和田知久 (Wada Tomohisa) - マイポータル

基本情報

所属: 琉球大学工学部情報工学科教授

学位: 工学博士(大阪大学)

J-GLOBAL ID: 200901038382888583
researchmap会員ID: 1000285532

外部リンク: http://www.ie.u-ryukyu.ac.jp/~wada/

研究キーワード

研究分野

経歴

1999年5月

- , 琉球大学工学部情報工学科システム情報工学講座教授
1999年5月

- , University of the Ryukyus, Faculty of Engineering, Department of Information Engineering, Computer Systems, Professor
1983年4月 - 1999年4月

, 三菱電機株式会社職員（技術系）
1983年4月 - 1999年4月

, Mitsubishi Electric Corporation, Technical staff

学歴

- 1992年

スタンフォード大学, 電気工学科, コンピュータハードウエア
- 1992年

Stanford University, Electrical Engineering, Computer Hardware
- 1983年

大阪大学, 工学部, 電子工学科
- 1983年

大阪大学

受賞

2013年

IEEE ICACT2013国際会議優秀論文賞
2013年

IEEE ICACT2013 Outstanding Paper Award
2010年

研究貢献賞
2010年

-
2008年

IEEEベトナムセクション最優秀学生論文発表
2008年

IEEE Section Prize Student Paper Award
2007年

社会貢献賞
2007年

-

論文

Two Reference points Underwater Positioning System for Swarming AUVs Team Operation

Tomohisa Wada, Shigeo Nakagawa, Akiyoshi Kawamori, Taisaku Suzuki, Hajime Toma

MTS/IEEE OCEANS 2021 San Diego – Porto 2021年9月査読有り筆頭著者
Underwater Acoustic Mavlink Communication for Swarming AUVS

Yukiko Muller, Shiho Oshiro, Takuma Motohara, Atsushi Kinjo, Taisaku Suzuki, Tomohisa Wada

INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND NETWORK SECURITY 21(4) 277-283 2021年4月査読有り
Two steps Doppler compensation Algorithm from moving AUV to AUV/Mother Ship for OFDM-based UWA communication system

Mohammad Ariful Hoq, Shiho Oshiro, Tomohisa Wada

INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND NETWORK SECURITY 20(12) 272-278 2020年12月査読有り
A Prototype Wireless Underwater Robot Control system using a 32 kHz Bandwidth Underwater Small Area Acoustic Network (USAAN)

Shiho Oshiro, Yuta Sakuma, Ryuki Chibana, Atsushi Kinjo, Yusuke Onna, Suguru Kuniyoshi, Rie Saotome, Hajime Toma, Fumiaki Takemura, Taisaku Suzuki …

INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND NETWORK SECURITY 20(6) 91-98 2020年6月査読有り
Dari Speech Classification Using Deep Convolutional Neural Network

Mursal Dawodi, Jawid Ahamd Baktash, Tomohisa Wada, Najwa Alam, Mohammad Zarif Joya

2020 IEEE INTERNATIONAL IOT, ELECTRONICS AND MECHATRONICS CONFERENCE (IEMTRONICS 2020) 110-113 2020年査読有り
A CP-free STBC-MIMO OFDM communication system with ISI suppression capability for underwater multipath channel

Shiho Oshiro, Hiromasa Yamada, Shigeo Nakagawa, Tomohisa Wada

GLOBAL OCEANS 2020: SINGAPORE - U.S. GULF COAST 2020年査読有り
A Prototype Wireless Underwater Robot Control system using a 32 kHz Bandwidth Underwater Small Area Acoustic Network (USAAN)

Shiho Oshiro, Yuta Sakima, Ryuki Chibana, Atsushi Kinjyo, Yusuke Onna, Suguru Kuniyoshi, Rie Saotome, Hajime Toma, Fumiaki Takemura, Taisaku Suzuki …

MTS/IEEE OCEANS 2019, Seattle USA 2019年10月査読有り最終著者責任著者
Data-Mining Opportunities in E-Government: Agriculture Sector of Afghanistan

Mursal Dawodi, Jawid Ahmad Baktash, Tomohisa Wada

2019 IEEE 10TH ANNUAL INFORMATION TECHNOLOGY, ELECTRONICS AND MOBILE COMMUNICATION CONFERENCE (IEMCON) 477-481 2019年査読有り
Comparative study of supervised learning algorithms for student performance prediction

Mehdi Mohammadi, Mursal Dawodi, Wada Tomohisa, Nadira Ahmadi

2019 1ST INTERNATIONAL CONFERENCE ON ARTIFICIAL INTELLIGENCE IN INFORMATION AND COMMUNICATION (ICAIIC 2019) 124-127 2019年査読有り
A 32 kHz Bandwidth, 8 branch Diversity Underwater Acoustic OFDM Communication System

