Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a first serving cell via Layer 3 control signaling, a configuration indicating a plurality of transmission reception points (TRPs) and one or more parameters enabling activation or deactivation of TRPs in the plurality of TRPs. The UE may receive, from the first serving cell via Layer 2 control signaling, explicit multi-TRP information that indicates an activation of a second serving cell and a TRP associated with the second serving cell, wherein the explicit multi-TRP information indicates that the second serving cell is to be activated as a primary cell and the TRP is to be activated as a primary TRP. The UE may communicate with the primary cell and the primary TRP. 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: 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: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, a multi-cell downlink control information (MC-DCI) that indicates scheduling information for co-scheduled component carriers (CCs), wherein the MC-DCI indicates one or more of an antenna port(s) field or a modulation and coding scheme (MCS) field to be commonly applied to one or more of the co-scheduled CCs. The UE may perform a transmission based at least in part on the scheduling information indicated by the MC-DCI. Numerous other aspects are 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: Certain aspects of the present disclosure provide techniques for utilizing and processing repeated DCI transmissions that schedule common uplink or downlink transmissions. The techniques allow a UE to decide which repeated DCI to use for determining resources for the uplink or downlink transmissions.

Abstract: Methods, systems, and devices for wireless communications are described. The method includes receiving, from a base station and at the UE of a group of UEs, control signaling indicating a link between a first search space set and a second search space set used for a multicast broadcast service, where a first downlink control channel for the group of UEs is transmitted in the first search space set and a second downlink control channel is transmitted in the second search space set, monitoring the first search space set for a first instance of control information in the first downlink control channel and the second search space set for a second instance of the control information in the second downlink control channel, and decoding the first instance or the second instance of the control information, or both, based on the monitoring.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect a physical downlink shared channel (PDSCH) transmission associated with a multi-PDSCH semi-persistent scheduling (SPS) that potentially conflicts with a second transmission in a slot. The UE may determine to keep at least one of the PDSCH transmission associated with the multi-PDSCH SPS or the second transmission in the slot based at least in part on one or more rules. The UE may perform, with a base station in the slot, at least one of the PDSCH transmission associated with the multi-PDSCH SPS or the second transmission that is kept based at least in part on the one or more rules. Numerous other aspects are described.

Abstract: A method for wireless communication performed by a user equipment (UE) includes receiving, from a base station on a granting group common (GC)-physical downlink control channel (PDCCH), a multimedia broadcast multicast service (MBMS) downlink grant that schedules an MBMS transmission at each UE of a group of UEs that includes the UE. The method also includes receiving, from the base station on a triggering GC-PDCCH, a message indicating respective feedback resources for each UE of the group of UEs. The method further includes receiving, from the base station, the MBMS transmission. The method still further includes transmitting, to the base station via the feedback resources, a feedback report based on receiving the MBMS transmission.

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: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine a first set of parameters associated with a first transport block (TB) repetition of a TB and a second set of parameters associated with a second TB repetition of the TB; and determine a TB size of the TB based at least in part on the first set of parameters, the second set of parameters, or both the first set of parameters and the second set of parameters. Numerous other aspects are provided.

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: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive demodulation reference signals (DMRSs) in multiple physical downlink shared channel (PDSCH) reception occasions. The UE may perform joint channel estimation using the DMRSs in the multiple PDSCH reception occasions. The UE may transmit a feedback message after a processing time that includes an offset associated with the joint channel estimation, wherein the processing time starts after a last symbol of a PDSCH reception occasion of the multiple PDSCH reception occasions and ends before a first symbol of the feedback message. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a base station may use a downlink control information (DCI) message to indicate timing resources to a user equipment (UE) for multiple downlink data repetitions in a slot. In a first implementation, the base station may indicate an explicit time domain resource allocation (TDRA) for one repetition in the TDRA field of the DCI, and the UE may determine implicit TDRAs for the other repetitions based on the explicit TDRA. In a second implementation, the base station may indicate a total TDRA for the full set of repetitions in the TDRA field, and the UE may divide the total TDRA into individual TDRAs for the repetitions. The UE may receive the downlink data repetitions based on determining the TDRAs and may transmit a feedback message in response based on a hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook.

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 sounding reference signal (SRS) resource for SRS precoding that is based at least in part on a downlink measurement, where a total quantity of configured SRS ports for transmission is less than or equal to a quantity of receive antennas configured at the UE. The UE may transmit an SRS with SRS precoding based at least in part on the SRS resource. Numerous other aspects are described.