180 results about "Uplink power control" patented technology

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a message scheduling transmission, by the UE, of uplink control information (UCI) in a physical uplink control channel (PUCCH) resource. The UE may receive an indication that the UE is scheduled to transmit the UCI in the PUCCH resource to both a first transmission-reception point (TRP) and a second TRP. The UE may also receive a first set of uplink power control parameters for transmitting the UCI to the first TRP and a second set of uplink power control parameters for transmitting the UCI to the second TRP. The UE may transmit the UCI to the first TRP and to the second TRP in the PUCCH resource, based on the first set and the second set of uplink power control parameters, and without an uplink control channel beam indication.

Apparatus and methods for determining an uplink pathloss for a communications device. A system comprises: a first infrastructure equipment; a second infrastructure equipment; and a communications device configured to communicate with the first infrastructure equipment via a first air interface provided by the first infrastructure equipment, and to communicate with the second infrastructure equipment via a second air interface provided by the second infrastructure equipment. The first air interface is an uplink-only interface for the communications device, and wherein the second air interface is both an uplink and downlink interface for the communications device. The uplink pathloss for the communications device on the first air interface is determined based on a received signal power of a first reference signal at the first infrastructure equipment and a transmission power of the first reference signal.

Embodiments are disclosed for Sounding Reference Signal (SRS) uplink power control in case of multiple Transmission and Reception Points (TRPs). In one embodiment, a method in a User Equipment (UE) comprises receiving information that configures first and second SRS resource / resource sets with first and second SRS sequences and first and second sets of power control parameters, respectively, wherein the first and second SRS resources / resource sets are associated with a same set of UE antenna ports. The method further comprises transmitting, at a first instant(s), a first SRS using the first SRS resource / resource set with the first SRS sequence at a first uplink power level determined based on the first set of power control parameters and transmitting, at a second instant(s), a second SRS using the second SRS resource / resource set with the second SRS sequence at a second uplink power level determined based on the second set of power control parameters.

An apparatus includes at least one processor; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: determine a transmission power requested with a network node; determine a transmission quality class based on the transmission power requested with the network node; wherein the transmission quality class comprises a predefined maximum power reduction; determine an output power value based on the transmission quality class; determine an uplink transmission power as a minimum of: the output power value, and the transmission power requested with the network node; and transmit an uplink transmission, based on the uplink transmission power.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device transmits an incident signal to an ambient internet of things (A-IoT) device. The reader device receives a response from the A-IoT device. The reader device adjusts a power of the incident signal based on a status of the response such that the power of the incident signal is at a level sufficient for communication with the A-IoT device while controlling interference with other devices.

Methods, systems, and devices for wireless communications are described. In an absence of signaled uplink power control parameters for either of a first transmission configuration indicator (TCI) state associated with a first transmission and reception point (TRP) or a second TCI state associated with a second TRP, a user equipment (UE) communicating with the first TRP and the second TRP may select at least one of a first set of power control parameters associated with the first TRP or a second set of power control parameters associated with the second TRP in accordance with a default uplink power control parameter scheme. The UE may perform a first transmission to the first TRP in accordance with the first set of uplink power control parameters and a second transmission to the second TRP in accordance with the second set of uplink power control parameters.

Various aspects of the present disclosure relate to uplink power control configuration. An apparatus, such as a user equipment (UE), receives a configuration message for uplink power control, the configuration message indicating one or more uplink power control parameter sets each associated with a different time resource type. The UE transmits, based at least in part on the configuration message and according to the one or more uplink power control parameter sets, an uplink transmission using a first uplink transmit power for the uplink transmission during a first time resource type and using a second uplink transmit power during a second time resource type.

The present application relates to devices and components including apparatus, systems, and methods for uplink power control for channels having repetitions.

