Abstract: A PN sequence is a reference signal simulating the random samples of discrete digital information and generates the samples in a specific manner so that it follows the correlation property. A correlation and maximal length sequence of pseudo-random signals is the basis of spread spectrum communication systems intern CDMA. In this paper we examine a comparative study of PN sequence with theoretically measured correlation function at different value of total sequence.

Keywords: PN sequence, Autocorrelation Sequence, Cross-correlation Sequence, Spread Spectrum Modulation, LFSR circuit analysis