Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
AP 
20240411 13:25 
Hyogo 
KOBE PORT OASIS (Primary: Onsite, Secondary: Online) 
Longterm trends in rainfall extreme data in Japan Yoshio Karasawa AP20242 
We investigate the statistical properties of extreme rainfall data (annual maximum values) in Japan. Since rainfall char... [more] 
AP20242 pp.712 
AP 
20240411 13:50 
Hyogo 
KOBE PORT OASIS (Primary: Onsite, Secondary: Online) 
Statistics of the maximum rainfall for N years in Japan Yoshio Karasawa AP20243 
We investigate the statistical properties of extreme rainfall data (annual maximum values) in Japan. This report is a se... [more] 
AP20243 pp.1318 
AP 
20231214 15:20 
Tokyo 
KikaiShinkoKaikan Bldg. (Primary: Onsite, Secondary: Online) 
On Poynting Vector in Static Electromagnetic Field [III]
 Physical Meaning of Energy Flow Velocity  Yoshio Karasawa AP2023159 
The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the ene... [more] 
AP2023159 pp.2429 
AP 
20230901 10:00 
Tokyo 
KOZO KEIKAKU ENGINEERING Inc. (Primary: Onsite, Secondary: Online) 
Historical visit to three Nakagami distributions: Part 3: m distribution Yoshio Karasawa AP202372 
The three probability distributions, namely, n distribution, q distribution, and m distribution devised by Minoru Nakaga... [more] 
AP202372 pp.3136 
AP, SANE, SAT (Joint) 
20230713 15:50 
Hokkaido 
The Citizen Activity Center (Primary: Onsite, Secondary: Online) 
[Invited Lecture]
Historical visit to three Nakagami distributions: Part 2: q distribution Yoshio Karasawa AP202352 
The three probability distributions, namely, n distribution, q distribution, and m distribution devised by Minoru Nakaga... [more] 
AP202352 pp.115120 
AP 
20230615 15:45 
Tokyo 
KikaiShinkoKaikan Bldg. (Primary: Onsite, Secondary: Online) 
Historical visit to three Nakagami distributions: Part 1: n distribution Yoshio Karasawa AP202329 
The three probability distributions, namely, n distribution, q distribution, and m distribution devised by Minoru Nakaga... [more] 
AP202329 pp.2732 
AP 
20221020 11:45 
Gifu 
GIFU CITY CULTURE CENTER (Primary: Onsite, Secondary: Online) 
On Poynting Vector in Statistic Electromagnetic Field
 An image of energy flow mechanism  Yoshio Karasawa AP2022138 
The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the ene... [more] 
AP2022138 pp.193198 
AP, SANE, SAT (Joint) 
20220729 10:25 
Hokkaido 
Asahikawa Taisetsu Crystal Hall (Primary: Onsite, Secondary: Online) 
On Poynting Vector in Static Electromagnetic Field Yoshio Karasawa AP202255 
The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the ene... [more] 
AP202255 pp.119124 
AP 
20220218 14:55 
Online 
Online 
On Array Antenna Gain in CloselySpaced Arrangement Yoshio Karasawa AP2021177 
Theoretically, the gain of the array antenna fed inphase by the omnidirectional antenna elements will approach 1 as the... [more] 
AP2021177 pp.104109 
AP 
20200521 15:10 
Okinawa 
Tiruru Okinawa (Nahacity) (Cancelled, technical report was not issued) 
Consideration on mmWave Propagation Channel Modeling [I]
 Statistical analysis after ray tracing of propagation environment  Yoshio Karasawa 
Ray tracing is a promising tool for evaluating the millimeter wave propagation environment. In this report, we summarize... [more] 

AP 
20200521 15:35 
Okinawa 
Tiruru Okinawa (Nahacity) (Cancelled, technical report was not issued) 
Consideration on mmWave Propagation Channel Modeling [II]
 On multistate statistical propagation model including semiLOS environments  Yoshio Karasawa 
In terrestrial millimeterwave communication, since the lineofsight (LOS) and/or semiLOS (SLOS) propagation environme... [more] 

AP 
20200326 16:00 
Fukui 
Fukui College (Cancelled but technical report was issued) 
Revisit to Friis Transmission Formula [II]
 On Relation between Antenna Gain and Effective Area  Yoshio Karasawa AP2019203 
Friis's transmission formula is a basic formula that is the starting point for wireless transmission. Four years ago, we... [more] 
AP2019203 pp.3540 
RCS, SR, SRW (Joint) 
20200304 09:00 
Tokyo 
Tokyo Institute of Technology (Cancelled but technical report was issued) 
On Capacity of Massive MIMO in Maltiuser Operation [III]
 A Simple Calculation Scheme of Channel Capacity in SMST Transmission  Yoshio Karasawa RCS2019331 
In our previous report [1], we focused on the channel capability of Massive MIMO and investigated the relationship among... [more] 
RCS2019331 pp.5762 
AP 
20200221 11:25 
Shizuoka 
Shizuoka Univ. Hamamatsu Campus 
Random Walk and Wave Propagation Yoshio Karasawa AP2019190 
While doing a random walk, we visit some basic probability distributions that appear in radio wave propagation models. R... [more] 
AP2019190 pp.5357 
IT, SIP, RCS 
20200124 16:40 
Hiroshima 
Hiroshima City Youth Center 
On Capacity of Massive MIMO in Multiuser Operation [II]
 In the case of LOS environments  Yoshio Karasawa IT201985 SIP201998 RCS2019315 
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship among var... [more] 
IT201985 SIP201998 RCS2019315 pp.291296 
AP 
20191212 13:15 
Tokyo 
KikaiShinkoKaikan Bldg. 
On Capacity of Massive MIMO in Multiuser Operation Yoshio Karasawa AP2019142 
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship with the ... [more] 
AP2019142 pp.16 
AP 
20190821 14:35 
Hokkaido 
HokkaiGakuen Univ. 
Longterm Statistics of Maximum Rainfall in Japan based on Statistics of Extremes Yoshio Karasawa AP201949 
In the first half of this report, we evaluate longterm statistics of the largest rainfall data in each year concerning ... [more] 
AP201949 pp.1318 
WPT, AP (Joint) 
20190118 10:30 
Aichi 
Toyota Automobile Museum 
Channel Capacity of Massive MIMO in Fading Environments with Spatial Correlation [II]
 In the Case of NakagamiRice Fading  Yoshio Karasawa AP2018159 
In our previous report, we investigated the information transmission capability of Massive MIMO in Rayleigh fading envir... [more] 
AP2018159 pp.4550 
RCS, AP (Joint) 
20181120 14:40 
Okinawa 
Okinawa Industry Support Center 
[Invited Lecture]
Channel Capacity of Massive MIMO in Fading Environments with Spatial Correlation Yoshio Karasawa AP2018110 RCS2018187 
In space diversity, the spatial fading correlation between two adjacent branches of an array antenna leads to degradatio... [more] 
AP2018110 RCS2018187 pp.4752(AP), pp.5560(RCS) 
AP 
20181018 14:30 
Okayama 
Okayama Univ. 
Hilbert Transformation for Wireless Communications Yoshio Karasawa AP201892 
Although Hilbert transformation appears in various fields of signal generation and signal processing, such as communicat... [more] 
AP201892 pp.1924 