Yusuke Onna, Taisaku Suzuki, Hiromasa Yamada, Shigeo Nakagawa, Tomohisa Wada

2018 OCEANS - MTS/IEEE KOBE TECHNO-OCEANS (OTO) 2018年査読有り
A CP-free STBC-MIMO OFDM communication system for underwater multipath channel

Shiho Oshiro, Tomohisa Wada

2018 5TH IEEE UTTAR PRADESH SECTION INTERNATIONAL CONFERENCE ON ELECTRICAL, ELECTRONICS AND COMPUTER ENGINEERING (UPCON) 129-133 2018年査読有り
A 32 kHz Bandwidth, Robust TDD Synchronization, Underwater Small Area Acoustic Network (USAAN) System

Atsushi Kinjo, Yusuke Onna, Suguru Kuniyoshi, Rie Saotome, Taisaku Suzuki, Tomohisa Wada

OCEANS 2018 MTS/IEEE CHARLESTON 2018年査読有り
An experimental acoustic SFBC-OFDM for underwater communication

Hai Tran, Hoan Pham, Hai Dao, Taisaku Suzuki, Tomohisa Wada

International Conference on Advanced Technologies for Communications 2017- 43-47 2017年12月5日査読有り
Experimental study of incoming waves separating adaptive array for ISDB-T mobile reception

Takanobu Tabata, Mitoshi Fujimoto, Satoshi Hori, Tomohisa Wada, Hirokazu Asato

IEICE Communications Express 6(11) 627-632 2017年11月1日査読有り
A Prototype Design and Experiment of Time Division Duplex (TDD) Underwater Small Area Acoustic Network (USAAN) System

IJCSNS International Journal of Computer Science and Network Security Vol. 17(No. 10) 95-102 2017年10月査読有り
An Underwater Acoustic OFDM Communication System with Robust Doppler Compensation

Taisaku Suzuki, Tomohisa Wada, Hiromasa Yamada, Shigeo Nakagawa

INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND NETWORK SECURITY 17(9) 172-179 2017年9月査読有り
A 31.8kbps/8ｋHz Underwater Acoustic Single Carrier Frequency Division Multiplexing (SC-FDM) Communication System with Forward Error Correction

MTS/IEEE OCEANS 2017, Anchorage Alaska USA 2017年9月査読有り
Incoming Waves Separating Adaptive Array for ISDB-T Mobile Reception

Takanobu Tabata, Mitoshi Fujimoto, Satoshi Hori, Tomohisa Wada, Hirokazu Asato

2016 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) 1056-1057 2016年査読有り
Comparison of SC-FDM with OFDM in Underwater Acoustic Communication System

Hidemitsu Kiyuna, Rie Saotome, Tran Minh Hai, Atsushi Kinjo, Taisaku Suzuki, Tomohisa Wada

2016 INTERNATIONAL SYMPOSIUM ON INTELLIGENT SIGNAL PROCESSING AND COMMUNICATION SYSTEMS (ISPACS) 221-225 2016年査読有り
An Underwater Acoustic 64QAM OFDM Communication System with Robust Doppler Compensation

Tomohisa Wada, Taisaku Suzuki, Hiromasa Yamada, Shigeo Nakagawa

OCEANS 2016 MTS/IEEE MONTEREY 2016年査読有り

もっとみる

MISC

An Acoustic OFDM system with symbol-by-symbol doppler compensation for underwater communication

Tran Minhhai, Saotome Rie, Taisaku Suzuki, Tomohisa Wada

Scientific World Journal 2016(Article ID 7528353) 2016年
An OFDM receiver with frequency domain diversity combined impulsive noise canceller for underwater network

Rie Saotome, Tran Minh Hai, Yasuto Matsuda, Taisaku Suzuki, Tomohisa Wada

Scientific World Journal 2015(Article ID 841750) 2015年
On ICI canceller for mobile OFDM DTV receivers

Hai Minh Tran, Tomohisa Wada

International Conference on Advanced Communication Technology, ICACT Vol.2(Issue 5) 290-297 2014年
水中音声帯域OFDM通信における最適パラメータの検討

中山康弘, 鈴木大作, 和田知久

電子情報通信学会技術研究報告. SIP, 信号処理 : IEICE technical report 111(403) 99-102 2012年1月19日
MIMO SPACE-TIME BLOCK CODES AND CHANNEL ESTIMATION FOR MOBILE WIMAX DL-PUSC

Phuong Thi Thu Pham, Tomohisa Wada

INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL 6(12) 5619-5632 2010年12月
Pilot-Aided Channel Estimation for WiMAX 802.16e Downlink Partial Usage of Subchannel System Using Least Squares Line Fitting

Phuong Thi Thu Pham, Tomohisa Wada

IEICE TRANSACTIONS ON COMMUNICATIONS E93B(6) 1494-1501 2010年6月
ISI and ICI suppression for mobile OFDM system by using a hybrid 2-layer diversity receiver

