Shared channel remapping in a multiple radio access technology co-existence scenario
A user equipment, base station and methods are provided. The user equipment includes processing circuitry configured to obtain an indication of a resource mapping for a first radio access technology, RAT, that allows for co-existence with a second RAT within at least a portion of a transmission band, and determine communication resources based on the obtained resource mapping indication.
1. A user equipment, UE, comprising processing circuitry configured to:
obtain an indication of a resource mapping for a first radio access technology, RAT, that allows for mapping around a second RAT within at least a portion of a transmission band;
determine communication resources based on the obtained resource mapping indication, the indication being a first indication;
obtain at least one additional indication of at least one resource mapping for the first radio access technology, RAT, that allows for co-existence with the second RAT within the transmission band; and
resource map a physical downlink shared channel, PDSCH, around zero power reference signal, ZP-RS, resources, during the resource mapping.
2. The UE of claim 1 , wherein the transmission band is a carrier of the first RAT.
3. The UE of claim 1 , wherein the first RAT is New Radio, NR and the second RAT is Long Term Evolution, LTE.
4. The UE of claim 1 , wherein the UE is a New Radio, NR, UE.
5. The UE of claim 1 , wherein the determined communication resources are physical downlink shared channel, PDSCH, resources.
6. The UE of claim 1 , wherein the obtained resource mapping indication is based on transmissions received from a plurality of base stations.
7. The UE of claim 1 wherein the processing circuitry is further configured to receive dynamic signaling indicating a use of zero-power reference signal, ZP-RS, which allows resource mapping in a subframe around a Long Term Evolution, LTE, reference signal that may be present in the subframe.
8. The UE of claim 1 , wherein the indication of resource mapping is received in downlink control information, DCI.
9. The user equipment of claim 1 , wherein the first indication and the at least one additional indication of at least one resource mapping correspond to at least one Long Term Evolution cell-specific reference signal, LTE CRS, pattern.
10. The user equipment of claim 1 , wherein the first indication and the at least one additional indication of at least one resource mapping correspond to at least one periodic cell-specific reference signal, CSI-RS, pattern.
11. The user equipment of any of claim 1 , wherein the additional indications correspond to transmissions from at least one additional base station distinct from a first base station transmitting the first indication.
12. A method for a user equipment, UE, the method comprising:
obtaining an indication of a resource mapping for a first radio access technology, RAT, that allows for mapping around a second RAT within at least a portion of a transmission band;
determining communication resources based on the obtained resource mapping indication, the indication being a first indication;
obtaining at least one additional indication of at least one resource mapping for the first radio access technology, RAT, that allows for co-existence with the second RAT within the transmission band; and
resource mapping a physical downlink shared channel, PDSCH, around zero power reference signal, ZP-RS, resources, during the resource mapping.
13. The method of claim 12 , wherein the transmission band is a carrier of the first RAT.
14. The method of claim 12 , wherein the first RAT is New Radio, NR and the second RAT is Long Term Evolution, LTE.
15. The method of claim 12 , wherein the UE is a New Radio, NR, UE.
16. The method of claim 12 , wherein the determined communication resources are physical downlink shared channel, PDSCH, resources.
17. The method of claim 12 , wherein the obtained resource mapping indication is based on transmissions received from a plurality of base stations.
18. The method of claim 12 , further comprising receiving dynamic signaling indicating a use of zero-power reference signal, ZP-RS, which allows resource mapping in a subframe around a Long Term Evolution, LTE, reference signal that may be present in the subframe.
19. The method of claim 12 , wherein the indication of resource mapping is received in downlink control information, DCI.