Rapid Hybrid'Code Acquisition Scheme In Ds/Cdma Systems

The rapid hybrid acquisition of PN sequences is proposed for DS/CDMA systems., The system introduces the excision CFAR method into the background power estimation. A mathematical analysis is done for the single path and multipath environments. The detection performance of the proposed scheme is compared with that of other acquisition schemes. Results show that the proposed method has better detection performance if the excision coefficient is properly selected.