Downlink Control Information Set Switching When Using Carrier Aggregation
First Claim
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1. A method performed by a user equipment (UE), the method comprising:
- reconfiguring the UE, when carriers are aggregated for use by the UE, from a first downlink control information (DCI) set to a second DCI set; and
receiving, at the UE from an access device, a physical downlink control channel (PDCCH) with DCI formats containing a carrier indicator field (CIF),wherein the first DCI set comprises a set of DCI formats having a first CIF size, and wherein the second DCI set comprises a set of DCI formats having a second, different CIF size.
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Abstract
A method and apparatus for reconfiguring a user equipment configured for multi-carrier operation from a first downlink control information set to a second downlink control information set while carrier aggregation is being used, including receiving a physical downlink control channel with downlink control information formats containing a carrier indicator field.
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Citations
22 Claims
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1. A method performed by a user equipment (UE), the method comprising:
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reconfiguring the UE, when carriers are aggregated for use by the UE, from a first downlink control information (DCI) set to a second DCI set; and receiving, at the UE from an access device, a physical downlink control channel (PDCCH) with DCI formats containing a carrier indicator field (CIF), wherein the first DCI set comprises a set of DCI formats having a first CIF size, and wherein the second DCI set comprises a set of DCI formats having a second, different CIF size. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A user equipment (UE) comprising:
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a processor configured to; reconfigure the UE, when carriers are aggregated for use by the UE, from a first downlink control information (DCI) set to a second DCI set; and receive, at the UE from an access device, a physical downlink control channel (PDCCH) with DCI formats containing a carrier indicator field (CIF), wherein the first DCI set comprises a set of DCI formats having a first CIF size, and wherein the second DCI set comprises a set of DCI formats having a second, different CIF size. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An access device comprising:
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a processor configured to; cause reconfiguration of a user equipment (UE), when carriers are aggregated for use by the UE, from a first downlink control information (DCI) set to a second DCI set; transmit a physical downlink control channel (PDCCH) with DCI formats containing a carrier indicator field (CIF), wherein the first DCI set comprises a set of DCI formats having a first CIF size, and wherein the second DCI set comprises a set of DCI formats having a second, different CIF size. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification