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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 135  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-04-11
13:25
Hyogo KOBE PORT OASIS
(Primary: On-site, Secondary: Online)
Long-term trends in rainfall extreme data in Japan
Yoshio Karasawa
(To be available after the conference date) [more]
AP 2024-04-11
13:50
Hyogo KOBE PORT OASIS
(Primary: On-site, Secondary: Online)
Statistics of the maximum rainfall for N years in Japan
Yoshio Karasawa
(To be available after the conference date) [more]
AP 2023-12-14
15:20
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
On Poynting Vector in Static Electromagnetic Field [III] -- Physical Meaning of Energy Flow Velocity --
Yoshio Karasawa AP2023-159
The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the ene... [more] AP2023-159
pp.24-29
AP 2023-09-01
10:00
Tokyo KOZO KEIKAKU ENGINEERING Inc.
(Primary: On-site, Secondary: Online)
Historical visit to three Nakagami distributions: Part 3: m distribution
Yoshio Karasawa AP2023-72
The three probability distributions, namely, n distribution, q distribution, and m distribution devised by Minoru Nakaga... [more] AP2023-72
pp.31-36
AP, SANE, SAT
(Joint)
2023-07-13
15:50
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
[Invited Lecture] Historical visit to three Nakagami distributions: Part 2: q distribution
Yoshio Karasawa AP2023-52
The three probability distributions, namely, n distribution, q distribution, and m distribution devised by Minoru Nakaga... [more] AP2023-52
pp.115-120
AP 2023-06-15
15:45
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Historical visit to three Nakagami distributions: Part 1: n distribution
Yoshio Karasawa AP2023-29
The three probability distributions, namely, n distribution, q distribution, and m distribution devised by Minoru Nakaga... [more] AP2023-29
pp.27-32
AP 2022-10-20
11:45
Gifu GIFU CITY CULTURE CENTER
(Primary: On-site, Secondary: Online)
On Poynting Vector in Statistic Electromagnetic Field -- An image of energy flow mechanism --
Yoshio Karasawa AP2022-138
The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the ene... [more] AP2022-138
pp.193-198
AP, SANE, SAT
(Joint)
2022-07-29
10:25
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
On Poynting Vector in Static Electromagnetic Field
Yoshio Karasawa AP2022-55
The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the ene... [more] AP2022-55
pp.119-124
AP 2022-02-18
14:55
Online Online On Array Antenna Gain in Closely-Spaced Arrangement
Yoshio Karasawa AP2021-177
Theoretically, the gain of the array antenna fed in-phase by the omnidirectional antenna elements will approach 1 as the... [more] AP2021-177
pp.104-109
AP 2020-05-21
15:10
Okinawa Tiruru Okinawa (Naha-city)
(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 2020-05-21
15:35
Okinawa Tiruru Okinawa (Naha-city)
(Cancelled, technical report was not issued)
Consideration on mmWave Propagation Channel Modeling [II] -- On multi-state statistical propagation model including semi-LOS environments --
Yoshio Karasawa
In terrestrial millimeter-wave communication, since the line-of-sight (LOS) and/or semi-LOS (SLOS) propagation environme... [more]
AP 2020-03-26
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 AP2019-203
Friis's transmission formula is a basic formula that is the starting point for wireless transmission. Four years ago, we... [more] AP2019-203
pp.35-40
RCS, SR, SRW
(Joint)
2020-03-04
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 RCS2019-331
In our previous report [1], we focused on the channel capability of Massive MIMO and investigated the relationship among... [more] RCS2019-331
pp.57-62
AP 2020-02-21
11:25
Shizuoka Shizuoka Univ. Hamamatsu Campus Random Walk and Wave Propagation
Yoshio Karasawa AP2019-190
While doing a random walk, we visit some basic probability distributions that appear in radio wave propagation models. R... [more] AP2019-190
pp.53-57
IT, SIP, RCS 2020-01-24
16:40
Hiroshima Hiroshima City Youth Center On Capacity of Massive MIMO in Multiuser Operation [II] -- In the case of LOS environments --
Yoshio Karasawa IT2019-85 SIP2019-98 RCS2019-315
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship among var... [more] IT2019-85 SIP2019-98 RCS2019-315
pp.291-296
AP 2019-12-12
13:15
Tokyo Kikai-Shinko-Kaikan Bldg. On Capacity of Massive MIMO in Multiuser Operation
Yoshio Karasawa AP2019-142
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship with the ... [more] AP2019-142
pp.1-6
AP 2019-08-21
14:35
Hokkaido Hokkai-Gakuen Univ. Long-term Statistics of Maximum Rainfall in Japan based on Statistics of Extremes
Yoshio Karasawa AP2019-49
In the first half of this report, we evaluate long-term statistics of the largest rainfall data in each year concerning ... [more] AP2019-49
pp.13-18
WPT, AP
(Joint)
2019-01-18
10:30
Aichi Toyota Automobile Museum Channel Capacity of Massive MIMO in Fading Environments with Spatial Correlation [II] -- In the Case of Nakagami-Rice Fading --
Yoshio Karasawa AP2018-159
In our previous report, we investigated the information transmission capability of Massive MIMO in Rayleigh fading envir... [more] AP2018-159
pp.45-50
RCS, AP
(Joint)
2018-11-20
14:40
Okinawa Okinawa Industry Support Center [Invited Lecture] Channel Capacity of Massive MIMO in Fading Environments with Spatial Correlation
Yoshio Karasawa AP2018-110 RCS2018-187
In space diversity, the spatial fading correlation between two adjacent branches of an array antenna leads to degradatio... [more] AP2018-110 RCS2018-187
pp.47-52(AP), pp.55-60(RCS)
AP 2018-10-18
14:30
Okayama Okayama Univ. Hilbert Transformation for Wireless Communications
Yoshio Karasawa AP2018-92
Although Hilbert transformation appears in various fields of signal generation and signal processing, such as communicat... [more] AP2018-92
pp.19-24
 Results 1 - 20 of 135  /  [Next]  
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