CLAIMS
1. A method for wireless communications by a user equipment (UE), comprising:
entering a discontinuous reception (DRX) mode wherein the UB alternates between
an activity period'and an inactivity period while connected to-a first radio access technology
(RAT) network;
tuning away from the first RAT network-for'a tune away period to monitor signals in
a second RAT network;.
determining when an inactivity timer for the DRX-mode expires or will expire; and adjusting a value of the inactivity timer based, at least in part, on the determination.
2. . The method of claim 1, wherein the first R AT network comprises a long term
evolution (LTE) network;
3. The method of claim 1, wherein the second RAT network comprises at least one of: a global system for mobile communications (GSM), IxRTT, time division synchronous code division multiple access (TD-SCDMA) network, or wideband CDMA (WCDMA).
4. The method of claim 1, wherein the DRX mode comprises a radio resource control (RRC) connected state DRX (CDRX) mode.
5. The method of claim 1, wherein:
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away period; and
adjusting the value of the inactivity timer comprises resetting the value of the inactivity timer to an initial value, a default value, or a predetermined value when the UE tunes back to the first RAT network after the tune away period.
6. The method of claim 1, wherein:
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away period; and
adjusting the value of the inactivity timer comprises setting the value of the inactivity timer to a TCDRXawake value.
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7. ■ The method of claim 6, wherein the TCDRXawake value is less than a threshold value for the TCDRXawake' value.
8. ' The method of ciaim 7, wherein the TCDRXawake value is equal to a minimum of the inactivity timer or a sum of % value of anoffset and a value of another timer.
9. The method of claim 8,. wherein the value of the offset comprises a .
drxcyclestait__offset value and the value of the another timer comprises a value of an
onDuiation timer.
IG. An;apparatus for wireless communications by a user equipment (IJE), comprising:
means for entering a discontinuous reception (DRX) mode wherein the UE alternates between an activity period and an inactivity period while connected to a first radio access technology (RAT) network;
means for tuning away from the first RAT network for a tune away period to monitor-signals in a second RAT network*;
means for determining when an inactivity timer for the DRX mode expires or will expire; and
means for adjusting a value of the inactivity timer based, at least in part, on the
determination. -
11. The apparatus of claim 10, wherein the first RAT network comprises a long term
evolution (LTE) network.
12. . The apparatus of claim 10, wherein the second RAT network comprises at least one
of: a global system for mobile communications (GSM), IxRTT, time division synchronous
code division multiple access (TD-SCD'MA) network, or wideband CDMA (WCDMA).
13. The apparatus of claim 10, wherein the DRX mode comprises a radio resource control (RRC) connected state DRX (CDRX) mode.
14. The apparatus of claim 10, wherein:
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away period; and
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adjusting the value of the inactivity timer comprises resetting the value of the inactivity timer to an initial value, a default value, or a predetermined value when the l)E tunes back to the first'RAT network after the tune away period.
15. The apparatus of claim 10, wherein:
the determination comprises a determination that the-inactivity timer for the DRX mode expires or will expire during the tune away period; and
adjusting, the value of the inactivity timer comprises setting the value of the inactivity timer to a TCDRXawake value.
16. The apparatus of claim 15, wherein the TCDRXawake value is less than a threshold value for the TCDRXawake value. ■
17. The apparatus of claim 16, wherein the TCDRXawake value is equal to a minimum of the inactivity timer or a sum of a value of an offset and a value of another tinier.
18. The apparatus of claim 17, wherein the value of the offset comprises a drxcyclestart_pffset value and the value of the another timer comprises a value of an onDuration timer: . '
19. An apparatus for wireless communications by a user equipment (UE), comprising:
at-least one processor configured to:
' enter a discontinuous reception (DRX) mode wherein the UE alternates between an activity period and. an inactivity period while connected to, a first radio access technology (RAT) network;
tune away from the first RAT network for a tune away period to monitor signals in a second RAT network;
determine when an inactivity timer for the DRX mode expires or will expire; and
adjust a value of the inactivity timer, based, at least in part, on the determination; and a memory coupled with the at least one processor.
20. The apparatus of claim 19, wherein the first RAT network comprises a long term.
P&SRef.: 145751PC

2-1. . The apparatus of claim 19, wherein the second RAT network comprises at least one of: a global system for mobile communications (GSM). .IxRT/T, time division synchronous code division multiple access (TD-SCDMA) network, orVideband CDMA (WCDMA).
22. The apparatus of claim 19, wherein the DRX mode comprises a radio resource control (RRC) connected state DRX (CDRX) mode.
23. The apparatus of claim 19, wherein;
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away period; and
' adjusting the value of the inactivity timer comprises resetting the value of the inactivity timer to an initial value, a default value, or a predetermined value when the UE tunes back to the first RAT network after the tune away period.
24. The apparatus of claim 19, wherein:
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away period; and
adjusting the value of the inactivity timer comprises setting, the value of the inactivity timer to a TCDRXawake value.
25. The apparatus of claim 24, wherein the TCDRXawake value i& less than a threshold
value for me TCDRXawake value. ;
26: The apparatus'of claim 25, wherein the TCDRXawake value is equal to a minimum of the inactivity timer or a sum of a value of an offset and a value of another timer.
27. The apparatus of claim 26, wherein the value of the offset comprises a drxcyclestart^offset value and the value of the another timer comprises a value of an onDuration timer..
28. A Computer-readable mediumhaving.computer.executable code stored thereon for:
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entering, by a user equipment (UE), a discontinuous reception (DRX) mode wherein the UE alternates between an activity period and an inactivity pei'iod while connected to a first radio access technology (RAT) network;
tuning away from the first RAT network for a tune away .period to monitor signals in
a second RAT network; . .
determining when an inactivity timer for the DRX mode expires or will expire; and
adjusting a value of the inactivity timer based, at least iii part, on the determination.
29. The computer-readable medium of claim 28, wherein:
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away period; and
adjusting the value of the inactivity timer comprises resetting the value of the inactivity tinier to an initial value, a default value, or a predetermined value when the UE tunes back to the first RAT network after the. tune away period.
30. The computer-readable medium of claim 28, wherein:
the determination comprises a determination that the inactivity timer for the DRX mode expires or will expire during the tune away pei'iod; and
adjusting the value of the inactivity timer comprises setting the value of the inactivity timer to a TCDRXawake value.