Shingo YOSHIZAWA

A Dynamically Reconfigurable FPGA-Based Pattern Matching Hardware for Subclasses of Regular Expressions
Yusaku KANETA  Shingo YOSHIZAWA  Shin-ichi MINATO  Hiroki ARIMURA  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/07/01
Vol. E95-D  No. 7  pp. 1847-1857
Type of Manuscript: PAPER
Category: Computer System
Keyword: 
FPGA,  string matching,  regular expression matching,  bit-parallel algorithm,  event stream processing, 
  Summary |  Full Text:PDF (701.5KB)
Design of Area- and Power-Efficient Pipeline FFT Processors for 8x8 MIMO-OFDM Systems
Shingo YOSHIZAWA  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/02/01
Vol. E95-A  No. 2  pp. 550-558
Type of Manuscript: PAPER
Category: VLSI Design Technology and CAD
Keyword: 
pipeline FFT processor,  MIMO-OFDM,  VLSI architecture,  IEEE 802.11ac, 
  Summary |  Full Text:PDF (2.3MB)
Development and Outdoor Evaluation of an Experimental Platform in an 80-MHz Bandwidth 22 MIMO-OFDM System in 5.2-GHz Band
Hisayoshi KANO  Shingo YOSHIZAWA  Takashi GUNJI  Shougo OKAMOTO  Morio TAWARAYAMA  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/12/01
Vol. E94-D  No. 12  pp. 2400-2408
Type of Manuscript: PAPER
Category: Computer System
Keyword: 
IEEE802.11ac,  wideband MIMO-OFDM,  FPGA,  field experiment, 
  Summary |  Full Text:PDF (3.6MB)
VLSI Implementation of a Scalable Pipeline MMSE MIMO Detector for a 44 MIMO-OFDM Receiver
Shingo YOSHIZAWA  Hirokazu IKEUCHI  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/01/01
Vol. E94-A  No. 1  pp. 324-331
Type of Manuscript: PAPER
Category: VLSI Design Technology and CAD
Keyword: 
wireless communications,  MIMO-OFDM,  MIMO detection,  MMSE, 
  Summary |  Full Text:PDF (1.6MB)
New PAPR Reduction in an OFDM System Using Hybrid of PTS-CAPPR Methods with GA Coded Side Information Technique
Chusit PRADABPET  Shingo YOSHIZAWA  Yoshikazu MIYANAGA  Kobchai DEJHAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2830-2836
Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Theory and Systems
Keyword: 
OFDM,  PAPR,  PTS,  CAPPR,  nonlinear HPA, 
  Summary |  Full Text:PDF (676.8KB)
New PAPR Reduction in OFDM System Using Hybrid of PTS-APPR Methods with Coded Side Information Technique
Chusit PRADABPET  Shingo YOSHIZAWA  Yoshikazu MIYANAGA  Kobchai DEJHAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2973-2979
Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: OFDM
Keyword: 
OFDM,  PAPR,  PTS,  APPR,  nonlinear HPA, 
  Summary |  Full Text:PDF (635.6KB)
VLSI Implementation of a Complete Pipeline MMSE Detector for a 44 MIMO-OFDM Receiver
Shingo YOSHIZAWA  Yasushi YAMAUCHI  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1757-1762
Type of Manuscript: PAPER
Category: VLSI Design Technology and CAD
Keyword: 
wireless communications,  MIMO-OFDM,  MIMO detection,  MMSE, 
  Summary |  Full Text:PDF (347.4KB)
Tunable Wordlength Architecture for a Low Power Wireless OFDM Demodulator
Shingo YOSHIZAWA  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2866-2873
Type of Manuscript: PAPER
Category: VLSI Design Technology and CAD
Keyword: 
wireless communication,  variable wordlength,  VLSI architecture,  OFDM, 
  Summary |  Full Text:PDF (627KB)
Cepstral Amplitude Range Normalization for Noise Robust Speech Recognition
Shingo YOSHIZAWA  Noboru HAYASAKA  Naoya WADA  Yoshikazu MIYANAGA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/08/01
Vol. E87-D  No. 8  pp. 2130-2137
Type of Manuscript: PAPER
Category: Speech and Hearing
Keyword: 
speech recognition,  robust features,  cepstrum,  Noisex92, 
  Summary |  Full Text:PDF (370.5KB)