Method and apparatus to provide a pseudo random noise (PN) sequence having a particular code phase offset for use in a radio in a Code Division Multiple Access (CDMA) radio system (100). In one embodiment, a first mask (320) is applied to shift a reference PN sequence to the assigned PN code phase (416)....http://www.google.ca/patents/US6246676?utm_source=gb-gplus-sharePatent US6246676 - Method and apparatus for implementing PN masks for a truncated M-sequence
