Abstract: This disclosure relates to video coding and more particularly to techniques for performing deblocking of reconstructed video data. In one example, a method of filtering reconstructed video data is disclosed. The method comprises: receiving an edge type variable specifying whether a vertical or horizontal edge is filtered; deriving a maximum filter length based on the edge type variable; and performing a deblocking filtering for a current block based on the maximum filter length.

Abstract: A method, performed by a User Equipment (UE), for a Beam Failure Recovery (BFR) procedure includes receiving, from a Base Station (BS), a BFR configuration for a serving cell of the BS, wherein the BFR configuration includes a threshold for a Beam Failure Instance (BFI) counter associated with the serving cell, and the threshold is associated with a beamFailureInstanceMaxCount information element (IE); incrementing a value of the BFI counter based on a Beam Failure Detection (BFD); triggering the BFR procedure for the serving cell when the value of the BFI counter is equal to or higher than the threshold; performing Band Width Part (BWP) switching for the serving cell when receiving a reconfiguration indication from the BS, wherein the reconfiguration indication includes a BWP index; and setting the value of the BFI counter to zero when performing the BWP switching.

Abstract: A user equipment and a method for handling a switching time period of downlink (DL)-uplink (UL) switching for half duplex-frequency division duplex operation are provided. The method includes: receiving a first configuration for a first active bandwidth part (BWP) with a first sub-carrier spacing (SCS), the first active BWP being one of an active UL BWP and an active DL BWP; receiving a second configuration for configuring a second active BWP with a second SCS, the second active BWP being another one of the active UL BWP and the active DL BWP; receiving a third configuration for the switching time period, the switching time period having a unit of symbol; performing communication with a Base Station (BS) on the first active BWP with the first SCS; and performing, after the switching time period, communication with the BS on the second active BWP with the second SCS.

Abstract: A method and a user equipment (UE) for timing alignment is provided. The method comprises receiving, from a Base Station (BS), a first configuration indicating at least one of a scheduling offset, a common Timing Advance (TA), and satellite ephemeris information; receiving, from the BS, a second configuration indicating a TA offset for a TA variable; determining a UE-specific TA based on the satellite ephemeris information; determining a total TA based on at least one of the TA variable, the TA offset for the TA variable, the common TA, and the UE-specific TA; and starting, from a transmission by the UE, a time window after an additional time based on the total TA and the scheduling offset.

Abstract: A method for Radio Access Network (RAN) Notification Area (RNA) management for a user equipment (UE) is provided. The method receives a first Radio Resource Control (RRC) message having a first Radio Access Network (RAN) Notification Area (RNA) configuration. The method then stores the first RNA configuration, when the UE is in one of an RRC Connected state, an RRC Inactive state, or transitioning between the RRC Inactive state and the RRC Connected state. The method applies an RNA update procedure based on the first RNA configuration when the UE is in the RRC Inactive state.

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

Abstract: Provided is a technology related to a terminal apparatus, a base station apparatus, a method, and an integrated circuit capable of reducing complexity of protocol processing, reducing deterioration of phone call quality, and efficiently performing communication. A terminal apparatus for communicating with a base station apparatus includes: a reception unit configured to receive an RRC message from the base station apparatus; and a processing unit configured to configure a packet loss prohibit timer according to a packet loss rate report prohibit timer field included in the RRC message and configured to, based on reception of a report of a packet loss rate from a higher layer and a fact that a packet loss rate report prohibit timer is not running, create a packet loss rate report content, start the packet loss rate report prohibit timer, and perform transmission to the base station apparatus.

Abstract: A video device to determine picture count information for decoding video pictures is provided. The video device decodes a picture order count (POC) most significant bit (MSB) first flag that indicates whether a POC MSB second flag is present. When the POC MSB second flag is present, the video device decodes the POC MSB second flag indicating whether a POC MSB cycle element is present. When the POC MSB cycle element is present, the video device decodes the POC MSB cycle element that specifies a value of a POC MSB cycle. The value of the POC MSB cycle is used to compute a POC MSB value that is combined with a POC least significant bit (LSB) value to produce a POC value used for decoding a first video picture, and a length of the POC LSB value is based on a maximum POC LSB minus four value.

Abstract: A method for transmitting physical uplink shared channel (PUSCH) and a user equipment (UE) are provided. In the method, a configuration of a first PUSCH with a number of PUSCH repetitions is received. Physical Downlink Control Channel (PDCCH) which includes a Transmit Power Control (TPC) command is received. Whether the PDCCH is received within a number of symbols before a first symbol of a slot bundle is determined. In response to determining the PDCCH is received within the number of symbols before the first symbol of the slot bundle, the TPC command is applied for a first PUSCH transmission occasion within the slot bundle. In response to determining the PDCCH is not received within the number of symbols before the first symbol of the slot bundle, the TPC command is applied for a second PUSCH transmission occasion within a second slot bundle after the slot bundle.

Abstract: A user equipment (UE) with a transmission/reception unit is provided. The UE comprises: when a timer for a Single Network Slice Selection Assistance Information (S-NSSAI) and a Data Network Name (DNN) is operating, the transmission/reception unit initiates an Evolved Packet System (EPS) Session Management (ESM) procedure in the EPS by using a Access Point Name (APN); the APN is same as the DNN; and the transmission/reception unit receives a value of the timer in a Protocol Data Unit (PDU) session establishment reject message.

