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 negative acknowledgement feedback indicating unsuccessful reception of the groupcast data. The apparatus includes a processor that determines a retransmission mode based on a number of UEs sending negative acknowledgement feedback and controls the transceiver to send selectively beamformed retransmission of the groupcast data according to the determined retransmission mode.

Abstract: A method and apparatus provide for low latency transmissions. A higher layer configuration message can be received that indicates a set of resource blocks for receiving data packets in at least one symbol of a subframe. An attempt can be made to decode a data packet in a first set of resource elements within the set of resource blocks. The first set of resource elements can be in the at least one symbol of the subframe. An attempt can be made to decode the data packet in at least a second set of resource elements within the set of resource blocks. The second set of resource elements can be in the at least one symbol of the subframe. The second set of resource elements can include at least one resource element that is not in the first set of resource elements. The data packet in one of the first set of resource elements and the second set of resource elements can be successfully decoded. A data payload of the decoded data packet can be delivered to an application layer.

Abstract: Apparatuses, methods, and systems are disclosed for SCell Beam Failure recovery. One apparatus includes a transceiver that communicates with a SCell in a wireless communication network. The apparatus includes a processor that receives a SR configuration from a wireless communication network, the SR configuration comprising a set of PUCCH resources, where the SR configuration corresponds to one or more logical channels. The processor detects that beam failure procedure has been triggered for the SCell. The processor triggers a scheduling request for SCell beam failure recovery in response to determining that there are no UL-SCH resources available for a new transmission for the transmission of a beam failure MAC CE. The processor transmits SR on the PUCCH resources of the SR configuration in response to triggering the scheduling request for SCell beam failure recovery.

Abstract: A determination can be made as to whether a mobile equipment has valid credentials for accessing an available public land mobile network. Availability of restricted operator services access support can be detected. A cell of a public land mobile network that supports restricted operator services access can be selected as a serving cell if restricted operator services access support is available and the mobile equipment does not have valid credentials for accessing the available public land mobile network. An attach procedure can be performed for restricted operator services using the public land mobile network of the selected cell as a selected public land mobile network.

Abstract: Apparatuses, methods, and systems are disclosed for selection of a scheduling user equipment. One method includes receiving first information from a plurality of user equipments, wherein the first information indicates at least one sidelink user equipment in communication with each user equipment of the plurality of user equipments. The method includes selecting a scheduling user equipment from the plurality of user equipments based on a quality of a first connection interface and a second connection interface of each user equipment of the plurality of user equipments indicated in the first information.

Abstract: Apparatuses, methods, and systems are disclosed for downlink assignments for downlink control channels. One method includes, in response to an assignment group comprising a first assignment: determining a first data channel allocation comprising resources allocated to a first data channel; determining a first DMRS symbol location associated with the first data channel based on the first assignment, a first set of OFDM symbols, and a second set of OFDM symbols; and decoding the first data channel. The method includes, in response to the assignment group comprising a second assignment: determining a second data channel allocation comprising resources allocated to a second data channel; determining a second DMRS symbol location associated with the second data channel based on the second assignment, the first set of OFDM symbols, and the second set of OFDM; and decoding the second data channel.

Abstract: For duplicating PDCP PDUs for a radio bearer, methods, apparatus, and systems are disclosed. One apparatus includes a processor and a transceiver for communicating with a mobile communication network. The processor establishes a radio bearer to communicate with the network, the radio bearer includes a PDCP entity, first and second RLC entities associated with said PDCP entity, first and second logical channels associated with said first and second RLC entities, respectively. The processor receives a control signal from the network, submits a PDCP data PDU in the PDCP entity to the first RLC entity for transmission. In response to the first control signal, the processor submits the PDCP data PDU to the second RLC entity for transmission. The processor indicates to one of the first and second RLC entities to discard a duplicate PDCP data PDU corresponding to a successfully delivered PDCP data PDU.

Abstract: Apparatuses, methods, and systems are disclosed for downlink assignments for downlink control channels. One method includes determining a third set of downlink control channel monitoring occasions that comprises first downlink control channel monitoring occasions and second downlink control channel monitoring occasions, and associated search spaces correspond to two different control resource sets comprising a first control resource set and a second control resource set, wherein: demodulation reference signal ports of the first control resource set are quasi-collocated with a first set of reference signals; demodulation reference signal ports of the second control resource set are quasi-collocated with a second set of reference signals. The method includes monitoring one or more downlink control channel candidates in at least one slot of the third set of monitoring occasions if the one or more downlink control channel candidates carry the same downlink control information.

Abstract: Apparatuses, methods, and systems are disclosed for sidelink failure detection and recovery. One method includes receiving information indicating a sidelink failure detection resource set corresponding to at least one configured sidelink bandwidth part. The method includes determining a radio link quality of the at least one configured sidelink bandwidth part based on the sidelink failure detection resource set. The method includes detecting a sidelink failure based on the radio link quality. The method includes initiating a sidelink failure recovery procedure based on the sidelink failure.

Abstract: Apparatuses, methods, and systems are disclosed for multiple radio access technology communications. One method includes receiving at a user equipment, from a first radio access technology, resources for a second radio access technology. The method includes receiving at the user equipment, from the first radio access technology, sidelink radio bearer configuration information.

