Weil Code Correlation Performance of GPS L1C Signal
Yao Wang · Radio and communications technology · 2013
Pseudo-random noise code is a basic composition of code division multiple access(CDMA) signals.It is important for signal design in CDMA-based wireless communication and navigation to find the pseudo-noise code with good correlation performance.Weil code,constructed via a Shift and Add procedure from the Legendre sequence,has good correlation properties and selectable sequence length flexible relatively and will be applied to GPS L1C.In this paper,the formation of Weil code is introduced and a comparison of theoretical correlation performance and sequence length characteristics between several typical pseudo codes is analyzed.The simulation on GPS L1Cs 126 Weil codes odd and even correlation properties are provided.The results show that the Weil code has good correlation performance at the sequence length of 10 230.