Abstract: A method performed by a first base station (BS) in a secondary cell group (SCG) associated with a user equipment (UE) is provided. The method receives, from a second BS in a master cell group (MCG) associated with the UE, a request for a configuration for packet data convergence protocol (PDCP) data duplication. The method then generates a mapping configuration for the PDCP data duplication in the SCG after receiving the request. The method transmits, to the UE, the mapping configuration.

Abstract: A UE for performing mobility management is disclosed. The UE includes at least one non-transitory computer-readable medium storing computer-executable instructions, and at least one processor coupled to the at least one non-transitory computer-readable medium, and configured to execute the computer-executable instructions to: transmit, to a first network node, a RRC message indicating a required network slice/service of the UE, the required network slice/service uniquely identified by S-NSSAI; receive, from the first network node, a second RRC message including information of a second network node that supports the required network slice/service of the UE when the required network slice/service identified by the S-NSSAI is not supported by the first network node; and perform a mobility management procedure based on the information of the second network node received from the first network node when the required network slice/service is not supported by the first network node.

Abstract: A method of performing a closed access group (CAG) selection in a non-public network (NPN) for a user equipment (UE) is provided. The method includes receiving, from a CAG cell, a first indication and a CAG identity via a System Information Block 1 (SIB1), reporting, by an Access Stratum (AS) layer of the UE, to a Non-Access Stratum (NAS) layer of the UE, the first indication and the CAG identity when a request from the NAS layer is received, and performing a cell selection or reselection procedure according to the CAG identity, wherein the first indication is associated with the CAG identity and indicates that the CAG identity is allowed to be selected manually even if the CAG identity is not included in an allowed CAG list of the UE.

Abstract: Some of the present embodiments provide a method for search space monitoring by a user equipment (UE). The method includes monitoring a first search space and a second search space. The method may receive, from a serving base station, a search space monitoring (de)activation message, which is transmitted by the serving base station of the UE, by monitoring the first search space. The method deactivates the monitoring of the second search space based on the received search space (de)activation message. In some of the present embodiments, each of the first and second search spaces includes one or more physical downlink control channel (PDCCH) candidates, and monitoring the first search space and the second search space comprises decoding the one or more PDCCH candidates in each of the first search space and the second search space.

Abstract: A non-transitory computer-readable medium of a device that stores computer-executable instructions is provided. When the instructions are executed by the device, the instructions cause the device to: determine a line index of a block unit determined from an image frame in the bitstream for selecting one of reference lines; compare the line index with a first predefined value to determine whether a mode flag is included in the bitstream; determine a mode index in the bitstream for directly selecting a prediction mode from a most probable mode (MPM) list when the mode flag is not included in the bitstream; compare the mode flag 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 based on the mode index; and reconstruct the block unit based on the selected reference line and the prediction mode.

Abstract: A moving image decoding method for generating prediction images by a device is provided. First and second prediction image are generated. Bidirectional prediction gradient change prediction processing is performed by using a first shift value and difference values of horizontally neighboring samples and vertically neighboring samples in the first and second prediction images to generate a first, second, third and fourth gradient images. Motion information is derived by using the first and second prediction images, the first, second, third and fourth gradient images, a second shift value, and a third shift value. Motion compensation correction value is derived by using the motion information and the first, second, third and the fourth gradient images. The third prediction image is generated by using the first and second prediction images and the motion compensation correction value. The first, second and third shift values are derived based on a pixel bit length of eight.

Abstract: A method and a BS for construction of a DCI format are provided. The method includes configuring a first DAI field of first DCI with a first size and configuring a second DAI field of second DCI with a second size; generating at least one bit with a zero value for one of the first DAI field and the second DAI field if a size difference between the first size and the second size exists; and transmitting, to a UE, an RRC message, the first DCI, and the second DCI, wherein the RRC message includes information for configuring a HARQ-ACK codebook list, the HARQ-ACK codebook list includes a first HARQ-ACK codebook indicated by the first DCI and a second HARQ-ACK codebook indicated by the second DCI, and the first DCI and the second DCI have a same format.

Abstract: This disclosure relates to video coding and more particularly to techniques for performing deblocking of reconstructed video data. According to an aspect of an invention, a maximum filter length is determined based on whether a P-block or a Q-block has an edge which is perpendicular to a deblocking boundary and whose size is greater than or equal to 32.

Abstract: Provided are a method executed by user equipment (UE), UE, and a base station. The method includes: receiving from the base station a first Radio Resource Control (RRC) message containing a handover command; storing a handover configuration included in the first RRC message; and managing the handover configuration. Before receiving the RRC message containing the handover command, the UE still maintains communication with a source base station before a handover is executed, thus shortening data transmission interruption time.

Abstract: A method for a UE for performing a dormant operation is provided. The method includes receiving, from a BS, an RRC configuration indicating a set of one or more dormancy cell groups, wherein a group of serving cells belongs to a specific dormancy cell group in the set of one or more dormancy cell groups; receiving, from the BS, a signal including a bitmap, each bit of the bitmap being associated with a respective dormancy cell group in the set of one or more dormancy cell groups; and switching, based on a bit in the bitmap that is associated with the specific dormancy cell group, active BWPs of all serving cells included in the group of serving cells to a dormant BWP or to a non-dormant BWP.