Uplink frequency multiplexing system
US7869802B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2008 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Jul 17, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/18515
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A satellite-borne transponder for two or more uplink service areas, includes uplink antennae, a low noise amplifier and a converter for each uplink antenna, input filters, amplification chains, each amplification chain including a channel amplifier, a high power amplifier, and an output filter, and a downlink antenna for an associated downlink service area. The transponder associates uplink antennae to an uplink service area, the number of antennae being determined by a preset Figure of Merit for each uplink service area. The transponder also includes at least one input multiplexer including a passband filter for each reception chains, each reception chain including an uplink antenna, a low noise amplifier, and a converter linked to the multiplexer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.