Academic conference presentation
2024/05
[Short Paper] Intermittent reception of L1S signals broadcast from quasi-zenith satellite Michibiki
(IEICE Technical Report, SR2024-xx)
2024/05
PPP-B2b augmentation messages broadcast from positioning satellite BeiDou
(IEICE Technical Report, WBS2024-xx)
2024/03
Disaster and crisis management report broadcast from quasi-zenith satellite Michibiki
(IEICE General Conference, BCI-3-01)
2024/01
A mobile reception experiment of Galileo improved I/NAV navigation messages
(IEICE Technical Report, SANE2024-91)
2023/09
Comparison of orbit augmentation information between Michibiki MADOCA-PPP and Galileo HAS
(IEICE Society Conference, B-2-9)
2023/08
[Invited Talk] Reception of radiowave broadcast from quasi-zenith satellite Michibiki
(EICE Technical Report, RCS2023-110 (SAT2023-39))
2023/05
Simultaneous reception of MADOCA-PPP and HAS with Pocket SDR
(General Conference of The Institute of Positioning, Navigation and Timing of Japan)
2023/05
Luminance increase in drone still image for YOLO identification improvements
(IEICE Technical Report, SR2023-14)
2023/05
Extraction of priority DCR messages from convolutional-coded L1S signals broadcast from quasi-zenith satellite Michibiki
(IEICE Technical Report, SR2023-15)
2023/04
Reception of high precision satellite navigation signals sent from Michibiki and Galileo
(IEICE Technical Report, RCS2023-13)
2022/11
Reception of MADOCA-PPP navigation augmentation messages sent from quasi-zenith satellite Michibiki with GNSS SDR
(GPS/GNSS society of Japan Institute of Navigation)
2022/11
Detecting quasi-zenith satellite L1S signals with its null message
(IEICE Technical Report, SR2022-61)
2022/09
Priority message prediction of disaster and crisis management report broadcast from quasi-zenith satellite Michibiki
(IEICE Society Conference, B-17-14)
2022/07
Two ray model approximation of radio propagation for drone link
(IEICE Technical Report, CS2022-16)
2022/07
State transition characteristics of disaster and crisis management report message sent from quasi-zenith satellite Michibiki
(IEICE Technical Report, CS2022-29)
2022/06
Capacity analysis of satellite augmentation information of CLAS with quasi-zenith satellite archive data
(General Conference of The Institute of Positioning, Navigation and Timing of Japan)
2022/01
Priority message statistics of disaster and crisis management report sent from quasi-zenith satellite Michibiki,
(IEICE Technical Report, SR2021-63)
2021/10
Message effective duration distribution of disaster and crisis management report sent from quasi-zenith satellite Michibiki
(IEICE Technical Report, CS2021-55)
2021/03
Mutual information of disaster and crisis report broadcast from quasi-zenith satellite Michibiki
(IEICE General Conference, B-8-19)
2020/08
[Invited Talk] An intermittent reception with mutual information analysis of disaster and crisis report broadcast from quasi-zenith satellite Michibiki
(IEICE Technical Report, ICD2020-12)
2020/03
LPWA as a radio that conveys small data with a lower power consumption
(IEICE General Conference, CI-5-6)
2019/12
Selection of determining methods of ISDB-T emergency warning signals with certain time reception
(ITE Winter Convention, 14C-6)
2019/10
Dependence of elevation mask angle on distance difference between GNSS single positioning and MADOCA positioning
(IEICE Technical Report, CS2019-63)
2019/10
An intermittent reception method of disaster and crisis management report broadcasted from quazi-zenith satellites Michibiki
(IEICE Technical Report, CS2019-62)
2019/09
Comparison of results on GNSS standalone positioning and MADOCA positioning
(IEICE Society Conference, B-2-8)
2019/09
Certain period observation of emergency wake-up signals for ISDB-T mobile television receivers
(IEICE Society Conference, B-8-22)
2019/07
A method of detecting wake-up signal considering cumulative time probability for ISDB-T television receivers
(IEICE Technical Report, CS2019-44)
2019/07
A method of LPWA radio transmission of exercise electrocardiography with conductive sports wear hitoe
