14 results about "Open loop power control" patented technology

A communication method, apparatus, and system. First information is received, where the first information is usable to indicate a first open-loop power control parameter and a second open-loop power control parameter. A first power and a second power are determined based on the first information, where the first open-loop power control parameter usable for determining the first power is different from the second open-loop power control parameter usable for determining the second power. The first power is a transmit power of a first PUSCH, the second power is a transmit power of a second PUSCH, a symbol occupied by the first PUSCH is an SBFD symbol, and a symbol occupied by the second PUSCH is a non-SBFD symbol. The first PUSCH is sent on a first BWP by using the first power. The second PUSCH is sent on the first BWP by using the second power.

Certain aspects of the present disclosure provide techniques for obtaining a set of input parameters associated with an open-loop power control (OLPC) parameter determination; and transmitting a communication using one or more OLPC parameters, wherein the one or more OLPC parameters are based on the set of input parameters and the OLPC parameter determination, and wherein the one or more OLPC parameters are associated with at least one of a quality of service or an energy allocation.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive random access configuration information that indicates a set of target power parameters and a set of power offset parameters. The set of target power parameters may be associated with a first slot type or a second slot type, and the set of power offset parameters may be associated with the first slot type or the second slot type. The UE may transmit a random access message during a random access occasion of the first slot type according to a first target power parameter of the set of target power parameters and a power ramping parameter.

Methods, systems, and devices for wireless communications are described. The described techniques may enable a user equipment (UE) to determine a transmission power for uplink messages in uplink dense deployment. For example, the UE may receive a medium access control-control element (MAC-CE) message indicating transmit power control (TPC) information for one or more uplink messages to an uplink-dedicated network entity. For example, the MAC-CE message may indicate a close loop power control parameter, a pathloss offset, or an open loop power control parameter. Additionally, or alternatively, the UE may receive a downlink control information (DCI) message indicating a pathloss offset change or a relative open loop power control parameter change. Additionally, or alternatively, the UE may receive an indication of a reference signal received power (RSRP) associated with an uplink reference signal, and may calculate a pathloss of an uplink channel based on the RSRP.

Methods and systems for operating in a WLAN are provided. Methods and systems for transmit power control (TPC) schemes are disclosed. In one embodiment, an access point (AP) can send a trigger frame to one or more stations (STAs) for synchronization and scheduling of uplink (UL) multi-user (MU) transmissions. The trigger frame can contain an open loop power control index 1 and a power adjustment index 2. The one or more STAs can use the indicated AP transmit power and receive power to estimate path loss to set a baseline power. The one or more STAs can adjust their transmit power to the target receive power indicated at the AP in the UL transmission period.

The present disclosure relates to an open-loop power control method, device and storage medium for uplink PUSCH. The open-loop power control method for uplink PUSCH is applied to a network device, comprising: in response to sending first indication information and the first indication information not containing an SRI indication domain, configuring and determining the open-loop power control parameters of one or more TRPs used by a terminal when facing multiple TRP cooperation to send PUSCH, wherein the open-loop power control parameters include corresponding open-loop power boosting values; the first indication information is used to indicate the open-loop power boosting values used when multiple TRP cooperation is used to send PUSCH, wherein the open-loop power boosting values used when sending PUSCH correspond to different cooperation TRPs for sending PUSCH. Through the present disclosure, the control of the open-loop power in the PUSCH enhancement based on multiple TRPs is realized.

A method for operating a user equipment (UE) includes receiving at least one of a configuration of a first group of one or more downlink (DL) signals, a configuration of a second group of one or more open-loop power control (PC) parameters, a configuration of a third group of one or more closed-loop PC parameters, or a configuration of a fourth group of one or more loop states, receiving a configuration of a PC setting, wherein the PC setting is associated with at least one of a subset of the first group, a subset of the second group, a subset of the third group, or a subset of the fourth group, selecting a transmit power level in accordance with the PC setting and a pathloss, wherein the pathloss is determined in accordance with a DL reference signal (SS) and a synchronization signal (SS).

