Papers and letters (2015)

  • Y. Taka, F. Toya, O. Fujiwara, S. Ishigami and Y. Yamanaka
    IEC Specified Standard Waveforms and their Frequency Spectra of Discharge Current for Contact Discharge of ESD Gun
    IEEJ Trans. A vol.135, no. 10, pp.592-597, Oct. 2015.
  • I. Wu, T. Shinozuka, S. Ishigami, and Y. Matsumoto
    Evaluation of electromagnetic radiation from the DC side of a photovoltaic power generation system
    IEEE EMC Magazine, vol. 4, no. 2, pp. 73-81, Aug. 2015.
  • Y. Matsumoto and K. Wiklundh
    Evaluation of impact on digital radio systems by measuring amplitude probability distribution of interfering noise (invited)
    IEICE Trans. on Communications, vol. E98B, no. 7, pp. 1143-1155, Jul. 2015.
  • T. Shinozuka, K. Fujii, A. Sugiura, and K. Wada
    Influence of an AC-coaxial adapter on measurements of the AMN impedance
    IEICE Communications Express, vol. 4, no. 3, pp. 99-104, Mar. 2015.
  • I. Wu, T. Shinozuka, S. Ishigami, and Y. Matsumoto
    Effect of Frame Wire Installed between PV Panels and Ground Plane on Radiation Noise from PV Power Generation System
    IEICE Communications Express, vol. 4, No. 2, pp. 50-54, Feb. 2015.

Papers and letters (2014)

  • Y. Matsumoto, and K. Gotoh
    Necessary conditions for estimating the maximum bit error probability by using amplitude probability distribution of an interfering noise
    IEICE Communications Express, vol. 3, no. 8, pp. 241-246, Aug. 2014.
  • I. Wu, H. Ohta, K. Gotoh, S. Ishigami, and Y. Matsumoto
    Characteristics of radiation noise from an LED lamp and its effect on the BER performance of an OFDM system for DTTB
    IEEE Transactions on Electromagnetic Compatibility, vol. 56, no. 1, pp. 132-142, Feb. 2014.

Papers and letters (2013)

  • Y. Matsumoto, I. Wu, K. Gotoh, and S. Ishigami
    Measurement and Modeling of Electromagnetic Noise from LED Light Bulbs
    IEEE Electromagnetic Compatibility Magazine, vol. 2, no. 4, pp. 58-66, 2013.
  • Y. Matsumoto, and K. Gotoh
    An Expression for Maximum Bit Error Probability using the Amplitude Probability Distribution of an Interfering Signal and its Application to Emission Requirements
    IEEE Trans. on Electromagnetic Compatibility, vol. 55, no. 5, pp. 983-986 Oct. 2013.
  • A. Nakamura, S. Nabatame, T. Kuge, K. Ohno, H. Ohta, and M. Itami
    Synchronization Scheme for DoA Estimation of Multi-path in Digital Terrestrial Television Broadcasting
    Journal of the Institute of Image Information and Television Engineers, Vol. 67, No. 7, pp. J252-J261, July 2013.
  • K. Harima
    Antenna phase center estimation by gain-fitting method
    IEICE Communications Express, Vol. 2, No. 6, pp. 274-279, June 2013.
  • A. Nakamura, S. Nabatame, K. Ohno, M. Itami, and H. Ohta
    Frequency Spectrum Connection Method for High Time-Resolution Delay Profile Estimation in Digital Terrestrial Television Broadcasting
    Journal of the Institute of Image Information and Television Engineers, Vol. 67, No. 6, 194-203, June 2013.

Papers and letters (2012)

  • J. Wang, T. Suzuki, O. Fujiwara, K. Harima
    Measurement and validation of GHz-band whole-body average SAR in a human volunteer using reverberation chamber
    Phys. Med. Biol., vol.57, pp. 7893-7903, Nov. 2012.
  • I. Wu, S. Ishigami, Y. Matsumoto
    A method to identify the noise from LED light bulbs by comparing the time domain characteristics of impulsive electromagnetic noise and light emission
    IEICE Communications Express, vol. 1, No.5, pp.184-189, Oct. 2012.
  • Y. Matsumoto
    Relation between impulsiveness correction factor and amplitude probability distribution of impulsive interference for estimating its impact on communication systems
    IEICE Communications Express vol.1, no.1, pp.10-15, June 2012.
  • Y. Yamanaka, T. Adachi, S. Ishigami, I. Mori, Y. Taka, and O. Fujiwara
    Measurement and Validation of Transfer Impedance of IEC Calibration Current Target for Electrostatic Discharge Generators
    IEEJ Trans. A vol.132, no.5, pp.350-355, May. 2012.
  • Y. Yamanaka, F. Toya, S. Ishigami, and O. Fujiwara
    Waveform Distortion of Discharge Rising Currents caused by Built-in Inductor for Contact Discharges of Electrostatic Discharge Generators
    IEEJ Trans. A vol.132, no.5, pp.362-367, May. 2012.
  • I. Wu, H. Ohta, K. Gotoh, S. Ishigami, Y. Matsumoto
    Relation between electromagnetic noise from LED light bulb and its impact on bit error rate performance of DTTB
    IEICE Electron. Express, vol. 9, no.7, pp.666-672, April 2012.

