Periodic channel status information (CSI) reporting for enhanced interference management and traffic adaptation (EIMTA) systems with CSI subframe sets
View Patent ↗Wireless device, method, and computer readable media are disclosed for determining which channel status information (CSI) report of a user equipment (UE) to drop from a physical uplink control channel (PUCCH) packet. The method may include determining that a first CSI report and a second CSI report are to be sent in the PUCCH, where the first CSI report has a first reporting type and a first CSI sub-frame set, and the second CSI report has a second reporting type and a second CSI sub-frame set. The method may include determining to drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set. The determination to drop may be further based on a CSI processor index, serving cell index, and the CSI report priority.
1. A wireless communication device, the wireless communication device comprising: memory; and, hardware processing circuitry coupled to the memory, the hardware processing circuitry configured to:
determine that at least a first channel status information (CSI) report and a second CSI report are to be sent in a physical uplink control channel (PUCCH), wherein the first CSI report has a first reporting type and a first CSI sub-frame set, and the second CSI report has a second reporting type and a second CSI sub-frame set; and
if the first reporting type and the second reporting type have a first same priority, then determine to drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
2. The wireless communication device of claim 1 , wherein the hardware processing circuitry is further configured to: drop the first CSI report if it was determined to drop the first CSI report.
3. The wireless communication device of claim 1 , wherein the wireless communication device is in a transmission mode of 1-9 and wherein the wireless communication device is configured with tddModeAConfig-r12.
4. The wireless communication device of claim 1 , wherein the first CSI report has a first CSI process index and the second CSI report has a second CSI process index, and wherein the hardware processing circuitry is further configured to:
if the first reporting type and the second reporting type have the first same priority, and if the first CSI process index and the second CSI process index have a fourth same reporting priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
5. The wireless communication device of claim 4 , wherein the wireless communication device is in a transmission mode 10 and the wireless communication device is configured with a higher layer parameter tddModeAConfig-r12, and the wireless communication device is configured with csi-ProcessID-r11 or CSI process index, and wherein the first sub-frame is a 1 and the second sub-frame is a 0.
6. The wireless communication device of claim 1 , wherein the first CSI sub-frame set and the second CSI sub-frame set are each one of a group comprising: 0 and 1.
7. The wireless communication device of claim 6 , wherein the first CSI sub-frame set has a second lower priority if the first CSI sub-frame set is 1 and the second CSI sub-frame set is 0.
8. The wireless communication device of claim 1 , wherein the hardware processing circuitry is further configured to drop the first CSI report if the first reporting type has a first lower priority than the second reporting type.
9. The wireless communication device of claim 1 , wherein the first CSI report has a first serving cell index and the second CSI report has a second serving cell index, and wherein the hardware processing circuitry is further configured to:
if the first reporting type and the second reporting type have the first same priority, then drop the first CSI report if the first serving cell index has a third lower priority than the second serving cell index; otherwise if the first serving cell index and the second serving cell index have a second same priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
10. The wireless communication device of claim 1 , wherein the first CSI report has a first serving cell index and the second CSI report has a second serving cell index, and wherein the hardware processing circuitry is further configured to:
if the first reporting type and the second reporting type have the first same priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set; otherwise if the first CSI sub-frame set and the second CSI sub-frame set have a third same priority, then drop the first CSI report if the first serving cell index has a third lower priority than the second serving cell index.
11. The wireless communication device of claim 1 , wherein the first CSI report has a first CSI process index and the second CSI report has a second CSI process index, and wherein the hardware processing circuitry is further configured to:
if the first reporting type and the second reporting type have the first same priority, then drop the first CSI report if the first CSI process index has a forth lower priority than the second CSI process index; otherwise if the first CSI process index and the second CSI process index have a fourth same reporting priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
12. The wireless communication device of claim 1 , wherein the first CSI report has a first CSI process index and the second CSI report has a second CSI process index, and wherein the hardware processing circuitry is further configured to:
if the first reporting type and the second reporting type have the first same priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set; otherwise if the first CSI process index and the second CSI process index have a fourth same reporting priority, then drop the first CSI report if the first CSI process index has a fourth lower priority than the second CSI process index.
