Abstract: A user equipment receives random access configuration parameters from its base station. A processor of the UE controls to repeatedly perform a prioritized RACH procedure with the base station, based on the received parameters, for a time period up to an end of a primary time interval or until a maximum number of RACH procedures is reached or until successful completion of the prioritized RACH procedure with the base station. The primary time interval comprises a plurality of secondary time intervals. The processor, when controlling to repeatedly perform the prioritized RACH procedure, determines random access parameters, which are valid for the duration of the respective secondary time interval in which the respective prioritized RACH procedure is performed, based on the received random access configuration parameters and depending on the respective secondary time interval. A transmitter transmits messages of the respective prioritized RACH procedure using the determined valid random access parameters.

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, 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: The present disclosure relates to a user equipment (UE) that comprises processing circuitry which operates a function that involves monitoring of a downlink control channel of an unlicensed radio cell for information intended to the UE. The unlicensed radio cell operates in an unlicensed spectrum and is controlled by a base station. The processing circuitry and a receiver perform the monitoring of the downlink control channel based on a first timer and a second timer operated in parallel. The first timer is used to limit the maximum time the downlink control channel is to be monitored, by starting the first timer at the beginning of the monitoring and stopping the monitoring upon expiry of the first timer. The second timer is used to stop the monitoring earlier than the first timer depending on the channel occupation status of the unlicensed spectrum by the base station.

Abstract: The present disclosure relates to a user equipment (UE) that comprises a receiver, which receives a plurality of random access type threshold values. A processing circuitry of the UE determines a random value and then selects a type of a random access procedure to be performed by the UE. The selecting comprises at least selecting one out of the plurality of random access type threshold values, comparing the determined random value against the selected random access type threshold value, and selecting a type of the random access procedure based on the result of the comparison. The UE then performs the random access procedure of the selected type.

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 user equipment in a mobile communication system. The UE comprises processing circuitry, which in operation, determines at least one radio link via which a first base station is to forward data packets to the user equipment. The user equipment is connectable to both the first base station via a first radio link and to a second base station via a second radio link. The UE further comprises a transmitter, which in operation, transmits a radio link selection message to the first base station. The radio link selection message comprises information on the determined at least one radio link for instructing the first base station via which at least one radio link to forward the data packets to the user equipment.

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.

Abstract: The present disclosure relates to a user equipment, a base station, and uplink transmission and reception methods. The user equipment comprises a transceiver which, in operation, receives an indication indicating a priority level to be enforced, and circuitry which, in operation, compares a priority level of a first uplink transmission with the indicated priority level to be enforced, the first uplink transmission being granted to the UE prior to scheduling of a second uplink transmission allocated to resources overlapping with resources allocated to the first uplink transmission, wherein the transceiver, in operation, performs the first uplink transmission based on a result of the comparison.

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, transmits a scheduling request for scheduling data over a physical uplink control channel, PUCCH; and circuitry, which, in operation, initiates a monitoring sleeping timer after the transceiver transmitted the scheduling request, wherein the transceiver, in operation, does not monitor a physical downlink control channel, PDCCH, while the monitoring sleeping timer is running, and starts monitoring the PDCCH for resource allocation for the scheduling data when the monitoring sleeping timer has expired.

Abstract: A terminal, with which it is possible to improve the efficiency of a random access process. In a terminal (200), a control unit (209) dynamically determines a parameter pertaining to the transmission of a data part out of a random access signal that includes a preamble part and the data part. A transmission unit (217) notifies the determined parameter to a base station (100) using the random access signal.

Abstract: The present disclosure relates to a user equipment comprising a receiver receiving a minimum-system-information message from a first radio base station. System information for the first radio cell that can be acquired by the UE is carried within the minimum-SI message and one or more additional-SI messages. The minimum-SI message includes system information for accessing the first radio cell and at least one system information index, each of which is associated with one of the additional-SI messages. The SI message index comprises a value tag and an area pointer, the latter pointing to one area already defined. Processing circuitry determines whether the UE had already acquired before the additional-SI message associated with the same value tag and the same area. If the determination is positive, the processing circuitry determines that system information included in said additional-SI message acquired before is applicable to the first radio cell.

Abstract: The present disclosure relates to a radio base station serving a user equipment in a first radio cell of a mobile communication system. The radio base station comprises processing circuitry which determines that a neighbor radio base station does not provide a beamformed reference signal to the user equipment. The neighbor radio base station controls the transmission in its neighbor radio cell of an omni-directional reference signal and the beamformed reference signal. A transmitter transmits a reference signal request to the neighbor radio base station. The reference signal request requests the neighbor radio base station to provide the beamformed reference signal to the user equipment. A receiver receives from the neighbor radio base station a reference signal request response, including information on the transmission of the requested beamformed reference signal. The transmitter transmits a notification to the user equipment, comprising information on the requested beamformed reference signal.

