Time domain restriction for channel state information reference signal configuration
This disclosure describes systems, methods, and devices related to channel state information reference signal (CSI-RS) configuration. A device may establish a first measurement window for a first CSI-RS associated with a first type of measurement in a measurement object (MO). The device may identify a measurement gap associated a second type of measurement. The device may perform adjustment to avoid a collision between the first measurement window and the measurement gap. The device may detect the first CSI-RS within the first measurement window.
1 . An apparatus for facilitating channel state information reference signal (CSI-RS) measurements, the apparatus comprising processing circuitry coupled to storage, the processing circuitry configured to:
identify a measurement gap (MG) during which a channel measurement is to be performed;
configure all CSI-RS resources for a measurement opportunity (MO) on one intra-frequency layer within up to two separate time windows each of up to 5 milliseconds that are either both fully non-overlapped with the MG or both partially overlapped with the measurement gap; and
signal all the configured CSI-RS resources to a user equipment for performing CSI measurements during the MO.
2 . The apparatus of claim 1 , wherein the up to two separate time windows consist of two time windows.
3 . The apparatus of claim 2 , wherein the two time windows are each of 5 milliseconds.
4 . The apparatus of claim 1 , wherein a periodicity of all the configured CSI-RS resources is the same.
5 . The apparatus of claim 4 , wherein the periodicity is 20 milliseconds.
6 . The apparatus of claim 1 , wherein all the CSI-RS resources are fully non-overlapped with the MG.
7 . A non-transitory computer-readable medium storing computer-executable instructions for facilitating channel state information reference signal (CSI-RS) measurements, which when executed by one or more processors result in performing operations comprising:
identifying a measurement gap (MG) during which a channel measurement is to be performed;
configuring all CSI-RS resources for a measurement opportunity (MO) on one intra-frequency layer within up to two separate time windows each of up to 5 milliseconds that are either both fully non-overlapped with the MG or both partially overlapped with the measurement gap; and
signaling all the configured CSI-RS resources to a user equipment for performing CSI measurements during the MO.
8 . The non-transitory computer-readable medium of claim 7 , wherein the up to two separate time windows consist of two time windows.
9 . The non-transitory computer-readable medium of claim 8 , wherein the two time windows are each of 5 milliseconds.
10 . The non-transitory computer-readable medium of claim 7 , wherein a periodicity of all the configured CSI-RS resources is the same.
11 . The non-transitory computer-readable medium of claim 10 , wherein the periodicity is 20 milliseconds.
12 . The non-transitory computer-readable medium of claim 7 , wherein all the CSI-RS resources are fully non-overlapped with the MG.
13 . A method for facilitating channel state information reference signal (CSI-RS) measurements, the method comprising:
identifying, by processing circuitry of a communications network, a measurement gap (MG) during which a channel measurement is to be performed;
configuring, by the processing circuitry, all CSI-RS resources for a measurement opportunity (MO) on one intra-frequency layer within up to two separate time windows each of up to 5 milliseconds that are either both fully non-overlapped with the MG or both partially overlapped with the measurement gap; and
signaling, by the processing circuitry, all the configured CSI-RS resources to a user equipment for performing CSI measurements during the MO.
14 . The method of claim 13 , wherein the up to two separate time windows consist of two time windows.
15 . The method of claim 14 , wherein the two time windows are each of 5 milliseconds.
16 . The method of claim 13 , wherein a periodicity of all the configured CSI-RS resources is the same.
17 . The method of claim 16 , wherein the periodicity is 20 milliseconds.
18 . The method of claim 13 , wherein all the CSI-RS resources are fully non-overlapped with the MG.