Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for flexible selection of a type of mapping to use for mapping code blocks to a set of resources for transmission. A user equipment (UE) may transmit assistance information to a base station to assist the base station in selecting from a set of mapping types available for code block mapping. The UE may then receive, from the base station, an indication of a selected mapping type for code block mapping based on the assistance information. The assistance information may include a recommendation of a mapping type or a metric of a channel that the base station may use to select the mapping type. Because the mapping type may be selected dynamically (e.g., “on the fly”), the UE and the base station may be able to adaptively exploit different types of diversity.

Techniques are described for expanding and/or improving the Advanced Television Systems Committee (ATSC) 3.0 television protocol in robustly delivering the next generation broadcast television services. An ATSC3.0 service list table (SLT) contains correlations between service IDs and frequencies so that a receiver receiving duplicate services on different frequencies in a boundary between broadcast regions can select the best frequency to tune to in order to present the service, without having to access a database to correlate service IDs to frequencies.

Methods, systems, and devices for wireless communication are described. A first wireless device may establish a sidelink communications link with a second wireless device. The first wireless device may transmit, to the second wireless device, an indication of a capability to support a configuration for phase continuity between multiple physical channel transmissions of the sidelink communication link. The first wireless device may transmit one or more physical channel transmissions, which each may be associated with a set of one or more demodulation reference signals (DMRSs) to the second wireless device in accordance with the indicated configuration for phase continuity between the physical channel transmissions. The second wireless device may determine channel parameters associated with the one or more physical channel transmissions based on a joint channel estimation associated with the one or more sets of DMRSs.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured with a cross-component carrier or cross-beam quasi co-location (QCL) configuration in a sidelink carrier aggregation configuration. For example, a first beam on a first component carrier may be QCLed with a second beam on a second component carrier. The first beam may have a different beam width than the second beam or be in a different frequency range than the first beam, or both. If an application at the UE requests the UE to configure a beam on the second component carrier, the UE may use some parameters used to receive on the first component carrier to communicate using the second beam on the second component carrier.

An improved air interface for satellite systems such as a 5G-based non-geostationary (NGSO) satellite system. The air interface includes an improved physical interface for efficient operation over NGSO satellite systems. The air interface includes an improved forward link for communicating from the satellite gateway to the user terminal and a return link for communicating from the user terminal to the satellite gateway.

A first node receives a first signaling, the first signaling indicates a first resource pool and X1 resource sub-pools, and the X1 resource sub-pools belong to the first resource pool; determines a candidate resource set out of the first resource pool; transmits a target signal on a target time-frequency resource block, and the target time-frequency resource block belongs to the candidate resource set; a target resource subset belongs to a target resource sub-pool; a first priority is used to determine X1 first-type thresholds; the X1 resource sub-pools respectively correspond to the X1 first-type thresholds; a target threshold is a first-type threshold corresponding to the target resource sub-pool among the X1 first-type thresholds, and the target threshold is used to determine the target resource subset out of the target resource sub-pool. The present application strikes a balance between resource utilization and interference avoidance for users of a shared resource pool.

This application discloses a communication method and apparatus. A terminal device determines a frequency position of a random access resource based on at least one of an initial frequency offset, a random access resource configuration period, an uplink channel bandwidth, a bandwidth of the random access resource, a time period of a random access resource, a time period of the random access resource, and a frequency index of the random access resource that are configured by a network device, and the terminal device sends a random access signal to the network device at the determined frequency position.

This application discloses a communication method and apparatus. A terminal device determines a frequency position of a random access resource based on at least one of an initial frequency offset, a random access resource configuration period, an uplink channel bandwidth, a bandwidth of the random access resource, a time period of a random access resource, a time period of the random access resource, and a frequency index of the random access resource that are configured by a network device, and the terminal device sends a random access signal to the network device at the determined frequency position.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a resource grant for at least one sidelink channel, wherein the resource grant indicates an uplink resource for transmitting sidelink transmission acknowledgement messages. The UE may transmit, to the base station and on the uplink resource, an indication of at least one status associated with a listen-before-talk procedure used on the at least one sidelink channel. Numerous other aspects are provided.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a resource grant for at least one sidelink channel, wherein the resource grant indicates an uplink resource for transmitting sidelink transmission acknowledgement messages. The UE may transmit, to the base station and on the uplink resource, an indication of at least one status associated with a listen-before-talk procedure used on the at least one sidelink channel. Numerous other aspects are provided.