On Pseudo-Random and Orthogonal Binary Spreading Sequences

  title={On Pseudo-Random and Orthogonal Binary Spreading Sequences},
  author={Abhijit Mitra},
Different pseudo-random or pseudo-noise (PN) as well as orthogonal sequences that can be used as spreading codes for code division multiple access (CDMA) cellular networks or can be used for encrypting speech signals to reduce the residual intelligence are investigated. We briefly review the theoretical background for direct sequence CDMA systems and describe the main characteristics of the maximal length, Gold, Barker, and Kasami sequences. We also discuss about variableand fixed-length… CONTINUE READING
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