Abstract: Methods, systems, and devices for wireless communication are described. An unlicensed sidelink band that includes multiple resource block sets may be used to communicate control information, where a guard band may be positioned in frequency between a first resource block set and a second resource block set of the multiple resource block sets. Based on communicating control information, a control message may be communicated using the first resource block set. The control message may indicate that a portion of the first resource block set and a portion of the guard band have been allocated to a data channel. Based on the control message, a data message may be communicated using resource blocks in the first resource block set and resource block in the guard band.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support channel occupancy time (COT) sharing and resuming based on physical sidelink feedback channels (PSFCHs) in sidelink-unlicensed (SL-U) wideband operations. In a first aspect, a method of wireless communication includes a COT-initiating user equipment (UE) establishing a wideband COT associated with multiple resource block (RB) sets. The COT-initiating UE transmits a COT structure information (COT-SI) including a first indication enabling COT sharing with neighboring UEs and a second indication allowing transmission of PSFCHs. The COT-initiating UE identifies the shared RBs before resuming transmission in the COT using available RBs. The responding UEs would receive the COT-SI allowing sharing and transmission of PSFCHs and will identify at least one selected PSFCH within the COT that is associated with the COT-initiating UE prior to sharing the COT with PSFCH transmissions.

Abstract: Random access procedures for low-power devices are described herein. In one example, a method for random access includes receiving, from a network entity during a random access response monitoring window, a random access response, including: an identifier associated with the network entity; and an uplink resource allocation; and sending, to the network entity, an uplink message scrambled with the identifier, the uplink message comprising: an identifier associated with the user equipment; and a setup request.

Abstract: Disclosed are systems and techniques for wireless communications. For instance, a wireless relay device can receive a first Physical Downlink Shared Channel (PDSCH) communication and determine, from the PDSCH communication, a first combined transport block including a plurality of components, the plurality of components including a first control component associated with a first user equipment (UE). The relay device can generate a first transport block that includes the first control component and transmit the first transport block.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of receiver capability information associated with an Internet-of-Things (IoT) device. The UE may receive a signal that is based at least in part on the receiver capability information. In some aspects, the UE is the IoT device. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. Prior to performing a listen before talk (LBT) procedure, a user equipment (UE) may perform a resource selection procedure to select a resource for transmission of a sidelink message and select multiple candidate resources from a resource pool. After resource selection procedure, the UE may perform the LBT procedure to gain access to a sidelink channel and transmit the first sidelink message via the selected resource. Further, the UE may transmit sidelink control information (SCI) associated with the first sidelink message, where the SCI includes an indication of a resource for feedback of the sidelink message and at least a first retransmission resource. In such examples, the UE may select the first retransmission resource from the multiple candidate resources based on a time gap between a time slot of the sidelink message and a time slot of the resource for feedback.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to one or more other UEs, a channel occupancy time (COT) sharing indication that indicates a plurality of resource block sets associated with a shared COT. The UE may transmit, using a wideband and based at least in part on a COT sharing condition, within one or more resource block sets of the plurality of resource block sets associated with the shared COT. Numerous other aspects are described.

Abstract: A network entity may select a PSS. The PSS may be associated with an OOK bit sequence or a single carrier waveform. The network entity may transmit, for a UE, the PSS based on a synchronization raster. The synchronization raster is a multiple of a channel raster. The UE may synchronize with the network entity based on the received PSS. In one configuration, the PSS may include a time domain synchronization signal based on the single carrier waveform. In one configuration, the PSS may include a predefined OOK bit sequence.

Abstract: Methods, systems, and devices for wireless communications are described. For instance, a first UE may receive an indication of a set of resources available for preemption. The indication of the set of resources may include an indication of a group of consecutive resources. The first UE may select a first group of consecutive resources for transmitting a first message and may determine that second UE has reserved a first resource of the set of resources that overlaps with the first group of consecutive resources. The first UE may report an indication that the first resource is being preempted based on the overlap. The first UE may perform the reporting based on a first priority of a second message for the first resource relative to a second priority of the first message. The first UE may transmit the first message over a second group of consecutive resources based on the reporting.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a network node, information associated with resource allocation for a sidelink communication, the information indicating at least one of: a random number associated with a contention window for the sidelink communication, a length of the contention window, an interference measurement associated with a sidelink channel, or a destination identifier for a target of the sidelink communication. The UE may receive, from the network node, an indication of the resource allocation for the sidelink communication. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. The method may include a first user equipment (UE) receiving a first control signal that indicates a set of sidelink resources including a set of slots within a subcarrier. The set of slots may include a first set of symbols allocated for power control signaling and a second set of symbols allocated as gap symbols. Further, the UE may receive, based on receiving the first control signal, a second control signal including an indication of whether to receive a first data signal using one or both of the first set of symbols or the second set of symbols and receive the first data signal in accordance with the indication.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a responding user equipment (UE) may receive, over an unlicensed sidelink channel, multiple physical sidelink shared channel (PSSCH) transmissions associated with a physical sidelink feedback channel (PSFCH) transmission occasion, wherein at least one PSFCH transmission in the PSFCH transmission occasion is in a shared channel occupancy time (COT). The UE may determine a minimum number of PSFCH transmissions to transmit in the PSFCH transmission occasion. The UE may select, among multiple scheduled PSFCH transmissions associated with the PSFCH transmission occasion, a set of PSFCH transmissions that includes at least the minimum number of PSFCH transmissions based at least in part on whether the scheduled PSFCH transmissions are in the shared COT. The UE may transmit, over the unlicensed sidelink channel, the selected set of PSFCH transmissions in the PSFCH transmission occasion.

