Reporting of channel properties in heterogeneous networks
First Claim
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1. A method for wireless communication, comprising:
- receiving a plurality of parameter values at a user equipment (UE) for reporting a plurality of channel properties associated with a resource, wherein the plurality of parameter values includes a first set of parameter values that includes a first periodicity and a first offset, and a second set of parameter values that includes a second periodicity and a second offset;
estimating a first set of channel properties of the plurality of channel properties related to a first channel property, the estimating the first set of channel properties using the first set of parameter values of the plurality of parameter values to estimate at least a first rank indicator according to the first periodicity, wherein the first set of parameter values configures the estimating of the first set of channel properties for clean interlaces;
estimating a second set of channel properties of the plurality of channel properties related to a second channel property, the estimating the second set of channel properties using the second set of parameter values of the plurality of parameter values to estimate at least a second rank indicator according to the second periodicity, wherein the second set of parameter values configures the estimating of the second set of channel properties for unclean interlaces, and the estimating of the first set of channel properties of the plurality of channel properties and the estimating of the second set of channel properties of the plurality of channel properties are performed in parallel; and
transmitting the plurality of channel properties to an associated evolved node B (eNB).
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Abstract
Rank indicator and channel quality indicator (CQI) estimation and reporting functionalities are discussed with regard to heterogeneous networks to reduce the number of inconsistent CQI estimates transmitted to an evolved node B (eNB), where the CQI is defined as inconsistent when the rank indicator, on which the CQI is conditioned, is from a different subframe type than the subframe on which the CQI is to be estimated.
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Citations
24 Claims
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1. A method for wireless communication, comprising:
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receiving a plurality of parameter values at a user equipment (UE) for reporting a plurality of channel properties associated with a resource, wherein the plurality of parameter values includes a first set of parameter values that includes a first periodicity and a first offset, and a second set of parameter values that includes a second periodicity and a second offset; estimating a first set of channel properties of the plurality of channel properties related to a first channel property, the estimating the first set of channel properties using the first set of parameter values of the plurality of parameter values to estimate at least a first rank indicator according to the first periodicity, wherein the first set of parameter values configures the estimating of the first set of channel properties for clean interlaces; estimating a second set of channel properties of the plurality of channel properties related to a second channel property, the estimating the second set of channel properties using the second set of parameter values of the plurality of parameter values to estimate at least a second rank indicator according to the second periodicity, wherein the second set of parameter values configures the estimating of the second set of channel properties for unclean interlaces, and the estimating of the first set of channel properties of the plurality of channel properties and the estimating of the second set of channel properties of the plurality of channel properties are performed in parallel; and transmitting the plurality of channel properties to an associated evolved node B (eNB). - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus configured for wireless communication, comprising:
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means for receiving a plurality of parameter values at a user equipment (UE) for reporting a plurality of channel properties associated with a resource, wherein the plurality of parameter values includes a first set of parameter values that includes a first periodicity and a first offset, and a second set of parameter values that includes a second periodicity and a second offset; means for estimating a first set of channel properties of the plurality of channel properties related to a first channel property, the means for estimating the first set of channel properties using the first set of parameter values of the plurality of parameter values to estimate at least a first rank indicator according to the first periodicity, wherein the first set of parameter values configures the estimating of the first set of channel properties for clean interlaces; means for estimating a second set of channel properties of the plurality of channel properties related to a second channel property, the means for estimating the second set of channel properties using the second set of parameter values of the plurality of parameter values to estimate at least a second rank indicator according to the second periodicity, wherein the second set of parameter values configures the estimating of the second set of channel properties for unclean interlaces, and the means for estimating the first set of channel properties of the plurality of channel properties and the means for estimating the second set of channel properties of the plurality of channel properties are performed in parallel; and means for transmitting the plurality of channel properties to an associated evolved node B (eNB). - View Dependent Claims (7, 8, 9, 10)
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11. A computer program product for wireless communications in a wireless network, comprising:
a non-transitory computer-readable medium having program code recorded thereon, the program code comprising; program code to receive a plurality of parameter values at a user equipment (UE) for reporting a plurality of channel properties associated with a resource, wherein the plurality of parameter values includes a first set of parameter values that includes a first periodicity and a first offset, and a second set of parameter values that includes a second periodicity and a second offset; program code to estimate a first set of channel properties of the plurality of channel properties related to a first channel property, the program code to estimate the first set of channel properties using the first set of parameter values of the plurality of parameter values to estimate at least a first rank indicator according to the first periodicity, wherein the first set of parameter values configures the program code to estimate the first set of channel properties for clean interlaces; program code to estimate a second set of channel properties of the plurality of channel properties related to a second channel property, the program code to estimate the second set of channel properties using the second set of parameter values of the plurality of parameter values to estimate at least a second rank indicator according to the second periodicity, wherein the second set of parameter values configures the program code to estimate the second set of channel properties for unclean interlaces the program code to estimate the first set of channel properties of the plurality of channel properties and the program code to estimate the second set of channel properties of the plurality of channel properties are performed in parallel; and program code to transmit the plurality of channel properties to an associated evolved node B (eNB). - View Dependent Claims (12, 13, 14, 15)
