Re-allocation of positioning reference signal resources to accommodate another transmission
In an embodiment, a cell punctures resource(s) allocated to transmission of UL or DL PRS(s). The cell communicates (e.g., receives or transmits) UL or DL higher-priority signal(s) on the punctured resource(s), and communicates the UL or DL PRS(s) on the non-punctured resource(s). In another embodiment, a second cell neighboring a first cell schedules and transmits the UL or DL higher-priority signal(s) on part of the first cell's PRS resource(s). In another embodiment, the first cell receives an indication of the UL or DL higher-priority signal(s) scheduled for transmission by the second cell, and punctures its PRS resource(s) to reduce interference on the second cell's UL or DL higher-priority signal(s). In a further embodiment, a UE receives an indication of puncturing and selectively modifies its PRS processing on the punctured resource(s).
1. A method of operating a wireless node, comprising:
puncturing a subset of a set of resources allocated to transmission of one or more Positioning Reference Signals (PRSs) to facilitate communication of one or more other signals on the punctured subset of the set of resources; and
communicating at least one of the one or more PRSs on a non-punctured subset of the set of resources,
wherein the one or more PRSs correspond to one or more uplink PRSs and the punctured subset of the set of resources is punctured from uplink PRS resources associated with the one or more uplink PRSs.
2. The method of claim 1 ,
wherein the communicating receives the at least one PRS from at least one user equipment (UE).
3. The method of claim 1 , further comprising:
communicating the one or more other signals on the punctured subset of the set of resources.
4. The method of claim 3 ,
wherein the one or more other signals correspond to one or more uplink signals and the communicating receives the one or more uplink signals from at least one user equipment (UE), or
wherein the one or more other signals correspond to one or more downlink signals and the communicating transmits the one or more downlink signals to the at least one UE.
5. The method of claim 3 ,
wherein the one or more other signals correspond to one or more uplink transmissions by at least one user equipment (UE), wherein the puncturing includes:
transmitting at least one instruction to the at least one UE to transmit the one or more other signals on the punctured subset of the set of resources.
6. The method of claim 3 , wherein the one or more other signals correspond to one or more downlink transmissions, wherein the puncturing includes:
transmitting at least one instruction to the at least one UE to decode the one or more other signals on the punctured subset of resources instead of transmitting the one or more uplink PRSs.
7. The method of claim 1 , wherein the one or more other signals are one or more downlink transmissions.
8. The method of claim 1 ,
wherein the puncturing punctures the punctured subset of the set of resources in accordance with a threshold puncture ratio between the punctured subset of resources and the non-punctured subset of resources,
wherein the puncturing punctures the punctured subset of the set of resources in accordance with a threshold bandwidth for the non-punctured subset of resources,
wherein the puncturing punctures the punctured subset of the set of resources in accordance with a puncture pattern,
wherein the puncturing is based on whether the one or more PRSs and/or the one or more other signals are transmitted aperiodically or periodically,
wherein the puncturing is based on user equipment (UE) capability information and/or a UE configuration for a UE, or
any combination thereof.
9. The method of claim 1 , further comprising:
notifying at least one user equipment (UE) of the puncturing.
10. The method of claim 9 , wherein the notification is provided via a semi-static or dynamic slot format indication (SFI).
11. The method of claim 1 ,
wherein the one or more other signals are for transmission by a second cell and are scheduled on the set of resources allocated to transmission of the one or more PRSs associated with a first cell.
12. The method of claim 11 ,
wherein the punctured subset of the set of resources corresponds to uplink resources, and
wherein the puncturing includes transmitting an instruction to at least one user equipment (UE) to modify transmission of at least one of the one or more uplink PRSs on the punctured subset of resources.
