Abstract: Apparatuses, methods, and systems are disclosed for transmission of a paging message. One method includes receiving a system information block (SIB) indicating a configuration comprising a set of paging occasions and determining a paging frame based at least in part on an identifier of the UE and a discontinuous reception (DRX) cycle. The method includes determining a paging occasion index of a paging occasion based at least in part on the identifier of the UE and the paging frame and selecting the paging occasion from the set of paging occasions based at least in part on the paging occasion index of the paging occasion. The method includes monitoring the selected paging occasion for a paging of a physical downlink control channel (PDCCH) carrying a downlink control information (DCI).

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 receiving, at a first time after the power headroom report is triggered, a first uplink grant that allocates resources for a new transmission on a serving cell of the multiple serving cells. 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 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: Apparatuses, methods, and systems are disclosed for user equipment radio capabilities. One method includes transmitting, from a core network function, a request for radio capabilities of a user equipment. The method includes receiving a response to the request for the radio capabilities of the user equipment. The method includes determining at least one allowed network slice, at least one rejected network slice, or a combination thereof based on the radio capabilities of the user equipment. The method includes transmitting a configuration message to the user equipment, wherein the configuration message indicates the at least one allowed network slice, the at least one rejected network slice, or the combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for configuring a sidelink hybrid automatic repeat request. One method includes communicating, via a first sidelink device, with a second sidelink device using a first sidelink communication interface. The second sidelink device communicates with a third sidelink device using a second sidelink communication interface. The method includes transmitting a sidelink hybrid automatic repeat request configuration to the second sidelink device via the first sidelink communication interface. The sidelink hybrid automatic repeat request configuration includes a sidelink hybrid automatic repeat request feedback enable indicator, a sidelink hybrid automatic repeat request feedback disable indicator, sidelink hybrid automatic repeat request feedback options, a minimum communication range value, a cast type, a group size, a reflective indicator, a non-reflective indicator, or some combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for acquiring on-demand system information. One apparatus of a first user equipment (“UE”) device includes a transceiver that receives a system information block (“SIB”) from a second UE device and a processor that determines, based on the received SIB, at least one on-demand SIB from the mobile wireless communication network, wherein the transceiver sends a request for the at least one on-demand SIB to the second UE device.

Abstract: Apparatuses, methods, and systems are disclosed for extended paging messages. One User Equipment (“UE”) apparatus in a mobile communication network includes a processor and a transceiver that sends a message to a network node, with the message indicating that the UE apparatus supports paging extensions. The transceiver receives a confirmation message from the network node, with the confirmation message notifying the UE apparatus to expect paging extensions. The transceiver receives paging Downlink Control Information (“DCI”) with a cyclic redundancy check (“CRC”) scrambled by a Paging Radio Network Temporary Identifier (“P-RNTI”), where the paging DCI schedules a Physical Downlink Shared Channel (“PDSCH”) transmission. The transceiver receives a paging message in the PDSCH transmission. The processor identifies a paging extension for the UE in the paging DCI and/or the paging message.

Abstract: Apparatuses, methods, and systems are disclosed for sending and/or receiving feedback for a system information request. One apparatus includes a transmitter that transmits information indicating a request for system information. The apparatus includes a processor that monitors, during a predetermined time period, for a feedback response indicating that the request for the system information was received.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting information that indicates a change in system information. One method includes determining a change corresponding to system information occurring after a first modification period boundary. The method includes transmitting information in downlink control information that indicates the change corresponding to the system information. The information is transmitted before a second modification period boundary, and the change comprises a modification to a master information block, a modification to a system information block, a modification to scheduling information, or some combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for power-efficient paging reception. One apparatus includes a processor and a transceiver that receives a PDCCH configuration of a first DCI format, where the PDCCH configuration includes a search space configuration of the first DCI format. Via the transceiver, the processor detects the first DCI format by monitoring the first DCI format according to the search space configuration, where the first DCI format indicates whether the apparatus is to monitor for paging DCI of a second DCI format. The processor monitors for paging DCI of the second DCI format in a paging period based on the detected first DCI format.

Abstract: Apparatuses, methods, and systems are disclosed for indicating source and destination devices. One method includes generating, at a first user equipment, mapping information. The mapping information comprises mapping between a pair of a source identities, an index, and at least one destination identity. The method includes providing the mapping information to a second user equipment. The method includes generating a first data packet including sidelink data for a third user equipment. The method includes transmitting the first data packet from the first user equipment to the second user equipment. The second user equipment generates a second data packet at least based on the mapping information, the second data packet includes sidelink data for the third user equipment, and the second user equipment transmits the second data packet to the third user equipment.

