorithmCMALMS
 Summary | Full Text:PDF(325.4KB)

A High Throughput Pipelined Architecture for Blind Adaptive Equalizer with Minimum Latency
Masashi MIZUNO James OKELLO Hiroshi OCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 2011-2019
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
blind equalizerCMAcritical pathpipelined architecture
 Summary | Full Text:PDF(2.8MB)

An IIR ALE Based on Constrained FIR Filter
James OKELLO Masashi MIZUNO Yoshio ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 428-433
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filterline enhancernotch filter
 Summary | Full Text:PDF(256KB)

An Adaptive Algorithm for Cascaded Notch Filter with Reduced Bias
James OKELLO Shin'ichi ARITA Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 589-596
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive notch filterfrequency estimationbias
 Summary | Full Text:PDF(356.5KB)

On the Necessity of Estimating the Transfer Level in an Allpass-FIR ADF by the Use of Lyapunov Criteria
James OKELLO Shin'ichi ARITA Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/05/25
Vol. E83-A  No. 5  pp. 888-894
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
allpass filtertransfer levelLyapunov criteria
 Summary | Full Text:PDF(612.7KB)

A Newton Based Adaptive Algorithm for IIR ADF Using Allpass and FIR Filter
James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/07/25
Vol. E82-A  No. 7  pp. 1305-1313
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive IIR filtersystem identificationNewton algorithmLMS algorithm
 Summary | Full Text:PDF(754.7KB)

A Simple Algorithm for Adaptive Allpass-FIR Digital Filter Using Lattice Allpass Filter with Minimum Multipliers
James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/01/25
Vol. E82-A  No. 1  pp. 138-144
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filterlattice IIR filterallpass filterorthogonalityresidue theorem
 Summary | Full Text:PDF(393.7KB)

A New Linear Prediction Filter Based Adaptive Algorithm For IIR ADF Using Allpass and Minimum Phase System
James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/01/25
Vol. E81-A  No. 1  pp. 123-130
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive IIR filtersystem identificationadaptive algorithmlinear predictor filtersignal decorrelation
 Summary | Full Text:PDF(618.7KB)