Papers and letters (2011)

  • F. Toya, I. Mori, O. Fujiwara, Y. Taka, S. Ishigami, and Y. Yamanaka
    Estimation of Discharge Currents for Contact Discharges from ESD Gun to Equipment under Test
    IEICE Transactions, vol. J94-C, no. 10, pp. 288-295, Oct. 2011.
  • T. Gotoh, Y. Taka, I. Mori, O. Fujiwara, S. Ishigami, and Y. Yamanaka
    FDTD Simulation of Transfer Impedance of Calibration Current Target for ESD Testing
    IEEJ Trans. C, vol. 131, no. 3, pp. 606-612, March 2011.
  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Basic analysis of large quasi-TEM waveguides using dipole frequency selective surface for EMC testing
    IEICE Electron. Express, vol. 8, no.6, 2011.

 

Papers and letters (2010)

  • K. Harima
    Accurate Gain Determination of LPDA by Considering the Phase Center
    IEICE Electron. Express, vol. 7, no. 23, pp. 1760-1765, Dec. 2010.
  • Y. Taka, T. Adachi, I. Mori, O. Fujiwara, S. Ishigami, and Y. Yamanaka
    Transfer impedance of new-type calibration target and reconstruction of injected currents for air discharges from electrostatic discharge generators
    IEICE Electron. Express vol. 7, no. 22, pp. 1666-1671, Nov. 2010.
  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Development of three-antenna method measurement system for low-sensitivity optical electric field sensor
    IEICE Electron. Express, vol. 7, no. 17, pp. 1265-1270, Sept. 2010.
  • S. Ishigami, M. Yamada, H. Kamiya, K. Gotoh, Y. Matsumoto, and M. Tokuda
    A New Method of Interference Evaluation Between an Ultrawideband System and a Wireless LAN Using a Gigahertz Transverse Electromagnetic Cell
    IEEE Trans. on Electromagnetic Compatibility, vol. 52, no. 3, pp. 737-744, Aug. 2010.
  • Y. Matsumoto, T. Murakami, K. Fujii, and A. Sugiura
    Impact of Electromagnetic Noise From PCs on Performance of Multiband-OFDM UWB Systems
    IEEE Trans. on Consumer Electronics, vol. 56, no. 2, pp. 348-352, May. 2010.
  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Probe calibration by using a different type of probe as a reference in GTEM cell above 1GHz
    IEICE Electron. Express, vol. 7, no. 6, pp. 460-466, March 2010.
  • Y. Shoji, C.-S. Choi, and H. Ohta
    60-GHz Repeater Link for an ISDB-T Gap-filler System Based on Self-heterodyne Technique Applying an Adaptive Distortion Suppression Technique
    IEEE Trans. on Microwave Theory and Technique, vol. 58, no. 2, pp. 340-347, Feb. 2010.

 

Papers and letters (2009)

  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    The Effect of a Low Dielectric Material Placed at the Tip of a GTEM Cell on the Electric Field
    IEICE Electron. Express, vol. 6, no. 22, pp. 1608-1614, Nov. 2009.
  • I. Wu, S. Ishigami, K. Gotoh, and Yasushi Matsumoto
    Calibration of electric field probes in GTEM cell using reference antenna method
    EICE Electron. Express, vol. 6, no. 20, pp.1469-1475, Oct. 2009.
  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Dependence of Attenuation of Common Mode Radiation from Indoor Power Line Communication System on Structure of Reinforced Concrete Wall
    IEICE Trans. on Communications, vol. E92-B, no. 9, pp. 2931-2938, Sept. 2009.
  • I .Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Calibration of electric field probes with three orthogonal elements by standard field method
    IEICE Electron. Express, vol. 6, No. 14, pp. 1032-1038, July 2009.

 

Papers and letters (2008)

  • Y. Matsumoto, K. Gotoh, and T. Shinozuka
    A Method for Converting Amplitude probability Distribution of Disturbance from one Measurement Frequency to Another
    IEICE Trans. On Communications, vol. E91-B, no.6, pp. 2010-2019, June 2008.
  • J. Urabe, A. Mukifza Harun. K. Fujii, Y. Matsumoto, and A. Sugiura
    An Evaluation Method of EMI Suppression Characteristics of Ferrite Cores
    Trans. IEICE, vol. J91-B, no.3, pp. 272-280, Mar. 2008.

