| Paper Abstract and Keywords |
| Presentation |
2017-11-30 14:35
Efforts toward Transmission Experiments Utilizing Transponder of 21-GHz Band on Broadcasting Satellite
Masafumi Nagasaka, Susumu Nakazawa, Hisashi Sujikai, Shoji Tanaka (NHK) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The broadcasting satellite BSAT-4a was successfully launched on September 30th, 2017 (JST). BSAT-4a has a 21-GHz-band experimental transponder in addition to the 12-GHz-band broadcasting transponders using right- and left-hand circular polarization. We are planning to use the 21-GHz-band transponder for various experiments, for example, on wideband-transmission and rain-attenuation measurement. As one of the efforts toward the experiments, we fabricated a 21-GHz-band receiving antenna with a 1.5 m parabolic reflector. The receiving frequency is 21.4 to 22.0 GHz and the polarizations are right- and left-hand circular polarization. Measured results showed that the antenna gain and cross-polarization discrimination were more than 48 dBi and 32 dB, respectively. We also confirmed that the fabricated antenna satisfied the reference pattern of Rec. ITU-R BO.1900. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Satellite Broadcasting / 21-GHz band / Satellite Transponder / Parabolic Antenna / Receiving Antenna / / / |
| Reference Info. |
ITE Tech. Rep., vol. 41, no. 43, BCT2017-94, pp. 43-46, Nov. 2017. |
| Paper # |
BCT2017-94 |
| Date of Issue |
2017-11-23 (BCT) |
| ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
IEICE-CS IEICE-IE IPSJ-AVM BCT |
| Conference Date |
2017-11-30 - 2017-12-01 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
|
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
BCT |
| Conference Code |
2017-11-CS-IE-AVM-BCT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Efforts toward Transmission Experiments Utilizing Transponder of 21-GHz Band on Broadcasting Satellite |
| Sub Title (in English) |
|
| Keyword(1) |
Satellite Broadcasting |
| Keyword(2) |
21-GHz band |
| Keyword(3) |
Satellite Transponder |
| Keyword(4) |
Parabolic Antenna |
| Keyword(5) |
Receiving Antenna |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Masafumi Nagasaka |
| 1st Author's Affiliation |
NHK (NHK) |
| 2nd Author's Name |
Susumu Nakazawa |
| 2nd Author's Affiliation |
NHK (NHK) |
| 3rd Author's Name |
Hisashi Sujikai |
| 3rd Author's Affiliation |
NHK (NHK) |
| 4th Author's Name |
Shoji Tanaka |
| 4th Author's Affiliation |
NHK (NHK) |
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| Speaker |
Author-1 |
| Date Time |
2017-11-30 14:35:00 |
| Presentation Time |
25 minutes |
| Registration for |
BCT |
| Paper # |
BCT2017-94 |
| Volume (vol) |
vol.41 |
| Number (no) |
no.43 |
| Page |
pp.43-46 |
| #Pages |
4 |
| Date of Issue |
2017-11-23 (BCT) |