Keeping the UE awake
When mobile terminated devices sleep, the devices might not be reachable when needed, for instance when the device is a recipient of data from a third party server. As described herein, a third party application server may inform the network that it has data to send to a particular UE or group of UEs. In an example, the mobile core network (MCN) may use information from the third party server to ensure that the UE is awake when it needs to be. For example, a given UE or group of UEs can be prevented from entering a sleep state before a data transfer is completed.
1. An apparatus comprising a processor, a memory, and communication circuitry, the apparatus being connected to a network via its communication circuitry, the apparatus further comprising computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to perform operations comprising:
receiving a message, from the network, indicating a connection status associated with a mobile terminated device;
based on the message, configuring a retransmission time of a protocol to a first value;
sending a data packet to the at least one mobile terminated device; and
using the protocol to retransmit the data packet toward the mobile terminated device in accordance with the first value;
changing the retransmission time of the protocol from the first value to a second value, upon receiving a notification from the network; and
using the protocol to retransmit a subsequent data packet in accordance with the second value.
2. The apparatus as recited in claim 1 , wherein the protocol is a transmission control protocol or a constrained application protocol.
3. The apparatus as recited in claim 1 , wherein the message comprises a discontinuous reception timer or a tracking area update timer.
4. The apparatus as recited in claim 3 , wherein the message further comprises an active timer, a tracking area update timer value, or a discontinuous reception cycle length.
5. The apparatus as recited in claim 1 , the apparatus further comprising computer-executable instructions which, when executed by the processor of the apparatus, cause the apparatus to perform further operations comprising:
changing the retransmission time of the protocol from the first value to a third value, upon receiving data from the at least one mobile terminated device.
6. The apparatus as recited in claim 1 , wherein the notification includes a timer value.
7. The apparatus as recited in claim 1 , the apparatus further comprising computer-executable instructions which, when executed by the processor of the apparatus, cause the apparatus to perform further operations comprising:
changing the retransmission time of the protocol back to the first value upon receiving a second notification from the network.
8. The apparatus as recited in claim 1 , wherein the notification comprises an availability notification.
9. The apparatus as recited in claim 7 , wherein the second notification comprises a loss of connectivity notification.
10. A method performed by an application server connected to a network, the method comprising:
receiving a message, from the network, indicating a connection status associated with a mobile terminated device;
based on the message, configuring a retransmission time of a protocol to a first value;
sending a data packet to the at least one mobile terminated device;
using the protocol to retransmit the data packet toward the mobile terminated device in accordance with the first value;
changing the retransmission time of the protocol from the first value to a second value, upon receiving a notification from the network; and
using the protocol to retransmit the data packet in accordance with the second value.
11. The method as recited in claim 10 , wherein the protocol is a transmission control protocol or a constrained application protocol.
12. The method as recited in claim 10 , wherein the message comprises a discontinuous reception timer or a tracking area update timer.
13. The method as recited in claim 12 , wherein the message further comprises an active timer, a tracking area update timer value, or a discontinuous reception cycle length.
14. The method as recited in claim 10 , the method further comprising:
changing the retransmission time of the protocol from the first value to a third value, upon receiving data from the at least one mobile terminated device.
15. The method as recited in claim 10 , wherein the notification includes a timer value.
16. The method as recited in claim 10 , the method further comprising:
changing the retransmission time of the protocol back to the first value upon receiving a second notification from the network.