Macro and micro discontinuous transmission
Methods, systems, and devices for wireless communication are described. A wireless device may receive during an active duration, an indication of an opportunity to request uplink (UL) transmission. The wireless device may identify an opportunity to request UL transmission based at least in part on the indication. In some cases, the active duration may be a discontinuous transmission (DTX) configuration. The wireless device may then transmit on the UL resources during the opportunity to request UL transmission.
1. An apparatus for wireless communication, comprising:
one or more processors; and
memory coupled to the one or more processors, the one or more processors configured to:
transition from an inactive duration to a semi-statically configured active duration following the inactive duration;
receive, via a communication link and during the semi-statically configured active duration, a message comprising an indication of an opportunity to request uplink transmission; and
transmit on an uplink resource during the opportunity to request uplink transmission based at least in part on the indication of the opportunity to request uplink transmission.
2. The apparatus of claim 1 , wherein a discontinuous transmission configuration including the semi-statically configured active duration is based at least in part on a discontinuous reception configuration, a discontinuous transmission configuration for one or more neighboring user equipments (UEs), or both.
3. The apparatus of claim 1 , wherein the one or more processors are further configured to:
receive an uplink grant during an on duration of a discontinuous transmission configuration; and
transmit uplink data based at least in part on the uplink grant, wherein the message comprising the indication of the opportunity to request uplink transmission is received following the transmission of the uplink data.
4. The apparatus of claim 3 , wherein the on duration is semi-statically determined based at least in part on the discontinuous transmission configuration.
5. The apparatus of claim 3 , wherein the one or more processors are further configured to:
transmit a request for uplink transmission during the on duration, wherein the uplink grant is transmitted based at least in part on the request for uplink transmission.
6. The apparatus of claim 3 , wherein the one or more processors are further configured to:
transition to a short cycle of the discontinuous transmission configuration based at least in part on the indication of the opportunity to request uplink transmission.
7. The apparatus of claim 3 , wherein the one or more processors are further configured to:
transition from a short cycle of the discontinuous transmission configuration to a long cycle of the discontinuous transmission configuration based at least in part on one or more of a determination that an inactivity timer has expired, the indication of the opportunity to request uplink transmission, or a beginning of a subsequent long cycle of the discontinuous transmission configuration, or any combination thereof.
8. The apparatus of claim 1 , wherein the semi-statically configured active duration comprises an active duration of a discontinuous reception configuration.
9. The apparatus of claim 8 , wherein the one or more processors are further configured to:
receive an uplink grant during an on duration of the discontinuous reception configuration; and
transmit uplink data based at least in part on the uplink grant, wherein, to receive the message comprising the indication, the one or more processors are configured to:
receive the message comprising the indication of the opportunity to request uplink transmission following the transmission of the uplink data.
10. The apparatus of claim 9 , wherein the on duration is semi-statically determined based at least in part on the discontinuous reception configuration.
11. The apparatus of claim 9 , wherein the one or more processors are further configured to:
transmit a request for uplink transmission during the on duration, wherein the uplink grant is transmitted based at least in part on the request for uplink transmission.
12. The apparatus of claim 1 , wherein the opportunity to request uplink transmission is based at least in part on a network load, a scheduling condition, a latency tolerance, a traffic profile, a gap size request by a user equipment (UE) or any combination thereof.
13. The apparatus of claim 1 , wherein, to transmit on the uplink resource, the one or more processors are configured to:
transmit a request for uplink transmission on the uplink resource.
14. The apparatus of claim 1 , wherein, to transmit on the uplink resource, the one or more processors are configured to:
transmit uplink data or control data at a time instance identified by the indication.
15. The apparatus of claim 1 , wherein the one or more processors are further configured to:
determine that no data is available for transmission during the opportunity to request uplink transmission; and
refrain from transmitting during the opportunity based at least in part on the determining.
16. The apparatus of claim 1 , wherein the indication of the opportunity to request uplink transmission comprises an opportunity associated with a different radio access technology (RAT).
17. The apparatus of claim 1 , wherein the one or more processors are further configured to:
refrain from transmitting on the uplink resource during a first time duration different than a second time duration associated with the opportunity to request uplink transmission.
18. An apparatus for wireless communication, comprising:
one or more processors; and
memory coupled to the one or more processors, the one or more processors configured to:
transmit, via a communication link to a user equipment (UE) and during a semi-statically configured active duration of the UE that follows an inactive duration of the UE, a message comprising an indication of an opportunity for uplink transmission; and
receive an uplink transmission from the UE based at least in part on the indication of the opportunity for uplink transmission.
19. The apparatus of claim 18 , wherein the one or more processors are further configured to:
transmit an uplink grant during an on duration of a discontinuous transmission configuration established with the UE, wherein, to receive the uplink transmission, the one or more processors are configured to:
receive the uplink transmission based at least in part on the uplink grant.
20. The apparatus of claim 19 , wherein the on duration is semi-statically determined based at least in part on the discontinuous transmission configuration.
21. The apparatus of claim 19 , wherein the one or more processors are further configured to:
receive a request for uplink transmission during the on duration, wherein the transmitting of the uplink grant is based at least in part on the request for uplink transmission.
22. The apparatus of claim 19 , wherein the on duration is scheduled based at least in part on a discontinuous reception configuration, a discontinuous transmission configuration for one or more neighboring UEs, or both.
23. The apparatus of claim 18 , wherein the opportunity is based at least in part on a network load, a scheduling condition, a latency tolerance, a traffic profile, or any combination thereof.
24. A method of wireless communication comprising:
transitioning from an inactive duration to a semi-statically configured active duration following the inactive duration;
receiving, via a communication link and during the semi-statically configured active duration following the inactive duration, a message comprising an indication of an opportunity to request uplink transmission; and
transmitting on an uplink resource during the opportunity to request uplink transmission based at least in part on the indication of the opportunity to request uplink transmission.
25. The method of claim 24 , wherein a discontinuous transmission configuration including the semi-statically configured active duration is based at least in part on a discontinuous reception configuration, a discontinuous transmission configuration for one or more neighboring user equipments (UEs), or both.
26. The method of claim 24 , further comprising:
receiving an uplink grant during an on duration of a discontinuous transmission configuration; and
transmitting uplink data based at least in part on the uplink grant, wherein receiving the message comprising the indication comprises:
receiving the message comprising the indication of the opportunity to request uplink transmission following the transmission of the uplink data.
27. The method of claim 26 , wherein the on duration is semi-statically determined based at least in part on the discontinuous transmission configuration.
28. The method of claim 26 , further comprising:
transmitting a request for uplink transmission during the on duration, wherein the uplink grant is transmitted based at least in part on the request for uplink transmission.