Flexible uplink power control for aerial user equipments
AssigneeQUALCOMM Incorporated
InventorsChiranjib Saha, Alberto Rico Alvarino, Le Liu, Kazuki Takeda
Life of this patent
Estimating the term…
Abstract
Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for managing uplink power control. For example, the techniques may be used for uplink power control for physical uplink shared channel (PUSCH) transmissions from unmanned aerial vehicles (UAVs).
Claims22
A method for wireless communications by a user equipment (UE), comprising:
- receiving, from a network entity, a medium access control (MAC) control element (CE);
- selecting a set of open loop power control (OLPC) parameters, for an uplink signal, based on information in the MAC CE, wherein the set of OLPC parameters includes at least an alpha parameter for fractional power control and a P0 parameter representing a target received power per resource block (RB) at the network entity;
- and
- transmitting the uplink signal to the network entity, with transmit power determined based on the selected OLPC parameters.
A method for wireless communications by a user equipment (UE), comprising:
- receiving, from a network entity, a downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) transmission;
- selecting, when the DCI lacks a sounding reference signal (SRS) resource indicator (SRI) field or when the UE has not been configured for SRI based PUSCH power control, a set of open loop power control (OLPC) parameters from a list of different sets of OLPC parameters based on information in the DCI, wherein each set of OLPC parameters include at least an alpha parameter for fractional power control and a P0 parameter representing a target received power per resource block (RB) at the network entity;
- and
- transmitting the PUSCH to the network entity, with transmit power determined based on the selected OLPC parameters.
A method for wireless communications by a network entity, comprising:
- transmitting, to a user equipment (UE), a medium access control (MAC) control element (CE) that indicates a set of open loop power control (OLPC) parameters for an uplink signal from the UE, wherein the set of OLPC parameters includes at least an alpha parameter for fractional power control and a P0 parameter representing a target received power per resource block (RB) at the network entity;
- and
- receiving the uplink signal from the UE.
A method for wireless communications by a network entity, comprising:
- transmitting, to a user equipment (UE), a downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) transmission, wherein:
- the DCI indicates a set of open loop power control (OLPC) parameters, from a list of different sets of OLPC parameters, when the DCI lacks a sounding reference signal (SRS) resource indicator (SRI) field or when the UE has not been configured for SRI based PUSCH power control, and
- each set of OLPC parameters includes at least an alpha parameter for fractional power control and a P0 parameter representing a target received power per resource block (RB) at the network entity;
- and
- receiving the PUSCH to the network entity.
Dependencies are inferred from the claim text.