A sleep control system and method are provided that permit a reference clock and the direct sequence spread spectrum (DSSS) modem in a mobile station receiver to be turned off and turned back on at arbitrary points in time while still maintaining accurate base station system time. Accurate timing is...http://www.google.com/patents/US7403507?utm_source=gb-gplus-sharePatent US7403507 - System and method for recovering system time in direct sequence spread spectrum communications
