Doctor of Engineering, Kobe University

Information and Communications Engineering

1996 - 1996, University of California, Davis

1978, Shinshu University, Faculty of Engineering

1980, Shinshu University, Graduate School, Division of Engineering, 電子工学専攻

Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering and long life system
Osamu Takyu, Shohei Fujii, Youhei Akimoto, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS, Vol.13(No.12), 12 pages, Dec. 2017

A threshold decision method for MRC in QAM constellation rearrangement
Fumihito Sasamori, Naoki Sakamoto, Osamu Takyu, and Shiro Handa
IEICE Communications Express, Vol.5(No.7), pp.236-241, Jun. 2016, Refereed

Data Tracking and Effect of Frequency Offset to Simultaneous Collecting Method for Wireless Sensor Networks
Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, and Shiro Handa
INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS, 2015, Aug. 2015, Refereed

Optimization of Learning Time for Learning-assisted Rendezvous Channel in Cognitive Radio System
O. Takyu, T. Yamakita, T. Fujii, M. Ohta, F. Sasamori, and S. Handa
IEICE TRANSACTIONS ON COMMUNICATIONS, E98-B(2), 360-369, Feb. 2015, Refereed

Precise BER Analysis of Repetition Coded OFDM Systems over Time- and Frequency-selective Rayleigh Fading Channels
F. Sasamori, S. Asada, O.Takyu, and S. Handa
IEICE TRANSACTIONS ON COMMUNICATIONS, E98-B(1), 88-98, Jan. 2015, Refereed

Resource Block Assignment to Reduce Peak to Average Power Ratio in Multi-User OFDM
O. Takyu, Y. Umeda, F. Sasamori, and S. Handa
IEICE TRANSACTIONS ON COMMUNICATIONS, E97-B(8), 1689-1700, Aug. 2014, Refereed

Adaptive　Iterative Decoding of Finite-Length Differentially Encoded LDPC Coded Systems with Multiple-Symbol Differential Detection
Yang Yu, Shiro Handa, Fumihito Sasamori,Osamu Takyu
IEICE TRANSACTIONS ON COMMUNICATIONS, E96-B(03), 01 Mar. 2013

Performance Analysis of Hermite-Symmetric Subcarrier Coding for OFDM Systems over Fading Channels
Sasamori, F; Handa, S
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E95A(12), 2461-2469, Dec. 2012

ICI Suppression Methods Based on Maximum Likelihood Sequence Estimation for MSDD OFDM Systems
JIA Zi-yan, HANDA Shiro
Telecommunication Engineering, 52(1), 27-32, Jan. 2012, Refereed

Performance Analysis of Repetition Coded OFDM Systems with Diversity Combining and Higher-Level Modulation
Fumihito Sasamori, Ziyan Jia, Shiro Handa, Shinjiro Oshita
IEICE TRANSACTIONS ON COMMUNICATIONS, E94-B, 194-202, 01 Jan. 2011

Noncoherent Maximum Likelihood Detection for Differential Spatial Multiplexing MIMO Systems
Ziyan Jia, Katsunobu Yoshii, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
IEICE Transaction on Communications, E93-B(2), 361-368, Feb. 2010

Multiple-Symbol Differential Detection for Unitary Space-Time-Frequency Coding
Ziyan Jia, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
IEICE Transaction on Communications, E93-B(1), 90-98, Jan. 2010

A simple Expression of BER Performance in DPSK/ODFDM Systems with Post-Detection Diversity Reception
Fumihito Sasamori, Shiro Handa, Shinjiro Oshita
IEICE Transaction on Communications, E92-B(5), 1897-1900, Sep. 2009

A Simple Expression of BER Performance in COFDM Systems over Fading Channels
Fumihito Sasamori, Yuya Ishikawa, Shiro Handa, Shinjiro Oshita
IEICE Transaction on Communications, E92-B(1), 332-336, Jan. 2009

A Simple Method of BER Calculation in DPSK/OFDM Systems over Fading Channels
Fumihito Sasamori, Shiro Handa, Shinjiro Oshita
IEICE Trans. on Fundamentals, E88-A(1), 0366-0373, Jan. 2005

