SIGNALING OF VIRTUAL CELL IDENTIFIERS AND FALLBACK OPERATION
First Claim
Patent Images
1. A method of wireless communications, comprising:
- receiving a signal including downlink control information (DCI); and
selecting one of a plurality of cell identifiers based on one or more properties associated with the DCI, wherein the one or more properties are not exclusively associated with determining a cell identifier.
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Abstract
A method, an apparatus, and a computer program product for wireless communication are provided in which a cell identifier is selected based on one or more properties associated with received downlink control information (DCI), where the properties may not be exclusively associated with determining a cell identifier. The cell identifier may be selected from a plurality of cell identifiers received through radio resource control signaling. The properties of the DCI may include a type of download control channel, a type of subframe and a type of DCI format used to provide the DCI.
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Citations
66 Claims
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1. A method of wireless communications, comprising:
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receiving a signal including downlink control information (DCI); and selecting one of a plurality of cell identifiers based on one or more properties associated with the DCI, wherein the one or more properties are not exclusively associated with determining a cell identifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for wireless communication, comprising:
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means for receiving a signal including downlink control information (DCI); and means for selecting one of a plurality of cell identifiers based on one or more properties associated with the DCI, wherein the one or more properties are not exclusively associated with determining a cell identifier. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for wireless communication, comprising:
a processing system configured to; receive a signal including downlink control information (DCI); and select one of a plurality of cell identifiers based on one or more properties associated with the DCI, wherein the one or more properties are not exclusively associated with determining a cell identifier.
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22. A computer program product, comprising:
a computer-readable medium comprising code for; receiving a signal including downlink control information (DCI); and selecting one of a plurality of cell identifiers based on one or more properties associated with the DCI, wherein the one or more properties are not exclusively associated with determining a cell identifier.
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23. A method of wireless communications, comprising:
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receiving a signal including downlink control information (DCI) including an uplink grant, wherein the DCI is received in one of a PDCCH or an ePDCCH; determining the location of a Hybrid Automatic Repeat ReQuest (HARQ) indicator based on the uplink grant, the determining including at least one of; identifying the HARQ indicator in a physical HARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and identifying the HARQ indicator in an enhanced PHICH in a data region when the grant is provided in the ePDCCH. - View Dependent Claims (24, 25)
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26. An apparatus for wireless communication, comprising:
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means for receiving a signal including downlink control information (DCI) including an uplink grant, wherein the DCI is received in one of a PDCCH or an ePDCCH; means for determining the location of a hybrid ARQ indicator based on the uplink grant, wherein the means for determining identifies at least one of; the hybrid ARQ indicator in a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and the hybrid ARQ indicator in an enhanced PHICH in a data region when the grant is provided in the ePDCCH. - View Dependent Claims (27, 28)
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29. An apparatus for wireless communication, comprising:
a processing system configured to; receive a signal including downlink control information (DCI) including an uplink grant, wherein the DCI is received in one of a PDCCH or an ePDCCH; determine the location of a hybrid ARQ indicator based on the uplink grant, wherein the processing system determines the location by identifying at least one of; the hybrid ARQ indicator in a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and the hybrid ARQ indicator in an enhanced PHICH in a data region when the grant is provided in the ePDCCH.
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30. A computer program product, comprising:
a computer-readable medium comprising code for; receiving a signal including downlink control information (DCI) including an uplink grant, wherein the DCI is received in one of a PDCCH or an ePDCCH; determining the location of a hybrid ARQ indicator based on the uplink grant, the determining including at least one of; identifying the hybrid ARQ indicator in a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and identifying the hybrid ARQ indicator in an enhanced PHICH in a data region when the grant is provided in the ePDCCH.
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31. A method of wireless communications, comprising:
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determining an index based on a format type of downlink control information (DCI); and selecting a set of parameters from a plurality of sets of the parameters based on the index, wherein the set of parameters defines one or more characteristics of a virtual cell, and wherein the plurality of sets of the parameters is configured through radio resource control (RRC) signaling. - View Dependent Claims (32, 33)
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34. An apparatus for wireless communication, comprising:
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means for determining an index based on a format type of downlink control information (DCI); and means for selecting a set of parameters from a plurality of sets of the parameters based on the index, wherein the set of parameters defines one or more characteristics of a virtual cell, and wherein the plurality of sets of the parameters is configured through radio resource control (RRC) signaling. - View Dependent Claims (35, 36)
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37. An apparatus for wireless communication, comprising:
a processing system configured to; determine an index based on a format type of downlink control information (DCI); and select a set of parameters from a plurality of sets of the parameters based on the index, wherein the set of parameters defines one or more characteristics of a virtual cell, and wherein the plurality of sets of the parameters is configured through radio resource control (RRC) signaling.