 

Papers and letters (2007)

  • Y. Matsumoto
    On the Relation Between the Amplitude Probability Distribution of Noise and Bit Error Probability
    IEEE Trans. on Electromagnetic Compatibility, vol. 49, no. 4, pp. 940-941, Nov. 2007.
  • M. Yamada, S. Ishigami, K. Gotoh, and Y. Matsumoto, M. Tokuda
    Evaluation of Electromagnetic Interference between UWB System and Wireless LAN using a GTEM cell
    Trans. IEICE, vol. J90-B, no. 11, pp. 1206-1212CNov. 2007.
  • K. Gotoh, and Y. Matsumoto
    APD (Amplitude Probability Distribution) Measurement of Electromagnetic Disturbance:Fundamentals and Research Directions
    Journal of Japan Institute of Electronics Packaging, vol. 10, no. 5, pp. 180-184, May. 2007.
  • Y. Matsumoto, T. Shimizu, T. Murakami, K. Fujii, and A. Sugiura
    Impact of Frequency-Modulated Harmonic Noises from PCs on OFDM-based WLAN Systems
    IEEE Trans. on Electromagnetic Compatibility, vol. 49, no. 2, pp. 455-462, May. 2007.

Papers and letters (2006)

  • T. Murakami1, Y. Matsumoto, K. Fujii, and A. Sugiura
    Interference Potential of PC Noises on MB-OFDM UWB Systems
    IEEE Communications Letters, vol. 10, no. 12, pp. 804-806, 2006.
  • Y. Matsumoto, K. Fujii, and A. Sugiura,
    Estimating the Amplitude Reduction of Clock Harmonics due to Frequency Modulation
    IEEE Trans. on Electromagnetic Compatibility, vol. 48, pp. 734-741, Nov. 2006.
  • T. Murakami, Y. Matsumoto, K. Fujii, and A. Sugiura
    BER Evaluation of Bluetooth Wireless Systems Disturbed by Radiated Noise of Spread Spectrum Clock System
    IEICE Trans. on Communications, vol. E89-B, pp. 2897-2904, Oct. 2006.

 

Papers and letters (2005)

  • I. Mori, Y. Taka, O. Fujiwara, S. Ishigami
    Characteristic Comparison of Discharge Currents Caused by Electrosatic Discharge Gun for IEC Immunity Testing
    IEICE Trans. on Communications, Vol. J88-B, No. 12 pp. 2401-2403, Dec. 2005.
  • I. Mori, O. Fujiwara, S. Ishigami, and Y. Yamanaka
    Characteristics Measurement of Discharge Current Injected by the Air Discharge of an ESD-gun onto a Ground
    IEEJ Trans. on Electronics, Information and Systems, vol. 125, No. 12, pp. 1798-1804
  • Y. Matsumoto, K. Fujii, and A. Sugiura
    An analytical method for determining the optimal modulating waveform for dithered clock generation
    IEEE Trans. on Electromagnetic Compatibility, vol. 47, No.3, pp. 577-584, Sep. 2005.
  • K. Gotoh, Y. Matsumoto, Y. Yamanaka, and T. Shinozuka
    APD Measurement for the Disturbance Evaluation Related to the Performance of Digital Communication Systems
    IEICE Trans. On Communications, vol. E88-B, No. 8 pp. 3235-3241, Aug. 2005.
  • Y. Matsumoto, M. Nakatsuka, T. Murakami, K. Fujii, and A. Sugiura
    Reduction of Microwave Oven Interference in DS-SS WLAN Systems by Using Adaptive Filters
    IEICE Trans., on Communications, vol. E88-B, No. 8, pp. 3221-3228, Aug. 2005.
  • T. Murakami, Y. Matsumoto, K. Fujii, and A. Sugiura
    Performance analysis of Bluetooth system in the presence of microwave oven noises
    IEICE Trans. on Communications, vol. J88-B, No. 6 pp. 1139-1149 June 2005.
  • Y. Matsumoto, T. Murakami, K. Fujii, and A. Sugiura
    Band-Limitation Effects on Microwave Oven Noise in the 2.4-GHz Band
    IEICE Trans. on Communications, vol. E-88B, No. 3, Mar. 2005.
  • Y. Matsumoto, M. Takeuchi, K. Fujii, A. Sugiura, and Y. Yamanaka
    Performance Analysis of Interference Problems Involving DS-SS WLAN Systems and Microwave Ovens
    IEEE Trans. on EMC, Vol. 47, No. 1, Feb. 2005.
  • O. Fujiwara, R. Matsuda, S. Ishigami, and Y. Yamanaka
    Realistic FDTD Modeling of Contact Discharge with ESD-Gun for Electrostatic Discharge Testing
    IEEJ-A Trans. , Vol. 125, No. 1, pp. 45-50, Jan. 2005.

