Dynamic power control circuit of wireless communication device
US7336935B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2005 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Aug 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/245
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention is to provide a dynamic power control circuit for a wireless communication device, which comprises a power detector, a comparator, a low pass filter and an adder disposed between a radio frequency auto-gain control circuit and an antenna thereof. A reference voltage is imposed on the adder to enable the power detector to detect and output signal voltage to the comparator which compares the received voltage with a specified received voltage limit and outputs a reference voltage to the low pass filter for filtering out the noise of the reference voltage and outputting it to the adder. The adder then adds the reference voltage and the specified reference voltage, and outputs the result to the radio frequency auto-gain control circuit for controlling the output power corresponding to the strength of the received signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.