Abstract: A radio resource control message comprising an indication of a random access channel preamble, a reference signal resource, or both can be received. A reference signal can be received on the reference signal resource. A random access channel preamble can be selected based at least in part on the reference signal satisfying a threshold. The selected random access channel preamble can be transmitted during a random access procedure.

Abstract: Apparatuses, methods, and systems are disclosed for assessing a radio link quality using resources corresponding to bandwidth parts. One method includes receiving first information including a plurality of reference signal resource sets for a plurality of bandwidth parts. Each reference signal resource set of the plurality of reference signal resource sets corresponds to a bandwidth part of the plurality of bandwidth parts. The method includes receiving a plurality of spatial quasi-co-location information corresponding to a plurality of reference signal resources of the plurality of reference signal resource sets. The method includes assessing a radio link quality based on the plurality of spatial quasi-co-location information.

Abstract: Apparatuses, methods, and systems are disclosed for determining a power headroom report. One method includes determining a power headroom report for transmission on a physical uplink shared channel resource corresponding to a configured grant. The method includes transmitting the power headroom report on the physical uplink shared channel resource, wherein: determining the power headroom report comprises determining whether the power headroom report is based on a real transmission or a reference format based on signaling for configured grants and downlink control information received up until a predetermined time before a first uplink symbol of the physical uplink shared channel resource; and the predetermined time is computed based on: a first parameter set to zero; and a subcarrier spacing of an active downlink bandwidth part of a scheduling cell for the configured grant.

Abstract: A method and apparatus provides for establishing a communication connection between the network entity and the user equipment, while the user equipment has established and is maintaining an alternative communication connection with another network entity associated with a second one of the multiple networks. Flow management information is received from a shared common control element of the user equipment, which manages parallel user equipment activity including a flow of information between the user equipment and each of the multiple networks via the respective communication connections. The user equipment is communicated with in a manner which is consistent with the flow management information received from the shared common control element.

Abstract: Apparatuses, methods, and systems are disclosed for multiple resource allocation mode configurations. One method includes receiving information indicating a plurality of resource allocation mode configurations. Each resource allocation mode configuration corresponds to a logical channel of a plurality of logical channels. The method includes determining a plurality of data transmission scheduling modes for the plurality of logical channels. Each data transmission scheduling mode corresponds to a logical channel of the plurality of logical channels based a resource allocation mode configuration of the logical channel, and each data transmission scheduling mode comprises: a first scheduling mode; a second scheduling mode different from the first scheduling mode; or a third scheduling mode comprising the first scheduling mode and the second scheduling mode. The method includes transmitting a buffer status report based on the plurality of the data transmission scheduling modes.

Abstract: Apparatuses, methods, and systems are disclosed for multiple radio access technology communications. One method includes receiving control information at a device on a first radio access technology, wherein: the control information comprises radio access technology information, sidelink resource allocation information, and timing offset information; the radio access technology information indicates that the sidelink resource allocation information is for a second radio access technology; and the first radio access technology is different from the second radio access technology; and wherein the timing offset information is used in the device to determine a time to apply the sidelink resource allocation for the second radio access technology.

Abstract: Apparatuses, methods, and systems are disclosed for determining a priority order based on an uplink transmission parameter. One apparatus includes a receiver that receives an uplink grant corresponding to an uplink transmission parameter. The apparatus includes a processor that determines a priority order of multiple logical channels based on an uplink transmission parameter priority corresponding to the uplink transmission parameter and a logical channel priority of the multiple logical channels. The processor assigns resources to logical channels of the multiple logical channels based on the priority order.

Abstract: Apparatuses, methods, and systems are disclosed for sidelink HARQ operation. One apparatus includes a memory coupled to a processor, where the processor is configured to cause the second apparatus to receive a SL grant for a SL transmission using SL resources, the SL grant indicating a first HARQ process identified by a first HARQ process identifier, and to select a second SL HARQ process identified by a second SL HARQ process identifier for the SL transmission using the SL resources. The processor is configured to cause the second apparatus to transmit SCI containing the second SL HARQ process identifier and to perform the SL transmission using the SL resources.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting data corresponding to a relay UE. One method includes transmitting data and first information indicating relay information corresponding to retransmission of the data by a relay UE to at least one UE. The first information comprises a relay identifier, an indication that retransmission of the data is based on feedback received by the relay UE, an indication that retransmission of the data is based on a multi-hop count, an indication for the relay UE to transfer the data from a receiver buffer to a transmit buffer and to retransmit the data from the transmit buffer, an indication for the relay UE to retransmit the data to an indicated destination node, or some combination thereof. The method includes transmitting second information indicating a remaining packet delay budget to the at least one UE.

Abstract: For acquiring system information instances, a method determines if one or more system information instances requested in a request message are received in a reply message from a base station. The request message includes a request bitmap indicating the requested system information instances. The reply message includes a reply bitmap indicating the system information instances in the reply message. The method acquires the system information instances indicated in the request bitmap and the reply bitmap from the reply message. In addition, the method requests the system information instances from the base station that are indicated in the request bitmap and not indicated in the reply bitmap.