 


Oral presentations (2015)

  • K.Fukunaga
    Electromagnetic Compatibility Issues in the Smart Grid
    IEEE Electrical Insulation Conference Workshop, Seattle, USA, Jun. 2015.
  • S. Ishigami, K. Gotoh and Y. Matsumoto
    Reconstruction Technique of ESD Field and Impact on Wireless Communications
    The 2015 Asia-Pacific International EMC Symposium (APEMC 2015), p. 65, Taipei, Taiwan, May 2015.
  • I. Wu, S. Ishigami and Y. Matsumoto
    Evaluation of Radiation Mechanism of LED Noise and Its Impact on Communication Quality of Digital Terrestrial Television Broadcasting
    The 2015 Asia-Pacific International EMC Symposium (APEMC 2015), Taipei, Taiwan, May 2015.

Oral presentations (2014)

  • K. Harima
    Numerical Estimation of E-Field Uniformity in a Reverberation Chamber Using a Simple Multipath Fading Model
    The 2014 Asia-Pacific Microwave Conference (APMC 2014), no. WE3G-48, pp. 387-389, Sendai, Japan, Nov. 2014.
  • S. Ishigami, K. Gotoh, I. Wu, and Y. Matsumoto
    Development of measuring apparatus for conducted disturbance voltage using TEM cell up to 1 GHz
    EMC Europe 2014, Gothenburg, Sweden, pp. 844-849, Sep. 2014.
  • Y. Matsumoto, and K. Gotoh
    A Method of Defining Emission Limit Including Gradient of Amplitude Probability Distribution Curve
    EMC Europe 2014, Gothenburg, Sweden, pp. 895-900, Sep. 2014.
  • K. Gotoh, I. Wu, S. Ishigami, and Y. Matsumoto
    Use of Independent Component Analysis to Separate Noise Sources in Emissions Radiated from LED Lamps
    EMC Europe 2014, Gothenburg, Sweden, pp. 1195-1198, Sep. 2014.

Oral presentations (2013)

  • Y. Matsumoto
    Measurement of amplitude probability distribution of an EM noise for analyzing its impact on wireless systems (invited)
    9-th International Workshop on Electromagnetic Compatibility of Integrated Circuits, Dec. 2013.
  • K. Gotoh, S. Ishigami, T. Shinozuka, and Y. Matsumoto
    Interference study of microwave ovens emission with satellite broadcasting according to the emission limits in CISPR 11
    EMC Europe 2013, Brugge, pp. 717-720, Sep. 2013.
  • Y. Matsumoto, I. Wu, and S. Ishigami
    A Method to Identify Interference Noise From LED Lamps by Comparing EM Noise Waveform with Light Intensity in Time Domain
    EMC Europe 2013, Brugge, pp. 180-184, Sep. 2013.

Oral presentations (2012)

  • S. Ishigami, I. Wu, K. Gotoh, and Y. Matsumoto
    Numerical analysis on effect of building materials on electromagnetic fields in VHF band
    EMC Europe 2012, Roma, Italy, Sep. 2012.
  • Y. Matsumoto, I. Wu, and H. Ohta
    Interference from LED - a Growing Problem for Critical Wireless Applications
    EMC Europe 2012, Roma, Italy, Sep. 2012.
  • K. Gotoh, T. Shiozuka, S. Ishigami, and Y. Matsumoto
    Electromagnetic Disturbance Evaluation using Pulse Duration Distribution
    EMC Europe 2012, Roma, Italy, Sep. 2012.
  • K. Harima
    Estimation of Power Absorbed by Human Body Using Reverberation Chamber
    Proc. 2012 IEEE EMC Symposium, pp. 39-43, Pittsburg, USA, Aug. 2012.
  • S. Ishigami, I. Wu, K. Gotoh, and Y. Matsumoto
    Numerical analysis of electromagnetic-field attenuation of buildings in very high frequency band
    2012 Korea-Japan EMT/EMC/BE Joint Conference (KJJC-2012), pp. 93-96, Seoul, Korea, May. 2012.

Oral presentations (2011)

  • K. Harima
    Numerical Simulation for Accurate Gain Measurement of LPDA
    Proc. 2011 International Symposium on Antenna and Propagation, Jeju, Korea, Oct. 2011.
  • Y. Matsumoto
    Multi-frequency Amplitude Probability Distribution Measurement System and its Application to Electromagnetic Interference Analysis (invited)
    XXXth URSI General Assembly and Scientific Symposium (URSI GASS), Istanbul, Aug. 2011.
  • Y. Matsumoto, and K. Gotoh
    Accuracy of Gaussian Approximation Applied to Impulsive Interference in OFDM Reception
    EMC-EUROPE 2011, York, UK, Sep. 2011.
  • S. Ishigami, I. Wu, and K. Gotoh
    Numerical analysis of folded rhombic antenna for EMI measurements using FI method
    EMC Europe 2011, pp. 722-727, York, UK, Sep. 2011.
  • Y. Matsumoto
    APD Measurement of Electromagnetic Noise as an Approach to Effective Detection of EMI Issues in Wireless Systems (invited)
    2011 Asia-Pacific EMC Symposium (APEMC2011), Jeju Island, May. 2011.

