Example aspects include a method, apparatus, and computer-readable medium for wireless communication at user equipment (UE) of a mobile network, comprising monitoring an uplink metric of an uplink transmission channel. The aspects further include calculating an uplink transmit power based at least on a tolerance threshold. Additionally, the aspects include transmitting, via the uplink transmission channel according to the uplink transmit power, an uplink transmission. Additionally, the aspects include detecting a change in the uplink metric. Additionally, the aspects include comparing the change in the uplink metric with performance improvement criteria. Additionally, the aspects include determining whether to adjust the uplink transmit power. Additionally, the aspects include iterating adjustments to the uplink transmit power. Additionally, the aspects include stopping the adjustments to the uplink transmit power in response to determining that the uplink metric meets a performance threshold or in response to determining that the tolerance threshold has been met.

Methods and apparatus for changing cell range coverage are disclosed. A wireless transmit/receive unit (WTRU) may include circuitry configured to transmit subframes of radio frames using a physical uplink shared channel (PUSCH), where the subframes are divided into first and second sets. The circuitry may include a first power control loop utilized for the first set of subframes and a second power control loop utilized for the second set of subframes. The first power control loop may set transmission power levels for transmission over the PUSCH for the first set of subframes, and the second power control loop may set transmission power levels for transmission over the PUSCH for the second set of subframes. The circuitry may be configured with a first physical uplink control channel (PUCCH) for a first eNodeB and a second PUCCH for a second eNodeB to simultaneously communicate with the first and the second eNodeBs.

Provided are a transmitting parameter determination method, an electronic device, an apparatus and a medium. The transmitting parameter determination method includes: determining a power control parameter of physical uplink shared channel (PUSCH) transmission according to association information between a sounding reference signal resource indicator (SRI) and a PUSCH power control parameter. The power control parameter of the PUSCH transmission includes at least one of an open-loop power control parameter of a PUSCH, a closed-loop power control parameter of a PUSCH, or a pathloss measurement parameter of a PUSCH.

Provided are a method and device for determining a power control parameter, and storage medium. The method includes: determining a beam state of an uplink transmission; and determining, based on the beam state, the power control parameter of the uplink transmission, where the beam state at least includes one of the following: a QCL state, a TCL state, spatial relation information, reference signal information, spatial filter information or precoding information.

Apparatuses and methods for power control for data and control channels. A method of operating a user equipment includes receiving information for a first transmission occasion for a physical uplink shared channel (PUSCH) and a second transmission occasion for a second physical uplink control channel (PUCCH) and receiving a first transmit power control (TPC) command. The method further includes determining a first power control adjustment state based on the first TPC command and a second power control adjustment state based on the first power control adjustment state. The method further includes transmitting the PUSCH in the first transmission occasion using the first power and the PUCCH in the second transmission occasion using the second power.

The technology of this application relates to a V2X communication method and an apparatus. The method includes a first network element obtains UE density information of a first area in which target UE is located, and the first network element sends first information to the target UE based on the UE density information, where the first information is used by the target UE to adjust transmit power of a PC5 interface. The method provided in this application can improve V2X communication quality, and further reduce power consumption of UE. In addition, it can also be avoided that primary responsibility of an accident is transferred to a server, and information received by the UE is determined using global information, so that an error can be reduced.

The technology of this application relates to a V2X communication method and an apparatus. The method includes a first network element obtains UE density information of a first area in which target UE is located, and the first network element sends first information to the target UE based on the UE density information, where the first information is used by the target UE to adjust transmit power of a PC5 interface. The method provided in this application can improve V2X communication quality, and further reduce power consumption of UE. In addition, it can also be avoided that primary responsibility of an accident is transferred to a server, and information received by the UE is determined using global information, so that an error can be reduced.

Disclosed are methods for adjusting cell coverage of a multimedia broadcast multicast service. An example method (700) may include transmitting (701) data of a multimedia broadcast multicast service on a point-to-multipoint channel, monitoring (702) an uplink channel for information on an abnormal reception of the data, and adjusting (703) coverage of the point-to-multipoint channel based on the monitoring. Related apparatuses and computer readable media are also disclosed.

A technique for power control including receiving, by a user device, a resource block allocation for uplink transmission that includes one or more resource blocks within a frequency channel; determining at least one resource allocation region or which an uplink resource block allocation within the resource allocation region will require an additional maximum power reduction (e.g., to reduce interference to a protected frequency band); and applying, by the user device, the additional maximum power reduction for a transmission power of the user device based on the resource block allocation being within the at least one resource allocation region.

Certain examples of the present invention relate to carrier management in a wireless communication network. Certain examples provide a User Equipment, UE, comprising: means for receiving, following a maximum permissible exposure, MPE, event occurring during operation over a first carrier such that the UE is no longer operating over the first carrier, a first signal, over a second carrier, for configuring the UE to determine a status of the MPE event associated with the previously used first carrier; means for determining, responsive to receipt of the first signal, a current status of the MPE event associated with the previously used first carrier; and means for transmitting, responsive to receipt of the first signal, a second signal over the second carrier, wherein the second signal comprises an indication of the current status of the MPE event associated with the previously used first carrier.