Flexible grant-free resource configuration signaling
An embodiment method for grant-free resource configuration comprises configuring a first type of grant-free resource, wherein the first type of grant-free resource is cell-specific and is configured using broadcast signaling, and wherein the first type of grant-free resource is accessible to a UE without further configuration; and configuring a second type of grant-free resource, wherein the second type of grant-free resource is UE-specific and is configured using a combination of broadcast signaling and unicast/multicast signaling, and wherein the second type of grant-free resource is accessible to a UE only after the unicast/multicast configuration.
1. A method comprising:
receiving, by a user equipment (UE), signaling from a base station (BS), the signaling including a radio resource control (RRC) signaling, wherein the signaling indicates a UE-specific hopping parameter; and
performing, by the UE, an uplink data transmission based on the UE-specific hopping parameter,
wherein the UE-specific hopping parameter explicitly indicates a corresponding number of resource blocks (RBs) to be cyclically shifted relative to an assigned RB to derive a corresponding starting RB for each of a plurality of uplink data transmissions performed at a corresponding time period of a plurality of time periods, the plurality of uplink data transmissions including the uplink data transmission.
2. The method of claim 1 , wherein the performing the uplink data transmission comprises:
performing a grant free (GF) uplink data transmission without dynamic grant.
3. The method of claim 1 , wherein the RRC signaling further indicates an initial frequency location.
4. The method of claim 1 , wherein the corresponding number of RBs to be offset is a cyclical frequency shift from one time period to a next time period.
5. The method of claim 1 , wherein the UE-specific hopping parameter is applicable to multi-slot physical uplink shared channel (PUSCH) transmission.
6. The method of claim 5 , wherein the UE-specific hopping parameter is applicable to single-slot physical uplink shared channel (PUSCH) transmission.
7. The method of claim 1 , wherein the assigned RB is a virtual RB (VRB) or a physical RB (PRB).
8. The method of claim 1 , wherein the signaling further indicates a second UE-specific hopping parameter indicating a periodicity of a hopping pattern corresponding the UE-specific hopping parameter.
9. An apparatus comprising:
a memory storage comprising instructions; and
one or more processors in communication with the memory storage, wherein the one or more processors execute the instructions to cause the apparatus to:
receive signaling from a base station (BS), the signaling including a radio resource control (RRC) signaling, wherein the signaling indicates a user equipment (UE)-specific hopping parameter; and
perform an uplink data transmission based on the UE-specific hopping parameter,
wherein the UE-specific hopping parameter explicitly indicates a corresponding number of resource blocks (RBs) to be cyclically shifted relative to an assigned RB to derive a corresponding starting RB for each of a plurality of uplink data transmissions performed at a corresponding time period of a plurality of time periods, the plurality of uplink data transmissions including the uplink data transmission.
10. The apparatus of claim 9 , the instructions to perform the uplink data transmission comprise instructions to:
perform a grant free (GF) uplink data transmission without dynamic grant.
11. The apparatus of claim 9 , wherein the RRC signaling further indicates an initial frequency location.
12. The apparatus of claim 9 , wherein the corresponding number of RBs to be offset is a cyclical frequency shift from one time period to a next time period.
13. The apparatus of claim 9 , wherein the UE-specific hopping parameter is applicable to multi-slot physical uplink shared channel (PUSCH) transmission.
14. The apparatus of claim 13 , wherein the UE-specific hopping parameter is applicable to single-slot physical uplink shared channel (PUSCH) transmission.
15. The apparatus of claim 9 , wherein the assigned RB is a virtual RB (VRB) or a physical RB (PRB).
16. The apparatus of claim 9 , wherein the apparatus is a user equipment (UE).
17. A method comprising:
transmitting, by a base station to a user equipment (UE), signaling, the signaling including a radio resource control (RRC) signaling, wherein the signaling indicates a UE-specific hopping parameter; and
receiving, by the base station, an uplink data transmission based on the UE-specific hopping parameter,
wherein the UE-specific hopping parameter explicitly indicates a corresponding number of resource blocks (RBs) to be cyclically shifted relative to an assigned RB to derive a corresponding starting RB for each of a plurality of uplink data transmissions performed at a corresponding time period of a plurality of time periods, the plurality of uplink data transmissions including the uplink data transmission.
18. The method of claim 17 , wherein the receiving the uplink data transmission comprises:
receiving a grant free (GF) uplink data transmission without dynamic grant.
19. An apparatus comprising:
a memory storage comprising instructions; and
one or more processors in communication with the memory storage, wherein the one or more processors execute the instructions to cause the apparatus to:
transmit, to a user equipment (UE), signaling, the signaling including a radio resource control (RRC) signaling, wherein the signaling indicates a UE-specific hopping parameter; and
receiving an uplink data transmission based on the UE-specific hopping parameter,
wherein the UE-specific hopping parameter explicitly indicates a corresponding number of resource blocks (RBs) to be cyclically shifted relative to an assigned RB to derive a corresponding starting RB for each of a plurality of uplink data transmissions performed at a corresponding time period of a plurality of time periods, the plurality of uplink data transmissions including the uplink data transmission.