Oral presentations (2010)

  • A. Nakamura, S. Nabatame, T. Kuge, K. Ohno, M. Itami, and H. Ohta
    Estimation of Delay Profile for Measurement of Direction of Propagation in Digital Terrestrial Television Broadcasting
    IEEE International Conference on Communication Systems (ICCS 2010), PM2-2-4-5, Singapore, Nov. 2010.
  • S. Nabatame, T. Kuge, K. Ohno, M. Itami, and H. Ohta
    Identification of Reflection Points of Propagation Paths in Digital Terrestrial Television Broadcasting
    IEEE International Conference on Communication Systems (ICCS 2010), PM2-2-4-6, Singapore, Nov. 2010.
  • Y. Goto, K. Kitaichi, S. Ishigami, K. Takizawa, G. H. Sung, and M. Tokuda
    Impact of WBAN to electrodes for ECG monitoring
    Asia-Pacific Radio Science Conference (AP-RASC) 2010, KE-2, Toyama, Sept. 2010.
  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Relation between the Calibration Factor and the Uniformity of the Electric Field in the GTEM
    Asia-Pacific Radio Science Conference (AP-RASC) 2010, EP-10, Toyama, Sept. 2010.
  • Y. Matsumoto, and K. Gotoh
    Comparison of Estimated and Measured Multichannel Amplitude Probability Distributions for Real-time Monitoring of EM Environment
    Asia-Pacific Radio Science Conference (AP-RASC) 2010, EP-9, Toyama, Sept. 2010.
  • K. Kitaichi, Y. Goto, S. Ishigami, K. Takizawa, S.G. Hui Hsia, M. Tokuda
    Electromagnetic Interference Caused by Wireless Body Area Network to Medical Electronic Equipment
    EMC Europe 2010, pp. 851-856, Wroclaw, Sept. 2010.
  • K. Gotoh, S. Ishigami, Y. Matsumoto, M. Ryoshi, J. Nishio, S. Yoshimura
    Development and its Application of FFT-based Multi-Channel APD Measuring Equipment
    EMC Europe 2010, pp. 46-51, Wroclaw, Sept. 2010.
  • Y. Matsumoto, K. Gotoh, and K. Wiklundh
    Definition of APD-based Emission Limits for the Protection of Coded Wireless Systems from Impulsive Interference
    EMC Europe 2010, pp. 629-634, Wroclaw, Sept. 2010.
  • Y. Shoji, Y. Takayama, M. Toyoshima, and H. Ohta
    Demonstration of the transportation of microwave environment over an optical 10 Gbps Ethernet based IP network
    7th IEEE, IET International Symposium on Communication Systems, Networks and Digital Signal Processing , pp. 748-752, Newcastle, July 2010.
  • Y. Shoji, Y. Takayama, M. Toyoshima, H. Ohta
    Transparent Transportation of Digitized Microwave Environments over 10 Gbps Optical Networks:Transportation of Multi-Channel Digital Broadcast Signals
    12th International Conference on Transparent Optical Networks (ICTON2010), We.A.3.6, Munich, June 2010.
  • S. Ishigami, K. Kitaich, Y. Goto, K. Takizawa, S.G. Hui Hisa, and M. Tokuda
    Impact of wireless body area network to medical electronic equipment
    4th Pan-Pacific EMC joint meeting (PPEMC), TH-PM1-3, Sendai, May. 2010.

Oral presentations (2009)

