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US 10,771,214 B2Granted
System and method for uplink power contrl framework
AssigneeApple Inc.
InventorYushu Zhang
Life of this patent
Estimating the term…
Abstract
Systems, apparatuses, methods, and computer-readable media, for an uplink power control framework are described. Embodiments may include power control for physical uplink shared channel (PUSCH) and power control for sounding reference signals (SRS). Other embodiments may be described and/or claimed.
Claims20
An apparatus of a user equipment (UE) operable to configure transmission power for physical uplink shared channel (PUSCH), the apparatus comprising:
- processing circuitry, wherein for PUSCH transmissions on frequencies greater than 6 GHz, the processing circuitry is to configure the UE to use more than one beam pair link (BPL), and
- wherein for PUSCH transmissions on frequencies greater than 6 GHz, the processing circuitry is configured to:
- receive, at the UE, a sounding reference signal (SRS) resource indicator that indicates two SRS resources of a set of SRS resources, the two SRS resources associated with two beam pair links (BPLs);
- decode, at the UE, higher layer signaling including sets of one or more power control factors and a set of downlink reference signals, wherein each of the set of SRS resources is associated with one set of the one or more power control factors and one of the downlink reference signals;
- estimate, at the UE, a path loss based on the downlink reference signal corresponding to the two SRS resources indicated by the SRS resource indicator;
- and
- determine, at the UE, a transmission power for the PUSCH for transmission on frequencies greater than 6 GHz based on the path loss and the set of the one or more power control factors corresponding to the two SRS resources indicated by the SRS resource indicator, wherein the PUSCH is transmitted on a BPL associated with each of the two SRS resources;
- and
- a memory interface, wherein an indicator of the transmission power is sent to a memory via the memory interface;
- wherein for the frequencies greater than 6 GHz, the UE is configured for transmission of the PUSCH within one or multiple bandwidth parts (BWPs) of a component carrier, and wherein a bandwidth part (BWP) index and a component carrier (CC) index for the downlink reference signal for path loss estimation is configured by higher layer signaling and mapped to each SRS resource.
7 more elements
A method for operating a user equipment (UE) to configure transmission power for physical uplink shared channel (PUSCH), the method comprising:
- for PUSCH transmissions on frequencies greater than 6 GHz:
- configuring the UE to use more than one beam pair link (BPL);
- receiving a sounding reference signal (SRS) resource indicator that indicates two SRS resources of a set of SRS resources, the two SRS resources associated with two beam pair links (BPLs);
- decoding higher layer signaling including sets of one or more power control factors and a set of downlink reference signals, wherein each of the set of SRS resources is associated with one set of the one or more power control factors and one of the downlink reference signals;
- estimating a path loss based on the downlink reference signal corresponding to the two SRS resources indicated by the SRS resource indicator;
- and
- determining a transmission power for the PUSCH for transmission on frequencies greater than 6 GHz based on the path loss and the set of the one or more power control factors corresponding to the two SRS resources indicated by the SRS resource indicator, wherein the PUSCH is transmitted on a BPL associated with each of the two SRS resources;
- and
- sending an indicator of the transmission power to a memory via a memory interface of the UE;
- and
- for the frequencies greater than 6 GHz, configuring the UE for transmission of the PUSCH within one or multiple bandwidth parts (BWPs) of a component carrier, and wherein a bandwidth part (BWP) index and a component carrier (CC) index for the downlink reference signal for path loss estimation is configured by higher layer signaling and mapped to each SRS resource.
8 more elements
A non-transitory memory medium for operating a user equipment (UE), wherein the memory medium stores instructions enabling the UE to configure transmission power for physical uplink shared channel (PUSCH), wherein the instructions, when executed by one or more processors, cause the processors to implement:
- for PUSCH transmissions on frequencies greater than 6 GHz:
- configuring the UE to use more than one beam pair link (BPL);
- receiving a sounding reference signal (SRS) resource indicator that indicates two SRS resources of a set of SRS resources, the two SRS resources associated with two beam pair links (BPLs);
- decoding higher layer signaling including sets of one or more power control factors and a set of downlink reference signals, wherein each of the set of SRS resources is associated with one set of the one or more power control factors and one of the downlink reference signals;
- estimating a path loss based on the downlink reference signal corresponding to the two SRS resources indicated by the SRS resource indicator;
- and
- determining a transmission power for the PUSCH for transmission on frequencies greater than 6 GHz based on the path loss and the set of the one or more power control factors corresponding to the two SRS resources indicated by the SRS resource indicator, wherein the PUSCH is transmitted on a BPL associated with each of the two SRS resources;
- and
- sending an indicator of the transmission power to a memory via a memory interface of the UE;
- and
- for the frequencies greater than 6 GHz, configuring the UE for transmission of the PUSCH within one or multiple bandwidth parts (BWPs) of a component carrier, and wherein a bandwidth part (BWP) index and a component carrier (CC) index for the downlink reference signal for path loss estimation is configured by higher layer signaling and mapped to each SRS resource.
8 more elements
Dependencies are inferred from the claim text.