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Activity Report of URSI-F
September 18, 2020
Reported by Motoyuki Sato (Chair)
1. Commission meetings in the period of July 2018- March 2019
June 20, 2019 The University of Electro-Communications, Chofu, Tokyo
6 committee members attended
Schedule of meetings in FY 2019
Discussion on URSI-JRSM2019
December 25, 2019, NICT , Koganei, Tokyo
5 committee members attended
Schedule of meetings in FY 2020
Discussion on URSI-GASS2020
2. Meetings(For more detail, please see http://ursi-f.nict.go.jp/)(1) No. 633 Meeting May 7, 2019, Tokyo Tech Front, Tokyo Institute of Technology, Ookayama,Tokyo[1] Examination of the clutter loss for urban areas in millimeter wave and visible light[2] Cluster Frequency Dependency Analysis in Indoor Environments at Microwave andMillimeter Wave Bands
Special session for Memorial of Prof. Takehiko Kobayashi[1] Radio wave propagation experiment with Prof. Takehiko Kobayashi[2] In memory of Prof. Takehiko Kobayashi -UWB Research and Space Science(2) No.634 Meeting 16 May, 2019, Kanpo-no Yado Arima, Kobe, Hyogo
This meeting was co-sponsored by IEICE Technical Committee on AP and IEEE AP-S Kansai JointChapter.
URSI-F Special Lecture[1] Time-spatial propagation model for cell design by using 2-dimenzional massive MIMO
arranged on vertical and horizontal planes
Teruya Fujii (Titech)(3) No.635 Meeting June 20, 2019, The University of Electro-Communications, Chofu, Tokyo[1] Prediction of Rain Attenuation of Millimeter-Wave Radio by Hybrid T-matrix Approach資料12-F[2] Experimental Study of Finding out Decreased Transmission Power on Client Terminals inOrder to Operate Uplink Multi-User Transmission Properly in IEEE 802.11ax Wireless LAN[3] Channel Capacity of Massive MIMO in Correlated Fading Environments(4) No. 636 Meeting July 17-19, 2019, Sakura Hall, Tohoku University, Miyagi, Sendai
This meeting is co-sponsored by IEICE Technical Committee on AP and IEEE AES Society JapanChapter.
[1] High-resolution horizontal permittivity distribution estimation of pavement using arrayground penetrating radar[2] Examination of Dependency of Elastic Modulus of Concrete on Vibration Displacement byVibro-Radar Method[3] Development of RC Doppler radar for hand drill tip monitoring[4] Antenna Design of a Passive Cooperative Target For concrete temperature monitoring[5] Study on Miniaturization of Bowtie Antenna with Folded Structure for Ground Penetrating
Radar[6] Application of Cross -Bowtie Antenna to Detection of Buried Pipes by GPR[7] Propagation Loss Estimation considering Ray Tracing Results for Deep Learning Input Data
[8] Development of Radio Propagation Channel Model for Millimeter-Wave Indoor MultiGigabit Access Links[9] Additional Loss of Each Arrival Angle at 4.7 GHz and 26.4 GHz Bands in Crowded
Environments[10] Propagation Characteristics in a L-shaped Corridor by Antenna Directivity at 28 GHz Band
(5) No. 637 Meeting
Adjournment due to URSI-JRSM 2019(6)

No. 638 Meeting October 17, 2019, Sigma Hall, Toyonaka Campus, Osaka University,Toyonaka-shi, Osaka
This meeting is co-sponsored by IEICE Technical Committee on AP and IEEE AP-S Kansai JointChapter.
URSI-F Special Lecture[1] Remote vital sensing with mm-wave UWB radar
Toru Sato, Takuya Sakamoto (Kyoto Univ.)(7) No. 639 Meeting Nobember 20-22, 2019, Honjo-Campus, Saga University, Saga-city, Saga
This meeting is co-sponsored by IEICE Technical Committee on AP, IEICE Technical Committee on

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Radio Communication Systems, and IEEE AP-S Fukuoka Chapter.
[1] Proposal of location estimation with high resolution using unmanned aerial vehicle[2] Simultaneous Heartbeat Detection of Multiple Targets Using Amplitude EquivalentComponent in Pseudo-Arctangent Demodulation[3] Measurement of Diffused Scattering on Rough-Surface Walls and Intra-Cluster Modeling atMillimeter-Wave band(8) No. 640 Meeting December 25, 2019, NICT , Koganei, Tokyo[1] Experimental Study Based on Monte Carlo Method to Estimate the Reduction Range ofTransmission Power Control at Client Terminals in IEEE 802.11ax Uplink Multi-UserTransmission[2] Rain Attenuation Fluctuation Characteristics due to Typhoon Passage in Ku-band SatelliteLinks(9) No. 641 Meeting January 23-24, 2020, Sunport Hall Takamatsu, Takamatsu-shi, Kagawa
This meeting is co-sponsored by IEICE Technical Committee on AP, IEICE Technical Committee onWPT, and IEEE AP-S Kansai Joint Chapter.
[1] Examination of the Mechanism of Building Penetration Loss of UHF band by Scale Model[2] Analysis of Estimation Error by Position Mismatch on Machine-Learning Path LossPrediction in Urban Environment[3] A study on propagation modeling of urban low altitude environment(10) No. 642 Meeting
Adjournment due to COVID-19(11) No. 643 Meeting
Adjournment due to COVID-19(12) No. 644 Meeting
Adjournment due to COVID-19(13) No. 645 Meeting
Adjournment due to COVID-19(14) No. 646 Meeting July 15-17, 2020, Online

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This meeting is co-sponsored by IEICE Technical Committee on AP, IEICE Technical Committee onSANE, IEICE Technical Committee on SAT, and IEEE AES Society Japan Chapter.
[1] Radio Wave Propagation Model for Radiozone Design at High Frequency Band
3. Others