Enhanced positioning reference signal transmission in wireless communication network
First Claim
Patent Images
1. A method for wireless communications by a user equipment (UE), comprising:
- determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes;
receiving an indication of a switch from the first subframe configuration to a second subframe configuration; and
determining a second set of one or more downlink subframes for receiving PRS when communicating according to the second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration.
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Abstract
Methods and apparatus for determining a PRS configuration in a dynamic TDD configuration adaptation are described. One example method generally includes determining a first PRS configuration for receiving PRS when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes, receiving an indication of a switch from the first subframe configuration to a second subframe configuration, and determining a second PRS configuration for receiving PRS when communicating according to the second subframe configuration.
15 Citations
33 Claims
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1. A method for wireless communications by a user equipment (UE), comprising:
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determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; receiving an indication of a switch from the first subframe configuration to a second subframe configuration; and determining a second set of one or more downlink subframes for receiving PRS when communicating according to the second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 33)
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11. An apparatus for wireless communications by a user equipment (UE), comprising:
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means for determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; means for receiving an indication of a switch from the first subframe configuration to a second subframe configuration; and means for determining a second set of one or more downlink subframes for receiving PRS for receiving PRS when communicating according to the second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for wireless communications by a user equipment (UE), comprising:
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at least one processor configured to; determine a first set of one or more downlink subframes for receiving positioning reference signals (PRS) when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; receive an indication of a switch from the first subframe configuration to a second subframe configuration; and determine a second set of one or more downlink subframes for receiving PRS for receiving PRS when communicating according to the second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration; and a memory coupled to the at least one processor.
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22. A non-transitory computer-readable medium having instructions stored thereon, the instructions being executable by one or more processors and the instructions comprising:
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instructions for determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; instructions for receiving an indication of a switch from the first subframe configuration to a second subframe configuration; and instructions for determining a second set of one or more downlink subframes for receiving PRS for receiving PRS when communicating according to the second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration.
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23. A method for wireless communications by a user equipment, comprising:
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determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) from a first cell when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; and determining a second set of one or more downlink subframes for receiving PRS from a second cell when communicating according to a second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration. - View Dependent Claims (24, 25, 26)
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27. An apparatus for wireless communications by a user equipment, comprising:
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means for determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) from a first cell when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; and means for determining a second set of one or more downlink subframes for receiving PRS from a second cell when communicating according to a second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration. - View Dependent Claims (28, 29, 30)
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31. An apparatus for wireless communications by a user equipment, comprising:
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at least one processor configured to; determine a first set of one or more downlink subframes for receiving positioning reference signals (PRS) from a first cell when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; and determine a second set of one or more downlink subframes for receiving PRS from a second cell when communicating according to a second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration; and a memory coupled to the at least one processor.
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32. A non-transitory computer-readable medium having instructions stored thereon, the instructions being executable by one or more processors and the instructions comprising:
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instructions for determining a first set of one or more downlink subframes for receiving positioning reference signals (PRS) from a first cell when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes; and instructions for determining a second set of one or more downlink subframes for receiving PRS from a second cell when communicating according to a second subframe configuration, wherein the first set of one or more downlink subframes for receiving PRS and the second set of one or more downlink subframes for receiving PRS are defined based on one or more common downlink subframes between the first subframe configuration and the second subframe configuration.
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Specification