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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 55  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2021-10-07
09:00
Online Online [Tutorial Lecture] A Study on the Measurement and Estimation Methods of Rain Attenuation Characteristics in Satellite Communications Links
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2021-68
Rain attenuation characteristics of Ka and Ku band satellite communication links are presented using the domestic CS (19... [more] AP2021-68
pp.1-6
SAT 2021-10-08
11:00
Online Online Relationship between rain attenuation characteristics and rain area distribution on the propagation path of satellite communications links
Yasuyuki Maekawa,, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-49
Rain attenuation characteristics due to the passage of rain areas are discussed using the Ku-band BS satellite signal ob... [more] SAT2021-49
pp.32-35
WBS, RCC, SAT, MICT
(Joint) [detail]
2021-05-21
13:25
Online Online (Zoom) Relationship between cumulative time percentages and equivalent path lengths of rain attenuation in Ku-band satellite communication links
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) WBS2021-19 RCC2021-19 SAT2021-17
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] WBS2021-19 RCC2021-19 SAT2021-17
pp.101-106(WBS), pp.101-106(RCC), pp.89-94(SAT)
SAT 2020-12-11
09:25
Online Online Rainfall Attenuation Characteristics due to Typhoon and Rain Front Passage in Satellite Communications Links
Yasuyuki Maekawa, Shunichi Sasaki, Kosuke Yamasaki, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2020-24
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] SAT2020-24
pp.7-12
SAT 2019-10-11
09:00
Fukuoka JR HAKATA CITY {10F RoomA+B} Rain Attenuation Characteristics due to Typhoon Passage in Ku-band Satellite Links
Shunichi Sasaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2019-56
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] SAT2019-56
pp.51-54
SAT 2019-10-11
09:50
Fukuoka JR HAKATA CITY {10F RoomA+B} A Comparison between Long-term Rain Attenuation Statistics and ITU-R Prediction Methods in Ku-Band Satellite Links
Kosuke Yamasaki, Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) SAT2019-57
A remarkable increasing tendency of yearly rain attenuation statistics of cumulative time percentages is obtained from l... [more] SAT2019-57
pp.61-64
AP 2018-10-18
15:05
Okayama Okayama Univ. [Special Talk] Studies on Radiowave Propagation and Remote Sensing -- Experiencing both Research Fields --
Yasuyuki Maekawa (OECU)
 [more]
SAT, RCS
(Joint)
2018-08-09
09:30
Iwate Iwate University [Encouragement Talk] Characteristic Variations of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2018-29
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] SAT2018-29
pp.7-10
SAT, WBS
(Joint)
2018-05-24
13:55
Kagoshima Kagoshima University Recent Increasing Trend in Rain Attenuation Statistics of Ku-Band Satellite Communications Links
Yasuyuki Maekawa (Osaka Electro-Commun. Univ) SAT2018-3
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] SAT2018-3
pp.11-14
SAT 2017-10-26
15:15
Okinawa Okinawa Cellular Telephone Company Yearly Variation of Rain Attenuation Characteristics of Ku-Band Satellite Communications Links in the Tropical Region
Yasuyuki Maekawa, Yu Nishimura, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2017-45
Four-year rain attenuation statistics from January 2003 to September 2006 are obtained for both up and down links of Ku-... [more] SAT2017-45
pp.51-54
SAT 2017-10-26
15:40
Okinawa Okinawa Cellular Telephone Company Recent Tendencies of Increase in Yearly Cumulative Time Percentages of Rain Attenuation in Ku-Band Satellite Communications Links
Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2017-46
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] SAT2017-46
pp.55-58
AP 2017-10-19
14:25
Aomori Hchinohe-Shoukou-Kaikan Statistical Analyses of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2017-96
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] AP2017-96
pp.11-14
AP, SAT, SANE
(Joint)
2017-07-27
10:35
Aichi Nagoya Institute of Technology Estimation of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) AP2017-53 SAT2017-9
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] AP2017-53 SAT2017-9
pp.47-50(AP), pp.19-22(SAT)
AP, SAT, SANE
(Joint)
2017-07-27
11:00
Aichi Nagoya Institute of Technology A Study on Rain Attenuation Characteristics of Ku-Band Up- and Down-Link Satellite Communications in the Tropical Region
Yu Nishimura, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.-Commun. Univ.) AP2017-54 SAT2017-10
Four-year rain attenuation statistics from January 2003 to September 2006 are obtained for both up and down links of Ku-... [more] AP2017-54 SAT2017-10
pp.51-54(AP), pp.23-26(SAT)
AP, SAT, SANE
(Joint)
2017-07-27
11:25
Aichi Nagoya Institute of Technology A Study on Relationship between Ground Wind Velocity around the Earth Station and Rain Attenuation Observation at 3 Locations in Ku-Band Satellite Communications Links
Asuka Ikunami, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2017-55 SAT2017-11
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] AP2017-55 SAT2017-11
pp.55-58(AP), pp.27-30(SAT)
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University Characteristics of Rapid Change in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.)
Characteristics of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by th... [more]
AP 2017-04-20
15:15
Osaka Osaka university Relationship between Tropospheric Scintillation and Atmospheric Turbulence in High Elevation Angle Satellite Communications Links
Yasuyuki Maekawa (Osaka Electro-Comun. Univ.) AP2017-9
Variations of Ku-band satellite signal level with periods from a few to a few ten minutes caused by tropospheric scintil... [more] AP2017-9
pp.47-50
AP, WPT
(Joint)
2017-01-19
13:20
Hiroshima Hiroshima Institute of Technology Estimation of Changes in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun, Univ.) AP2016-131
Rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by thunder- storm events... [more] AP2016-131
pp.13-16
AP, SAT, SANE
(Joint)
2016-07-22
10:20
Hokkaido Otaru port marina Long-term Statistics of Changes in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Thunderstorm
Yasuyuki Maekawa (Osaka Eletcro-Com. Univ.) AP2016-57 SAT2016-23
Rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by thunder- storm events... [more] AP2016-57 SAT2016-23
pp.115-118(AP), pp.69-72(SAT)
AP, SAT, SANE
(Joint)
2016-07-22
10:55
Hokkaido Otaru port marina Long-term Statistics of Rain Attenuation and Their Recent Trend in Ku-Band Satellite Communications Links
Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Com. Univ.) AP2016-58 SAT2016-24
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] AP2016-58 SAT2016-24
pp.119-122(AP), pp.73-76(SAT)
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