Abstract: A method of wireless communication performed by a user equipment (UE), the method comprising identifying a priority level associated with the UE; and performing a clear channel assessment for a channel occupancy time (COT) according to an offset parameter, wherein the offset parameter is based on the priority level associated with the UE.

Abstract: Methods, systems, and devices for wireless communications are described that provide for signaling backscatter modulation capabilities of a user equipment (UE) or other device that supports backscatter modulation. Backscatter modulation capabilities may include frequency shift capabilities, and one or more backscatter capabilities may be signaled in a capability report that is transmitted responsive to a signal from a network node or other interrogating device or reader. The capability report may indicate whether backscatter modulation with frequency shifting is supported or not supported at the UE. The capability report also may indicate one or more types of frequency shifting supported at the UE. The network node may receive the capability report and schedule a UE for communications based on the reported capabilities.

Abstract: Certain aspects of the present disclosure provide techniques for determining a relay capability configuration for using a control signal to schedule a physical sidelink shared channel (PSSCH) that carries information to organize sidelink connections. The control signal allows user equipments (UEs) to organize a sidelink network absent base station configurations or vendor configurations. For example, the control signal may schedule a discovery signal (DS) associated with a sidelink synchronization signal block (S-SSB). The control signal may be referred to as DS-physical sidelink control channel (DS-PSCCH), different from a normal PSCCH. The DS-PSCCH may have distinct structure and content to allow UEs to organize sidelink networks.

Abstract: This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, for wireless communication. For example, a UE may receive a wake-up signal including an indication that the wake-up signal is addressed to the UE. The indication may be associated with one or more characteristics of an energy harvesting circuit of the UE. The UE may monitor, in response to the indication that the wake-up signal is addressed to the UE, one or more resources. Other aspects and features are also claimed and described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a physical random access channel (PRACH) configuration indicating a set of resources for a random access channel (RACH) preamble. The UE may receive an input radio frequency (RF) signal. The UE may select a starting frequency for a frequency hopping pattern for the RACH preamble. The UE may transmit the RACH preamble in the set of resources at the starting frequency and in accordance with the frequency hopping pattern, wherein transmitting the RACH preamble comprises a backscatter modulation of the input RF signal. Numerous other aspects are described.

Abstract: Aspects relate to beam management schemes for wireless energy transfer and information (e.g., data) transfer. A user equipment (UE) may transmit a UE capability thereof to a network entity that indicates a receiver architecture of the UE. The network entity may then select a beam management scheme based on the receiver architecture of the UE and communicate with the UE using the selected beam management scheme. The selected beam management scheme may include one or more beams to provide both an energy transmission and an information transmission to the UE.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive first control information comprising a first sidelink hybrid automatic repeat request (HARQ) timing offset configuration indication that indicates a state of an inapplicable sidelink offset value that is not applicable for indicating a timing for transmitting sidelink HARQ feedback information. The UE may transmit a first sidelink transmission including first sidelink control information (SCI) comprising a first sidelink HARQ timing offset indication for transmission of first sidelink HARQ feedback information associated with the first sidelink transmission, the first sidelink HARQ timing offset indication comprising, based on the first sidelink HARQ timing offset configuration indication, the inapplicable sidelink offset value or an applicable sidelink offset value that is applicable for indicating a timing for transmitting sidelink HARQ feedback information.

Abstract: A method of wireless communication, by a user equipment (UE), includes selecting a resource from a dedicated physical sidelink control channel (PSCCH) resource pool that has multiple potential PSCCH time domain resources with a mini-slot structure. The method also includes transmitting a mini-slot first stage sidelink control information (SCI-1) message on the selected resource. The mini-slot SCI-1 message is decoupled from a physical sidelink shared channel (PSSCH) associated with a data resource pool.