Abstract: The present disclosure provides a transceiver device, comprising circuitry, which, in operation, repeats, on a medium access control (MAC) layer, a scheduling request by instructing a transceiver to transmit the scheduling request on a plurality of opportunities of a physical uplink control channel (PUCCH). The transceiver, in operation, transmits the scheduling requests over the PUCCH.

Abstract: The present disclosure relates to a user equipment that comprises processing circuitry that performs power-related measurements on at least one radio carrier and generates measurement results based thereon. The reporting of the measurement results is based on a report trigger condition. The processing circuitry determines whether or not to adjust the measurement results and/or the report trigger condition so as to trigger the reporting of the measurement results earlier than without the adjustment. In case of determining to adjust, the processing circuitry adjusts the measurement results and/or the report trigger condition so as to trigger the reporting of the measurement results earlier than without the adjustment. The processing circuitry, after the adjustment, determines whether or not the report trigger condition is fulfilled for reporting the measurement results. A transmitter transmits a measurement report including the measurement results, in case the reporting of the measurement results is triggered.

Abstract: The present disclosure relates to a mobile terminal, a system and respective methods. The user equipment receives a SI configuration for an SI message, the configuration indicating a periodicity at which the SI message is being broadcasted, determines that receiving the SI message, to be broadcasted in one of plural first time windows that are reoccurring at the indicated periodicity, is unsuccessful, and transmits a SI request for the SI message after determining the unsuccessful receipt of the SI message. The SI request includes an indication of the at least one SI message to be broadcasted. Then, the user equipment receives the at least one SI message within at least one second time window occurs after the one of the plural first time windows and before the next of the first time window that is reoccurring at the indicated periodicity, and determines that receiving the SI message is successful.

Abstract: The present disclosure relates to a user equipment comprising a receiver receiving a minimum-system-information message from a first radio base station. System information for the first radio cell that can be acquired by the UE is UE Start carried within the minimum-SI message and one or more additional-SI messages. The minimum-SI message includes system information for accessing the first radio cell and at least one system information index, each of which is associated with one of the additional-SI messages. The SI message index comprises a value tag and an area pointer, the latter pointing to one area already defined. Processing circuitry determines whether the UE had already acquired before the additional-SI message associated with the same value tag and the same area. If the determination is positive, the processing circuitry determines that system information included in said additional-SI message acquired before is applicable to the first radio cell.

Abstract: The present disclosure relates to a radio base station serving a user equipment in a first radio cell of a mobile communication system. The radio base station comprises processing circuitry which determines that a neighbor radio base station does not provide a beamformed reference signal to the user equipment. The neighbor radio base station controls the transmission in its neighbor radio cell of an omni-directional reference signal and the beamformed reference signal. A transmitter transmits a reference signal request to the neighbor radio base station. The reference signal request requests the neighbor radio base station to provide the beamformed reference signal to the user equipment. A receiver receives from the neighbor radio base station a reference signal request response, including information on the transmission of the requested beamformed reference signal. The transmitter transmits a notification to the user equipment, comprising information on the requested beamformed reference signal.

Abstract: The disclosure relates to a communication device, a base station and respective integrated circuits and methods for a communication device and a base station. The communication device comprises a transceiver which, in operation, receives, from a base station, a hopping pattern indicator, a hopping pattern being an order of a plurality of bandwidth parts by which a signal is to be received or transmitted in a plurality of transmission time intervals, TTIs, a bandwidth part being formed by at least one physical resource block. The communication device further comprises circuitry which, in operation, determines a hopping pattern to be applied based on the hopping pattern indicator. The transceiver, in operation, further receives or transmits the signal in the plurality of TTIs according to the determined hopping pattern.

Abstract: The present disclosure relates to a source base station. The source base station comprises a processing circuitry that generates a user equipment packet duplication status. The user equipment packet duplication status includes information on the status of uplink packet duplication performed by a user equipment with the source base station and at least one further base station. The information on the status of uplink packet duplication is per uplink radio bearer, one or more uplink radio bearers being established between the user equipment and the source base station. The source base station further comprises a transmitter that transmits the user equipment packet duplication status to a target base station which is the target of a handover from the source base station performed for the user equipment.