Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive beam discovery configuration information associated with identifying a valid uplink beam associated with an uplink-only network node, wherein the beam discovery configuration information is indicative of a beam discovery resource pool. The UE may transmit, using a plurality of resources of the beam discovery resource pool, a plurality of beam discovery signals based on the beam discovery configuration information. Numerous other aspects are described.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support a shared transmission power control (TPC) for uplink data and control channels. In a first aspect, a method includes a user equipment (UE) receiving a TPC command in downlink control messages from a serving base station. Each TPC command includes a power correction indicator. The UE may then apply an accumulation of power correction indicators received in the downlink control messages to an adjustment state associated with a transmit power of an of uplink control channel and an uplink data channel. The UE transmits to an uplink receive point, the uplink control or data channel according to the transmit power adjusted by the accumulation of power correction indicators applied to the adjustment state. Other aspects and features are also claimed and described.

Abstract: Methods, systems, and devices for wireless communications are described. In some wireless communications systems, a user equipment (UE) may receive, from a base station, downlink control information (DCI) that activates periodic channel state information (CSI) reporting via uplink shared channel transmissions (e.g., via physical uplink shared channel (PUSCH) transmissions). The UE may then identify a trigger condition that triggers a transmission of both a first instance of a CSI report and a second instance of the CSI report within a period of the periodic CSI reporting. Based on the satisfaction of the trigger condition, the UE may transmit the first instance of the CSI report via a first uplink shared channel transmission and the second instance of the CSI report via a second uplink shared channel transmission, where both uplink channel transmissions are within the period of the periodic CSI reporting.

Abstract: Methods, systems, and devices for wireless communications are described. In some examples, a user equipment (UE) may receive a control signal that triggers the UE to transmit one or more SRSs of an SRS resource set, where the SRS resource set spans multiple slots, and to receive configuration information that includes timing information for transmission of the one or more SRSs relative to a timing of receipt of the control signal. Additionally, the described techniques provide for a UE to receive a control signal that indicates an SRS beam management configuration that identifies at least a first SRS resource set and a second SRS resource set that are linked together such that the UE may determine a transmit beam for an SRS resource of the second SRS resource set based on an additional transmit beam for a corresponding SRS resource of the first SRS resource set.

Abstract: Methods, systems, and devices for wireless communications are described. In some aspects, a user equipment (UE) may receive control signaling scheduling transmission of aperiodic channel state information (A-CSI) via a set of uplink transmission repetitions, the set of uplink transmission repetitions including a first set of repetitions associated with a first sounding reference signal (SRS) resource set and a second set of repetitions associated with a second SRS resource set. The UE may receive additional control signaling scheduling transmission of an uplink control channel message that overlaps in time with at least one uplink transmission repetition of the set of uplink transmission repetitions. The UE may multiplex the uplink control channel message with at least one uplink transmission repetition of the set of uplink transmission repetitions, and may transmit the set of uplink transmission repetitions including multiple repetitions of the A-CSI and the multiplexed uplink control channel message.

Abstract: Aspects of the present disclosure generally relate to methods and apparatus for encoding repetitions of a physical uplink control channel (PUCCH). In some aspects, the disclosed methods or techniques include first determining that a first number of REs of a first PUCCH repetition used for UCI transmission is different than a second number of REs of a second PUCCH repetition used for the UCI transmission. Based on the determination, the UE performs one or more actions to provide a same mother polar code length for generating coded bits for each of the first and second PUCCH repetitions. The UE performs polar code encoding of information bits of the UCI for the first PUCCH repetition and the second PUCCH repetition based on the same mother polar code length. The UE transmits the first and the second PUCCH repetitions including the respective polar-encoded UCI.

Abstract: A plurality of configurations for an uplink phase tracking reference signal (PTRS) are received from a network entity, as well as downlink control information (DCI) for scheduling a physical uplink shared channel (PUSCH) associated with transmission parameters indicating one of single transmit reception point (sTRP) PUSCH or spatial division multiplexing (SDM) PUSCH. One or more uplink PTRS configurations are identified, based on the transmission parameters. The PUSCH is then transmitted to the network entity, where the PUSCH is associated with the identified one or more uplink PTRS configuration based on an association between the identified one or more uplink PTRS configuration and demodulation reference signal (DMRS) ports.

Abstract: Methods, systems, and devices for wireless communications are described. A UE may receive one or more control messages that indicate a quantity of a set of sounding reference signal (SRS) resource sets configured for codebook usage and at least one maximum rank value associated with uplink shared channel transmissions by the UE. The UE may receive downlink control information (DCI) with an SRS resource indicator (SRI) field and a transmit precoding matrix indicator (TPMI) field. The UE may then interpret the SRI and TPMI fields according to a mapping that is based on the maximum rank value and a maximum quantity of ports the UE is capable of supporting. Then, the UE may transmit the uplink shared channel message in accordance with the mapping.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive information indicating an offset for a pseudo-random function used to select a set of sounding reference signal (SRS) transmission occasions from a plurality of SRS transmission occasions. The UE may transmit one or more SRSs on the set of SRS transmission occasions based at least in part on the offset and the pseudo-random function. Numerous other aspects are described.