Improving TCP performance over ATM-UBR with FED plus scheme
Chin, YT; Handa, S; Sasamori, F; Oshita, S
IEICE TRANSACTIONS ON COMMUNICATIONS, E87B(6), 1514-1523, Jun. 2004

Error rate performance of multiple-symbol differential detection overtransmission channels with nonlinear amplification
Handa, S; Katase, Y; Sasamori, F; Oshita, S
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS, 87(3), 1-10, Mar. 2004

Approximate Expression of BER Performance in DS-CDMA Systems over Multi-Path Fading Channels,
Fumihito Sasamori, Shiro Handa, Fumiaki Maehara, Fumio Takahata, Shinjiro Oshita
IEICE Trans. on Communications, E86-B(8), 2523-2528, Aug. 2003

ImproveTCP Performance over ATM-UBR with Fuzzy Early Discard Scheme
YoonTze Chin, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
IEICE Trans. on Communications, E86-B(6), 1978-1990, Jun. 2003

Fast calculation algorithm and error performance of multiple-symbol differential detection over fadingchannels
Handa, S; Okano, Y; Liu, MY; Sasamori, F; Oshita, S
IEICE TRANSACTIONS ON COMMUNICATIONS, E86B(3), 1050-1056, Mar. 2003

Approximate equation of average bit-error rate-in DS-CDMA systems over fading channels
Sasamori, F; Maehara, F; Handa, S; Oshita, S; Takahata, F
IEEE TRANSACTIONS ON COMMUNICATIONS, 51(3), 409-415, Mar. 2003

Fuzzy Explicit Rate (FUER) Switch Mechanism for ABR Traffic Congestion Control in ATM Networks
Yoon Tze Chin, Kaharudin Dimyati, Shiro Handa and Shinjiro Oshita
IEICE Trans. on Communications, E85-B(6), 1124-1132, Jun. 2002

Multiple-symbol differential detection of APSK and limited search using (M,L) algorithm
Machida, M; Handa, S; Oshita, S
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS, 84(10), 27-35, Oct. 2001, Refereed

Theoretical analysis of symbol errorrates of (4,12) circular-signal-set constellation for some detection schemes
Machida, M; Handa, S; Oshita, S
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS, 83(10), 19-28, Oct. 2000

Adaptive multiple-symbol differential detection of MAPSK over frequency selective fading channels
Mingya Liu, Shiro Handa, Masanobu Machida, Shinjiro Oshita
IEICE Trans. on Fundamentals, E83-A(6), 1175-1183, Jun. 2000, Refereed

(4,12) circular-signal-set constellation for 16APSK and its performance
Machida, M; Handa, S; Oshita, S
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS, 81(9), 1-9, Oct. 1998

Implementation and Performance Evaluation of Wavelet-OFDM Signal Processing on Single Board Computer
Yusuke Yomoda, Fumihito Sasamori, Osamu Takyu, Shiro Handa
Annual Conference on Engineering and Applied Science (ACEAT) 2019, Nov. 2019, Not invited

Performance Evaluation of Phase Offset RC-OFDM Systems
Taiki Shimada, Sota Oguri, Fumihito Sasamori, Hiroyuki Sato, Hiroyuki Tsuchiya, Osamu Takyu, Shiro Handa
Annual Conference on Engineering and Applied Science (ACEAT) 2019, Nov. 2019

Construction of Server System for Multilingual Guide and Dynamic Analysis using Visible Light Beacons with Sensors
Kakeru Tanaka, Masayuki Kuwada, Atsuya Yamazaki, Hideo Okajima, Fumihito Sasamori, Osamu Takyu, Shiro Handa
Annual Conference on Engineering and Applied Science (ACEAT) 2019, Nov. 2019, Not invited

Recognition and countermeasure to hidden terminal problem by packet analysis in wireless LAN
kinori Kamio, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
APSIPA ASC 2019, Nov. 2019, Asia-Pacific Signal and Information Processing Association, Not invited