(IEICE Technical Report, CS2019-33)
2019/05
[Invited Talk] Characteristics of positioning with radiowave
(IEICE Technical Report, CQ2019-23)
2019/03
Intermittent reception performance of automatic wake-up signal for ISDB-T television receivers
(IEICE General Conference, B-8-12)
2018/11
Calculation method of power difference among different radio communication systems
(ITEJ Technical Report, BCT2018-92)
2018/03
Dependence of determination methods on mutual information obtained from ISDB-T emergency warning signal reception
(IEICE Technical Report, CS2017-111)
2018/03
Analysis of mutual information for ISDB-T periodic automatic wake-up receivers
(IEICE General Conference, B-8-24)
2018/03
Analysis of capture effect in Rayleigh fading environments with characteristic function method
(ITEJ Technical Report, BCT2018-42)
2018/01
Analysis of capture effect in Rayleigh fading environments with characteristic function method
(ITEJ Technical Report, BCT2018-23)
2017/12
[Invited Talk] A method of determining automatic wake-up signal of ISDB-T emergency warning broadcasting
(IEICE Technical Report, RCS2017-258)
2017/12
Analysis of capture effect with characteristic function method for digital modulated signals
(ITE Winter Annual Convention, 13C-3)
2017/09
Symmetric memoryless binary channel approximation for automatic wake-up signal transmission channel in ISDB-T emergency warning broadcasting
(ITEJ Technical Report, BCT2017-76)
2017/08
A low-power reception method of emergency wake-up signal based on TMCC parity agreement for ISDB-T mobile television receivers
(IEICE Technical Report, CQ2017-59)
2017/08
A low-power reception method of ISDB-T emergency wake-up signal with TMCC parity
(ITE Annual Convention, 13C2)
2016/08
A reception method of TMCC signals for ISDB-T mobile television receivers
(ITE Annual Convention, 12D1)
2016/08
A method of receiving control signals for ISDB-T mobile television receivers
(IEICE Technical Report, CQ2016-52)
2016/05
Detection of earthquake early warning on ISDB-T terrestrial digital television signals with majority decision
(SmartCom 2016)
2016/03
A Method of detecting ISDB-T earthquake early warning signals with synchronization burst of emergency warning signals
(IEICE Society Conference, B-8-59)
2015/09
A method of detecting earthquake early warning signals for ISDB-T terrestrial television with emergency warning signal detection
(IEICE Technical Report, CS2015-39)
2015/09
A Method of Detecting ISDB-T Earthquake Early Warning Signals with Parity
(IEICE General Conference, B-8-2)
2015/07
Detection of early earthquake warning signal with AC parity for ISDB-T terrestrial digital television receivers
(IEICE Technical Report, CS2015-35)
2015/03
Detection of ISDB-T emergency warning broadcasting signals with subcarrier diversity within an segment
(IEICE General Conference, B-8-30)
2015/02
A method of determining emergency warning signals with various transmission modes for ISDB-T digital terrestrial television receivers
(IEICE Technical Report, CS2014-93)
2014/11
[Special Talk] Methods of receiving and broadcasting emergency warning signals for ISDB-T Terrestrial Digital Television Standard
(ITEJ Technical Report, BCT2014-85)
2014/10
Detection performance of emergency wake-up signal with frequency diversity for ISDB-T digital television receivers
(SmartCom 2014)
2014/09
Detection performance of ISDB-T emergency warning broadcasting signal with 32-kilo point FFT
(IEICE Society Conference, B-8-40)
2014/09
Utilization of next information for emergency warning in ISDB-T terrestrial digital television broadcasting
(IEICE Technical Report, CS2014-50)
2014/03
Coverage of transmission power controlled pseudolite with linear arrangement
(IEICE General Conference, B-8-23)
2014/03
Interference characteristics of multiple arrangement pseudolites with transmission power control
(IEICE Technical Report, CS2013-129)
2014/01
Pulse duty ratios of transmission power controlled pseudolites in a city area
(IEICE Technical Report, CS2013-86)
2013/12