Techniques pertaining to efficient uplink (UL) power control for dynamic time-division duplex (TDD) and subband full duplex (SBFD) in mobile communications are described. A user equipment (UE) performs an UL transmission with TDD in an SBFD network (including dynamic TDD and SBFD). The UE separately controls UL transmit powers used in performing the UL transmission on cross-link interference (CLI) slots and on non-CLI slots.

The invention discloses a method and an apparatus in a node used for wireless communication reference signal transmission. A first node receives a first signaling, wherein the first signaling indicates a first reference signal resource; receiving a second signaling and a first reference signal, wherein whether the first reference signal can be used for calculating path loss together with other reference signals received in the first reference signal resource depends on the second signaling; a resource unit occupied by the first reference signal in a time unit where the first reference signal is located belongs to the first reference signal resource. According to the method, the calculation problem of the path loss in uplink power control is enhanced, the communication and sensing integration technology can be supported on the premise that the change cost of an existing network is low, fusion between communication and sensing is completed, the function of sensing auxiliary communication is achieved, the probability that the path loss is affected by outliers is reduced, and the path loss can be estimated correctly.

A method, device and system for performing wireless communication in a wireless communication system that includes a low power node and a macro base station with common baseband and user equipment. The user equipment communicates with the low power node and the macro base station via a plurality of component carriers. The method includes: receiving, by the user equipment, a downlink signal transmitted by the low power node and the macro base station; and transmitting uplink signals to the low power node and the macro base station, wherein the method further includes: transmitting all first uplink signals of the uplink signals to the low power node as a receiving node. Accordingly, efficiency of uplink power control of a terminal may be increased and / or the burden for uplink control channel transmission of a macro cell may be reduced.

The present application discloses a method and apparatus used in a node for wireless communication reference signal transmission. A first node receives first signaling, wherein the first signaling indicates a first reference signal resource; and receives second signaling and a first reference signal, wherein whether the first reference signal can be used together with other reference signals received in the first reference signal resource for path loss calculation depends on the second signaling, and the resource element occupied by the first reference signal in a time unit where the first reference signal is located belongs to the first reference signal resource. The present application enhances the calculation of path loss in uplink power control, and can support an integrated sensing and communication technology with minimal modification costs to the existing networks, thereby achieving fusion of communication and sensing, achieving the function of sensing-aided communication, reducing the probability of path loss being affected by outliers, and facilitating accurate estimation of path loss.

An uplink power control method includes: receiving, by a terminal device, configuration information of a maximum transmitting power sent by an access network device, the configuration information of the maximum transmitting power being configured to determine respective panel maximum transmitting powers PCMAX,P corresponding to uplink transmissions respectively performed by the terminal device via two antenna panels in a case of scheduling STxMP by M-DCI. The terminal device includes a plurality of antenna panels and supports simultaneous uplink transmissions via the plurality of antenna panels.

A method and apparatus for power control for distributed wireless communication is disclosed including one or more power control loops associated with a wireless transmit / receive unit (WTRU). Each power control loop may include open loop power control or closed loop power control. A multi-phase power control method is also disclosed with each phase representing a different time interval and a WTRU sends transmissions at different power levels to different set of node-Bs or relay stations during different phases to optimize communications.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information (DCI) that schedules an uplink communication in an uplink frequency band. The UE may transmit, at an uplink frequency within the uplink frequency band, the uplink communication with a power that varies over the uplink frequency band based at least in part on a location of the uplink frequency relative to a downlink frequency band associated with the UE. Numerous other aspects are provided.

The technology described herein is directed towards dynamically determining, based on current environment state data, a number of coverage zones within a base station's coverage area, and physical uplink shared channel (PUSCH) closed-loop power control-related data for user equipment in each zone. In one implementation, a deep reinforcement learning (DRL)-based system includes a first DRL agent that, based on the current environment state, outputs the optimal number of zones. Based on the current environment state data and the number of zones, a second DRL agent outputs optimal per-zone target signal-to-interference-plus-noise ratio (SINR) values. The SINR values are used in outputting transmit power control data to the UEs in each coverage zone. Also described is deep reinforcement learning by the system based on a reward function that can balance enhanced power efficiency with enhanced throughput to determine the optimal number of zones and SINR values for various current environment state data.