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for a user equipment (UE) to receive a configuration for a plurality of groups of sounding reference signal (SRS) ports associated with an SRS resource, the configuration indicating one or more cyclic shift parameters for each group of SRS ports of the plurality of groups of SRS ports. The UE also can transmit one or more SRSs using at least one group of SRS ports of the plurality of groups of SRS ports based at least in part on the one or more cyclic shift parameters associated with the at least one group of SRS ports.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support separate hybrid automatic receipt request (HARQ) acknowledgement by member user equipments (UEs) cooperating as a virtual UE for downlink transmissions. In a first aspect, a virtual UE may detect a downlink transmission, wherein the virtual UE includes two or more member UEs in communication with each other and configured to cooperate in communications with the serving base station. The virtual UE may generate one or more acknowledgement codebooks configured to indicate an acknowledgement status by the virtual UE. The virtual UE may attempt to decode the downlink transmission and report an acknowledgment indicator that reflects the result of the decoding. The acknowledgment indicator includes an acknowledgement state selected from an acknowledgement codebook associated with the member UE. Other aspects and features are also claimed and described.

Abstract: Methods, systems, and devices for method for wireless communication are described. A UE may receive one or more control messages that indicate a quantity of sounding reference signal (SRS) resource sets, a quantity of one or more SRS resource indicator fields included in one or more control messages, and a set of parameters, and at least one maximum rank value associated with uplink shared channel transmissions and based on a threshold quantity of rank values supported by the UE. The UE receives a downlink control information (DCI) message including DCI and including the one or more SRS resource indicator fields, and interprets the one or more SRS resource indicator fields based on a quantity of the at least one maximum rank value.

Abstract: The apparatus receives a PUCCH resource configuration associated with a PUCCH resource. The PUCCH resource configuration indicates at least one of a PUCCH resource repetition configuration or a PUCCH resource inter-slot frequency hopping configuration for the PUCCH resource that is independent of PUCCH formats. In addition, the apparatus transmits a PUCCH in the PUCCH resource based on the at least one of the PUCCH resource repetition configuration or the PUCCH resource inter-slot frequency hopping configuration configured in the PUCCH resource configuration. The received PUCCH resource configuration may override a PUCCH format configuration. The apparatus may receive a DCI indicating the PUCCH resource and/or a MAC-CE associated with the PUCCH resource configuration, and may transmit the PUCCH based on the received DCI/MAC-CE.

Abstract: Methods, systems, and devices for wireless communications are described. In some aspects, a user equipment (UE) and a network entity may support one or more configuration- or signaling-based mechanisms according to which the network entity may configure one or more maxRank values and according to which the UE may interpret one more downlink control information (DCI) fields to identify, ascertain, or otherwise determine information associated with a non-codebook (CB)-based uplink shared channel message. For example, the UE may support a first interpretation of DCI fields if a first quantity of maxRank values are indicated and may support a second interpretation of DCI fields if a second quantity of maxRank values are indicated.

Abstract: Methods, systems, and devices for wireless communications are described. In some aspects, a user equipment (UE) and a network entity may support one or more configuration- or signaling-based mechanisms according to which the network entity may configure one or more maxRank values and maximum number of ports values and according to which the UE may interpret one more downlink control information (DCI) fields to identify, ascertain, or otherwise determine information associated with a codebook (CB)-based uplink shared channel message. For example, the UE may support a first interpretation of DCI fields if a first quantity of maxRank values or maximum number of ports values are indicated and may support a second interpretation of DCI fields if a second quantity of maxRank values or maximum number of ports values are indicated.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration of a sounding reference signal (SRS) resource. The UE may receive one or more indications indicating that an SRS associated with the SRS resource should be transmitted using a time domain orthogonal cover code (TD-OCC) and that the UE should perform TD-OCC hopping when transmitting the SRS associated with the SRS resource. The UE may transmit the SRS using the SRS resource based at least in part on the configuration of the SRS resource and by performing the TD-OCC hopping. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a mapping of port numbers to sounding reference signal (SRS) resources of a first resource set and a second resource set, where port numbers of the first resource set and port numbers of the second resource set are uniquely indicated. The UE may transmit an uplink communication based at least in part on the indication. Numerous other aspects are described.

Abstract: A UE may be configured with at least one SRS hopping configuration associated with an SRS hopping pattern, and the UE may obtain the SRS hopping pattern based on the at least one SRS hopping configuration and at least one hopping offset. Here, the SRS hopping pattern may include one or more subsets of hopping patterns and each subset of hopping patterns including a subset of consecutive SRS transmission occasions may be associated with a hopping offset. The UE may transmit a set of SRS across a plurality of SRS transmission occasions based on the SRS hopping pattern.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information associated with configuring a set of sounding reference signal (SRS) transmissions on a set of frequencies, wherein the set of SRS transmissions on the set of frequencies comprise an SRS frequency hopping pattern. The UE may transmit the set of SRS transmissions on the set of frequencies in accordance with the SRS frequency hopping pattern. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. Some wireless communications systems may support reference signal port association determination for single frequency network (SFN) uplink. For example, a user equipment may receive first control signaling scheduling transmission of sounding reference signals (SRS) from a plurality of SRS resource sets. The UE may receive second control signaling comprising an indication of one or more SRS resources from the plurality of SRS resource sets and scheduling transmission of one or more SFN uplink messages based at least in part on the indication of the one or more SRS resources. The UE may determine a frequency resource association between one or more phase tracking reference signal (PTRS) ports and one or more demodulation reference signal (DMRS) ports of a plurality of DMRS ports based at least in part on a port association rule and the indication of one or more SRS resources.