Panasonic Intellectual Property Corporation of America

Ming-Hung Tao

Hidetoshi Suzuki

Rikin Shah

Quan Kuang

Ankit Bhamri

Akihiko Nishio

Hongchao Li

Tetsuya Yamamoto

Alexander Golitschek Edler Von Elbwart

Lilei Wang

David Gonzalez

Madhav Gupta

Yihui Li

Sivapathalingham Sivavakeesar

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.

Transceiver device and scheduling device

The present disclosure provides a base station, comprising a transceiver; and circuitry which, in operation, controls the transceiver to serve a cell associated with a first tracking area code, TAC, periodically transmit, in system information, a TAC indicator indicating at least one TAC associated with the cell, and transmit a trigger indicator for triggering a transceiver device to perform a system information update procedure when a content of the system information changes, wherein the circuitry, in operation, prevents the transceiver from transmitting the trigger indicator in a case where the cell is being associated with a second TAC due to a movement of the cell.

Tracking area code transmission in non-terrestrial networks

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.

User equipment and base station participating in a system information acquisition procedure

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.

User equipment and base station participating in prioritized random access

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.

Apparatus system and method for acquisition of on-demand system information

A terminal, with which it is possible to improve the efficiency of a random access process. In a terminal, a control unit 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 notifies the determined parameter to a base station using the random access signal.

Terminal and communication method

The present disclosure provides a transceiver device, comprising a transceiver, which in operation, receives data after receiving a scheduling grant; and circuitry, which in operation, determines whether or not to apply a restriction to a time domain resource allocation, TDRA, table according to a minimum scheduling gap, wherein the determination includes a determination of whether or not a common TDRA table is configured.

Devices and methods for cross-slot scheduling adaption

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.

User equipment and base station participating in packet duplication during handover for NR

A user equipment (UE) 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.

User equipment involved in monitoring a downlink control channel

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.

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. The processor determines a UE-specific timing advance value, specific to the UE and the target radio cell, to be used by the UE for performing uplink transmissions in the target radio cell.

User equipment and base station involved in a handover

The present disclosure relates to a user equipment (UE) that comprises a receiver, which receives, from abase station, a minimum cross-slot time-domain scheduling parameter, indicating a minimum amount of slots between a scheduling downlink control information, DCI, and an uplink or downlink transmission scheduled by the scheduling DCI. The minimum cross-slot time domain scheduling parameter is carried by a DCI message. Processing circuitry of the UE determines an updating time at which a previously-received minimum cross-slot time-domain scheduling parameter is to be updated based on the received minimum cross-slot time-domain scheduling parameter and then updates the previously-received minimum cross-slot time-domain scheduling parameter based on the received minimum cross-slot time-domain scheduling parameter at the determined updating time. The updating time is determined based on a message exchanged between the UE and the base station, wherein the message relates to the DCI message carrying the minimum cross-slot time-domain scheduling parameter.

User equipment and base station involved in time-domain scheduling

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.

User equipment and base station participating in cell measurement procedures

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.

User equipment involved in neighbor cell measurement procedures

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.

Growing community of inventors

Langen, Germany

Ming-Hung Tao