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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| IN, RCS, NV (Joint) |
2018-05-10 11:15 |
Kanagawa | Keio University | Digital Transmission Analysis from Propagation Viewpoint [II]
-- BER due to ISI in MRC Diversity Reception -- Yoshio Karasawa RCS2018-25 |
By extending the equivalent transmission-path (ETP) model, which is a scheme to evaluate BER due to ISI in SISO systems,... [more] | RCS2018-25 pp.19-24 |
| RCS, SR, SRW (Joint) |
2018-02-28 16:50 |
Kanagawa | YRP | Digital Transmission Analysis from Propagation Viewpoint Yoshio Karasawa RCS2017-341 |
In order to investigate the physical limit of digital transmission in multipath environments, in our previous reports, w... [more] | RCS2017-341 pp.137-142 |
| AP | 2017-10-19 14:00 |
Aomori | Hchinohe-Shoukou-Kaikan | On Spread Factor as a Propagation Parameter Yoshio Karasawa AP2017-95 |
In order to investigate the physical limit of digital transmission in multipath environments, in our previous reports, w... [more] | AP2017-95 pp.7-10 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 15:10 |
Hokkaido | Hokkaido Univ. | Channel Capacity in Doubly-Selective Fading Environments [III]
-- For Application to Adaptive Baseband Radio -- Yoshio Karasawa RCS2017-102 |
Under a time-invariant condition with thermal noise, the physical limit of digital transmission ability is governed by S... [more] | RCS2017-102 pp.55-60 |
| AP | 2017-02-16 16:15 |
Tochigi | Tochigiken-sougou-bunnka Center | Channel Capacity in Doubly-Selective Fading Environments [II]
-- Is propagation impairment truly irreducible in underspread WSSUS channel? -- Yoshio Karasawa AP2016-166 |
Under a time-invariant condition with thermal noise, the physical limit of digital transmission ability is governed by S... [more] | AP2016-166 pp.55-60 |
| AP, WPT (Joint) |
2017-01-19 15:20 |
Hiroshima | Hiroshima Institute of Technology | Channel Capacity in Doubly-Selective Fading Environments Yoshio Karasawa AP2016-136 |
Under a time-invariant condition with thermal noise, the physical limit of digital transmission ability is governed by S... [more] | AP2016-136 pp.39-44 |
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