  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Effect on Electric Field of Foam Block in GTEM Cell
    2009 IEEE International Electromagnetic Compatibility Symposium, pp. 233-237, Austin, Aug. 2009.
  • S. Ishigami, I.Wu, K. Sato, and Y. Matsumoto
    Calibration of Electric-Field Probe using open-ended waveguides
    2009 IEEE International Electromagnetic Compatibility Symposium, pp. 1-5, Austin, Aug. 2009.
  • K. Kitaichi, S. Ishigami, K. Takizawa, Y. Matsumoto, R. Kohono, and M. Tokuda
    Study on EMC Problems of medical electronic equipment caused by wideband electromagnetic wave source
    2009 International Symposium on EMC, EMCf09/Kyoto, pp. 365-368, Kyoto, July 2009.
  • Y. Matsumoto, and K. Wiklundh
    A simple expression for bit error probability of convolutional codes under class-A interference
    2009 International Symposium on EMC, EMCf09/Kyoto, pp. 430-433, Kyoto, July 2009.
  • K. Takizawa, S. Ishigami, K. Kitaichi, K. Hamaguchi, and R. Kohno
    On the use of ultra-wideband communications into Wireless body area network for medical check-up
    2009 International Symposium on EMC, EMCf09/Kyoto, pp. 559-562, Kyoto, July 2009.
  • S. Inoue, H. Abe, M.Tokuda, and S. Ishigami
    Improvement of a Tear Drop-Shaped Antenna with an Optical Feeding Using a Dielectric Reinforcement
    2009 International Symposium on EMC, EMCf09/Kyoto, pp. 607-610, Kyoto, July 2009.
  • F. Toya, Y. Taka, O. Fujiwara, S. Ishigami, and Y. Yamanaka
    Estimation of discharge currents injected onto ground for contact discharges from ESD-generators using magnetic near-field
    2009 KOREA/JAPAN AP/EMC/EMT JOINT CONFERENCE, EMC-4-3, pp. 207-210, Inchon, May. 2009.
  • S. Ishigami, and M. Hirata
    A New Calibration Method for an Electric-field Probe using one-port TEM Waveguides and Monopole Antenna
    2009 KOREA/JAPAN AP/EMC/EMT JOINT CONFERENCE , EMC-3-5, pp. 195-198, Inchon, May. 2009.
  • Y. Matsumoto, K. Fujii, A. Sugiura, and T. Murakami
    Impact of electromagnetic noises from PCs on the performance of MB-OFDM UWB device
    13th IEEE International Symposium on Consumer Electronics, pp. 430-433, Kyoto, May. 2009.
  • S. Ishigami, and M. Hirata
    A New Calibration Method for an Electric-field Probe using TEM Waveguides
    20th International Zurich Symposium on Electromagnetic Compatibility, (EMC Zurich 2009), ImTe-3, pp. 425-428, Jan 12-16, 2009.

Oral presentations (2008)

  • I. Wu, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Attenuation effect of the wall structure on the electric field generated by indoor power line communication system
    EMC Europe 2008, pp. 421-425, Hamburg, Sept. 8-12 2008.
  • K. Gotoh, Y. Matsumoto, H. Tsutagaya, and S. Kazama
    Evaluation of sensitivity of digital TV receiver subjected to intrasystem interference
    EMC Europe 2008, pp. 727-730, Hamburg, Sept. 8-12 2008.
  • Y. Matsumoto, K. Gotoh, and K. Wiklundh
    Band-limitation Effect on Statistical Properties of Class-A Interference
    EMC Europe 2008, pp. 715-719, Hamburg, Sept. 8-12 2008.
  • H. kamiya, M. Yamada, M. Tokuda, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Evaluation of Interference between MB-OFDM UWB and Wireless LAN Systems using a GTEM Cell
    2008 IEEE International Electromagnetic Compatibility Symposium, THU-PM-2-5, Detroit, August 18-22, 2008.
  • H. Abe, H. Tanaka, M. Tokuda, and S. Ishigami
    Optical Feeding Antenna with Wide Bandwidth foe Evaluation of Radiated Emission Test Sites above 1 GHz
    2008 IEEE International Electromagnetic Compatibility Symposium, WED-AM-6-OF-2, Detroit, August 18-22, 2008.
  • H. Kamiya, M. Yamada, S, Ishigami, K. Gotoh, and Y, Matsumoto
    A new method for measuring interference between UWB and wireless LAN systems
    2008 IEEE International Wireless Communications and Mobile Computing Conference (IWCMC), 03-11-02, Crete, Greece, August 6-8, 2008.
  • S. Ishigami, M. Yamada, K. Gotoh, Y. Matsumoto, and M. Tokuda
    A new method of interference evaluation between UWB system and wireless LAN using a GUEM Cell
    EURO EM, European Electromagnetics 2008, pp. 59-59 Lausanne, July 21-25, 2008.
  • H. Kamiya, M. Yamada, S. Ishigami, K. Gotoh, Y. Matsumoto, and A. Sugiura
    Evaluation of Interference between MB-OFDM UWB and Wireless LAN Systems using a GTEM Cell
    19th International Zurich Symposium on Electromagnetic Compatibility, TU-COM-1-3, pp. 100-103, Singapore, May. 19-22, 2008.
  • H. Abe, M. Tokuda, S. Ishigami
    Radiation characteristic of mono-conical antenna for sideband electromagnetic field
    19th International Zurich Symposium on Electromagnetic Compatibility, WE-AP-2-1, pp. 399-402, Singapore, May. 19-22, 2008.