Detection performance of emergency warning broadcasting signals with TMCC parity in various ISDB-T transmission modes
(ITE Technical Report, BCT2013-109)
2013/12
Coverage of multiple arrangement pulse pseudolite with transmission power control
(IEICE Technical Report, CS2013-70)
2013/11
Signal detection characteristics of ISDB-T emergency warning broadcasting in mobile reception environments
(IEICE Technical Report, CQ2013-66)
2013/09
A method of detecting ISDB-T emergency warning signal with parity bits
(IEICE Society Conference, B-8-11)
2013/07
A method of detecting emergency warning of ISDB-T terrestrial digital television standard with subcarrier reception
(IEICE Technical Report, CS2013-27)
2013/05
A method of detecting emergency warning signal in ISDB-T terrestrial digital television standar
(IEICE Technical Report, SR2013-17)
2013/03
Pulse duty ratio of city area pseudolite with transmission power control
(IEICE Technical Report, CS2012-132)
2013/03
Interference characteristics of terrestrial pseudolite with transmission power control
(IEICE General Conference, B-2-64)
2012/09
A terrestrial pseudolite with step-by-step transmission power reduction
(IEICE Society Conference, B-2-28)
2012/07
Performance evaluation of pulse power-controlled pseudolite for global navigation satellite system
(IEICE Technical Report, CS2012-42)
2012/03
A method of transmitting terrestrial pseudo satellite signal in global navigation satellite system
(IEICE Technical Report, CS2011-147)
2011/09
Emergency warning broadcasting on terrestrial digital television system using spectral white spaces
(Technical Report of URSI-F Committee)
2011/04
A novel method of measuring radiowave direction of arrival in three dimensional space
(IEICE Technical Report)
2011/04
Radio communications utilizing spectral white spaces in terrestrial television broadcasting bands
(IEICE Technical Report, RCS2011-4)
2011/04
Three dimensional analysis of hidden signal strength for terrestrial television broadcasting radiowaves
(IEICE Technical Report, RCS2011-2)
2010/11
Modulation dependence on detection performance for cognitive radios based on energy detection
(IEICE Technical Report, CS2010-46)
2010/08
Radio communications utilizing spectral white spaces in terrestrial television broadcasting bands
(IEICE Technical Report, RCS2010-102)
2010/03
Signal detection performance of a cognitive radio with the differentiated bandwidth method
(IEICE Technical Report, CS2009-111)
2010/03
Dependence of the snapshot number on signal detection performance of a cognitive radios with the differentiated bandwidth method
(IEICE General Conference, B-17-10)
2009/09
A differentiated signal detection method for cognitive radios with multiple power sensors
(IEICE Society Conference, B-17-3)
2009/05
A differentiated bandwidth technique for signal detection of cognitive radios and its analytical evaluation with the characteristic function method
(IEICE Technical Report, RCS2009-15)
2009/05
Interference analysis for regional broadcasting in existing digital television bands
(IEICE Technical Report, RCS2009-16)
2009/03
A signal detection method for cognitive radios with differentiated bandwidth
(IEICE General Conference, B-17-16)
2008/11
A CFAR circuit of detecting spatially correlated target for automotive UWB radars
(IEICE Technical Report, CS2008-62)
2008/09
A constant false alarm rate circuit of detecting spatially correlated target for automotive UWB radars
(IEICE Society Conference, B-2-15)
2008/01
An improvement factor of clutter suppression with statistical power correction for high resolution UWB radars
(IEICE Technical Report, CS2007-57)
2007/10
A statistical clutter suppression method based on given target-existence probabilities for high resolution UWB radars
(IEICE Technical Report, WBS2007-37)
2007/10
Power consumption for coherent optical orthogonal frequency division multiplexing with punctured convolutional codes and variable amplitude block codes
(IEICE Technical Report, WBS2007-33)
2007/10
Time-frequency interferometry for OFDM
(IEICE Technical Report, WBS2007-32)
2007/09