Data Separation Considering Smoothness of Sensing Data in Physical Wireless Parameter Conversion Sensor Networks
Shuhei Yamasaki, Osamu Takyu, Takeo Fujii, Mai Ohta, Fumihito Sasamori, and Shiro Handa
IEEE ICOIN 2019, Sep. 2019

Overloaded wireless MIMO switching for secure wireless communication exchanging to untrusted relay
Arata Takahashi, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Tomoaki Ohtsuki
11th International Conference on Ubiquitous and Future Networks (ICUFN), Jul. 2019, IEEE ComSoc, Not invited

Adaptive Transmission Control with Prediction of Sensing Results for PhyC-SN
Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
IEEE Radio Wireless Week 2019, Jan. 2019

Data Separation Technique using Spatial Correlation of Sensing Results for Physical Wireless Parameter Conversion Sensor Networks
Naoya Amano, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa
APSIPA Annual Summit and Conference 2018, Nov. 2018

A Signal Separation Method for Physical Wireless Parameter Conversion Sensor Networks Using K-Shortest Path
Shuhei Yamasaki, Minato Oriuchi, Osamu Takyu, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
APSIPA Annual Summit and Conference 201, Nov. 2018

Experimental Evaluation of Interference Robustness for Frequency Spectrum Sharing in WLAN Systems
Hironori Godo, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
APSIPA Annual Summit and Conference 2018, Nov. 2018

Performance Analysis of Bit Error Rate Using Repetition Coded OFDM Systems in Nakagami-m Fading Environment
Takayuki Ogawa, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2018 International Scientific Conference on Engineering and Applied Sciences (ISCEAS), Jun. 2018

Performance Evaluation of M-Ary SS/HC-OFDM System with Short Spread Codes in Stereo FM Transmission
Sunao Narita, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2018 International Scientific Conference on Engineering and Applied Sciences (ISCEAS), Jun. 2018

Performance Evaluation of M-Ary SS/HC-OFDM System with Short Spread Codes in Ultrasound Transmission
Hiroki Michiwaki, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2018 International Scientific Conference on Engineering and Applied Sciences (ISCEAS), Jun. 2018

Secure information sharing with mirroring null steering through untrusted relay with two antennas.
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, and Shiro Handa
2018 IEEE Radio and Wireless Week (RWW 2018), Jan. 2018, IEEE

Consideration of security for PLNC with untrusted relay in game theoretic perspective.
Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, and Shiro Handa
2018 IEEE Radio and Wireless Week (RWW 2018), Jan. 2018, IEEE

Transmit control and data separation in physical wireless parameter conversion sensor networks with event driven sensor.
Kyousuke Fukuda, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2018 IEEE Radio and Wireless Week (RWW 2018), Jan. 2018, IEEE

Experimental study of signaling with IFDMA modulation and nonlinear amplifying for recovering access channel mismatch.
Ryo Kurosawa, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
IEEE ICOIN 2018, Jan. 2018, IEEE

Transmit control for secure information sharing in untrusted relay with two antennas.
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, and Shiro Handa
IEEE ICOIN 2018, Jan. 2018, IEEE

Modified rendezvous scheme with inferring access channel probability of slave by master.
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
IEEE ICOIN 2018, Jan. 2018, IEEE

A study of monitoring system for radio leak with massive radio sensors
Shunsuke Imai, Osamu Takyu, Fumihito Sasamori, Shiro Handa
APSIPA ASC 2017, Dec. 2017

Performance evaluation of M-ary SS/OFDM systems with short spread spectrum codes over visible light channels
Qirui Xia, Fumihito Sasamori, Shiro Handa, Osamu Takyu
2017 International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2017

Control signal transmission based on IFDMA and receiver with nonlinear amplifier for compensating access channel mismatch
Ryo Kurosawa, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2017 IEEE 86th Vehicular Technology Conference (VTC-Fall), Sep. 2017, IEEE

