Data transmission in inactive state
First Claim
Patent Images
1. A method for wireless communication by a base station, comprising:
- receiving an indication of downlink data for or uplink data from a user equipment (UE) that is in a state with no dedicated resources allocated to the UE in a network;
determining whether or not to transfer context of the UE to another base station based on one or more factors regarding the data or the network; and
processing the data in accordance with the determination, by at least;
performing a UE context transfer to the other base station via a handover procedure if the determination is to transfer context, andtransferring downlink data without a UE context transfer to the other base station if the determination is not to transfer context, by;
at least one of encrypting or performing integrity protection of the downlink data with stored encryption and integrity protection keys for the UE, andproviding the at least one of encrypted or integrity protected downlink data to the other base station.
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Abstract
Certain aspects of the present disclosure relate to methods and apparatus for optimizing delivery of a data to and/or from a UE in a connected but inactive state.
26 Citations
16 Claims
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1. A method for wireless communication by a base station, comprising:
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receiving an indication of downlink data for or uplink data from a user equipment (UE) that is in a state with no dedicated resources allocated to the UE in a network; determining whether or not to transfer context of the UE to another base station based on one or more factors regarding the data or the network; and processing the data in accordance with the determination, by at least; performing a UE context transfer to the other base station via a handover procedure if the determination is to transfer context, and transferring downlink data without a UE context transfer to the other base station if the determination is not to transfer context, by; at least one of encrypting or performing integrity protection of the downlink data with stored encryption and integrity protection keys for the UE, and providing the at least one of encrypted or integrity protected downlink data to the other base station. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for wireless communication, comprising:
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at least one interface configured to obtain an indication of downlink data for or uplink data from a user equipment (UE) that is in a state with no dedicated resources allocated to the UE in a network; and a processing system configured to; determine whether or not to transfer context of the UE to a base station based on one or more factors regarding the data or the network, and process the data in accordance with the determination, by at least; performing a UE context transfer to the base station via a handover procedure if the determination is to transfer context, and transferring downlink data without a UE context transfer to the base station if the determination is not to transfer context, by; at least one of encrypting or performing integrity protection of the downlink data with stored encryption and integrity protection keys for the UE, and providing the at least one of encrypted or integrity protected downlink data to the base station. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus for wireless communication, comprising:
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means for receiving an indication of downlink data for or uplink data from a user equipment (UE) that is in a state with no dedicated resources allocated to the UE in a network; means for determining whether or not to transfer context of the UE to a base station based on one or more factors regarding the data or the network; and means for processing the data in accordance with the determination, wherein the means for processing the data comprises; means for performing a UE context transfer to the base station via a handover procedure if the determination is to transfer context, and means for transferring downlink data without a UE context transfer to the base station if the determination is not to transfer context, wherein the means for transferring the downlink data comprises; means for at least one of encrypting or performing integrity protection of the downlink data with stored encryption and integrity protection keys for the UE, and means for providing the at least one of encrypted or integrity protected downlink data to the base station.
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16. A non-transitory computer readable medium having instructions stored thereon for:
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receiving an indication of downlink data for or uplink data from a user equipment (UE) that is in a state with no dedicated resources allocated to the UE in a network; determining whether or not to transfer context of the UE to a base station based on one or more factors regarding the data or the network; and processing the data in accordance with the determination, by at least; performing a UE context transfer to the other base station via a handover procedure if the determination is to transfer context, and transferring downlink data without a UE context transfer to the other base station if the determination is not to transfer context, by; at least one of encrypting or performing integrity protection of the downlink data with stored encryption and integrity protection keys for the UE, and providing the at least one of encrypted or integrity protected downlink data to the other base station.
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Specification