A battery saving method with two sleep modes for ad-hoc radio terminals operating in shadowing environments
(IEICE Society Conference, B-21-17)
2007/09
Time-frequency interferometry for OFDM
(IEICE Society Conference, B-8-21)
2007/09
An alarm for sound quality degradation on unstable communication channels
(IEICE Society Conference, B-11-11)
2007/06
A battery saving method of reducing energy consumption of ad-hoc radio terminals in shadowing environments
(IEICE Technical Report, IN2007-18)
2007/03
High time resolution carrier interferometry for SDM/OFDM
(IEICE General Conference, B-5-89)
2007/01
High time resolution carrier interferometry for SDM/OFDM
(IEICE Technical Report, RCS2006-227)
2007/01
Transmit sector selection with considering the link correlation for SDM/OFDM systems
(IEICE Technical Report, RCS2006-231)
2006/09
Link correlation based transmit sector antenna selection for STBC/OFDM
(IEICE Society Conference, B-8-8)
2006/09
An effect of transmission antenna obstruction for MIMO eigenbeam space division multiplexing
(IEICE Society Conference, B-1-214)
2006/03
Connection holding times of ad hoc networks in shadowing environments
(IEICE General Conference, B-21-36)
2005/12
An icosahedron antennas configuration for MIMO eigenbeam space division multiplexing
(IEICE Society Conference, B-1-219)
2005/12
Connection availability over ad-hoc networks in shadowing environments
(IEICE Technical Report, IN2005-121)
2005/05
Antenna tilt dependence on delay spread in microwave mobile communications
(IEICE Technical Report, AP2005-28)
2005/03
A determination method of substream modulation levels for MIMO eigenbeam space division multiplexing
(IEICE General Conference, B-1-251)
2005/03
A proposal of inter-vehicle communication based on spread sprectrum radar
(IEICE Technical Report, ITS2003-5)
2005/01
Adaptive sub-carrier block modulation with differentially modulated pilot symbol assistance for down-link OFDM using up-link delay spread
(IEICE Technical Report, RCS2004-298)
2005/01
Stochastic prediction of transmission errors in MIMO eigenbeam space division multiplexing
(IEICE Technical Report, RCS2004-294)
2005/01
OFDM packet transmission system with a sequentially updated channel estimation algorithm -concept and fundamental transmission characteristics
(IEICE Technical Report, RCS2004-261)
2004/09
Differential modulated pilot symbol assisted adaptive OFDM for reducing the MLI transmission
(IEICE Society Conference, BS-8-4)
2004/09
An effect of delay spread enhancement in MIMO eigenbeam transmission
(IEICE Society Conference, B-1-180)
2004/06
Differential modulated pilot symbol assisted adaptive OFDM for reducing the MLI with predicted FBI
(IEICE Technical Report, RCS2004-109)
2004/05
Site dependence BER prediction of MIMO transmission by using ray tracing
(IEICE Technical Report, AP2004-14)
2004/03
High-mobility broadband wireless access system by dynamic parameter controlled OF/TDMA
(IEICE General Conference, B-5-64)
2004/03
Imbalanced power of polarization based antenna-phase controlled SDM/OFDM system
(IEICE General Conference, B-5-63)
2004/03
MIMO channel capacity prediction by using ray tracing
(IEICE General Conference, B-1-223)
2004/01
Antenna-phase controlled SDM/OFDM with polarization diversity for dynamic parameter controlled OFDM system
(IEICE Technical Report, RCS2003-283)
2004/01
New generation mobile communication system by dynamic parameter controlled OFDM
(IEICE Technical Report, RCS2003-284)
2004/01
Reverse link performance improvement for dynamic parameter controlled OFDM using Alamouti coded heterogeneous polarization antennas
(IEICE Technical Report, RCS2003-248)
2003/05
Fading characteristics of 60 GHz band inter-vehicle communications running at high speed
(IEICE Technical Report, AP2003-28)
2003/05
Distance dependence of path loss for 60 GHz millimeter wave inter-vehicle communications
(IEICE Technical Report, AP2003-5)
2003/05
Experimental study of inter-vehicle communication based on spread sprectrum radar
(IEICE Technical Report, ITS2003-6)
2003/05
