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Technical Committee on Antennas and Propagation (AP)
Chair: Qiang Chen (Tohoku Univ.) Vice Chair: Satoru Kurokawa (AIST)
Secretary: Takuji Arima (Tokyo Univ. of Agric. & Tech.), Koshiro Kitao (NTT DOCOMO)
Assistant: Dr. Kim (Niigata Univ.)

===============================================
Technical Committee on Wireless Power Transfer (WPT)
Chair: Toshio Ishizaki (Ryukoku Univ.)
Secretary: Takafumi Fujimoto (Nagasaki Univ.), Kazuhiro Fujimori (Okayama Univ.)
Assistant: Osamu Kagaya (AGC), Yoshiaki Narusue (Univ. of Tokyo)

DATE:
Thu, Jan 21, 2021 13:05 - 17:20
Fri, Jan 22, 2021 09:45 - 16:15

PLACE:
Online

TOPICS:


----- Opening Address ( 5 min. ) -----

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Thu, Jan 21 PM (13:05 - 14:20)
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(1)/AP 13:05 - 13:30
[Invited Lecture]
[Invited Lecture]Evaluation of propagation loss considering building influence at 0.9/2.3/5.1GHz band
Yuki Igarashi, Kentaro Nishimori (Niigata Univ.), Yasunori Shimazaki (Panasonic), Ryotaro Taniguchi, Yuta Mizuno (Niigata Univ.)

(2)/AP 13:30 - 13:55
[Invited Lecture]
[Invited Lecture]Proposal of a simple outdoor to indoor penetration propagation loss model considering horizontal and vertical incident angles in the 0.9/2.3/5.1GHz band
Yuta Mizuno, Kentaro Nishimori, Ryotaro Taniguchi, Yuki Igarashi (Niigata Univ.)

(3)/AP 13:55 - 14:20
[Invited Lecture]
Delay Spread and Angular Spread up to 100 GHz band in an Indoor Environment
Mitsuki Nakamura, Koshiro Kitao, Hironori Ishikawa, Yasuhiro Oda (NTT DOCOMO)

----- Break ( 10 min. ) -----

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Thu, Jan 21 PM (14:30 - 15:20)
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(4)/AP 14:30 - 14:55
A measurement of deployable center-fed reflectarray antenna
Hiromasa Nakajima, Shinichi Yamamoto, Michio Takikawa, Syuji Nuimura, Yoshio Inasawa (Mitsubishi Electric Corp.)

(5)/AP 14:55 - 15:20
Backward radiation reduction of a conical horn antenna using corrugated structures
Shunya Akiyoshi, Takeshi Fukusako, Ryuji Kuse (Kumamoto Univ.), Masanobu Hirose, Satoru Kurokawa (7G aa)

----- Break ( 10 min. ) -----

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Thu, Jan 21 PM (15:30 - 16:20)
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(6)/AP 15:30 - 16:20
[Tutorial Lecture]
Practical Decoupling Circuits for Two-Element Antenna Array
Kengo Nishimoto, Hidetoshi Makimura, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric)

----- Break ( 10 min. ) -----

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Thu, Jan 21 PM (16:30 - 17:20)
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(7) 16:30 - 17:20
[Special Lecture] An Experimental Study to Estimate the Reduction Range of Transmission Power Control at Client Terminals in IEEE 802.11ax Uplink Multi-User Transmission Using OFDMA

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Fri, Jan 22 AM (09:45 - 11:00)
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(8)/AP 09:45 - 10:10
[Invited Lecture]
A propagation model for urban sky area
Wataru Yamada, Nobuaki Kuno, Minoru Inomata, Motoharu Sasaki (NTT), Kentaro Nishimori (Niigata Univ.)

