Abstract: The present disclosure relates to a user equipment (UE), comprising a processor, which determines that a transmission of small data is to be performed. The UE is in an inactive state with at least one data connection to a radio base station. The UE is assigned at least with a cell-specific UE identification and a non-cell-specific UE identification. The processor determines which UE identification to use for the small data transmission, based on whether the UE, after having transitioned to the inactive state, has moved to the current radio cell from another radio cell. In case the UE has moved to the current radio cell from another radio cell, the non-cell-specific UE identification is used. In the other case, the cell-specific UE identification is used. A transmitter transmits a control message including the determined UE identification and transmits the small data using one of the at least one data connection.

Abstract: Provided are a communication apparatus, a network node, and corresponding methods. The communication apparatus comprises a transceiver, which, in operation, receives a configuration of a transport block (TB) size for data of a logical channel to be transmitted during a random access procedure including at least one of a TB size restriction per logical channel, and a TB size restriction per random access procedure type out of a first random access procedure type and a second random access procedure type, the first random access procedure type having a lower number of transmission steps; and circuitry, which, in operation, performs, based on the received configuration of the TB size, a selection the TB size and/or the random access procedure type for transmission of the data of the logical channel, wherein the transceiver, in operation, performs the transmission of the data of the logical channel in accordance with the selection.

Abstract: Provided are systems and methods for transmitting data over a wireless channel from a data transmitting node to a data receiving node in a communication system. The data transmitting node comprises second-layer processing circuitry for receiving at least one second-layer SDU, to be mapped onto a resource allocated for data transmission, and for generating a second-layer PDU, including the at least one second-layer SDU and at least one second-layer control element, and first-layer processing circuitry for receiving the second-layer PDU generated by the second-layer processing circuitry and for mapping the second-layer PDU onto the resource allocated for data transmission.

Abstract: The present disclosure relates to a user equipment (UE) comprises a receiver, which receives reference signals from a serving base station on which the UE is camping, the serving base station controlling an unlicensed serving radio cell in which the UE is located. Processing circuitry of the UE monitors the reception of reference signals to determine a number of reference signals that are continuously missing. The processing circuitry determines to perform cell re-selection from the unlicensed serving radio cell on which the UE is camping to another radio cell that has a different frequency than the unlicensed serving radio cell, in case the determined number of reference signals that are continuously missing is above a threshold.

Abstract: The present disclosure relates to a user equipment in a mobile communication system. The UE comprises processing circuitry, which determines whether the UE, being located in a first radio access network notification area, first RNA, is moving to a second radio access network notification area, second RNA, different from the first RNA. The UE is in an inactive state out of an idle state, a connected state and the inactive state the user equipment can be in. The UE further comprises a transmitter, which transmits identification information on the first RNA to a second radio base station of the second RNA, when determining that the UE is moving to the second RNA. The UE further comprises a receiver which receives from the second radio base station UE related context information usable by the UE to exchange uplink and downlink data with the second radio base station.

Abstract: Provided are systems and methods for transmitting data over a wireless channel from a data transmitting node to a data receiving node in a communication system. The data transmitting node comprises second-layer processing circuitry for receiving at least one second-layer SDU, to be mapped onto a resource allocated for data transmission, and for generating a second-layer PDU, including the at least one second-layer SDU and at least one second-layer control element, and first-layer processing circuitry for receiving the second-layer PDU generated by the second-layer processing circuitry and for mapping the second-layer PDU onto the resource allocated for data transmission.

Abstract: The present disclosure relates to a mobile terminal for performing cell (re-)selection in a system with at least two suitable cells, each with a plurality of beams. The terminal is in a normal- or a high-mobility state. The terminal measures a signal quality of the beams of each of the suitable cells, determines the cell quality based on the respective measured signal qualities of the beams; and (re-)selects that cell based on a cell (re-)selection criterion using the determined cell qualities. The cell quality is determined for each one of the suitable cells as a sum of the measured signal quality of the beam, with the best signal quality, and a combined beam quality value for the other beams. The combined beam quality value is scaled with a scaling factor which changes depending on the mobility state such that the combined beam quality value is scaled-up in the high-mobility state and scaled-down in the normal-mobility state.

Abstract: The present disclosure relates to a user equipment (UE) that comprises a receiver of the UE receives, from a source base station of a source radio cell, a common timing advance value for a target radio cell. The UE is connected to the source radio cell and is involved in a handover procedure to hand over the UE from the source radio cell to the target radio cell. Further, the common timing advance value is received from the source base station in a first message of the handover procedure, which also comprises a timing indication for transmitting a second message from the UE to the target base station. Then, a processor of the UE determines a first uplink timing of uplink transmissions to the target base station with respect to downlink transmissions from the target base station, based on the received common timing advance value and the timing indication. A transmitter of the UE transmits a second message of the handover procedure to the target base station based on the determined uplink timing.

Abstract: Provided are a user equipment (UE), a scheduling node, and communication methods for a UE and a scheduling node. The UE comprises a transceiver which, in operation, performs listen before talk, LBT and circuitry which, in operation, performs at least one of: incrementing a counter upon determining LBT failure, starting a triggering timer upon determining LBT failure if the triggering timer is not running, and determining whether the counter has reached a threshold value upon expiry of the triggering timer; and incrementing the counter upon determining a number N of consecutive LBT failures due to ongoing LBT backoff. The circuitry generates a indicating consistent LBT failure upon determining that the counter has reached the threshold value, and the transceiver, in operation, declares consistent LBT failure.