Oral presentations (2007)

  • T. AdachiCY. TakaCO. FujiwaraCS. IshigamiCY. Yamanaka
    Reconstruction of discharge currents injected on calibration target from electrostatic discharge generators
    18th International Zurich Symposium on Electromagnetic Compatibility, Munich, Germany, Sept. 24-28, 2007.
  • M. Yamada, M. Tokuda, S. Ishigami, K. Gotoh, and Y. Matsumoto
    Evaluation of electromagnetic interference between UWB system and wireless LAN using a GTEM cell
    2007 IEEE International Electromagnetic Compatibility Symposium, TUAM44, Hawaii, July 9-13, 2007.
  • K. Gotoh, and Y. Matsumoto, S. Ishigami, T. Shinozuka, and M. Uchino
    Development and evaluation of a prototype multichannel APD measuring receiver
    2007 IEEE International Electromagnetic Compatibility Symposium, THPM6SS2, Hawaii, July 9-13, 2007.
  • Y. Matsumoto, K. Gotoh, S. Ishigami, and T. Shinozuka
    A Method for Estimating Dependence of Disturbance APD on Measurement Frequency
    EMC Europe workshop 2007 Paris, June 14-15, 2007.
  • K. Gotoh, Y. Matsumoto, S. Ishigami, and T. Shinozuka
    Performance evaluation of multicarrier wireless systems affected by a disturbance using amplitude probability distribution
    EMC Europe workshop 2007 Paris, June 14-15, 2007.
  • S. Ishigami, Y. Matsumoto, and K. Gotoh
    Effect of structure and materials of building on electromagnetic fields generated by in-door power line communication systems
    EMC Europe workshop 2007 Paris, June 14-15, 2007.
  • Y. Matsumoto
    Interference problems in a ubiquitous wireless network
    Department of Signals and Systems, Chalmers University of Technology, Gothenburg, Sweden, April 25, 2007.

Oral presentations (2006)

  • K. Gotoh
    Development and Applications of APD Measurement Method
    Swedish Defence Research Agency, Sweden, Sep. 13, 2006
  • Y. Matsumoto
    Spread Spectrum Clocking -Effect on Measured Noise Spectra and Impact on Digital Wireless Systems-
    Swedish Defence Research Agency, Sweden, Sep. 13, 2006.
  • T. Murakami, Y. Matsumoto, K. Fujii, and A. Sugiura
    Interference potentional of PC noises to ultla wideband communication systems
    EMC Europe 2006, pp. 807-810, Barcelona, Sep. 4-8, 2006.
  • Y. Matsumoto, T. Shimizu, T. Murakami, K. Fujii, and A. Sugiura
    Impact of frequency modulated harmonic noises on OFDM-based WLAN systems
    EMC Europe 2006, pp. 817-822, Barcelona, Sep. 4-8, 2006.
  • S. Ishigami, K. Gotoh, Y. Matsumoto
    Development of microwave electromagnetic environment measurement system in the UWB band
    EMC Europe 2006, pp. 802-806, Barcelona, Sep. 4-8, 2006.
  • K. Gotoh, S. Ishigami, Y. Matsumoto
    A method for evaluating the accuracies of APD measuring instruments
    EMC Europe 2006, pp. 723-728, Barcelona, Sep. 4-8, 2006.
  • I. MoriCO. FujiwaraCS. Ishigami
    Rise Time Limit of Discharge Current for Air Discharge of an ESD-gun 4th Asia-Pacific Conference on Environmental Electromagnetics (CEEM'2006)
    2P1-03, pp. 34-37, Dalian, China Aug. 1-4, 2006.
  • M. Marubashi, A. Ogata, K. Fujii, Y. Matsumoto, and A. Sugiura
    Measurement of amplitude and phase of FM noise currents on a personal computer chassis
    4th Asia Pacific Conference on Environmental Electromagnetics (CEEMf2006), pp. 218-221, Dalian, China Aug. 1-4, 2006.
  • A. Hirata, T. Kondo, O. Fujiwara, S. Ishigami
    FDTD Modeling of Air Discharge from an ESD-Gun 18th International Wroclaw Symposium and Exhibition on Electromagnetic Compatibility
    pp. 278-281, Wroclaw, Poland, Jun. 28, 2006.

