| タイトル | Concepts for 18/30 GHz satellite communication system study. Executive summary |
| 本文（外部サイト） | http://hdl.handle.net/2060/19800003032 |
| 著者（英） | Cuccia, L.; Baker, M.; Mitchell, C.; Davies, R. |
| 著者所属（英） | Ford Aerospace and Communications Corp. |
| 発行日 | 1979-11-01 |
| 言語 | eng |
| 内容記述 | An examination of a multiplicity of interconnected parameters ranging from specific technology details to total system economic costs for satellite communication systems at the 18/30 GHz transmission bands are presented. It was determined that K sub A band systems can incur a small communications outage during very heavy rainfall periods and that reducing the outage to zero would lead to prohibitive system costs. On the other hand, the economics of scale, ie, one spacecraft accommodating 2.5 GHz of bandwidth coupled with multiple beam frequency reuse, leads to very low costs for those users who can tolerate the 5 to 50 hours per year of downtime. A multiple frequency band satellite network can provide the ultimate optimized match to the consumer performance/economics demands. |
| NASA分類 | COMMUNICATIONS AND RADAR |
| レポートNO | 80N11279
NASA-CR-159680
WDL-TR8457 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/174183 |
