資料7-F
July 28, 2014
Activity Report of URSI-F
Reported by Y. Maekawa (Chair)

1. Commission meetings in the period of April – July 2014
(For more detail, please see http://ursi-f.nict.go.jp/)(1)

No. 584 Meeting
Date: April 25, 2014

Place: Kanto Gakuin University (Kanagawa)Three papers were presented:
1.
2.
3.

(2)

Measurement of Enhanced Backscattering from Randomly Distributed Spherical Conductive Scatterers at60GHz (II)R&D of Passive Radar －Water Vapor Estimation Using Digital Terrestrial Broadcasting Wave－A Study on the Characteristics of Rain Attenuation Duration Time of Ku-Band Satellite Communications
Links in the Equatorial Region

No. 585 Meeting
Date: May 29-30, 2014

Place: Okinawa Industry Support Center (Okinawa)This meeting was held under the co-sponsorship of IEICE Technical Committees on AP and IEEE AP-S Japan
Chapter. Three papers relevant to the field of URSI-F were presented:
1.
2.
3.

Precise measurement method of propagation characteristics using the Digital Terrestrial Television
Broadcasting
Relationship between Rain Attenuation Duration Time of Ku-Band Satellite Communications Links andSpeeds of Rain Area Motion in Equatorial Region
Evaluation of Measurement Interval of Location Fingerprint in Location Estimation Method Based on
Propagation Characteristics

For more details, please see:(3)

No. 586 Meeting
Date: June 26, 2014

http://www.ieice.org/cs/ap/jpn/

Place: The University of Electro-Communications (Tokyo)

Three papers were presented:
1.
2.
3.

(4)

Measurement-based Radio Environment Database for High Efficient Spectrum Sharing
Analysis of Indoor Propagation Characteristics for Active Propagation Control
Experimental Study to confirm that a Transmit Beamforming of Wireless LAN Access Point with Some
Dipole Antennas Forms Only an Omni Directional Pattern in an Azimuth Plane －Example of Cisco
ClientLink which is a Kind of Implicit Feedback Transmit Beamforming of Wireless LAN Access Point
without Using a Dedicated Software and Hardware in a Client Terminal－

No. 587 Meeting
Date: July 24-25, 2014

Place: Gero Shimin-Kaikan (Gifu)

This meeting was held under the co-sponsorship of IEICE Technical Committees on AP and SAT, and IEEE AP-S
Nagoya Chapter. 17 papers relevant to the field of URSI-F were presented in the special sessions organized forrecent propagation issues:
1.
2.
3.
4.

Path Loss Variation Characteristics at Sub-millimeter Wave Band in Street microcell environment
Propagation measurements in time-varying channels via super-resolution algorithms
Characteristics of Urban Cellular Radio Channels at 11 GHz
A Study on Performance Evaluation of 2x2 MIMO channel for Inter-Terminal Radio Communications inLOS Propagation Environments資料7-F
5.
6.
7.
8.

9.
10.
11.
12.
13.
14.
15.
16.
17.

Performance Evaluation of 4x2MIMO channel for Indoor Environment with Propagation Path Shadowing
by Moving people
Diversity techniques to compensate rain attenuation for millimeter-wave satellite communicationsEvaluation of Impact of Interference on Broadcasting Satellite Services in Terms of Increase of Outage
Time Caused by Rain Attenuation
A Study of Rain Attenuation on Short-term Rainfall in Some Points with Different Yearly Rainfall Rates– A Basic Study for Compensation of Rain Attenuation by Locally Variable EIRP System for 21GHz-band
Broadcasting Satellites –Measurements on Overreach Propagation of FM and TV Broadcasting Waves from Korea
Precision measurement of the propagation characteristics using the Digital Terrestrial Television
Broadcasting – Measurement method using a single channel –Verification of Applicability of Modified Hata Model to 3 GHz Band
Reproducibility of Mobile Propagation Loss at 20GHz in 1/133 Scale Model for Residential Areas– Applied Conditions of Scale Model –Study of propagation channel Fading prediction algorithm
Study on Analysis Method of Outdoor-to-Indoor Radio Propagation – Hybrid Method of Ray-Tracing andPhysical Optics –On revision of indoor penetration loss in 3GPP modelCluster Power Variation Estimation Method in Crowded Indoor Propagation Environment
Antenna de-embedding and antenna-channel recombination of MIMO system: feasibility investigation inspherical wave domain

For more details, please see:

http://www.ieice.org/cs/ap/jpn/

2. Others
2014 Asian Workshop on Antennas and Propagation (AWAP) was held in Kanazawa, Ishikawa. Date: May 14-16,
2014.