The invention relates to the technical field of communication, in particular to a communication method and device and a storage medium. The method applied to the terminal equipment comprises the following steps: receiving a first uplink power control parameter set aiming at a first working mode (such as a non-full-duplex mode) and a second uplink power control parameter set aiming at a second working mode (such as a full-duplex mode) sent by network equipment; under the condition of determining that the uplink signal corresponds to the first working mode, sending the uplink signal based on the first uplink transmitting power; and when it is determined that the uplink signal corresponds to the second working mode, sending the uplink signal based on the second uplink transmission power. Wherein the first uplink transmitting power is determined based on the first uplink power control parameter set, and the second uplink transmitting power is determined based on the second uplink power control parameter set. According to the embodiment of the invention, the terminal equipment can transmit the uplink signal by using the uplink transmission power adaptive to the working mode of the network equipment, so that the accurate control of the power in different modes is realized.

According to some embodiments, a method of operating a network node is provided. A first information element IE is provided including an indication of an added synchronization signal block / physical cell identity SSB / PCI. The indication of the added SSB / PCI indicates an SSB and associated PCI that are associated with a radio link. A second IE is provided including the indication of the added SSB / PCI. The second IE relates to at least one of channel state information CSI, radio link monitoring, uplink power control, and / or uplink spatial relations. A control message including the first IE and the second IE is transmitted to a user equipment UE, to enable the UE to perform a radio link monitoring function on the radio link.

Apparatuses, methods, and systems are disclosed for uplink power control. One method includes: operating a network entity with multiple antenna arrays; determining a first closed-loop power control process for a first set of uplink beam patterns based on a first antenna array of the multiple antenna arrays, wherein at least one receive beam pattern of the first antenna array is used to receive a first uplink transmission using at least one uplink beam pattern; determining a second closed-loop power control process for a second set of uplink beam patterns based on a second antenna array of the multiple antenna arrays, wherein the second antenna array is different from the first antenna array; and indicating to the device in a configuration message the first closed-loop power control process and the second closed-loop power control process.

Examples pertaining to repeater gain control for device collaboration in distributed MIMO systems are described. An apparatus (e.g., a repeater) may determine a first compensation value for a first path loss on a first link between the apparatus and a UE, and determine a second compensation value for a second path loss on a second link between the apparatus and a network node of a wireless network. The apparatus may also determine a repeater gain for uplink power control according to the first compensation value and the second compensation value. The apparatus may further forward a radio signal from the UE to the network node according to the repeater gain.

The invention discloses a method and an apparatus in a node used for wireless communication reference signal transmission. A first node receives a first signaling, the first signaling indicating a first reference signal resource, and the first signaling determining a first time window; determining a sending power value of the first signal; the first signal occupies a first time unit in a time domain; the first time window is configured to the first reference signal resource, and the first time window is not earlier than a time domain resource occupied by the first reference signal resource in a time domain; the transmit power value of the first signal depends on whether the first time unit overlaps the first time window and a type of reference signal transmitted in the first reference signal resource. According to the invention, uplink power control is enhanced, a method for flexible balance between communication and perception is provided, the probability of error detection is reduced, the perception performance is improved, and the system is more adaptive.

The embodiment of the invention provides an uplink power control method and device, and the method comprises the steps: carrying out the uplink power control through employing a corresponding power control mode based on the channel type of an uplink channel of a mobile terminal; the channel type comprises a control channel and a traffic channel. Corresponding power control modes can be adopted for different uplink channel types, and the uplink power control efficiency and effect are improved.

