Abstract: Various aspects of the present disclosure generally relate to wireless communication. An apparatus may include at least two antennas and a signal combiner component that includes at least two combiner inputs. Each combiner input may be electrically coupled to a respective antenna of the at least two antennas. The apparatus may include a rectifier component that includes a rectifier input that is electrically coupled to a combiner output of the signal combiner component.

Abstract: Wireless communications systems and methods related to UE cooperation are provided. A base station (BS) may assist a UE in discovering and cooperating with other UEs. A BS may collect information from candidate cooperative UEs such as UE capability and availability. This information may be broadcast to other UEs or may be transmitted to a UE at the UE's request. The UE may, upon receipt of this information, use it to aid in discovering the candidate cooperative UEs and/or establishing a connection.

Abstract: A method of wireless communication performed by a user equipment (UE) includes receiving, from a base station (BS) in a first fixed frame period (FFP), downlink communication information (DCI), where the DCI indicates a scheduled DL communication in a second FFP subsequent to the first FFP. The method also includes monitoring for a downlink (DL) signal in the second FFP. The method also includes transmitting, based on the monitoring for the DL signal, an acknowledgement/non-acknowledgement (ACK/NACK) indicating whether the scheduled DL communication was detected.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may identify a user equipment (UE) of a first category (e.g., an ambient Internet of Things UE), of a plurality of categories, using a resource scheduled by a network node based at least in part on a backscattered signal, energized using energy harvesting, from the UE. The wireless communication device may initiate a connection with the UE. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. In some examples, a user equipment (UE) may receive control signaling that indicates a frequency resource allocation for at least a first sidelink resource and a second sidelink resource, where the frequency resource allocation may indicate a non-contiguous subchannel combination for the second sidelink resource. In response to receiving the control signaling, the UE may select the non-contiguous subchannel combination for the second sidelink resource based on a mapping between an index value of the frequency resource allocation and multiple subchannel combinations. The UE may also select a subchannel combination for the first sidelink resource based on a relationship between the first sidelink resource and the second sidelink resource.

Abstract: The aspects described herein may improve beam management at an apparatus (e.g., a UE) by allowing the apparatus to proactively transmit a beam report including information that may avoid a full beam failure recovery (BFR) procedure at the apparatus. The apparatus receives a set of beam failure detection reference signals and transmits a beam report indicating a partial beam failure when a radio link quality of at least a first beam failure detection reference signal in the set of beam failure detection reference signals is less than a quality threshold and a radio link quality of at least a second beam failure detection reference signal in the set of beam failure detection reference signals is greater than or equal to the quality threshold.

Abstract: Wireless communications systems, apparatuses, and methods are provided. A method of wireless communication performed by a first user equipment (UE) includes transmitting, to one or more ambient Internet of Things (IoT) devices in resources scheduled by a wireless communication device, a discovery signal to initiate an association procedure between the first UE and at least one of the one or more ambient IoT devices, and receiving, from the one or more ambient IoT devices in response to the discovery signal, an acknowledgment to initiate the association procedure, wherein the one or more ambient IoT devices are powered by energy transmitted by the wireless communication device.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration associated with transmitting a sidelink synchronization signal block (S-SSB), wherein the configuration indicates a first S-SSB occasion and a set of second S-SSB occasions, and wherein the set of second S-SSB occasions are included in a sidelink resource pool of the UE. The UE may receive priority information indicating one or more transmission priorities for the set of second S-SSB occasions. The UE may perform a communication in association with the set of second S-SSB occasions in accordance with the priority information. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may identify a plurality of physical sidelink feedback channel (PSFCH) transmissions to be simultaneously transmitted within a bandwidth associated with multiple dedicated physical resource blocks (PRBs). The first UE may allocate a transmission power to a PSFCH transmission of the plurality of PSFCH transmissions based at least in part on a power allocation rule, wherein the transmission power allocated to the PSFCH transmission is associated with a defined PRB, of the multiple dedicated PRBs, within the bandwidth. The first UE may transmit, to a second UE, the PSFCH transmission based at least in part on the transmission power. Numerous other aspects are described.

Abstract: Aspects of the present disclosure include methods, apparatuses, and computer readable media for receiving an indication of a plurality of resources for sidelink communication between the UE and a neighboring UE, configuring a plurality of fixed frame periods (FFPs) associated with the plurality of resources based on a FFP configuration associated with the UE, transmitting the FFP configuration to the neighboring UE, and transmitting or receiving sidelink information based on at least a portion of the plurality of resources and a portion of the plurality of FFPs.

