Abstract: A method of system information transmissions performed by a user equipment (UE) includes receiving a system information (SI) scheduling information list for a plurality of SI messages and a random access resource list for a plurality of SI requests via a system information block type 1 (SIB1), and determining, when a plurality of random access resource entries exist in the random access resource list for the plurality of SI requests including a first SI request and a second SI request, that a first entry of the plurality of random access resource entries in the random access resource list for the first SI request corresponds to a first entry in the SI scheduling information list and that a second entry of the plurality of random access resource entries in the random access resource list for the second SI request corresponds to a second entry in the SI scheduling information list.

Abstract: This invention relates to a method of coding video data. The method comprising: determining a largest coding unit size for a picture; determining whether a largest coding unit within a picture is an intra type largest coding unit; and applying a partitioning to the largest coding unit based on whether the largest coding unit is an intra type largest coding unit.

Abstract: To provide a base station apparatus, a terminal apparatus, and a communication method capable of ensuring high reliability and low latency of URLLC. There are included a receiver configured to detect first and second DCI formats and RRC information, and a transmitter capable of data transmission based on any of a first uplink grant to be available via activation by using a radio resource periodicity included in the RRC information and the first DCI format, a second uplink grant to be available via activation by using the radio resource periodicity included in the RRC information and the second DCI format, and a third uplink grant to be available after detection of the second DCI format, wherein multiple DCI formats are detected, the transmitter performs an override, in a case that the third uplink grant overlaps in a time domain with the second uplink grant, and performs an override, in a case that the first uplink grant overlaps in a time domain with the third uplink grant.

Abstract: The present disclosure provides a method executed by user equipment, including: step (S1): transmitting, by user equipment, a Narrowband Physical Random Access Channel (NPRACH) preamble to a base station, where an NPRACH resource used by the user equipment indicates that the user equipment requests use of EDT; step (S2): receiving, by the user equipment, a narrowband random access response grant from the base station, where the value of a Modulation and Coding Scheme (MCS) index field indicates that resources are allocated to a Msg3 via EDT; step (S3): transmitting, by the user equipment, the Msg3 according to an indication of the narrowband random access response grant; step (S4): receiving, by the user equipment, a Downlink Control Information (DCI) format N0 from the base station; and step (S5): re-transmitting, by the user equipment, the Msg3 according to an indication of the DCI format N0.

Abstract: A terminal apparatus includes a receiver configured to receive a physical downlink shared channel and a transmitter configured to multiplex first channel state information having a higher priority than second channel state information with the second channel state information and an HARQ-ACK and to transmit the first channel state information, the second channel state information and the HARQ-ACK multiplexed, by using a physical uplink control channel resource.

Abstract: A terminal apparatus includes a coding unit configured to map coded bits for an uplink shared channel (UL-SCH) and a first sequence to a set of elements, and a transmitter configured to transmit a physical uplink shared channel (PUSCH), wherein each of the elements is identified by a subcarrier index of the PUSCH and an OFDM symbol index of the PUSCH, and whether the first sequence is mapped without using a prescribed set of elements is given based on at least the number of hybrid automatic repeat request HARQ-ACK bits mapped to the PUSCH.

Abstract: A terminal apparatus includes a receiver configured to receive a PDCCH including a DCI format, and a transmitter configured to transmit a PUCCH. In a case that the DCI format schedules a PDSCH and that a last OFDM symbol of the PDSCH is mapped in a first slot, the PUCCH is transmitted in a second slot, the number of slots from the first slot to the second slot is given based on a PDSCH-to-HARQ-timing-indicator field, and a length of each of the slots is given based on a subcarrier spacing configuration of the PUCCH.

Abstract: A method for radio link monitoring (RLM) performed by a user equipment (UE) is provided. The method includes: receiving, from a serving cell, an RLM configuration; monitoring an RLM reference signal (RS) (RLM-RS) resource indicated by the RLM configuration to determine a first downlink (DL) radio link quality; monitoring a backup RLM-RS resource that is associated with the RLM-RS resource to determine a second DL radio link quality after determining that the first DL radio link quality is lower than a threshold and the RLM configuration also indicates the backup RLM-RS resource; and sending, via a physical (PHY) layer of the UE, an RLM indication to a higher layer of the UE based on at least one of the first DL radio link quality and the second DL radio link quality.

Abstract: A method of sidelink unicast service management in an access stratum layer for a first user equipment (UE) is disclosed. The method comprises receiving, by the first UE through a PC5 interface, a sidelink unicast configuration associated with a second UE, from the second UE, transmitting, by the first UE through a radio resource control, RRC, signaling of the PC5 interface, a sidelink unicast link problem report, to the second UE in responsive to that the first UE is unable to comply with all or part of the sidelink unicast configuration, and performing, by the first UE, a sidelink unicast fallback procedure with the second UE by continuously using a sidelink unicast configuration setting of the first UE with corresponding configurations in a sidelink unicast pre-configuration used prior to the received sidelink unicast configuration.

Abstract: To provide a technique related to a terminal apparatus, a method, and an integrated circuit for efficiently performing communication between a base station apparatus and the terminal apparatus by correctly managing QoS.

