Linearization apparatus for linear automatic gain control in a mobile communication terminal and method for controlling the same
US6983133B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 6, 2002 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Apr 11, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/0475
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed is a linearization method in a mobile communication terminal wherein automatic gain control signals are divided into a plurality of entry regions, and which includes an initial value for a first entry region among the plurality of entry regions, a resolution constant and a slope character value for each entry region for generating a linear automatic gain control signal which guarantee a linearity of amplification gain of an amplifier. The linearization method comprises the steps of: detecting a corresponding entry region using a preset number of bits from the automatic gain control signal which is represented by a plurality of bits and detecting a position value of the detected entry region using the remaining bits except the preset number of bits; generating an initial value of a second entry region using the initial value of the first entry region, an entry region size value and a slope value of the first entry region presented by the resolution constant and a slope character value of the first entry region, and then sequentially generating initial values of the following entry regions using an initial value of a previous entry region, the entry region size value, a slo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.