Inter-vehicle communication systems using millimeter wave band -joint research and experimental activities on ITS at YRP
(IEICE Technical Report, ITS2003-4)
2003/03
An example of measured path loss analysis for millimeter wave inter-vehicle communications
(IEICE General Conference, B-1-39)
2002/09
An effect of space diversity for inter-vehicle millimeter wave communications
(IEICE Society Conference, B-1-23)
1999/09
LOS and NLOS path-loss and delay characteristics in microwave suburban propagation
(IEICE Society Conference, B-1-12)
1999/09
Measurements of non-line-of-sight loss in microwave suburban propagation
(IEICE Society Conference, B-1-11)
1999/09
Prediction of median-fluctuation intervals in microwave urban propagation
(IEICE Society Conference, B-1-14)
1999/09
Effects of traffic on path-loss characteristics in microwave urban propagation
(IEICE Society Conference, B-1-13)
1999/03
Measurements of direction of arrival in microwave mobile propagation
(IEICE General Conference, B-1-46)
1999/03
Measurements of loss and delay profile in microwave suburban propagation
(IEICE General Conference, B-1-47)
1999/03
Measurements of non-line-of-sight loss in microwave urban propagation
(IEICE General Conference, B-1-48)
1999/03
Estimation of BPSK-RZ transmission performance in microwave urban propagation environments
(IEICE General Conference, B-1-49)
1999/01
Effects of mobile antenna height on delay spread in microwave urban propagation
(IEICE Technical Report, AP98-133)
1998/10
Path loss characteristics of line-of-sight microwave propagation with low height mobile station antenna
(IEICE Technical Report, AP98-86)
1998/09
Radiowave numbers in microwave urban radio propagation and transmission performance prediction
(IEICE Technical Report, RCS98-80)
1998/09
Distance dependence of multipath radiowave numbers in microwave urban propagation
(IEICE Society Conference, B-1-29)
1998/09
Influence of mobile antenna height on delay spread
(IEICE Society Conference, B-1-28)
1998/09
Influence of frequency on delay spread in microwave urban propagation
(IEICE Society Conference, B-1-27)
1998/07
Statistical fading characteristics of urban microwave radio propagation
(IEICE Technical Report, AP98-33)
1998/06
Line-of-sight microwave propagation measurement with low antenna height and its new prediction model
(IEICE Technical Report, RCS98-39)
1998/03
An influence of reception antenna height on LOS path loss characteristics
(IEICE General Conference, B-1-52)
1998/03
A difference in fast fading characteristics between distance and time axis in line-of-sight condition
1998/03
A numerical estimation method of eye aperture ratio in a multipath environment
(IEICE General Conference, B-5-25)
1997/09
A study on frequency dependence of microwave path loss in LOS condition
(IEICE Society Conference, B-1-28)
1997/09
Statistical characteristics of propagation for mobile communication measured in a stationary condition
(IEICE Society Conference, B-1-29)
1997/07
BER estimation by ray tracing with random phase summation
(IEICE Technical Report, AP97-75)
1997/03
An estimation of the number of reuse cells by means of the ray trace method with the random phase summation
(IEICE General Conference, B-1-29)
1997/03
Pathloss characteristics for line-of-sight microcellular mobile communications in microwave band
(IEICE General Conference, B-1-21)
1996/09
An estimation of the multiple wave propagation characteristics by means of the ray trace method with the random phase summation
(IEICE Society Conference, B-16)
1995/09
The base station placement assistance tool
(IEICE Society Conference, B-8)
1994/11
Fast algorithm for radio propagation simulation baed on imaging method
(IEICE Technical Report, RCS94-125)
1991/10
A method of processing radar clutter using spatial correlation property
(IEICE Technical Report, SANE91-40)
1991/09
Characteristics on autocorrelation properties of radar clutter with the K-distribution model
(IEICE Fall Conference, B-90)
1991/03
An example of the analysis of ground clutter with the K-distribution model
(IEICE Spring Conference, B-170)