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1. WO2020142610 - SYSTEM AND METHOD FOR FRAMEWORK OF L1-SINR MEASUREMENT AND REPORTING

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

WHAT IS CLAIMED IS:

1. A user equipment (UE), comprising:

radio front end circuitry configured to receive from an access node (AN) with one or more AN antenna ports, a first set of reference signal (RS) resources and a second set of RS resources over one or more UE antenna ports, wherein the first set and the second set of RS resources are received in a same beam; and

processor circuitry, coupled to the interface circuitry, configured to:

perform a channel measurement using the first set of RS resources;

perform an interference measurement using the second set of RS resources, wherein each of the second set of RS resources is mapped to each of the first set of RS resources;

determine, a layer 1 signal -to-interference plus noise ratio (Ll-SINR) based on the channel measurement and the interference measurement, wherein the Ll- SINR is determined from a first RS resource of the first set of RS resources and a second RS resource of the second set of RS resources, the first RS resource mapped to the second RS resource; and

generate a message including the Ll-SINR;

wherein the radio front end circuitry is further configured to transmit the message including the Ll-SINR to the AN.

2. The UE of claim 1, wherein the first set of RS resources comprises at least one of channel a state information reference signal (CSI-RS) or a synchronization signal block (SSB).

3. The UE of claim 1, wherein the processor circuitry is further configured to perform the interference measurement using a third set of RS resources, wherein the third set of RS resources comprises non-zero-power reference signals (NZP RS).

4. The UE of claim 3, wherein each of the third set of RS resources is mapped to each of the first set of RS resources, and the processor circuitry is further configured to determine the Ll-SINR from the first set of RS resources and the third set of RS resources.

5. The UE of claim 3, wherein the third set of RS resources comprises a plurality of RS resource subsets, each subset of the plurality of RS resource subsets is mapped to each RS resource of the first set of RS resources, and the processor circuitry is further configured to determine the Ll-SINR from the first set of RS resources and the plurality of RS resource subsets.

6. The UE of claim 1, wherein the processor circuitry is further configured to perform the interference measurement using the first set of RS resources.

7. The UE of claim 1, wherein the Ll-SINR comprises a periodic Ll-SINR, a semi- persistent Ll-SINR, or an aperiodic Ll-SINR, wherein the periodic Ll-SINR determined based on periodic RS resources, the semi-persistent Ll-SINR determined based on periodic or semi-persistent RS resources, and the aperiodic Ll-SINR determined based on periodic, semi-persistent, or aperiodic RS resources.

8. The UE of claim 1, wherein the Ll-SINR is determined based on the channel

measurement on one port of the one or more AN antenna ports and interference measurement on one port of the one or more UE antenna ports, configured by a higher layer signaling.

9. The UE of claim 1, wherein:

for the channel measurement from the one or more AN antenna ports, the Ll- SINR is determined based on a maximum, a minimium, or an average of Ll-SINRs determined from each of the one or more AN antenna ports,

for the interference measurement from the one or more AN antenna ports, the Ll- SINR is determined based on a maximum, a minimium, or an average of interface measurements determined from each of the one or more AN antenna ports, and

for the Ll-SINR measurement from the one or more UE antenna ports, the Ll- SINR is determined based on a maximum, a minimium, or an average of Ll-SINRs determined from a subset or each of the one or more UE antenna ports.

10. The UE of claim 1, wherein the Ll-SINR is determined based on a non-uniform selection of the one or more AN antenna ports or UE antenna ports, the non-uniform selection based on a weight corresponding to a channel quality of each of the one or more AN antenna ports or UE antenna ports.

11. A method, comprising:

receiving from an access node (AN) with one or more AN antenna ports, a first set of reference signal (RS) resources and a second set of RS resources over one or more UE antenna ports, wherein the first set and the second set of RS resources are received in a same beam;

performing a channel measurement using the first set of RS resources; performing an interference measurement using the second set of RS resources, wherein each of the second set of RS resources is mapped to each of the first set of RS resources;

determining, a layer 1 signal-to-interference plus noise ratio (Ll-SINR) based on the channel measurement and the interference measurement, wherein the Ll-SINR is determined from a first RS resource of the first set of RS resources and a second RS resource of the second set of RS resources, the first RS resource mapped to the second RS resource;

generating a message including the Ll-SINR; and

transmiting the message including the Ll-SINR to the AN.

12. The method of claim 11, wherein the first set of RS resources comprises at least one of a channel state information reference signal (CSI-RS) and a synchronization signal block (SSB).

13. The method of claim 11, further comprising performing an interference measurement on a third set of RS resources, wherein the third set of RS resources comprises non-zero-power reference signals (NZP RS).

14. The method of claim 13, wherein each of the third set of RS resources is mapped to each of the first set of RS resources, and the Ll-SINR is determined from the first set of RS resources and the third set of RS resources.

15. The method of claim 13, wherein the third set of RS resources comprises a plurality of RS resource subsets, each subset of the plurality of RS resource subsets is mapped to each RS resource of the first set of RS resources, and the Ll-SINR is determined from the first set of RS resources and the plurality of RS resource subsets.

16. A non-transitory computer-readable medium having instructions stored thereon that, upon execution by at least one processor, cause the at least one processor to perform operations comprising:

receiving from an access node (AN) with one or more antenna ports, a first set of reference signal (RS) resources and a second set of RS resources over one or more UE ports, wherein the first set and the second set of RS resources are received in a same beam; performing a channel measurement using the first set of RS resources; performing an interference measurement using the second set of RS resources, wherein each of the second set of RS resources is mapped to each of the first set of RS resources;

determining, a layer 1 signal-to-interference plus noise ratio (Ll-SINR) based on the channel measurement and the interference measurement, wherein the Ll-SINR is determined from a first RS resource of the first set of RS resources and a second RS resource of the second set of RS resources, the first RS resource mapped to the second RS resource;

generating a message including the Ll-SINR; and

transmiting the message including the Ll-SINR to the AN.

17. The non-transitory computer-readable medium of claim 16, wherein the first set of RS resources comprises at least one of a channel state information reference signal (CSI-RS) or a synchronization signal block (SSB).

18. The non-transitory computer-readable medium of claim 16, wherein the at least one processor is further configured to perform the interference measurement using a third set of RS resources, wherein the third set of RS resources comprises non-zero-power reference signals (NZP RS).

19. The non-transitory computer-readable medium of claim 18, wherein each of the third set of RS resources is mapped to each of the first set of RS resources, and the Ll-SINR is determined from the first set of RS resources and the third set of RS resources.

20. The non-transitory computer-readable medium of claim 18, wherein the third set of RS resources comprises a plurality of RS resource subsets, each subset of the plurality of RS resource subsets is mapped to each RS resource of the first set of RS resources, and the Ll-SINR is determined from the first set of RS resources and the plurality of RS resource subsets.