A sleep timing system for a wireless mobile station includes a circuitry that enables the mobile station to enter a low-power mode immediately upon command. The circuitry transitions the mobile station into the low-power mode without waiting for a next pseudo-random noise (PN) sequence roll boundary....http://www.google.de/patents/US6937578?utm_source=gb-gplus-sharePatent US6937578 - Fast-sleep configuration for CDMA slotted mode