Jing Gao, Tomohisa Wada

Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering 48 17-28 2010年
Modified Structures of Viterbi Alogrithm for Forced-State Method in Concatenated Coding System of ISDB-T

Zhian Zheng, Yoshitomo Kaneda, Dang Hai Pham, Tomohisa Wada

ADVANCES IN COMPUTER SCIENCE AND INFORMATION TECHNOLOGY, PROCEEDINGS 6059 239-+ 2010年
Applications of Adaptive Belief Propagation Decoding for Long Reed-Solomon Codes

Zhian Zheng, Dang Hai Pham, Tomohisa Wada

ADVANCES IN COMPUTER SCIENCE AND INFORMATION TECHNOLOGY, PROCEEDINGS 6059 150-+ 2010年
Effective scheme of channel tracking and estimation for mobile WiMAX DL-PUSC system

Phuong Thi Thu Pham, Tomohisa Wada

Journal of Computer Systems, Networks, and Communications 2010(Article ID 806279) 2010年
The implementation of a 2/4/8 antennas configurable diversity OFDM receiver for mobile HDTV application

Jing Gao, Takashi Iida, Hiroyuki Mizutani, Sadanori Sakaguchi, Shuji Murakami, Atsushi Shimizu, Tomohisa Wada

International Journal of Digital Multimedia Broadcasting 2009 2009年
Performance Analysis of a Joint Space-Time Block Codes and Channel Estimation Scheme in DL-PUSH Mode of Mobile WiMAX（共著）

Phuong T. T. Pham, Tomohisa Wada

Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunication Engineering Springer 16(2) 101-112 2009年
Implementation of Joint Pre-FFT Adaptive Array Antenna and Post-FFT Space Diversity Combining for Mobile ISDB-T Receiver （共著）

Dang Hai PHAM, Jing Gao, Takanobu TABATA, Hirokazu ASATO, Satoshi HORI, Tomohisa Wada

IEICE TRAN. COMMUNICATIONS E91B(1) 127-138 2008年1月
Joint Hardware-Software Implementation of Adaptive Array Antenna for ISDB-T Reception （共著）

Dang Hai PHAM, Takanobu TABATA, Hirokazu ASATO, Satoshi HORI, Tomohisa Wada

IEICE TRANS. COMMINICATIONS E89B(12) 3215-3224 2006年12月
A 500MHz Pipelined Burst SRAM with Improved SER Immunity （共著）

Hirotoshi Sato, Tomohisa Wada, Shigeki Ohbayashi, Kunihiko Kozaru, Yasuyuki Okamoto, Yoshiko Higashide, Tadayuki Shimizu, Yukio Maki, Rui Morimoto, Hisakazu Otoi …

IEEE J. Solid-State Circuits 34(11) 1571-1579 1999年11月
A 5-MHz, 3.6-mW, 1.4-V SRAM with Nonboosted, Vertical Bipolar Bit-Line Contact Memory Cell （共著）

Hirotoshi Sato, Hideaki Nagaoka, Hiroaki Honda, Yukio Maki, Tomohisa Wada, Yutaka Arita, Kazuhiro Tsutsumi, Makoto Taniguchi, Michihiro Yamada

IEEE J. Solid-State Circuits 33(11) 1672-1681 1998年11月
A 5.8-ns 256-Kb SRAM with 0.4μm Super-CMOS Process Technology （共著）

Kunihiko Kozaru, Atsushi Kinoshita, Tomohisa Wada, Yutaka Arita, Michihiro Yamada

IEICE TRANS. ELECTRON E80C(4) 566-572 1997年4月
A 4-Mb SRAM Using a New Hierarchical Bit Line Organization Utilizing a T-Shaped Bit Line for a Small Sized Die （共著）

Yoshiyuki Haraguchi, Toshihiko Hirose, Motomu Ukita, Tomohisa Wada, Masanao Eino, Minoru Saito, Michihiro Yamada, Akihiko Yasuoka

IEICE TRANS. ELECTRON E79C(6) 743-749 1996年6月
111-MHz 1-Mbit CMOS Synchronous Burst SRAM Using a Clock Activation Control Method （共著）

Hirotoshi Sato, Shigeki Ohbayashi, Yasuyuki Okamoto, Setsu Kondoh, Tomohisa Wada, Ryuuichi Matsuo, Michihiro Yamada, Akihiko Yasuoka

IEICE TRANS. ELECTRON E79C(6) 735-742 1996年6月
A 4-Mb SRAM using a new hierarchical bit line organization utilizing a T-shaped bit line for a small sized die

Y Haraguchi, T Hirose, M Ukita, T Wada, M Eino, M Saito, M Yamada, A Yasuoka

IEICE TRANSACTIONS ON ELECTRONICS E79C(6) 743-749 1996年6月