(9)/AP 10:10 - 10:35
[Invited Lecture]
Vegetation Attenuation Characteristics at the 920 MHz Band in Farm Field
Minoru Inomata, Wataru Yamada, Shoko Shinohara, Yusuke Asai (NTT)

(10)/AP 10:35 - 11:00
[Invited Lecture]
5GHz Band Radio Wave Propagation Analysis Considering Directivity of Multiple Antennas on Mining Bulldozer
Katsutoshi Izawa, Masahiko Fujioka, Yasuhiro Kawamoto (Komatsu)

----- Break ( 10 min. ) -----

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Fri, Jan 22 AM (11:10 - 12:00)
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(11)/AP 11:10 - 11:35
[Invited Lecture]
Path Loss Variation Prediction at 2-26 GHz Band using LSTM
Motoharu Sasaki, Nobuaki Kuno, Toshiro Nakahira, Minoru Inomata, Wataru Yamada, Takatsune Moriyama (NTT)

(12)/AP 11:35 - 12:00
[Invited Lecture] Modeling for radio propagation analysis by quantum computing
Tetsuro Imai (TDU), Wataru Yamada, Minoru Inomata, Nobuaki Kuno (NTT)

----- Lunch ( 60 min. ) -----

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Fri, Jan 22 PM (13:00 - 14:15)
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(13)/WPT 13:00 - 13:25
An experiment of a 461.25 [MHz] radio wave wireless power transfer
Keitaro Omura, Takuya Komatsu, Norimasa Nakashima (FIT)

(14)/WPT 13:25 - 13:50
Temporal Variation of an Open Voltage Obtained by an AM Radio Broadcasting Rectenna
Takuya Komatsu, Keitaro Omura, Norimasa Nakashima (FIT)

(15)/WPT 13:50 - 14:15
Examination of Matching Circuit Impedance on High-Efficiency Operating RF-DC Conversion Circuits
Kensuke Kobayashi, Kazuhiro Fujimori (OU)

----- Break ( 10 min. ) -----

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Fri, Jan 22 PM (14:25 - 15:15)
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(16)/AP 14:25 - 14:50
[Invited Lecture]
Target Enumeration Based on Spectral Processing in MIMO Radar
Kazuki Numazaki, Naoki Honma, Nobuyuki Shiraki, Kentaro Murata (Iwate Univ.), Takeshi Nakayama, Shoichi Iizuka (Panasonic)

(17)/AP 14:50 - 15:15
[Invited Lecture]
Blind passive channel estimation for microwave power transfer
-- Power smoothing of correlation matrix including rectenna backscattered waves --
Shinnosuke Kondo, Shota Odajima, Kentaro Murata, Naoki Honma (Iwate Univ.)

----- Break ( 10 min. ) -----

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Fri, Jan 22 PM (15:25 - 16:15)
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(18) 15:25 - 16:15


----- Closing Address ( 5 min. ) -----

# Information for speakers
General Talk will have 20 minutes for presentation and 5 minutes for discussion.
Tutorial Lecture will have 45 minutes for presentation and 5 minutes for discussion.
Special Talk will have 45 minutes for presentation and 5 minutes for discussion.

# CONFERENCE SPONSORS:
- This conference is co-sponsored by URSI-F and IEEE AP-S Tokyo Chapter.


=== Technical Committee on Antennas and Propagation (AP) ===
# FUTURE SCHEDULE:

Thu, Feb 18, 2021 - Fri, Feb 19, 2021: Online [Tue, Dec 15], Topics: Industrial Session, Antennas and Propagation
Fri, Mar 26, 2021: Online [Fri, Jan 15], Topics: Antennas and Propagation
Fri, Apr 16, 2021: Kinosaki International Arts Center [Mon, Feb 15], Topics: Antennas and Propagation

# SECRETARY:
Takuji Arima (Tokyo Univ. Agri. Tech.)
E-mail: _-cry

=== Technical Committee on Wireless Power Transfer (WPT) ===
# FUTURE SCHEDULE:

Thu, Mar 4, 2021 - Fri, Mar 5, 2021: Online [Fri, Jan 15]
Fri, Apr 16, 2021: Online [Wed, Feb 17], Topics: Wireless Power Transfer, Microwave

# SECRETARY:
Kazuhiro Fujimori (Okayama Univ.)
wpt


Last modified: 2021-01-21 13:52:24


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