The present disclosure relates to an open loop power control method, an apparatus, and a storage medium for uplink PUSCH. The open loop power control method for uplink PUSCH is applied to a network device, and includes the steps of: sending first indication information; and in response to the absence of an SRI indication field in the first indication information, setting and determining open loop power control parameters of one or more TRPs used by the terminal when the terminal transmits a PUSCH toward a multi-coordinated TRP, the open loop power control parameters including corresponding open loop power boost values, the first indication information indicating an open loop power boost value used when transmitting a PUSCH toward a multi-coordinated TRP, and the open loop power boost value used when transmitting a PUSCH corresponds to a different coordinated TRP transmitting a PUSCH. The present disclosure realizes open loop power control in PUSCH extension based on multi-TRP.

Embodiments of the present application are related to a method and apparatus for PUSCH transmission with repetitions. An exemplary method includes: receiving DCI scheduling a plurality of repetitions of a PUSCH transmission, wherein there is at least one open-loop power control parameter set indication in the DCI; receiving configuration information associated with the PUSCH transmission, indicating: a first and a second SRS resource sets, a mapping pattern, and at least one list of P0-PUSCH-Set, wherein a first part of the plurality of repetitions is associated with the first SRS resource set and a second part of the plurality of repetitions is associated with the second SRS resource set according to the mapping pattern: and transmitting the first part and second part of the plurality of repetitions according to a first P0 value and a second P0 value respectively determined based on the received DCI and configuration information.

A wireless transmit receive unit (WTRU) uses an open loop power control (OLPC) formula with sidelink (SL) or downlink (DL) pathloss parameters to transmit a first SL positioning reference signal (SL-PRS) and determines to apply a power offset as a function of the QoS of the positioning service for a second SL-PRS, QoS if a reference signal received power (RSRP) measured and transmitted by a peer WTRU in response to receiving the first SL-PRS is below a configured threshold RSRP associated with the QoS of the positioning service. Additional embodiments are disclosed.

Apparatuses, systems, and methods for power control for sidelink positioning reference symbols, e.g., in 5G NR systems and beyond. A UE may determine a sidelink transmit power when transmitting a sidelink PRS. Additionally, the UE may determine that a sidelink open-loop power control is configured to use at least one of a downlink pathloss or a sidelink pathloss. Further, the UE may estimate a referenced signal received power (RSRP) and a pathloss and estimate a sidelink transmit power for the sidelink PRS based, at least in part on the sidelink open-loop power control, the pathloss, and the RSRP.

An open-loop power control method and apparatus for a PUSCH. The method includes: configuring and determining an open-loop power control (OLPC) parameter required by a terminal, in which the OLPC parameter includes one or more power boosting parameters corresponding to one or more transmission and reception points (TRPs); and sending first indication information, in which the first indication information is configured to indicate power boosting parameters used when the PUSCH is sent based on a multi-TRP cooperation, and the power boosting parameters used when the PUSCH is sent correspond to different cooperative TRPs to which the PUSCH is sent.

Certain aspects of the present disclosure provide techniques for obtaining a set of input parameters associated with an open-loop power control (OLPC) parameter determination; and transmitting a communication using one or more OLPC parameters, wherein the one or more OLPC parameters are based on the set of input parameters and the OLPC parameter determination, and wherein the one or more OLPC parameters are associated with at least one of a quality of service or an energy allocation.

Aspects relate to supporting power control for physical uplink control channel (PUCCH) transmissions on uplink secondary component carriers (SCCs) for wireless communications systems. In some aspects, a user equipment (UE) receives a power control configuration from a base station to be used by the UE for PUCCH transmissions on a selected uplink SCC. The UE then transmits a PUCCH to the base station on the selected uplink SCC based at least in part on the power control configuration. Closed loop and open loop power control examples are provided. In some aspects, a common or shared power control configuration is provided by the base station for use with each component carrier of a PUCCH group. In other aspects, a carrier-specific power control configuration is provided by the base station.