High precision signal processing in a PC software receiver

This paper describes the Institute of Geodesy and Navigation PC-based Experimental Software Receiver (ipexSR) which is a high-bandwidth dual-frequency L1/L2 C/A code software receiver. The presentation briefly touches upon on signal tracking using multipath mitigation techniques, cycle slip detection and RTK positioning. The receiver is continuously updated and this represents the receiver status from March 2005. Recent improvements are precise Doppler prediction from the navigation processor to aid signal acquisition, RINEX output, and the multi-correlator capability.