Abstract: Apparatuses, methods, and systems are disclosed for uplink power control. One method includes: receiving a message that configures a set of resources that each includes a downlink resource or an uplink sounding resource and is associated with an uplink transmission beam pattern; receiving scheduling information for an uplink transmission that is associated with a resource of the set of resources; determining an uplink transmission beam pattern associated with the resource; determining a configured maximum output power for the uplink transmission beam pattern that is based on an antenna array property associated with the uplink transmission beam pattern; determining a transmit power for the uplink transmission based on the configured maximum output power; and performing the uplink transmission using the uplink transmission beam pattern based on the transmit power.

Abstract: Apparatuses, methods, and systems are disclosed for autonomous bandwidth part switching. One method includes determining that a channel parameter corresponding to an active uplink bandwidth part of a serving cell is greater than a predetermined value at a time in which the active uplink bandwidth part is a first bandwidth part. The method includes, in response to determining that the channel parameter is greater than the predetermined value, autonomously switching the active uplink bandwidth part from the first uplink bandwidth part to a second uplink bandwidth part configured for the serving cell, wherein switching the active uplink bandwidth part comprises deactivating the first uplink bandwidth part.

Abstract: For flexible radio resource allocation, a processor receives a numerology scheme. The numerology scheme specifies one or more of at least frequency region definition and a sub-carrier spacing for the at least one frequency region. The method configures sub-carriers for at least one frequency region based on the numerology scheme.

Abstract: Apparatuses, methods, and systems are disclosed for reporting power headroom for a serving cell configured with multiple uplink carriers. One apparatus includes a processor and a transceiver that receives a configuration of a first uplink carrier and a second uplink carrier for a serving cell. The processor determines the basis of a first power headroom for the first uplink carrier and determines the basis of a second power headroom for the second uplink carrier. The processor reports a power headroom report (“PHR”) for the serving cell, the PHR comprising the first power headroom based on an actual first transmission on the first uplink carrier of the serving cell in response to the basis of the first power headroom being the actual first transmission and the basis of the second power headroom being a reference second transmission.

Abstract: Apparatuses, methods, and systems are disclosed for extracting EtherCAT datagrams from an EtherCAT frame. One method includes receiving an EtherCAT frame. The method includes determining a first EtherCAT datagram in the EtherCAT frame for a first device and a second EtherCAT datagram in the EtherCAT frame for a second device. The method includes extracting the first EtherCAT datagram from the EtherCAT frame to result in an extracted first EtherCAT datagram and the second EtherCAT datagram from the EtherCAT frame to result in an extracted second EtherCAT datagram. The method includes transmitting the extracted first EtherCAT datagram directly to the first device. The method includes transmitting the extracted second EtherCAT datagram directly to the second device.

Abstract: Apparatuses, methods, and systems are disclosed for aggregating HARQ feedback and sidelink retransmission procedure. One apparatus includes a transceiver and a processor coupled with the transceiver, the processor configured to cause the apparatus to transmit sidelink data to each of one or more UEs of a set of UEs and to receive SL feedback from each of the one or more UEs of the set of UEs, the sidelink feedback comprising HARQ feedback indicating a HARQ positive acknowledgement or a HARQ negative acknowledgement. Via the transceiver, the processor transmits an uplink message to a network entity, the uplink message comprising an aggregate of the received sidelink feedback from each of the one or more UEs of the set of UEs.

Abstract: Apparatuses, methods, and systems are disclosed for scheduling of transmission time intervals. One apparatus includes a processor that determines a first semi-persistent scheduling resource assignment indicating a first set of resources including a first multiple time domain resources. Each time domain resource of the first multiple time domain resources has a first transmission time interval length. The processor also determines a second semi-persistent scheduling resource assignment indicating a second set of resources including a second multiple time domain resources. Each time domain resource of the second multiple time domain resources has a second transmission time interval length, and the first transmission time interval length is different from the second transmission time interval length.

Abstract: Apparatuses, methods, and systems are disclosed for preempting an uplink resource allocation. One apparatus includes a processor and a transceiver that receives a first allocation of uplink resources in a mobile communication network and receives a second allocation of uplink resources. Here, the second allocation at least partially overlaps in time with the first allocation and the second allocation is received at a later time than the first allocation. The processor determines whether the second allocation is associated with higher priority traffic than the first allocation and preempts the first allocation to generate a TB according to the second allocation in response to the second allocation being associated with higher priority traffic than the first allocation.

Abstract: Apparatuses, methods, and systems are disclosed for scheduling of transmission time intervals. One apparatus includes a processor that determines a first semi-persistent scheduling resource assignment indicating a first set of resources including a first multiple time domain resources. Each time domain resource of the first multiple time domain resources has a first transmission time interval length. The processor also determines a second semi-persistent scheduling resource assignment indicating a second set of resources including a second multiple time domain resources. Each time domain resource of the second multiple time domain resources has a second transmission time interval length, and the first transmission time interval length is different from the second transmission time interval length.

Abstract: Apparatuses, methods, and systems are disclosed for responding to a new data indicator for a hybrid automatic repeat request process. One method includes determining whether a current new data indicator in a current sidelink grant matches a last received new data indicator in a last received sidelink grant for a first hybrid automatic repeat request process. The method includes, in response to determining that the current new data indicator does not match the last received new data indicator, determining whether a negative acknowledgement has been transmitted in response to the last received sidelink grant.