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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIS | 2010-06-10 13:50 |
Hokkaido | Abashiri Public Auditorium | Reduction of Memory Area and Power Consumption Using FIFO for HMM-based Speech Recognition Circuits Katsuya Takahashi, Shingo Yoshizawa (Hokkaido Univ.), Noboru Hayasaka (Ray Tron, Inc.), Yoshikazu Miyanaga (Hokkaido Univ.)  SIS2010-7 |
[more] | SIS2010-7 pp.37-42 |
| IPSJ-SLDM, VLD, CPSY, RECONF [detail] | 2010-01-26 11:15 |
Kanagawa | Keio Univ (Hiyoshi Campus) | Development of Interdisciplinary Research Environment by Collaboration of e-Learning and Remote FPGA Jaeseong Kim, Shingo Yoshizawa, Yusaku Kaneta, Shin-ichi Minato, Hiroki Arimura, Yoshikazu Miyanaga (Hokkaido Univ.) VLD2009-74 CPSY2009-56 RECONF2009-59 |
Field programmable gate array (FPGA) can reconfigure logic circuits after production, which is embedded into electric in... [more] | VLD2009-74 CPSY2009-56 RECONF2009-59 pp.31-34 |
| IPSJ-SLDM, VLD, CPSY, RECONF [detail] | 2010-01-27 12:40 |
Kanagawa | Keio Univ (Hiyoshi Campus) | An efficient hardware-oriented algorithm for regular expression matching based on parallel bit-distribution Yusaku Kaneta, Shingo Yoshizawa, Shin-ichi Minato, Hiroki Arimura, Yoshikazu Miyanaga (Hokkaido Univ.) VLD2009-90 CPSY2009-72 RECONF2009-75 |
In this paper, we study the regular expression matching problem for fast data stream processing. We present an efficient... [more] | VLD2009-90 CPSY2009-72 RECONF2009-75 pp.131-136 |
| SIS | 2009-12-17 16:00 |
Kyoto | [Fellow Memorial Lecture]
On a System with High-Speed Processing and Low-Power Consumption for Speech Signal Processing Yoshikazu Miyanaga (Hokkaido Univ.) SIS2009-42 |
In this report, a new noise robust speech recognition system is introduced. As a narrow sense of speech recognition, a ... [more] | SIS2009-42 pp.67-72 |
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| SIS | 2009-12-18 11:50 |
Kyoto | Evaluation of Wireless Database on Learning and Its Search Algorithm in Cognitive Radio Yuki Ogasawara, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2009-47 |
Cognitive radio can recognize communication environments around radio stations and improve frequency utilization in freq... [more] | SIS2009-47 pp.95-100 |
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| SIP, CAS, VLD | 2009-07-01 16:00 |
Hokkaido | Kushiko-shi Shogai Gakushu Center | Analysis for robustness of RSA acoustic model by distance between phonmes Kazunaga Ohnuki (Kushiro National College of Tech.), Wataru Takahashi, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) CAS2009-8 VLD2009-13 SIP2009-25 |
In this report, the design of noise robust acoustic models is explained and its noise robustness based on these models... [more] |
CAS2009-8 VLD2009-13 SIP2009-25 pp.37-42 |
| SIS | 2009-06-12 10:10 |
Okinawa | A study of Timing Synchronization using difference decision in MIMO-OFDM Systems Hisayoshi Kanou, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2009-13 |
Orthogonal frequency division multiplexing (OFDM) is adopted in IEEE802.11a/g wireless LAN standard.Since synchronizatio... [more] | SIS2009-13 pp.73-78 |
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| SIS | 2009-06-12 10:35 |
Okinawa | VLSI Design of a Dynamic Reconfigurable MMSE Detector for 4x4 MIMO-OFDM Receiver Hirokazu Ikeuchi, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2009-14 |
This report presents a VLSI architecture of dynamic reconfigurable MMSE detection in a 4x4 MIMO-OFDM receiver. MIMO-OFDM... [more] | SIS2009-14 pp.79-84 |
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| SIS, SIP, IPSJ-AVM | 2008-09-26 14:55 |
Fukuoka | Tobata Campus, Kyushu Institute of Technology | Evaluation of Communication Quality and Amplifier Distortion in 80-MHz Bandwidth OFDM Systems
-- A Study of Improvement of Communication Quality with Decreasing PAPR -- Yasuhiro Asai, Shingo Yoshizawa (Hokkaido Univ.), Takashi Gunji, Takashi Saito (Mitubishi Electric Tokki), Yoshikazu Miyanaga (Hokkaido Univ.) SIP2008-104 SIS2008-39 |
This study evaluates the effect of distortion which the power amplifier generates in high frequency part of the transmit... [more] | SIP2008-104 SIS2008-39 pp.83-88 |