Abstract: Apparatuses, methods, and systems are disclosed for sidelink device discovery. One method includes transmitting, at a first sidelink device and over a sidelink interface, a periodic discovery message for performing discovery of at least one second sidelink device. The method includes discovering the at least one second sidelink device over the sidelink interface. The method includes transmitting at least one source layer 2 identifier of the at least one second sidelink device discovered by the first sidelink device to a third wireless device.

Abstract: Apparatuses, methods, and systems are disclosed for improved suspension of a data connection. One apparatus in a mobile communication network includes a processor and a network interface that receives a notification message from a RNF (e.g., gNB, eNB), said message comprising an indication of an unavailability of radio resources corresponding to a first data connection that uses a first network slice. The processor determines that UP resources of the first data connection are to be suspended and controls the network interface to send a first request message to the RNF, said message comprising an indication to release UP resources corresponding to the first data connection and further comprising an indication to monitor and report an availability of the unavailable radio resources.

Abstract: Apparatuses, methods, and systems are disclosed for determining transmissions to avoid. One method includes receiving, at a first user equipment, information from a second user equipment indicating second resources used by the second user equipment for a second transmission to a third user equipment. The method includes determining whether the second resources used by the second user equipment for the second transmission to the third user equipment overlap with first resources used by the first user equipment for a first transmission to the third user equipment. The method includes, in response to determining that the second resources overlap with the first resources, determining whether to avoid the first transmission on the first resources based on a destination identifier, a logical channel prioritization procedure, or a combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for increasing the transmission reliability for transmissions of a duplication bearer in a shared or unlicensed spectrum. A UE apparatus for a mobile network (“NW”) includes a transceiver that initiates a listen before talk procedure (“LBT”) on shared spectrum, for transmission of a medium access control (“MAC”) protocol data unit (“PDU”) containing an original packet data convergence protocol (“PDCP”) PDU of a data radio bearer (“DRB”) configured for PDCP duplication, wherein PDCP duplication is deactivated for the DRB. The apparatus includes a processor that determines whether the LBT failed or succeeded and selectively enables PDCP duplication for the DRB in response to determining that the PDCP PDU was not transmitted due to failure of the LBT.

Abstract: Apparatuses, methods, and systems are disclosed for data and feedback relaying. One method includes receiving, by a second sidelink user equipment, a first data packet from a first sidelink user equipment. The method includes receiving a feedback request with the first data packet. The method includes transmitting, by the second sidelink user equipment, the first data packet to at least one third sidelink user equipment. The method includes receiving feedback about a decoding status of the first data packet from the at least one third sidelink user equipment. The method includes determining a result of the feedback request at the second sidelink user equipment based on the feedback. The method includes transmitting the result of the feedback request to the first sidelink user equipment.

Abstract: Apparatuses, methods, and systems are disclosed for sidelink control information based sensing. One method includes receiving at a first user equipment, a first discontinuous reception configuration. The first discontinuous reception configuration includes a first slot offset, a first on-duration, a first periodicity, or some combination thereof. The method includes receiving an indication to perform sensing in a sensing window. The sensing window includes an active time of the first discontinuous reception configuration. The method includes performing the sensing based on sidelink control information decoding and a reference signal received power measurement of a demodulation reference signal of a second user equipment.

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 synchronization signal block selection. One method includes receiving multiple synchronization signal blocks on a first wideband carrier. Each synchronization signal block includes at least one synchronization signal and a physical broadcast channel. The method includes detecting at least one synchronization signal block of the synchronization signal blocks, determining at least one synchronization signal frequency associated with the at least one detected synchronization signal block, and selecting a first synchronization signal block of the at least one detected synchronization signal block and a first synchronization signal frequency of the at least one synchronization signal frequency. The first synchronization signal block is associated with the first synchronization signal frequency.

Abstract: Apparatuses, methods, and systems are disclosed for relay advertisement for sidelink operation. One apparatus includes a processor and a transceiver that receives a relay advertisement from a SL Relay UE supporting sidelink operation, where the relay advertisement contains at least one relay attribute. The processor determines that relay via the SL Relay UE is needed using the at least one relay attribute. The transceiver sends a relay connection request to the SL Relay UE and receives a relay connection confirmation from the SL Relay UE. Via the transceiver, the processor performs sidelink communication with a remote receiver device via the SL Relay UE.

Abstract: Apparatuses, methods, and systems are disclosed for improved communications using relay over sidelink radio interface. One apparatus includes a processor and a transceiver that transmits a data packet via a sidelink interface, where the data packet is transmitted to a first UE device and a second UE device. The transceiver receives a first HARQ feedback from the first UE device and receives a second HARQ feedback from the second UE device. Here, the first HARQ feedback indicating a decoding status of the data packet at the first UE device and the second HARQ feedback indicating a decoding status of the data packet at the second UE device. The processor determines to stop transmission of the data packet in response to at least one of the first and second HARQ feedback being a positive acknowledgement.