MULTI-BAND DPD, GAIN AND STANDING WAVE DETECTION CONTROL METHOD

WIPO Patent Application WO/2012/122847

A1

Disclosed is a multi-band DPD, gain and standing wave detection control method, including: searching for a first band identifier, and if it is found, then obtaining the current band to be processed; configuring the feedback local oscillation of the current band; detecting whether or not the local oscillation is locked, and if so, then switching a radio frequency switch to the current band feedback signal access end; triggering the DPD data acquisition and the statistical analysis of the forward and feedback powers; if a first FPGA power statistic update mark is detected, then reading the forward and feedback powers to perform gain control; detecting the running state of the DPD, and if the coefficient update of the DPD has been completed, then switching the radio frequency switch to a reflection signal access end; performing statistical analysis of the reflection power, and if a second FPGA power statistic update mark is detected, then reading the reflection power to calculate the standing wave ratio; and providing a second band identifier to the current band, with the band identifier being used for identifying the band that has been processed and another band to be processed. The utilization rate of the system is improved.

SONG WEIQING (CN)
LU HUI (CN)
LIU ZHI (CN)
BAO CAIJUN (CN)

PCT/CN2011/084785

September 20, 2012

December 28, 2011

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COMBA TELECOM SYSTEMS GUANGZHOU LTD (CN)
SONG WEIQING (CN)
LU HUI (CN)
LIU ZHI (CN)
BAO CAIJUN (CN)

H04B17/00; G01R27/06

CN102223189A	2011-10-19
CN101895493A	2010-11-24
US20090033418A1	2009-02-05

ADVANCE CHINA I. P. LAW OFFICE (CN)
广州华进联合专利商标代理有限公司 (CN)

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