| SIS, SIP, IPSJ-AVM | 2008-09-26 15:20 |
Fukuoka | Tobata Campus, Kyushu Institute of Technology | A Study of Hardware Design of OFDM Cognitive Radio Systems Shinya Odagiri, Yuki Ogasawara, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIP2008-105 SIS2008-40 |
[more] | SIP2008-105 SIS2008-40 pp.89-94 |
| SR | 2008-07-31 10:50 |
Tokyo | NICT (Koganei,-city Tokyo) | Performance Evaluation of Environment-Adaptive OFDM Cognitive Radio Using Agent Systems Yuki Ogasawara, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SR2008-20 |
The change of surrounding environments affects communication quality largely in wireless communications. The conventiona... [more] | SR2008-20 pp.15-20 |
| VLD, CAS, SIP | 2008-06-26 16:20 |
Hokkaido | Hokkaido Univ. | [Invited Talk]
On LSI Design of the a Next Generation High Throughput MIMO-OFDM Wireless Communication Systems Yoshikazu Miyanaga, Shingo Yoshizawa (Hokkaido Univ.) CAS2008-17 VLD2008-30 SIP2008-51 |
In this report, the standardization of high throughput wireless LAN, i.e., IEEE 802.11n, is first introduced and then th... [more] | CAS2008-17 VLD2008-30 SIP2008-51 pp.93-98 |
| SIS | 2008-06-12 13:55 |
Hokkaido | A Study of Speech Features Extraction Used for Robust Speech Recognition Using RSF/DRA Mon Sato, Shingo Yosizawa, Yoshikazu Miyanaga, Noboru Hayasaka (hokkaidou Univ) SIS2008-8 |
In many speech recognition systems, the speech features are based on MFCC. Exactly speaking, the 1st - 12th MFCC, the 0t... [more] | SIS2008-8 pp.41-46 |
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| SIS | 2008-06-12 14:25 |
Hokkaido | VLSI Architecture of a Pipelined MMSE Detector in a 4x4 MIMO-OFDM Receiver Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2008-9 |
This report presents a VLSI architecture of MMSE detection in a 4x4 MIMO-OFDM receiver. Packet-based MIMO-OFDM imposes a... [more] | SIS2008-9 pp.47-52 |
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| SIS | 2008-06-13 09:50 |
Hokkaido | Speech Noise reduction using High-precision RSA Noriyuki Ohtsuki, Yuichi Uchikawa (Kushiro National College of Tech.), Yoshikazu Miyanaga (Hokkaido Univ.) SIS2008-15 |
The technique by RSA is proposed as one of the techniques for speech noise reduction. RSA has the possibility of becom... [more] |
SIS2008-15 pp.7-10 |
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| SIS | 2008-06-13 10:10 |
Hokkaido | Acoustic Modeling for Robust Recognition using Running Spectrum Analysis Kazunaga Ohnuki (Kushiro National College of Tech.), Wataru Takahashi, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2008-16 |
In this paper, new robust speech feature model is designed and applied for the continuous speech recognition system. Us... [more] | SIS2008-16 pp.11-16 |
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| SIS | 2007-12-11 11:20 |
Hyogo | Performance Evaluation of Quasi-Cyclic LDPC Codes for IEEE802.11n Based MIMO-OFDM Systems Xiaonan Shi, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2007-62 |
[more] | SIS2007-62 pp.25-28 |
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| SIP, SIS, SP | 2007-09-27 15:55 |
Aichi | Nagoya Inst. of Tech. | A study on noise robust voise activity detection using RSF Wataru Takahashi (Hokkaido Univ.), Kazunaga Ohnuki (Kushiro NCT), Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SIP2007-93 SIS2007-29 SP2007-55 |
In this report a voice activity detection method is studied for noisy environments. The proposed method applies running... [more] |
SIP2007-93 SIS2007-29 SP2007-55 pp.59-64 |
| SR | 2006-11-30 13:40 |
Hokkaido | Small-Area Variable-Length FFT Processor for OFDM Wireless LAN Systems Based on the IEEE802.11n Kazuto Nishi, Shingo Yoshizawa, Takayuki Sugawara, Yoshikazu Miyanaga (Hokkaido Univ,) SR2006-56 |
[more] | SR2006-56 pp.105-109 |
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| SR | 2006-11-30 14:05 |
Hokkaido | A Study of Adaptive OFDM Systems to Environment Takayuki Sugawara, Shingo Yoshizawa, Yoshikazu Miyanaga (Hokkaido Univ.) SR2006-57 |
This report explores new OFDM systems with variable DFT points by use of channel estimation reducing noise interferences... [more] | SR2006-57 pp.111-116 |
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