Digital radio frequency tranceiver system and method
US8260143B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2009 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Aug 23, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2096
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transceiver architecture for wireless base stations wherein a broadband radio frequency signal is carried between at least one tower-mounted unit and a ground-based unit via optical fibers, or other non-distortive media, in either digital or analog format. Each tower-mounted unit (for both reception and transmission) has an antenna, analog amplifier and an electro-optical converter. The ground unit has ultrafast data converters and digital frequency translators, as well as signal linearizers, to compensate for nonlinear distortion in the amplifiers and optical links in both directions. In one embodiment of the invention, at least one of the digital data converters, frequency translators, and linearizers includes superconducting elements mounted on a cryocooler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.