Papers and letters (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, 2015 (to be published).

 

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

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 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. 1206-1212
CNov. 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 (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, EMCf09/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, EMCf09/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, EMCf09/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, EMCf09/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. AdachiCY. TakaCO. FujiwaraCS. IshigamiCY. 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, MoriCO. FujiwaraCS. 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 (CEEMf2006), 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AY.Matsumoto
Trend of ITU-R in quasi-millimeter wave UWB-technology
The 3rd technical committee gApplication and deployment of millimeterwave technologyh,
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