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16. An apparatus configured for wireless communication, comprising
at least one processor; - and
a memory coupled to the at least one processor, wherein the at least one processor is configured; to receive a plurality of parameter values at a user equipment (UE) for reporting a plurality of channel properties associated with a resource, wherein the plurality of parameter values includes a first set of parameter values that includes a first periodicity and a first offset, and a second set of parameter values that includes a second periodicity and a second offset; to estimate a first set of channel properties of the plurality of channel properties related to a first channel property, the at least one processor configured to estimate the first set of channel properties using the first set of parameter values of the plurality of parameter values to estimate at least a first rank indicator according to the first periodicity, wherein the first set of parameter values configures the at least one processor to estimate the first set of channel properties for clean interlaces; to estimate a second set of channel properties of the plurality of channel properties related to a second channel property, the at least one processor configured estimate the second set of channel properties using the second set of parameter values of the plurality of parameter values to estimate at least a second rank indicator according to the second periodicity, wherein the second set of parameter values configures the at least one processor to estimate the second set of channel properties for unclean interlaces, and the estimation of the first set of channel properties of the plurality of channel properties and the estimation of the second set of channel properties of the plurality of channel properties are performed by the at least one processor in parallel; and to transmit the plurality of channel properties to an associated evolved node B (eNB). - View Dependent Claims (17, 18, 19, 20)
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21. A method of wireless communication, comprising:
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compiling a plurality of sets of scheduling parameter values, wherein each set of the plurality of sets includes a plurality of scheduling parameters designed to configure scheduling of a reporting engine of a user equipment (UE) for estimating channel properties of the UE, and wherein two or more of the plurality of sets are compiled for a specific UE, including a first set of scheduling parameter values that includes a first periodicity for estimating at least a first rank indicator and a first offset, and a second set of scheduling parameter values that includes a second periodicity for estimating at least a second rank indicator and a second offset; and transmitting the plurality of sets of scheduling parameters values to a corresponding one or more UEs, wherein at least one of the plurality of sets includes a plurality of scheduling parameters configuring the reporting engine to estimate channel properties for clean interlaces, and wherein at least another of the plurality of sets includes another plurality of scheduling parameters configuring the reporting engine to estimate channel properties for unclean interlaces.
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22. An apparatus configured for wireless communication, comprising:
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means for compiling a plurality of sets of scheduling parameter values, wherein each set of the plurality of sets includes a plurality of scheduling parameters designed to configure scheduling of a reporting engine of a user equipment (UE) for estimating channel properties of the UE, and wherein two or more of the plurality of sets are compiled for a specific UE, including a first set of scheduling parameter values that includes a first periodicity for estimating at least a first rank indicator and a first offset, and a second set of scheduling parameter values that includes a second periodicity for estimating at least a second rank indicator and a second offset; and means for transmitting the plurality of sets of scheduling parameters values to a corresponding one or more UEs, wherein at least one of the plurality of sets includes a plurality of scheduling parameters configuring the reporting engine to estimate channel properties for clean interlaces, and wherein at least another of the plurality of sets includes another plurality of scheduling parameters configuring the reporting engine to estimate channel properties for unclean interlaces.
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23. A computer program product for wireless communications in a wireless network, comprising:
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a non-transitory computer-readable medium having program code recorded thereon, the program code comprising; program code to compile a plurality of sets of scheduling parameter values, wherein each set of the plurality of sets includes a plurality of scheduling parameters designed to configure scheduling of a reporting engine of a user equipment (UE) for estimating channel properties of the UE, and wherein two or more of the plurality of sets are compiled for a specific UE, including a first set of scheduling parameter values that includes a first periodicity for estimating at least a first rank indicator and a first offset, and a second set of scheduling parameter values that includes a second periodicity for estimating at least a second rank indicator and a second offset; and program code to transmit the plurality of sets of scheduling parameters values to a corresponding one or more UEs, wherein at least one of the plurality of sets includes a plurality of scheduling parameters configuring the reporting engine to estimate channel properties for clean interlaces, and wherein at least another of the plurality of sets includes another plurality of scheduling parameters configuring the reporting engine to estimate channel properties for unclean interlaces.
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24. An apparatus configured for wireless communication, comprising
at least one processor; - and
a memory coupled to the at least one processor, wherein the at least one processor is configured; to compile a plurality of sets of scheduling parameter values, wherein each set of the plurality of sets includes a plurality of scheduling parameters designed to configure scheduling of a reporting engine of a user equipment (UE) for estimating channel properties of the UE, and wherein two or more of the plurality of sets are compiled for a specific UE, including a first set of scheduling parameter values that includes a first periodicity for estimating at least a first rank indicator and a first offset, and a second set of scheduling parameter values that includes a second periodicity for estimating at least a second rank indicator and a second offset; and to transmit the plurality of sets of scheduling parameters values to a corresponding one or more UEs, wherein at least one of the plurality of sets includes a plurality of scheduling parameters configuring the reporting engine to estimate channel properties for clean interlaces, and wherein at least another of the plurality of sets includes another plurality of scheduling parameters configuring the reporting engine to estimate channel properties for unclean interlaces.
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Specification