Abstract: The present disclosure relates to a user equipment (UE) that comprises a processor that operates a monitoring function that involves monitoring of a downlink control channel of an unlicensed radio cell based on one of a plurality of groups of search space sets (SSS). The unlicensed radio cell operates in an unlicensed spectrum and is controlled by a base station that is in communication with the user equipment. Further, one of the plurality of groups of SSSs is configured to be a default group of SSSs. The processor determines one group of the plurality of SSS groups for performing the monitoring function, depending on the downlink control channel. The monitoring function is not performed during a non-monitoring time period. The processor determines to perform the monitoring function based on the default group of SSSs, when performing the monitoring function subsequent to the non-monitoring time period.

Abstract: The present disclosure provides a transceiver device and a base station, and communication methods for a transceiver devices and a base station. The transceiver device comprises a transceiver, which in operation, receives a timing pattern indicator indicating a timing pattern including a first duration of a first period and a second duration of a second period; and circuitry, which in operation, sets first periods of the first duration and second periods of the second duration in an alternating manner according to the timing pattern, wherein the transceiver, in operation, performs communication with a first base station during the first periods, and performs communication with a second base station according to a random-access procedure during the second periods.

Abstract: The present disclosure relates to a user equipment (UE) that comprises a processor, which determines one among a plurality of mobility states for the UE, wherein the plurality of mobility states comprises at least three different mobility states. The processor determines one or more radio measurement quantities of a serving radio cell in which the UE is located. The processor determines whether or not to relax radio measurements on one or more neighbour radio cells, based on the determined mobility state of the UE and the determined one or more radio measurement quantities of the serving radio cell. A receiver and the processor of the UE perform the radio measurements on the one or more neighbour radio cells according to radio measurement requirements, when the processor determines not to relax the radio measurements on the one or more neighbour radio cells.

Abstract: The present disclosure relates to a mobile terminal and base station and respective operation methods. The mobile terminal comprises circuitry, which in operation, determines a condition for requesting on-demand a transmission of other system information; performs a random access procedure; and receives via broadcast a system information message including the on-demand requested other system information. The system information request message of the random access procedure includes an information element with a bit-pattern conforming to a specific format with at least a part of the bit-pattern for requesting the other system information. And the contention resolution message of the random access procedure includes the same, or the same part of the bit-pattern for detecting collisions during the random access procedure.

Abstract: The present disclosure relates to a user equipment (UE) that comprises processing circuitry that operates a discontinued reception function that involves monitoring of a downlink control channel for downlink control information intended to the UE during recurring monitoring time periods. A receiver of the UE receives a power-saving signal. The processing circuitry determines based on the power-saving signal whether or not to monitor the downlink control channel during one or more of the monitoring time periods of the discontinued reception function subsequent to the reception of the power-saving signal. The power-saving signal includes notification information on whether or not the UE is to acquire further information relating to one or more other functions operated by the UE.

Abstract: The present disclosure relates to a user equipment (UE) comprises a receiver that receives a plurality of reference signals. Processing circuitry of the UE performs power-related measurements on the plurality of reference signals. The processing circuitry determines the availability of reference signals among the plurality of reference signals for the power-related measurements. The processing circuitry generates measurement results based on the performed power-related measurements and depending on the determined availability of the reference signals.

Abstract: The present disclosure relates to a user equipment, with a processor which upon being triggered by a random access events, determines random access transmission parameters to be used by the UE for transmitting a random access message to its base station. At least part of the random access transmission parameters are determined based on the random access event that triggered the transmission of the random access message and on random access configuration information. The random access configuration information associates each of a plurality of random access events with a set of random access transmission parameters among a plurality of random access transmission parameters usable by the user equipment to transmit a random access message to the base station. A transmitter of the UE transmits the random access message to the base station using the determined random access transmission parameters.

Abstract: This terminal is provided with: a control circuit that, on the basis of information relating to the priority degrees of a plurality of uplink signals, determines at least one uplink signal to be transmitted in some transmission resource in a time domain among the plurality of uplink signals; and a transmission circuit that transmits the determined uplink signal in the transmission resource.

Abstract: The present disclosure provides a transceiver device and a scheduling device, and communication methods for transceiver device and scheduling device. The transceiver device comprises a transceiver, which, in operation, receives control information over a Physical Downlink Control Channel, PDCCH, the control information indicating a scheduled transmission of data; and circuitry, which, in operation, sets a monitoring period according to a number of blind retransmissions of the data, wherein the transceiver, in operation, monitors the PDCCH during the monitoring period.

Abstract: The present disclosure relates to a user device, a base station, and data transmission and reception methods to be performed by a user device and a base station in a communications system. The user device comprises circuitry which, in operation, receives paging occasion configuration from the base station, including at least one parameter for configuring a predefined time-domain pattern for receiving paging occasion within a paging cycle; and performs reception of paging signal in the paging occasions within the predefined time-domain pattern configured according to the received paging occasion configuration.

Abstract: The present disclosure relates to a mobile terminal, a base station, an operating method for a mobile terminal and an operating method for a base station.