Abstract: Methods, systems, and devices for wireless communication are described. A first user equipment (UE) may receive a first message indicating one or more occasions associated with sidelink synchronization signal block (S-SSB) transmissions between at least the first UE and a second UE. The first UE may transmit, to a network entity, a second message that includes an indication to override a default state associated with whether the one or more occasions are available for sidelink data transmissions. The first UE may communicate one or more reference signals between at least the first UE and the second UE based on transmitting the second message to the network entity. In some examples, the first UE may drop a sidelink data transmission based on a priority value associated with the sidelink data transmission being lower than a priority value associated with an overlapping S-SSB.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a filtering capability of the UE. The UE may receive, based at least in part on the filtering capability, a configuration of one or more narrowband filters of the UE for backscattering communications. Numerous other aspects are described.

Abstract: A configuration for resource allocation for PDCCH with multi-relay based communication. The apparatus determines a transmission time of a signal comprising a sequence of a plurality of PDCCHs to a target node. At least one relay is between the base station and the target node. The apparatus transmits, to each of the at least one relay, a relay configuration comprising scheduling information for each of the at least one relay to relay the signal. The scheduling information is based on a determination of the transmission time of the signal to the target node.

Abstract: Methods, systems, and devices for wireless communications are described. An energy harvesting device, such as a user equipment (UE) or a radiofrequency identification (RFID) tag, may transmit a control message indicating a capability of the energy harvesting device to use one or more energy sources for energy harvesting. The energy harvesting device may receive, in accordance with the capability indicated in the control message, control signaling indicating one or more parameters associated with the energy harvesting. The energy harvesting device may perform, during an energy harvesting measurement window, an energy harvesting procedure to produce one or more energy harvesting measurements and transmit an energy harvesting report indicating the one or more energy harvesting measurements and an efficiency metric for the energy harvesting from at least one of the one or more energy sources during the energy harvesting measurement window.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit information that indicates a transmission (Tx) capability and a reception (Rx) capability respectively related to transmitting and receiving a sidelink communication over an unlicensed channel. The UE may receive a configuration that indicates, within a sidelink slot, a first candidate starting symbol and a second candidate starting symbol for a sidelink transmission, wherein the second candidate starting symbol is based on one or more of the Tx capability or the Rx capability. Numerous other aspects are described.

Abstract: Certain aspects of the present disclosure provide techniques for determining transport block sizes for sidelink communications. In one example, a method for wireless communications by a user equipment includes determining, based on an initial allocation of physical resource blocks (PRBs) in one or more sub-channels that are non-overlapping with a guard band within a resource pool for a sidelink communication, that an occupied channel bandwidth (OCB) threshold is not met for the sidelink communication; allocating one or more additional PRBs from the resource pool to the sidelink communication in order to meet the OCB threshold, wherein the one or more additional PRBs comprise at least one of: all partial sub-channel PRBs in a sub-channel of the resource pool partially overlapped by the guard band; or all boundary PRBs within the resource pool, but not allocated to a sub-channel of the resource pool.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an interlace configuration for a sidelink resource pool. The UE may transmit a physical sidelink control channel (PSCCH) communication scheduling a physical sidelink shared channel (PSSCH) communication for transmission in the sidelink resource pool, wherein the PSCCH communication is mapped to a set of resources based on a mapping rule in accordance with the interlace configuration. Numerous other aspects are described.

Abstract: The apparatus of wireless communication includes a UE and a base station. The base station may transmit, to the UE, a configuration for a plurality of PDCCH monitoring groups for monitoring different sets of search spaces. The plurality of PDCCH monitoring groups may include a first PDCCH monitoring group with a first number of PDCCH monitoring occasions and a second PDCCH monitoring group with a second number of PDCCH monitoring occasions different from the first number. The base station may determine which PDCCH monitoring group to send a PHCCH, and transmit the PDCCH to the UE. The UE may determine to monitor search spaces of the PDCCH monitoring group, and monitor search spaces corresponding to the PDCCH monitoring group. The UE may switch between the first and second PDCCH monitoring groups based on a condition or an indication from the base station.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE via a sidelink, channel occupancy time (COT) sharing information (COT-SI) associated with a first portion of a COT. The UE may identify, based at least in part on the COT-SI, that the first UE is an eligible repeater UE of the COT-SI. The UE may transmit, based at least in part on the first UE being the eligible repeater UE of the COT-SI, a communication using the first portion of the COT, the communication including a repeated COT-SI. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may map a physical sidelink shared channel (PSSCH) transmission to a carrier of a shared radio frequency spectrum band for performing wideband operations, the carrier including a quantity of listen-before-talk (LBT) sub-bands, where the wideband operations are associated with sidelink communications using bandwidth that exceeds a threshold bandwidth. The UE may perform respective LBT procedures for the quantity of LBT sub-bands, and may determine whether to transmit a portion of the PSSCH transmission via a subset of the LBT sub-bands based on at least one LBT procedure of the respective LBT procedures failing.