Abstract: A method for acquiring system information (SI) performed by a user equipment (UE) in a radio resource control (RRC)_CONNECTED state is provided. The method includes: performing a first set of operations after determining that the UE is not configured with a common search space (CSS) in an active bandwidth part (BWP); and performing a second set of operations after determining that the UE is configured with the CSS in the active BWP. The first set of operations includes: transmitting, to a cell, a first RRC message for requesting a required system information block (SIB) after determining that the required SIB is provided by the cell; and receiving, from the cell, a second RRC message including the required SIB. The second set of operations includes: transmitting, to the cell, a third RRC message for requesting the required SIB after determining that the required SIB is provided by the cell and the required SIB is not broadcast in the cell; and receiving, from the cell, the required SIB in the CSS.

Abstract: A method of generating a prediction for an area of video data, comprises Receiving a rectangular video block including sample values, and for each sample included in the video block, generating a predictive sample value by averaging a horizontal interpolation and a vertical interpolation corresponding to the location of the sample within the video block.

Abstract: An image coding apparatus includes a coded data generating unit configured to generate coded data including image data for a subpicture acquired by dividing a picture, where the coded data generating unit generates, on a per subpicture basis, a subpicture header including subpicture identification information used for identifying the subpicture, and causes the generated subpicture header to be included in the coded data.

Abstract: A method of decoding a bistream by an electronic device is provided. A block unit is determined from an image frame according to the bitstream. A line index determined in the bitstream is compared with a first predefined value to determine whether a mode flag is included in the bitstream. A mode index is determined for directly selecting a prediction mode of the block unit from a most probable mode (MPM) list of the block unit when the mode flag is not included in the bitstream. The mode flag is compared to a second predefined value when the mode flag is included in the bitstream to determine whether the prediction mode is selected from the MPM list. One of a plurality of reference lines is selected based on the line index. The block unit is reconstructed based on the selected reference line and the prediction mode.

Abstract: A user equipment (UE) and a method for transmitting hybrid automatic repeat request (HARQ) feedback are provided. The method includes: receiving a physical uplink control channel (PUCCH) configuration that indicates a specific PUCCH format of a PUCCH and whether a sidelink (SL) HARQ feedback is allowed to be transmitted on the PUCCH; generating a first HARQ feedback in response to first data received via a physical downlink shared channel (PDSCH); generating a second HARQ feedback in response to second data received via a physical sidelink shared channel (PSSCH); and transmitting uplink control information (UCI) including at least a portion of the first HARQ feedback and at least a portion of the second HARQ feedback via the PUCCH in a case that the PUCCH configuration indicates that the SL HARQ feedback is allowed to be transmitted on the PUCCH and the first HARQ feedback overlaps the second HARQ feedback in a time domain.

Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a receiver configured to receive information related to subcarrier spacing for an OFDM signal from the base station apparatus; and a transmitter configured to transmit an uplink data channel to the base station apparatus by using the OFDM signal, based on the information related to the subcarrier spacing. The transmitter generates the OFDM signal by using a plurality of the subcarrier spacings, and the transmitter configures a transmit power of the uplink data channel, based on the subcarrier spacing of subcarriers to which the uplink data channel has been mapped.

Abstract: A user equipment (UE) is described. The user equipment includes receiving circuitry configured to receive a radio resource control (RRC) signal comprising first information. The receiving circuity is also configured to monitor a physical downlink control channel (PDCCH). The user equipment also includes transmitting circuitry configured to perform semi-persistent channel state information (SP-CSI) reporting. The user equipment also includes processing circuitry configured to drop the SP-CSI reporting based on that the SP-CSI reporting is being performed without multiplexing with an uplink shared channel (UL-SCH) and the SP-CSI reporting overlaps in time with a positive scheduling request (SR) transmission. The processing circuitry is also configured to drop the SP-CSI reporting based on that the SP-CSI reporting overlaps in time with an UL-SCH transmission in one symbol.

Abstract: A method of decoding a bitstream by an electronic device is provided. An image frame is received from the bitstream. A block unit is determined from the image frame. An intra prediction mode index corresponding to one of a plurality of wide-angle candidate modes each having an angle parameter is determined for the block unit based on the bitstream. A plurality of reference samples neighboring the block unit is determined. The electronic device determines whether the intra prediction mode index is different from predefined indices each corresponding to one of predefined wide-angle modes in the wide-angle candidate modes. A plurality of filtered samples is generated by an interpolation filter based on the reference samples when the intra prediction mode index is different from the predefined indices. The block unit is reconstructed based on the filtered samples along a mode direction of the intra prediction mode index.

Abstract: A method performed by a UE for repetition transmissions is provided. The method includes receiving DCI scheduling an uplink transmission; identifying a DCI format of the DCI; selecting, from a plurality of sets of preconfigured values, a set of preconfigured values that is mapped to the DCI format; and determining a number of times the uplink transmission is required to be repeated from the selected set of preconfigured values. A UE applying the same method is also provided.

Abstract: A technique is provided that is related to a terminal apparatus, a base station apparatus, a communication method, and an integrated circuit which enable efficient communication. A terminal apparatus includes a receiver configured to receive, from a base station apparatus, a message requesting mobility history information, and a transmitter configured to notify the base station apparatus of the mobility history information, based on the message. The mobility history information includes a list including identifier information (first identifier information) of a cell of a first radio access technology, and a list including identifier information (second identifier information) of a cell of a second radio access technology. The mobility history information includes stay time information of a limited number of entries, each corresponding to a visit by the terminal apparatus in a cell and/or outside a network.