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38. A computer program product, comprising:
a computer-readable medium comprising code for; determining an index based on a format type of downlink control information (DCI); and selecting a set of parameters from a plurality of sets of the parameters based on the index, wherein the set of parameters defines one or more characteristics of a virtual cell, and wherein the plurality of sets of the parameters is configured through radio resource control (RRC) signaling.
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39. A method of wireless communications, comprising:
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configuring one or more properties of downlink control information (DCI), wherein a user equipment (UE) is adapted to determine a cell identifier indicated by the configured properties, and wherein the configured properties are not exclusively associated with determining the cell identifier; and transmitting a signal including the DCI to the UE. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. An apparatus for wireless communication, comprising:
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means for configuring one or more properties of downlink control information (DCI), wherein a user equipment (UE) is adapted to determine a cell identifier indicated by the configured properties, and wherein the configured properties are not exclusively associated with determining the cell identifier; and means for transmitting a signal including the DCI to the UE. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. An apparatus for wireless communication, comprising:
a processing system configured to; configure one or more properties of downlink control information (DCI), wherein a user equipment (UE) is adapted to determine a cell identifier indicated by the configured properties, and wherein the configured properties are not exclusively associated with determining the cell identifier; and transmit a signal including the DCI to the UE.
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60. A computer program product, comprising:
a computer-readable medium comprising code for; configuring one or more properties of downlink control information (DCI), wherein a user equipment (UE) is adapted to determine a cell identifier indicated by the configured properties, and wherein the configured properties are not exclusively associated with determining the cell identifier; and transmitting a signal including the DCI to the UE.
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61. A method of wireless communications, comprising:
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transmitting a signal including downlink control information (DCI) that includes an uplink grant to a user equipment (UE), wherein the DCI is transmitted in one of a PDCCH or an ePDCCH; transmitting an acknowledgement (ACK) or a negative acknowledgement (NACK), the transmitting of the ACK or the NACK comprising at least one of; transmitting the ACK or the NACK in a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and transmitting the ACK or the NACK in an enhanced PHICH in a data region when the grant is provided in the ePDCCH. - View Dependent Claims (62)
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63. An apparatus for wireless communication, comprising:
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means for transmitting a signal including downlink control information (DCI) that includes an uplink grant to a user equipment (UE), wherein the DCI is transmitted in one of a PDCCH or an ePDCCH; means for transmitting an acknowledgement (ACK) or a negative acknowledgement (NACK), wherein the means for transmitting the ACK or the NACK transmits the ACK or the NACK in; a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and an enhanced PHICH in a data region when the grant is provided in the ePDCCH. - View Dependent Claims (64)
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65. An apparatus for wireless communication, comprising:
a processing system configured to; transmit a signal including downlink control information (DCI) that includes an uplink grant to a user equipment (UE), wherein the DCI is transmitted in one of a PDCCH or an ePDCCH; transmit an acknowledgement (ACK) or a negative acknowledgement (NACK), wherein the processing system transmits the ACK or the NACK in at least one of; a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and an enhanced PHICH in a data region when the grant is provided in the ePDCCH.
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66. A computer program product, comprising:
a computer-readable medium comprising code for; transmitting a signal including downlink control information (DCI) that includes an uplink grant to a user equipment (UE), wherein the DCI is transmitted in one of a PDCCH or an ePDCCH; transmitting an acknowledgement (ACK) or a negative acknowledgement (NACK), the transmitting of the ACK or the NACK comprising at least one of; transmitting the ACK or the NACK in a physical hybrid ARQ indicator channel (PHICH) in a control region when the grant is provided in the PDCCH; and transmitting the ACK or the NACK in an enhanced PHICH in a data region when the grant is provided in the ePDCCH.
Specification