An apparatus for use in processing a spread spectrum signal digitally sampled at a selected sampling rate comprises a despreading element (132) configured to receive and despread the digitally sampled signal at a centre frequency lower than the sampling rate and higher than zero; and an accumulation element (136) configured to accumulate the despread signal at the center frequency.
申请公布号
WO9859445(A1)
申请公布日期
1998.12.30
申请号
WO1998US12833
申请日期
1998.06.19
申请人
CELLNET DATA SYSTEMS, INC.
发明人
RAMBERG, ERIK, A.;FROELICH, ROBERT, K.;FULTON, FOREST, F.