Abstract: A method and apparatus provide for low latency transmissions. A higher layer configuration can be received at a device. The higher layer configuration can be higher than a physical layer configuration. The higher layer configuration can indicate configuring the device with a low latency configuration for a low latency transmission mode in addition to a regular latency configuration for a regular latency transmission mode. The low latency transmission mode can have a shorter latency than the regular latency transmission mode. A packet can be received based on one of the low latency configuration and the regular latency transmission mode in a subframe n. A feedback packet can be transmitted in a following subframe n+p, where p<4 when the received packet is based on the low latency configuration. The following subframe n+p can be the pth subframe from the subframe n.

Abstract: Apparatuses, methods, and systems are disclosed for random access configuration. One method includes receiving a first cell-defining synchronization signal block on a carrier. The method includes synchronizing to the first cell-defining synchronization signal block. The method includes receiving a first system information message associated with a first serving cell of the first cell-defining synchronization signal block. The first system information message includes a first random access channel configuration. The method includes receiving a bandwidth part configuration via a dedicated message from the first serving cell that indicates a bandwidth part configured with a second random access channel configuration. The method includes performing random access according to the second random access channel configuration in the bandwidth part of the first serving cell.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting SL CSI using an uplink channel. One apparatus includes a transceiver that receives a first SL-CSI value from a RX UE via one of a plurality of unicast links. The apparatus includes a processor that generates a SL-CSI report comprising the first SL-CSI value, wherein the first SL-CSI value is tagged with an identifier that identifies the RX UE. The processor controls the transceiver to transmit the SL-CSI report using an uplink channel.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting and/or receiving system information for changing a configuration. One apparatus includes a receiver that: receives first system information for a first configuration; and receives second system information for a second configuration based on the first configuration. The second system information includes changes to the first configuration without repeating information common to the first and second configurations.

Abstract: Apparatuses, methods, and systems are disclosed for providing fallback assistance information to a RAN node. One apparatus includes a memory coupled to a processor, the processor configured to cause the apparatus to: receive a service request indicating a service for fallback, the service request associated with a UE, where the service for fallback corresponds to a different RAT or a different system generation; and transmit, to a network entity, an indication of a fallback requirement or a target system, or both, based on a service type associated with the service request or a network configuration, where the service type corresponds to a different RAT or a different system generation, where a handover or redirection is performed based on the transmitted indication.

Abstract: Apparatuses, methods, and systems are disclosed for selective retransmission of groupcast data. One apparatus includes a transceiver that transmits groupcast data via sidelink communication to a set of UEs and receives negative acknowledgement feedback via sidelink communication from at least one UE of the set. The apparatus includes a processor that determines a retransmission mode based on the received feedback and controls the transceiver to send selectively beamformed retransmission of the groupcast data according to the determined retransmission mode.

Abstract: Apparatuses, methods, and systems are disclosed for power headroom report generation. One method includes aggregating multiple serving cells. The method includes determining that a power headroom report is triggered. The method includes determining that an uplink resource for a new transmission on a serving cell of the multiple serving cells is allocated at a first time after the power headroom report is triggered. The method includes determining a power headroom value for each serving cell of the multiple serving cells being activated based on information received prior to and including a predetermined time before the start of the uplink resource at the first time. The method includes generating a power headroom report medium access control control element including at least the power headroom value for each serving cell of the multiple serving cells being activated.

Abstract: A resource assignment can be received. A first set of time-frequency resources in a subframe can be determined from the resource assignment. A second set of time-frequency resources in the subframe can be determined. The second set of time-frequency resources can be used for a second latency data transmission. The second set of time-frequency resources can overlap with at least a portion of the first set of time-frequency resources. A first latency data transmission in the subframe can be decoded based on the determined first and second set of time-frequency resources. The first latency transmission can have a longer latency than the second latency transmission.

Abstract: Apparatuses, methods, and systems are disclosed for reporting power headroom (“PH”) information. One apparatus is configured with a first serving cell for PUSCH transmissions having a first SCS and a second serving cell for PUSCH transmissions having a second SCS larger than the first SCS. The apparatus has an uplink resource allocation for a first slot on the first serving cell, where the first slot overlaps in time with multiple second slots on the second serving cell, and has an uplink resource allocation for at least one of the multiple second slots that are overlapped by the first slot. A processor calculates PH information for the second serving cell for a first PUSCH scheduled on a first one of the multiple second slots and a transceiver transmits the PH information in an uplink transmission on the first slot.

Abstract: Apparatuses, methods, and systems are disclosed for session management function derived core network assisted radio access network parameters. One method includes receiving session management function derived core network assisted radio access network parameters from a session management function. The method includes storing the session management function derived core network assisted radio access network parameters in a protocol data unit session level context. The method includes using the session management function derived core network assisted radio access network parameters to determine an expected session activity behavior parameter set.