Data Tracking Using Frequency Offset and SIC for Physical Wireless Conversion Sensor Networks
T.Sakai, O. Takyu, K. Shirai, M. Ohta, T. Fujii, F. Sasamori, S. Handa
IEEE WCNC 2017 International Workshop on Smart Spectrum (IWSS), 19 Mar. 2017, IEEE, Not invited

Measurement Technique for Occupancy Ratio and Transition Ratio in Cognitive Radio System
H. Soya, O. Takyu, K. Shirai, M. Ohta, T. Fujii, F. Sasamori, S. Handa
IEEE WCNC 2017 International Workshop on Smart Spectrum (IWSS), 19 Mar. 2017, IEEE, Not invited

Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering
S. Fujii, O. Takyu, M. Ohta, T. Fujii, F. Sasamori, S. Handa
ICOIN2017, Jan. 2017, ICOIN2017, Not invited

Optimization of multi-channel access in learning assisted measurement of channel occupancy ratio by USRP
T. Kimura, O. Takyu, M. Ohta, T. Fujii, F. Sasamori, S. Handa
ICOIN2017, Jan. 2017, ICOIN2017, Not invited

Fundamental Study of Decomposition based on Heterogeneous Sensing Data in Physical Conversion Sensor Networks
M. Oriuchi, O. Takyu, K. Shirai, M. Ohta, T. Fujii, F. Sasamori, S. Handa
APSIPA ASC 2016, Dec. 2016

Optimal impersonation of CSI for maximizing leaked information to untrusted relay in PLNC
O. Takyu, K. Matsumoto, T. Ohtsuki, T. Fujii, F. Sasamori, S. Handa
IEEE WCNC 2016, Apr. 2016, IEEE

Performance Evaluation of Multi-Target Tracking for PhyC-SN
M. Oriuchi, O. Takyu, K. Shirai, T. Fujii, M. Ohta, F. Sasamori, S. Handa
Apr. 2016, IEEE WCNC 2016, 4 pages, April 2016

A Simple but Effective Approach for Visible Light Beacon-based Positioning Systems with Smartphone
S. Yoshizawa, S. Handa, F. Sasamori, and O. Takyu
Proc. 2016 IEEE 12th International Colloquium on Signal Processing & its Applications (CSPA2016), 05 Mar. 2016

Multi-Target Tracking based on Features of Sensing Results and Wireless Parameters for Physical Wireless Parameter Conversion Sensor Networks
M. Oriuchi, O. Takyu, K. Shirai, T. Fujii, M. Ohta, F. Sasamori, S. Handa
IEEE RWS 2016, Jan. 2016

Performance Evaluation of the Physical Layer Security Using Artificial Noise and Relay Station
J. Kabeya, O. Takyu, T. Ohtsuki, F. Sasamori, S. Handa
APSIPA ASC 2015, Dec. 2015

Selection Method of Cluster Head in Wireless Sensor Networks of Wireless Physical Conversion for Spectrum Sharing
S. Fujii, O. Takyu, T. Fujii, M. Ohta, F. Sasamori, S. Handa
Proc. IEEE International Conference on ICT Convergence (ICTC) 2015, Oct. 2015

Unifying of Frequency Channel for Spectrum Sharing in Wireless Sensor Networks with Star Topology
T. Kimura, O. Takyu, F. Sasamori, S. Handa
Proc. IEEE International Conference on ICT Convergence (ICTC) 2015, Oct. 2015

Sleep control for maintaining large user throughput in cellular system
K. Shimohata, O. Takyu, F. Sasamori, S. Handa
IEEE APWCS 2015, Aug. 2015

High speed and small signaling overhead rendezvous in cognitive radio system
T. Yoneda, O. Takyu, M. Ohta, T. Fujii, F. Sasamori, S. Handa
IEEE APWCS 2015, Aug. 2015

Implementation and Evaluation of Visible Light OFDM Signal Processing on PSoC Microcontroller
Xia Qirui, Yuta Yonezawa, Fumihito Sasamori, Osamu Takyu, and Shiro Handa
The 3rd International Scientific Conference on Engineering and Applied Sciences (ISCEAS2015), Jul. 2015

