公开(公告)号：HK1066644A1

公开(公告)日：2005-03-24

申请号：HK04109552

申请日：2004-12-02

Applicant: QUALCOMM INC

Inventor： TAO LI T ,  HOLENSTEIN CHRISTIAN ,  INYUP KANG I ,  WALKER BRETT C ,  PETERZELL PAUL E ,  CHALLA RAGHU ,  SEVERSON MATTHEW L

IPC: H03G1/00 ,  H03D20090101 ,  H03G20090101 ,  H03G3/20 ,  H03G3/30 ,  H04B20090101 ,  H04L27/22 ,  H04L27/38

Abstract: An apparatus and method in a wireless communication system, the apparatus comprising: first means for amplifying a received signal; means for cancelling a DC offset in the amplified signal; second means for digitally amplifying the DC offset cancelled signal; and means for measuring the digitally amplified signal and to control the gains of the first and second amplifying means.