Abstract
A method for reporting and obtaining channel state information an eNodeB and a user equipment are disclosed. The method for reporting channel state information includes: determining a reported content in channel state information (CSI) of downlink component carriers according to priorities of contents-in-CSI where the CSI of the downlink component carriers includes the reported content and a content that is not to be reported; and reporting the reported content to an eNodeB on a physical uplink control channel (PUCCH). By determining a reported content in CSI according to a priority the shortage of a CSI reporting resource may be relieved.
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4G | 07/10/2011 | ISLD-201110-001 | HUAWEI | No | Family Member | ||||
5G | 22/10/2018 | ISLD-201810-041 | HUAWEI |
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Specification Information
Specification Information
Technologies
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CN102013954A | 4G | 07/10/2011 | ISLD-201110-001 | HUAWEI | Yes | Basis Patent | ||||
CN102013954A | 5G | 22/10/2018 | ISLD-201810-041 | HUAWEI |
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CN102013954B | 4G | 07/10/2011 | ISLD-201110-001 | HUAWEI | Yes | Basis Patent | ||||
CN102013954B | 5G | 22/10/2018 | ISLD-201810-041 | HUAWEI |
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CN102332962A | 5G | 22/10/2018 | ISLD-201810-041 | HUAWEI |
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CN102332962B | 4G | 07/10/2011 | ISLD-201110-001 | HUAWEI | No | Family Member | ||||
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US2012314613A1 | 4G | 07/10/2011 | ISLD-201110-001 | HUAWEI | No | Family Member | ||||
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US2012327785A1 | 4G | 07/10/2011 | ISLD-201110-001 | HUAWEI | No | Family Member | ||||
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CN102668404B | 5G | 22/10/2018 | ISLD-201810-041 | HUAWEI |
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Channel Status Information(CSI) Reporting
Product
Use Cases
Services
Claim
1. A method for a user equipment device (UE) to report channel state information (CSI) to an evolved base station (eNodeB), comprising:
obtaining, by the UE, CSI of a plurality of downlink component carriers (CCs), wherein CSI of each downlink CC comprises at least one of the following items: a rank indicator (RI), a wideband channel quality indicator (CQI), a subband CQI and a subband precoding matrix indicator (PMI);
when at least part of the CSI of the plurality of downlink CCs needs to be reported in an uplink subframe, identifying, by the UE, a reported content that is to be reported to the eNodeB and a non-reported content that is not to be reported to the eNodeB from all contents in the CSI of the plurality of downlink CCs according to preset priorities of the RI, the wideband CQI, the subband CQI and the subband PMI, wherein the priority of the RI is higher than the priority of the wideband CQI, the priority of the wideband CQI is higher than the priority of the subband CQI, the priority of the subband CQI is the same as the priority of the subband PMI, and wherein the reported content includes one or more items whose priorities are higher than that of other one or more items included in the non-reported content; and
sending, by the UE, only the reported content to the eNodeB on a physical uplink control channel (PUCCH) of the uplink subframe,
wherein the one or more items included the reported content include at least one of the RI or the wideband CQI, and the other one or more items included in the non-reported content include at least one of the subband CQI or the subband PMI.
2. The method according to claim 1, wherein information amount of the CSI of the plurality of downlink CCs is greater than an amount of resource available for reporting the CSI of the plurality of downlink CCs.
3. The method according to claim 1, wherein identifying the reported content and the non-reported content from all the contents in the CSI of the plurality of downlink CCs comprises:
identifying one item with a highest priority or more items with the highest priorities in the CSI of the plurality of downlink CCs as the reported content according to the preset priorities of the RI, the wideband CQI, the subband CQI and the subband PMI, and identifying at least one other item as the non-reported content.
4. The method according to claim 1, wherein the priority of the RI is higher than the priority of the wideband CQI, and the priority of the wideband CQI is higher than the priorities of the subband CQI and the subband PMI.
5. A user equipment device (UE), comprising:
a non-transitory machine readable storage medium, configured to store program instructions; and
one or more circuitries, configured to execute the instructions for providing processing and communication functionalities in a plurality of modules;
wherein the plurality modules comprise:
an obtaining module for obtaining channel state information (CSI) of a plurality of downlink component carriers (CCs), wherein CSI of each downlink CC comprises at least one of the following items: a rank indicator (RI), a wideband channel quality indicator (CQI), a subband CQI and a subband precoding matrix indicator (PMI);
a reported content determining module for, when at least part of the CSI of the plurality of downlink CCs needs to be reported in an uplink subframe, identifying a reported content that is to be reported to the eNodeB and a non-reported content that is not to be reported to the eNodeB from all contents in the CSI of the plurality of downlink CCs according to preset priorities of the RI, the wideband CQI, the subband CQI and the subband PMI, wherein the priority of the RI is higher than the priority of the wideband CQI, and the priority of the wideband CQI is higher than the priority of the subband CQI, and the priority of the subband CQI is the same as the priority of the subband PMI, and wherein the reported content includes one or more items whose priorities are higher than that of other one or more items included in the non-reported content; and
a sending module for sending only the reported content to an eNodeB on a physical uplink control channel (PUCCH) of the uplink subframe,
wherein the one or more items included the reported content include at least one of the RI or the wideband CQI, and the other one or more items included in the non-reported content include at least one of the subband CQI or the subband PMI.
6. The UE according to claim 5, wherein the reported content determining module for identifying a reported content and a non-reported content comprises:
identifying one item with a highest priority or more items with the highest priorities in the CSI of the plurality of downlink CCs as the reported content according to the preset priorities of the RI, the wideband CQI, the subband CQI and the subband PMI, and identifying at least one other item as the non-reported content.
7. The UE according to claim 5, wherein the priority of the RI is higher than the priority of the wideband CQI, and the priority of the wideband CQI is higher than the priorities of the subband CQI and the subband PMI.
8. The UE according to claim 5, wherein information amount of the CSI of the plurality of downlink CCs is greater than an amount of resource available for reporting the CSI of the plurality of downlink CCs.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.