Performance Evaluation of M-ary SS/OFDM Systems with Short Spread Spectrum Codes
Shinji Fujimaki, Yusuke Mizukura, Fumihito Sasamori, Osamu Takyu, and Shiro Handa
The 3rd International Scientific Conference on Engineering and Applied Sciences(ISCEAS2015), Jul. 2015

Evaluation of Information Leak by Ipersonated CSI in PLNC Considering Physical Layer Security
K. Matsumoto, O. Takyu, T. Fujii, T. Ohtsuki, F. Sasamori, and S. Handa
Proc. IEEE Radio Wireless Symposium (RWS) 2015, Jan. 2015

Learning assisted rendezvous channel in cognitive radio system
O. Takyu, T. Yamakita, T. Fujii, F. Sasamori, and S. Handa
Proc. IEEE International Conference on Communication Systems (ICCS), Nov. 2014

Physical Layer Network Coding with Multiple Untrusted Relays for Physical Layer Security
K. Yamaguchi, O. Takyu, T. Fujii, T. Ohtsuki, F. Sasamori, and S. Handa
APSIPA ASC 2014, Nov. 2014

Robustness against Fading Fluctuation in Hermite-Symmetric Subcarrier Coding for OFDM Systems
A. Toda, F. Sasamori, O. Takyu, and S. Handa
Proc. IEEE International Conference on ICT 834-835, Oct. 2014

Performance Evaluation of Acoustic OFDM with Repetition Coding
S. Sasano, F. Sasamori, O. Takyu, and S. Handa
Proc. IEEE International Conference on ICT Convergence (ICTC) 2014, Oct. 2014

Data Tracking and Effect of Frequency Offset to Simultaneous Collecting Method for Wireless Sensor Networks
R. Myoenzono, O. Takyu, K. Shirai, T. Fujii, M. Ohta, F. Sasamori, and S. Handa
Proc. IEEE International Conference on ICT Convergence (ICTC) 2014, Oct. 2014

Adaptive Control Based on Theoretical Analysis in RC-OFDM Systems
W. Koike, F. Sasamori, O. Takyu, S. Handa
Proc. of International Conference on ICT Convergence (ICTC) 2013, Oct. 2013

Design and Implementation of OFDM Signal Processing on PSoC Microcontroller
K. Hayashi, F. Sasamori, O. Takyu, S. Handa
Proc. of International Conference on ICT Convergence (ICTC) 2013, Oct. 2013, Not invited

Physical Layer Network Coding with Multiple Untrusted Relays for Physical Layer Network Coding
K. Yamaguchi, O. Takyu, T. Fujii, T. Ohtsuki, F. Sasamori, S. Handa
IEEE APWCS 2013, Aug. 2013

Analysis of Channel Usage Tendency from Indoor Measurement Results in Wireless LAN System
M. Goto, O. Takyu, T. Fujii, F. Sasamori, S. Handa
IEEE APWCS 2013, Aug. 2013

High-Accurate and Time-Traceable Occupancy Ratio Measurement for Cognitive Radio System
Y. Wakao, O. Takyu, T. Fujii, F. Sasamori, S. Handa
IEEE APWCS 2013, Aug. 2013

Theoretical Analysis for Learning-Assisted Rendezvous Channel for Cognitive Radio
T. Yamakita, O. Takyu, T. Fujii, F. Sasamori, S. Handa
IEEE CTW 2013, Jun. 2013

Improved Soft-Output M-Algorithm for Differential Encoded LDPC Coded Systems with Multiple-Symbol Differential Detection
Yang Yu, Shiro Handa, Fumihito Sasamori, OsamuTakyu
IEEE Personal, Indoor and Mobile Radio Communications Symposium 2012(PIMRC 2012), Sep. 2012, IEEE

Iterative Noncoherent Detection of Coded Differential Space-Time Modulation in Rayleigh Fading Channels
Ziyan Jia, Kaori Minemura, Shiro Handa and Fumihito Sasamori
The 13th International Conference on Advanced Communication TechnologyCommunication Technology, 13 Feb. 2011

