Patent · US Active

Transmit power control for base stations using multiple carrier power amplifiers

US8547842B2 · kind B2 · utility

0Cited by

3References

14Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Sofia Svedevall · Säter, SE
Benny Lennartson · Åtvidaberg, SE
Torsten Lind · Säter, SE

Key dates

Filing date	Sep 11, 2009
Grant date	Oct 1, 2013
Priority date	—
Expiry date	Jun 23, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04W52/30
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

In a method and a device for controlling the output power in a Base Transceiver Station adapted to transmit signals over an air interface using a power amplifier for multiple earners, the power of signals to be transmitted in an upcoming transmission time slot are added and compared to at least one threshold value. If the threshold is exceeded the output power is reduced. By implementing a power reduction scheme as set out above the risk for peak power effects is minimized at the same time as the dimensioning may be aggressive. This is made possible because no power will be backed off unless really needed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.