TY - GEN
T1 - Analysis of unnecessary radio wave near the inverter equipment at the carrier frequency-range of mobile terminal
AU - Miyazawa, Yasunori
AU - Tanaka, Satoshi
AU - Nishizawa, Masahiro
AU - Ma, Jingyan
AU - Yamaguchi, Masahiro
AU - Kondo, Koichi
AU - Nagata, Makoto
AU - Okiyoneda, Yasuyuki
N1 - Funding Information:
This was supported in part by Ministry of Internal affairs and telecommunication, Japan.
Funding Information:
The authors are grateful to Dr. T. Ohnishi, NTT DoCoMo for his comments on dipole antenna measurements. The authors are grateful to Keysight Technology for technical cooperation during measurement. This work was supported in part by the Development of Technical Examination Services Concerning Frequency Crowding, Ministry of Internal affairs and telecommunication, Japan, Micro system integration center, Tohoku University, & RIEC Cooperative Research Project, Tohoku University.
Publisher Copyright:
© 2017 IEEE.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2017/10/20
Y1 - 2017/10/20
N2 - In the 5th generation mobile communication system (5G), the carrier frequency range of mobile communication equipment will be extended to the 6 GHz band and higher, and the number of connected equipment is expected to reach 1 million units/km2. It is assumed that inverter and mobile communication devices are used in close proximity. On the other hand, with the widespread use of inverter equipment driven by a fast switching SiC or GaN device, the unnecessary radio wave can be emitted more from the inverter in the GHz band. In order to evaluate the influence of such unnecessary radio waves, we developed and measured the unnecessary radio waves emitted from inverter devices with high sensitivity, and confirmed its influence on wireless communication performance, using a wireless power transmission (WPT) system for electric vehicles as a test bench.
AB - In the 5th generation mobile communication system (5G), the carrier frequency range of mobile communication equipment will be extended to the 6 GHz band and higher, and the number of connected equipment is expected to reach 1 million units/km2. It is assumed that inverter and mobile communication devices are used in close proximity. On the other hand, with the widespread use of inverter equipment driven by a fast switching SiC or GaN device, the unnecessary radio wave can be emitted more from the inverter in the GHz band. In order to evaluate the influence of such unnecessary radio waves, we developed and measured the unnecessary radio waves emitted from inverter devices with high sensitivity, and confirmed its influence on wireless communication performance, using a wireless power transmission (WPT) system for electric vehicles as a test bench.
KW - 5 G
KW - CISPR
KW - inverter equipment
KW - unnecessary radio wave
KW - wireless communication device
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U2 - 10.1109/ISEMC.2017.8077881
DO - 10.1109/ISEMC.2017.8077881
M3 - Conference contribution
AN - SCOPUS:85039169652
T3 - IEEE International Symposium on Electromagnetic Compatibility
SP - 283
EP - 287
BT - 2017 IEEE International Symposium on Electromagnetic Compatibility, Signal and Power Integrity, EMCSI 2017 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2017 IEEE International Symposium on Electromagnetic Compatibility, Signal and Power Integrity, EMCSI 2017
Y2 - 7 August 2017 through 11 August 2017
ER -