Iterative multiple-symbol differential detection of differential LDPC codes
Yang Yu, Shiro Handa, Fumihito Sasamori
Proc. of Intelligent Siganl Processing and Communication Systems 1 1-4, 15 Nov. 2010

Intercarrier Interference Suppression Method for OFDM Systems with Multiple-Symbol Differential Detection
Ziyan Jia, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
The 20th Personal, Indoor and Mobile Radio Communications Symposium 2009, May 2009, IEICE

Multiple-Symbol Differential Detection for Unitary Space-Time-Frequency Coding
Ziyan Jia, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
Proc. IEEE International Conference on Circuits and Systems for Communications 139-142, May 2008

Multiple-Symbol Differential Detection for Space-Time Block Codes over Fast Rayleigh Fading Channels
Ziyan Jia, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
Proc. 10th International Conference of communications Technology(ICCT 2006, Guilin, China, Dec.23-30), Nov. 2006

A Study on Post-Detection Diversity Combining for OFDM Systems
Yuya Ishikawa, Fumihito Sasamori, Shiro Handa, Shinjiro Oshita
Proc. 10th International Conference of communications Technology(ICCT 2006, Guilin, China, Dec.23-30), Nov. 2006

Multiple-Symbol Differential Detection for Space-Time Block Codes with Diversity Reception
Ziyan Jia, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
Proc. 2006 IEEE Wireless Communications and Netoworking Conference (WCNC 2006, Las Vegas, NV USA),CD-ROM Version, Apr. 2006

Theoretical Analysis of BER in DPSK/OFDM Systems with Postdetection Diversity Reception
Yuki Mitsu, Fumihito Sasamori, Shiro Handa, Shinjiro Oshita
Proc. the IEEE Wireless Communications and Netoworking Conference 05 (WCNC'05, New Orleans LA, USA), Mar. 2005

Non-Coherent Detection of Turbo Coded MDAPSK Using the MSDD Metric over Rayleigh Fading Channels
Atsushi Kobayashi, Shiro Handa, Fumihito Sasamori, Shinjiro Oshita
Proc. The 6th International Symposium on Wireless Personal Multimedia Communications (WPMC'03, Yokosuka Japan), Oct. 2003

Improve TCP Performance Over ATM-UBR with FED
Yoon Tze Chin, Shiro Handa, Fumihito Sasamori and Shinjiro Oshita
Proc. International Conference on Communications (ICC 2003, Anchorage, USA), May 2003

Improve TCP Performance Over ATM-UBR with FED+
Yoon Tze Chin, Shiro Handa, Fumihito Sasamori and Shinjiro Oshita
Proc. the IEEE International Conference on Fuzzy Systems (FUZZY-IEEEE 2003, St. Louis, MO, USA), May 2003

Approximate Equation of Bit Error Rate in OFDM Systems over Specular Multipath Fading Channels
Fumihito Sasamori, Atsuhiro Yamano, Shiro Handa, Shinjiro Oshita
Proc. the IEEE Wireless Communications and Netoworking Conference 03 (WCNC'03, New Orleans, USA),, Mar. 2003

New Procesure to Reduce Flooding Period in Multi-Hop Networks
Hiroyuki Kada, KouichiMutuura, Osamu Akizuki, ShiroHanda, Shinjiro Oshita
Proc. of Asia Simulation Conference/the 5th International Conference on System Simulation and Scientific Computing(Shanghai),, Nov. 2002

Improvement of Channel Efficiency in Mobile Communication by User Relay Scheme
ZhongNing Jia, Kouichi Mutsuura, Osamu Akizuki, YoonTze Chin, Shiro Handa, Shinjiro Oshita
Proc. Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2002, Phuket, Thailand), Jul. 2002

Fuzzy Early Discard (FED) to Improve TCP Reno Performance over ATM-UBR
YoonTze Chin, Shiro Handa, Fumihito Sasamori and Shinjiro Oshita
Proc. of 2002 Workshop on High Performance Switching and Routing(HPSR 2002, Kobe, Japan),, May 2002

