Supporting inter-media synchronization in wireless communications
Various embodiments provide systems and methods for supporting synchronized delivery of packets of different type media streams of a service. Various embodiments enable wireless device and/or network assistance of packet synchronization in downlink (DL) and/or uplink (UL) transmissions.
1. A method for synchronizing delivery of a multimedia service among different media streams performed by a processor of a base station, comprising:
determining that a data packet of a media stream of a plurality of different type media streams qualifies for early delivery;
determining an early delivery time period to a latency budget for the media stream of the data packet qualifying for early delivery;
sending the data packet qualifying for early delivery to a wireless device earlier than the latency budget;
sending an early delivery indication including an indication of the early delivery time period to the wireless device;
sending synchronization margins for each of the plurality of different type media streams to the wireless device; and
sending an indication of remaining latency budgets for the plurality of different type media streams to the wireless device.
2. The method of claim 1 , wherein the latency budget is a packet delay budget.
3. The method of claim 1 , wherein the latency budget is an end-to-end (e2e) latency budget.
4. The method of claim 1 , further comprising:
receiving feedback requesting skew adjustment from the wireless device; and
adjusting delivery of packets to the wireless device according to the feedback to meet the synchronization margins.
5. A base station, comprising:
a processor configured with processor-executable instructions to:
determine that a data packet of a media stream of a plurality of different type media streams qualifies for early delivery;
determine an early delivery time period to a latency budget for the media stream of the data packet qualifying for early delivery;
send the data packet qualifying for early delivery to a wireless device earlier than the latency budget;
send an early delivery indication including an indication of the early delivery time period to the wireless device;
send synchronization margins for each of the plurality of different type media streams to the wireless device; and
send an indication of remaining latency budgets for the plurality of different type media streams to the wireless device.
6. The base station of claim 5 , wherein the latency budget is a packet delay budget.
7. The base station of claim 5 , wherein the latency budget is an end-to-end (e2e) latency budget.
8. The base station of claim 5 , wherein the processor is further configured with processor-executable instructions to:
receive feedback requesting skew adjustment from the wireless device; and
adjust delivery of packets to the wireless device according to the feedback to meet the synchronization margins.
9. A base station, comprising:
means for determining that a data packet of a media stream of a plurality of different type media streams qualifies for early delivery;
means for determining an early delivery time period to a latency budget for the media stream of the data packet qualifying for early delivery;
means for sending the data packet qualifying for early delivery to a wireless device earlier than the latency budget;
means for sending an early delivery indication including an indication of the early delivery time period to the wireless device;
means for sending synchronization margins for each of the plurality of different type media streams to the wireless device; and
means for sending an indication of remaining latency budgets for the plurality of different type media streams to the wireless device.
10. The base station of claim 9 , wherein the latency budget is a packet delay budget.
11. The base station of claim 9 , wherein the latency budget is an end-to-end (e2e) latency budget.
12. The base station of claim 9 , further comprising:
means for receiving feedback requesting skew adjustment from the wireless device; and
means for adjusting delivery of packets to the wireless device according to the feedback to meet the synchronization margins.
13. A non-transitory processor-readable storage medium having stored thereon processor-executable instructions to cause a processor of a base station to perform operations comprising:
determining that a data packet of a media stream of a plurality of different type media streams qualifies for early delivery;
determining an early delivery time period to a latency budget for the media stream of the data packet qualifying for early delivery;
sending the data packet qualifying for early delivery to a wireless device earlier than the latency budget; and
sending an early delivery indication including an indication of the early delivery time period to the wireless device;
sending synchronization margins for each of the plurality of different type media streams to the wireless device; and
sending an indication of remaining latency budgets for the plurality of different type media streams to the wireless device.
14. The non-transitory processor-readable storage medium of claim 13 , wherein the stored processor-executable instructions are configured to cause the processor to perform operations such that the latency budget is a packet delay budget.
15. The non-transitory processor-readable storage medium of claim 13 , wherein the stored processor-executable instructions are configured to cause the processor to perform operations such that the latency budget is an end-to-end (e2e) latency budget.
16. The non-transitory processor-readable storage medium of claim 13 , wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising:
receiving feedback requesting skew adjustment from the wireless device; and
adjusting delivery of packets to the wireless device according to the feedback to meet the synchronization margins.