Kentaro ISHIZU


Design and Implementation of IEEE 1900.4 Architecture Using IMS Functionality
Homare MURAKAMI Kentaro ISHIZU Stanislav FILIN Hiroshi HARADA Mikio HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1266-1275
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
cognitive radioIEEE 1900.4IMSsignalingradio resource management
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Autonomous Throughput Improvement Scheme Using Machine Learning Algorithms for Heterogeneous Wireless Networks Aggregation
Yohsuke KON Kazuki HASHIGUCHI Masato ITO Mikio HASEGAWA Kentaro ISHIZU Homare MURAKAMI Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1143-1151
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
heterogeneous wireless networkslink aggregationmachine learning algorithm support vector machinescognitive radio
 Summary | Full Text:PDF(1.3MB)

Cognitive Wireless Router System by Distributed Management of Heterogeneous Wireless Networks
Kentaro ISHIZU Homare MURAKAMI Stanislav FILIN Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3311-3322
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
cognitive radio networkheterogeneous wireless networkdistributed managementcognitive wireless router
 Summary | Full Text:PDF(3.1MB)

Noise Robust Voice Activity Detection Based on Switching Kalman Filter
Masakiyo FUJIMOTO Kentaro ISHIZUKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 467-477
Type of Manuscript:  Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: Voice Activity Detection
Keyword: 
voice activity detectionstatistical modelswitching Kalman filternoisy environmentCENSREC-1-C
 Summary | Full Text:PDF(1.1MB)

Introduction to IEEE P1900.4 Activities
Soodesh BULJORE Markus MUCK Patricia MARTIGNE Paul HOUZE Hiroshi HARADA Kentaro ISHIZU Oliver HOLLAND Andrej MIHAILOVIC Kostas A. TSAGKARIS Oriol SALLENT Gary CLEMO Mahesh SOORIYABANDARA Vladimir IVANOV Klaus NOLTE Makis STAMETALOS 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 2-9
Type of Manuscript:  INVITED PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: 
Keyword: 
IEEE standardizationcognitive radionetwork architecturereconfigurationheterogeneous radio access networksdistributed radio resource management
 Summary | Full Text:PDF(1008.3KB)

Fundamental Frequency Estimation for Noisy Speech Using Entropy-Weighted Periodic and Harmonic Features
Yuichi ISHIMOTO Kentaro ISHIZUKA Kiyoaki AIKAWA Masato AKAGI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/01/01
Vol. E87-D  No. 1  pp. 205-214
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
fundamental frequency estimationentropyinstantaneous amplitudeperiodic featureharmonic feature
 Summary | Full Text:PDF(1.3MB)