Approximate Equation of Bit Error Rate in DQPSK/OFDM Systems Over Fading Channels
Fumihito SASAMORI, Hiroyoshi UMEDA, Shiro HANDA,Fumiaki MAEHARA, FumioTAKAHATA, and Shinjiro OSHITA
Proc. of European Wireless 2002(Florence, Italy), Feb. 2002

Multi-hop Networks Management Considering Terminal Mobility
Nobuhide Nakabo, Kouichi Mutsuura, Osamu Akizuki, Shiro Handa, Shinjiro Oshita
Proc. of European Wireless 2002(Florence, Italy), Feb. 2002

Multiple-Symbol Differential Detection Considering Autocorrelation over Frequency Selective Fading Channels
Y.Okano, S.Handa, Mingya Liu, Fumihito Sasamori, Shinjiro Oshita
Proc. of APCC 2001, Sep. 2001

Management of Network Configuration in Multi-hop Networks - Identification of Network Topology, Accommodating New Terminal and Merging Another Network -
Nobuhide Nakabou, Kouichi Matsuura, Osamu Akizuki, Shiro Handa, Shinjiro Oshita
Proc. of The 4th International Conference on Multi-Dimensional Mobile Communications(MDMC'01, Pori, Italy), Jun. 2001

Multiple-Symbol Differential Detection of MAPSK over Correlated Rayleigh Fading Channels and Fast Calculation Method of the Metric
Mingya Liu, Shiro Handa, Yusuke Okano, Fumihito Sasamori, Shinjiro Oshita
Proc. of 3G Wireless and beyond 2001, May 2001

A channel allocation scheme for hierarchical cellular system with dynamic microcell forming
Yoshitatsu Yokokawa, Osamu Akizuki, Kouichi Mutsuura, Shiro Handa, Shinjiro Oshita
Proc. of Asia-Pacific Conference on Communications 2000(APCC 2000,Seoul, Korea), Nov. 2000

Simple control of channel allocation with DMF
Hiromichi Ito, Yoshitatsu Yokokawa, Osamu Akizuki, Kouichi Mutsuura, Shiro Handa, Shinjiro Oshita
Proc. of JSST(Japan Society for Simulation Technology) International Conference on Modeling, Control and Comutation in Simulation(JSST 2000, Tokyo Japan), Oct. 2000

Adaptive Multiple-Symbol Differential Detection for 16APSK over Frequency Selective Fading Channels,
M. Liu, M.Machida, S.Handa, S.Oshita
Proc. of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC'99 Sado), Jul. 1999, Not invited

Multiple-Symbol Differential Detection of APSK Using (M,L) Algorithm
M.Miwa, M.Machida, S.Handa, S.Oshita
Proc. of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC'99 Sado), Jul. 1999

Handoff Reduction of Hierarchical Cellular System with Dynamic Microcell Forming
Yoshitatsu Yokokawa, Osamu Akizuki, Kouichi Mutsuura, Shiro Handa, Shinjiro Oshita
Proc. of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC'99 Sado), Jul. 1999, Not invited

A Cellular System Using Direct Transmission between Terminals with Parallel Transmission
Tsuyoshi Itagaki, Shiro Handa, Satoru Kubota, Kouichi Mutsuura, Shinjiro Oshita
Proc. of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC'99, Sado), Jul. 1999, Not invited

Multiple-Symbol Differential Detection of APSK Based on MAP Criterion
Masanobu Machida, Shiro Handa, Shinjiro Oshita
Proc. IEEE GLOBECOM'98(Global TeleCommunications Conference '98, Sydney), Nov. 1998

Multiple-Symbol Differential Detection of APSK and Limited Search Scheme Using M-Algorithm
Masanobu Machida, Yu Kaneko, Shiro Handa, Shinjiro Oshita
Proc. of IEEE ISPACS'98(International Workshop on Intelligent Signal Processing And Communication Systems '98, Melbourne), Nov. 1998, Not invited

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