Transmitter with intelligent preconditioning of amplifier signal
US7940833B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2006 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Jul 6, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/465
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A transmitter (20) for a code division multiple access radio access network intelligently preconditions a channel-merged signal which is applied to its amplifier (22) so that the amplifier does not experience, e.g., precipitous power changes. The transmitter (20) comprises an amplifier (22) for amplifying the channel-merged signal at a signal output power; a detector (24) for performing detection of when output power of the channel-merged signal is about to change by a specified amount; and, a noise inserter (26) for adding a noise signal to the channel-merged signal in dependence upon the detection. Insertion of the noise smoothes an edge of the power change curve and thereby averts stress for the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.