Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving information for configuring a trigger condition that an integrated access and backhaul node reports load information of at least one integrated access and backhaul node; and reporting the load information of the at least one integrated access and backhaul node in the case that the trigger condition is met, wherein the load information includes a load status indicator of the integrated access and backhaul node.

Abstract: The present invention relates to a D2D capable a communication method and to a transmitting user equipment, which transmits data to a receiving user equipment over a direct link data channel, uses the services of the eNodeB in order to have resources allocated for transmitting said data. To this end the UE sends to the eNB scheduling information using resources of a subframe dedicated for standard uplink communication through the eNodeB, rather than using resources on the subframe dedicated to D2D data transmission. In order to allow the eNB to distinguish whether the received scheduling request is for allocating resources for transmitting data over the direct link channel or over the eNB, UE may send along with the scheduling information also identification information associated to the scheduling information.

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: An uplink transmission can be received in an allocated slot on a first serving cell of a base station, the allocated slot on the first serving cell overlapping with multiple slots on a second serving cell of the apparatus. A first power headroom report can be received for the allocated slot on the first serving cell. A second power headroom report can be received for the second serving cell, where the second power headroom report is for a first slot of the multiple overlapping slots on the second serving cell that fully overlaps with the allocated slot on the first serving cell. The first power headroom report and the second power headroom report can be received in the uplink transmission in the allocated slot on the first serving cell. The first power headroom report and the second power headroom report can be Type 1 power headroom reports.

Abstract: Apparatuses, methods, and systems are disclosed for retrieving collected data from a group of devices. One apparatus includes a processor and a transceiver that receives a first request message indicating a group communication mode of a first UE. The processor identifies a group of second UEs associated with the first request message and the transceiver sends a paging message to the identified group to transfer collected data. The transceiver further receives at least one second request message from at least one second UE of the identified group and the processor establishes a data connection with each of the at least one second UE to receive the collected data.

Abstract: A SS of a SS block of a SS burst set can be received. A measurement can be performed at least on the received SS of the SS block. A PBCH of the SS block that can include a first portion and a second portion of the PBCH can be received. The first portion can carry at least a part of minimum system information. The second portion can carry timing information. The timing information can include information including at least an indication of a SS block index of the SS block within the SS burst set. The SS block index can be determined. A measurement report that can include a measurement quantity from the measurement on the received SS of the SS block and that can include the determined SS block index can be transmitted.

Abstract: A user equipment in a wireless communications system supporting direct communication between user equipments selects a sidelink destination group (ProSe destination) associated with a sidelink logical channel having a highest logical channel priority among sidelink logical channels, which have data available for transmission in a sidelink control period (SC period) and which have not previously been selected in the same SC period, wherein each of the sidelink logical channels belongs to a sidelink destination group, each of the sidelink logical channels is allocated to a logical channel group (LCG) depending on a priority of said each sidelink logical channel and on a priority of the logical channel group, and the logical channel group is defined per sidelink destination group. The user equipment allocates radio resources to sidelink logical channels belonging to the selected sidelink destination group in decreasing priority order, and transmits the data using the allocated radio resources.

Abstract: Apparatuses, methods, and systems are disclosed for random access skip configuration. One method includes receiving a handover command message from a first cell, wherein: the handover command message includes first information that indicates a configuration of a second cell, random access channel resources on the second cell, and a first reference signals associated with the second cell; each of the first reference signals is associated with a random access channel resource; second information indicates skip configurations and second reference signals are associated with the second cell; and each of the second reference signals is associated with a random access skip configuration. The method includes receiving a first set of downlink reference signals and a second set of downlink reference signals. The method includes, selecting a first downlink reference signal and determining whether to perform a random access procedure.

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 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: The present disclosure relates to transmitting and receiving of system information which includes controlling the transmission and/or the reception to transmit and/or receive system information including a coverage enhancement level indication for indicating enhanced coverage levels supported by the wireless communication system and to transmit and/or receive system information including a group of information elements common for different coverage enhancement levels and information elements specific for different coverage enhancement levels grouped for respective coverage enhancement levels.

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 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 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: The invention relates to a transmitting device for performing an initial and one or more retransmissions of data via a sidelink interface. A receiver and processor perform a resource sensing procedure to acquire information about radio resources usable for the device to transmit data at a later point in time. The processor performs an autonomous radio resource allocation to select time-frequency radio resources within a transmission window to be used for performing a first transmission of the data, based on information acquired by the resource sensing procedure. The processor determines a data transmission timing pattern, that indicates a transmission timing for performing one or more transmissions of data. A transmitter performs the first data transmission using the selected time-frequency radio resources and performs the data retransmissions at the transmission timing defined by the determined data transmission timing pattern with respect to the first data transmission.

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 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 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.