Patent ID: 9241366
Filing Date: 2016-01-19
CPC Classification: H04W,Y02B,Y02D

Claim Text:
1. A method, comprising: at a user equipment device (UE) comprising a first radio, wherein the first radio is configurable to operate according to a first radio access technology (RAT) and a second RAT: initiating wake-up procedures from a sleep mode to operate in the first RAT, wherein the wake-up procedures comprise: receiving a tune-away request associated with the second RAT while performing the wake-up procedures, wherein the tune-away request is received during either performing the crystal oscillator warm up or performing the radio frequency circuitry warm up; performing tune-away operations for the second RAT after performing the crystal oscillator warm up and the radio frequency circuitry warm up, but prior to performing the time tracking loop and/or frequency tracking loop operations; and performing the time tracking loop and/or frequency tracking loop operations after completing the tune-away operations for the second RAT.