 

Oral presentations (2005)

  • S. Ishigami, K.Gotoh, Y.Matsumoto
    Trend of ITU-R in quasi-millimeter wave UWB-technology The 3rd technical committee gApplication and deployment of millimeterwave technology
    the Institute of Electrical Engineers of Japan (IEEJ)
  • K. Gotoh
    Research direction for wireless communication EMC in NICT
    NICT-KMITL Joint Workshop on Wireless Access Technology, No.8, pp. 100-105, Thailand, Nov. 21, 2005.
  • Y. Matsumoto, K. Fujii, A. Sugiura
    Effects of Spread Spectrum Clocking on Measured Noise Spectra (invited)
    EMC Europe Workshop 2005 Electromagnetic Compatibility of wireless Systems, pp. 9-12 Rome, Sep. 2005.
  • S. Ishigami, K. Gotoh, Y. Matsumoto
    Peak power measurement of UWB systems in time domain
    EMC Europe Workshop 2005 Electromagnetic Compatibility of wireless Systems, pp. 375-378 Roma, Sep. 2005.
  • K. Gotoh, S. Ishigami, Y. Matsumoto, Y. Yamanaka, T. Shinozuka
    Utilization of APD for measurements of radiation from microwave ovens
    EMC Europe Workshop (Electromagnetic Compatibility of Wireless system), pp. 175-178 Roma, Italy, Sep. 2005.
  • T. Murakami, Y. Matsumoto, K. Fujii, A. Sugiura
    Interference in the Bluetooth wireless systems caused by electromagnetic disturbances from spread spectrum clock system
    EMC Europe Workshop 2005 Electromagnetic Compatibility of wireless Systems, pp. 399-402, Rome, Sep.19-21, 2005.
  • T. Shimizu, Y. Matsumoto, K. Fujii, A. Sugiura
    Performance Evaluation of IEEE802.11a WLAN Interfered by Spread Spectrum Noises from a PC Clock System IEEE 2005 International Symposium on Microwave, Antenna, Propagation and EMC Technologies For Wireless
    Communications (MAPE2005), pp. 1529-1532, Beijing, Aug. 8-12, 2005.

Oral presentations (2004)

  • Y. Yamanaka, T. Shinozuka, and K. Gotoh
    CISPR Project on the Definition of APD Measurement Functionality Including Background (INVITED)
    EMC EURO 2004, WS1.5, Sep. 2004.
  • T. Murakami, Y. Matsumoto, K. Fujii, A. Sugiura, Y. Yamanaka
    Performance analysis of Bluetooth system in the presence of microwave oven noise
    EMC EUROPE 2004, pp. 224-228, Eindhoven, Sep. 6-10, 2004.
  • M. Nakatsuka, Y. Matsumoto, K. Fujii, A. Sugiura
    Reduction of Microwave Oven Interference in DS-SS WLAN Systems Using Adaptive Filters
    EMC EUROPE 2004, pp. 229-233, Eindhoven, Sep. 6-10, 2004.
  • A. Ogata, Y. Matsumoto, K. Fujii, A. Sugiura
    Measurement of Radiated Noises from Personal Computers in the WLAN Frequency Band
    2004 Asia-Pacific Radio Science Conference, pp. 510-511, Quin-Dao, Aug. 24-27, 2004.
  • T. Shimizu, Y. Matsumoto, K. Fujii, A. Sugiura
    Performance Evaluation of the OFDM-based WLAN System Interfered by Radiated Noises from Personal Computers
    2004 Asia-Pacific Radio Science Conference, pp. 508-509, Quin-Dao, Aug. 24-27, 2004.
  • S. Ishigami, and Y. Yamanaka
    Time-domain Measurement of Electric Field Emitted from UWB Device within an Arbitrary Bandwidth by Using the Complex Antenna Factor
    EUROEM 2004 (Euro Electromagnetics), UWB11-3, pp.166-167, Jul. 2004.
  • S. Ishigami, and Y. Yamanaka
    Reconstruction of Electric-Field Waveform Radiated from UWB Device by Using the Complex Antenna Factor
    2004 International Symposium on Electromagnetic Compatibility, Sendai (EMC'04 SENDAI), 2C4-5, pp.41-44, Jun. 2004.
  • I. Mori, O. Fujiwara, S. Ishigami, and Y. Yamanaka
    Characteristic Measurement of Transient Current Injected by Air Discharge of an ESD-gun
    2004 International Symposium on Electromagnetic Compatibility, Sendai (EMC'04 SENDAI), 2D1-1, pp.41-44, Jun. 2004.
  • K. Gotoh, Y. Yamanaka, and T. Shinozuka
    Numerical Study on the Disturbance Measurements Related to the Performance of Digital Wireless Communication Systems
    2004 International Symposium on Electromagnetic Compatibility, Sendai (EMC'04 SENDAI), 1B1-2, pp.69-72, Jun. 2004.
  • International Symposium on EMC, pp M. Nakatsuka, Y. Matsumoto, K. Fujii, A. Sugiura
    Suppression of Microwave Oven Interference in DS-SS WLAN Systems Using Adaptive Filters
    2004 International Symposium on EMC, pp. 101-104, Sendai, June 1, 2004.
  • T. Murakami, Y. Matsumoto, K. Fujii, A. Sugiura,
    BER Analysis of Bluetooth System Interfered by Microwave Oven Noises
    2004 International Symposium on EMC, pp. 93-96, Sendai, June 1, 2004.