13. The method of claim 1 , wherein the wireless node corresponds to a user equipment (UE).
14. The method of claim 1 , wherein the wireless node corresponds to a cell.
15. A method of operating a user equipment (UE), comprising:
receiving, from a first cell, an indication that a subset of a set of resources allocated to transmission of one or more Positioning Reference Signals (PRSs) are to be punctured; and
selectively modifying a manner in which at least one of the one or more PRSs is processed at the UE in response to the indication,
wherein the one or more PRSs correspond to one or more uplink PRSs and the punctured subset of the set of resources is punctured from uplink PRS resources associated with the one or more uplink PRSs.
16. The method of claim 15 , further comprising:
exchanging part of the one or more PRSs between the UE and a first cell on a non-punctured subset of the set of resources,
wherein the selectively modifying communicates one or more other signals with the first cell or a second cell on the punctured subset of the set of resources.
17. The method of claim 15 , further comprising:
exchanging part of the one or more PRSs between the UE and the first cell on a non-punctured subset of the set of resources,
wherein the selectively modifying reduces a transmission power of the at least one PRS by the UE on the punctured subset of the set of resources or prohibits any transmission of the at least one PRS by the UE on the punctured subset of the set of resources, or
wherein one or more downlink signals are transmitted on the punctured subset of the set of resources, or
any combination thereof.
18. The method of claim 15 , wherein the received indication corresponds to a semi-static or dynamic slot format indication (SFI).
19. A wireless node, comprising:
a transceiver; and
at least one processor coupled to the transceiver and configured to:
puncture a subset of a set of resources allocated to transmission of one or more Positioning Reference Signals (PRSs) to facilitate communication of one or more other signals on the punctured subset of the set of resources; and
communicate at least one of the one or more PRSs on a non-punctured subset of the set of resources,
wherein the one or more PRSs correspond to one or more uplink PRSs and the punctured subset of the set of resources is punctured from uplink PRS resources associated with the one or more uplink PRSs.
20. The wireless node of claim 19 ,
wherein the communicating receives the at least one PRS from at least one user equipment (UE).
21. The wireless node of claim 19 , wherein the at least one processor is further configured to:
communicate the one or more other signals on the punctured subset of the set of resources.
22. The wireless node of claim 21 ,
wherein the one or more other signals correspond to one or more uplink other signals and the at least one processor communicates the one or more other signals by receiving the one or more other signals from at least one user equipment (UE), or
wherein the one or more other signals correspond to one or more downlink other signals and one or more other signals by transmitting the one or more other signals to the at least one UE.
23. The wireless node of claim 21 ,
wherein the one or more other signals correspond to one or more uplink transmissions by at least one user equipment (UE), wherein the puncturing includes:
transmitting at least one instruction to the at least one UE to transmit the one or more other signals on the punctured subset of the set of resources.
24. The wireless node of claim 21 , wherein the one or more other signals correspond to one or more downlink transmissions, wherein the at least one processor is further configured to:
transmit at least one instruction to the at least one UE to decode the one or more other signals on the punctured subset of resources instead of transmitting the one or more uplink PRSs.
25. The wireless node of claim 19 , wherein the at least one processor is further configured to:
notify at least one user equipment (UE) of the puncturing.
26. The wireless node of claim 19 , wherein the at least one processor is further configured to:
wherein the one or more other signals are for transmission by a second cell and are scheduled on the set of resources allocated to transmission of the one or more PRSs associated with a first cell.
27. The wireless node of claim 26 ,
wherein the punctured subset of the set of resources corresponds to uplink resources, and the at least one processor is further configured to transmit an instruction to at least one user equipment (UE) to modify transmission of at least one of the one or more uplink PRSs on the punctured subset of the set of resources.
28. A user equipment (UE), comprising:
a transceiver; and
at least one processor coupled to the transceiver and configured to:
receive, from a cell, an indication that a subset of a set of resources allocated to transmission of one or more Positioning Reference Signals (PRSs) are to be punctured; and
selectively modify a manner in which at least one of the one or more PRSs is processed at the UE in response to the indication,
wherein the one or more PRSs correspond to one or more uplink PRSs and the punctured subset of the set of resources is punctured from uplink PRS resources associated with the one or more uplink PRSs.