Methods, systems, and devices for wireless communications for a user equipment (UE) are described. The UE may receive an indication of a subband configuration for an operating bandwidth of the UE, the subband configuration indicating a division of the operating bandwidth into multiple subbands. The UE may perform multiple uplink power control procedures for the subbands to obtain subband-specific transmit powers for the subbands. The UE may transmit one or more uplink messages via the subbands using the subband-specific transmit powers obtained from the uplink power control procedures. In some examples, the UE may transmit uplink reference signals via the subbands, and receive, such as from a network entity, an indication of measurements corresponding to the reference signals. The UE may obtain the subband-specific transmit powers based on the measurements.

The invention firstly discloses a terminal uplink power control method. The method comprises the following steps of: determining whether uplink signal transmission is in a communication interference coexistence state with an adjacent station sensing signal or not; if so, generating or acquiring an uplink power control parameter or an inductance interference constraint factor aiming at the state; and determining the transmitting power of the uplink signal of the terminal based on the parameter or the factor. The invention further comprises network side equipment, terminal side equipment, communication equipment, a storage medium and a system which are used for implementing the method. According to the method and the device, the problems that the existing power control mechanism lacks targeted interference constraints and is insufficient in dynamic coordination capability when the same-frequency interference of the uplink signal of the terminal and the sensing signal of the adjacent station coexist in the communication and sensing fusion network are solved, and the method and the device are particularly suitable for the scene of communication and sensing service fusion deployment in 5G and subsequent mobile communication systems.

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 apparatus determines an association between one or more transmission configuration indicators (TCIs) and one or more corresponding uplink power control (ULPC) configurations based on a control message, receives control information indicating a transmission configuration indicator (TCI) for a transmission on an uplink (UL) channel, and determines a transmission power for the transmission on the uplink (UL) channel based on an uplink power control (ULPC) configuration associated with the transmission configuration indicator (TCI).

Methods, systems, and devices for wireless communications at one or more wireless devices are described. For example, a first network entity that serves a wireless device of an aircraft may transmit, to a second network entity serving one or more user equipments (UEs) in a terrestrial network, an indication that the second network entity is to report interference with the terrestrial network caused by broadcast emergency communications discovery signaling. The first network entity may receive, from the second network entity, a report comprising one or more indications of the interference. The first network entity may transmit, to the wireless device of the aircraft, an indication of one or more discovery signaling communication parameters for transmitting the broadcast emergency communications discovery signaling based at least in part on the one or more indications of the interference.

Mitigation of interference between terrestrial networks (TN) and non-terrestrial networks (NTN) in integrated communication systems may be achieved by reducing the interference at both networks such that co-channel inter-system interference may be minimized and spectral efficiency may be improved. Additionally, by improving spectrum sharing between TN and NTN, higher throughput may be achieved and user coverage may be expanded. By integrating a directional interference adjustment factor (DIAF) into a power control mechanism, a system can make more informed and precise adjustments to its transmit power. By considering the DIAF, the system may dynamically adjust power to, thereby, minimize interference with other networks or users. Minimization of interference is especially convenient in environments where multiple networks share the same spectrum. Adjusting power based on the DIAF helps maintain a better signal to interference and noise ratio, leading to more reliable communication and better data rates.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a message scheduling transmission, by the UE, of uplink control information (UCI) in a physical uplink control channel (PUCCH) resource. The UE may receive an indication that the UE is scheduled to transmit the UCI in the PUCCH resource to both a first transmission-reception point (TRP) and a second TRP. The UE may also receive a first set of uplink power control parameters for transmitting the UCI to the first TRP and a second set of uplink power control parameters for transmitting the UCI to the second TRP. The UE may transmit the UCI to the first TRP and to the second TRP in the PUCCH resource, based on the first set and the second set of uplink power control parameters, and without an uplink control channel beam indication.

A base station performing random access procedure includes: processor circuitry configured to generate a protocol data unit which includes: a first unit including a random access response, the random access response not including an uplink grant, the random access response signal including information on uplink power control, and a second unit including data; and a transmitter configured to transmit the protocol data unit.