13. The wireless communication device of claim 1 , further comprising a transceiver coupled to the hardware processing circuitry, wherein the hardware processing circuitry is configured to configure the transceiver to transmit in the PUCCH the second CSI report and the first CSI report if the first CSI report is not to be dropped.
14. The wireless communication device of claim 13 , further comprising one or more antennas coupled to the transceiver.
15. A wireless communication device, the wireless communication device comprising: memory; and hardware processing circuitry couple to the memory, the hardware processing circuitry configured to:
determine that at least a first channel status information (CSI) report and a second CSI report are to be sent in a physical uplink control channel (PUCCH), the first CSI report having a first reporting type, first CSI process index, and a first CSI sub-frame set, and the second CSI report having a second reporting type, a second CSI process index, and a second CSI sub-frame set;
determine to drop the first CSI report if the first reporting type has a first lower priority than the second reporting type; and
if the first reporting type and the second reporting type have a first same priority, then drop the first CSI report if the first CSI process index has a forth lower priority than the second CSI process index; otherwise if the first CSI process index and the second CSI process index have a fourth same reporting priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
16. The wireless communication device of claim 15 , wherein the hardware processing circuitry is further configured to: drop the first CSI report if it was determined to drop the first CSI report.
17. The wireless communication device of claim 15 , wherein the wireless communication device is in a transmission mode 10, the wireless communication device is configured with a higher layer parameter tddModeAConfig-r12, and the wireless communication device is configured with csi-ProcessID-r11, and wherein the first CSI sub-frame set is a 1 and the second CSI sub-frame set is a 0.
18. A method on a wireless communication device to drop a channel status information (CSI) report from a physical uplink control channel (PUCCH) packet, the method comprising:
determining that at least a first CSI report and a second CSI report are to be sent in the PUCCH, the first CSI report having a first reporting type and a first CSI sub-frame set, and the second CSI report having a second reporting type and a second CSI sub-frame set; and
if the first reporting type and the second reporting type have a first same priority, then determine to drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
19. The method of claim 18 , further comprising:
dropping the first CSI report if it was determined to drop the first CSI report.
20. The method of claim 18 , further comprising:
dropping the first CSI report if the first reporting type has a first lower priority than the second reporting type.
21. The method of claim 18 , wherein the wireless communication device is in a transmission mode of 1-9 and wherein the wireless communication device is configured with tddModeAConfig-r12.
22. The method of claim 18 , wherein the first CSI report has a first CSI process index and the second CSI report has a second CSI process index, and wherein the method further comprises:
dropping the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set, if the first reporting type and the second reporting type have the first same priority, and if the first CSI process index and the second CSI process index have a fourth same reporting priority.
23. The method of claim 22 , wherein the wireless communication device is in a transmission mode 10, the wireless communication device is configured with a higher layer parameter tddModeAConfig-r12, and the wireless communication device is configured with csi-ProcessID-r11, and wherein the first CSI sub-frame set is a 1 and the second CSI sub-frame set is a 0.
24. A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors to determine which channel status information (CSI) report of a user equipment (UE) to drop from a physical uplink control channel (PUCCH) packet, the operations comprising:
determine that at least a first CSI report and a second CSI report are to be sent in the PUCCH, the first CSI report having a first reporting type and a first CSI sub-frame set, and the second CSI report having a second reporting type and a second CSI sub-frame set; and
if the first reporting type and the second reporting type have a first same priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.
25. The non-transitory computer-readable storage medium of claim 24 , wherein the operations further comprise:
if the first reporting type and the second reporting type have the first same priority, and if a first CSI process index and a second CSI process index have a fourth same reporting priority, then drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set.