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.

Abstract: Embodiments of the disclosure provide a method for configuring downlink control information (DCI) monitoring and a terminal device. The method includes: receiving, a radio resource control (RRC) signal, wherein the RRC signal indicates a specific DCI format is configured, the specific DCI format schedules a plurality of first shared channels of a plurality of cells, and each of the plurality of cells is associated with a DCI size budget; selecting a single specific cell from the plurality of cells based on the RRC signal; receiving DCI formats and accordingly perform a blind detection, the blind detection involves performing a DCI size alignment on the DCI formats associated with a reference cell of the plurality of cells based on the DCI size budget associated with the reference cell in response to determining that the DCI size budget associated with the reference cell is not met.

Abstract: An electronic device of decoding a current video block in a video picture is provided. The electronic device determines whether a partitioning scheme of the current video block is a single tree partitioning or a dual tree partitioning. The electronic device selects, based on the partitioning scheme, one derivation from candidate derivations to compute a first predictive quantization parameter (QP) for the current video block. A first derivation comprises computing the first predictive QP based at least in part on another QP and an additional value when the partitioning scheme is the single tree partitioning. A second derivation comprises computing the first predictive QP by using a previously-derived QP when the partitioning scheme is the dual tree partitioning. The electronic device computes a second QP based at least in part on the first predictive QP and an offset value, and use the second QP to decode the current video block.

Abstract: Some present implementations provide a method for indicating multiple spatial relations for uplink (UL) transmissions by a user equipment (UE). The method may receive a first configuration for configuring one or more physical uplink control channel (PUCCH) resources. The method may further receive a second configuration for configuring a plurality of spatial relations. The method may also receive a signal that indicates at least one of a first mode or a second mode. The method may further receive downlink control information (DCI) indicating a PUCCH resource from the one or more PUCCH resources, where first and second spatial relations are activated for the PUCCH resource. The method may derive a plurality of PUCCH transmission occasions associated with the indicated PUCCH resource. A same uplink control information (UCI) content may be transmitted on each of the plurality of PUCCH transmission occasions by applying the spatial relations based on the indicated mode.

Abstract: A user equipment and a method for configuring Physical Uplink Control Channel (PUCCH) resources are provided. The method includes receiving a first bandwidth part (BWP) configuration associated with a first uplink (UL) BWP, the first BWP configuration including a PUCCH configuration list with a first PUCCH configuration and a second PUCCH configuration, the first PUCCH configuration indicating a first set of PUCCH resource identifiers (IDs), the second PUCCH configuration indicating a second set of PUCCH resource IDs; and receiving a second BWP configuration associated with a second UL BWP, the second BWP configuration including a third PUCCH configuration, the third PUCCH configuration indicating a third set of PUCCH resource IDs. The first set of PUCCH resource IDs and the second set of PUCCH resource IDs share no common PUCCH resource ID.

Abstract: Embodiments of the disclosure provide a method for determining a specific linear model and a video processing device. The method includes: determining a plurality of linear model parameters of each of a plurality of linear models; determining a chroma template reconstruction and a luma template, wherein the chroma template reconstruction and the luma template are associated with a specific chroma block; determining a chroma template prediction corresponding to each of the plurality of linear models based on the luma template and the corresponding linear model parameters; determining a template cost of each of the plurality of linear models based on the chroma template reconstruction and the corresponding chroma template prediction; and selecting the specific linear model from the linear models based on the template cost of each of the plurality of linear models.

Abstract: Methods and user equipment of sidelink discontinuous reception (SL-DRX) are provided. The method includes: rejecting a SL-DRX configuration of a sidelink service by transmitting one of a first signaling and a second signaling with a sidelink destination identity to a serving cell of the first UE according to a cast type of the sidelink service, wherein the sidelink destination identity is associated with the sidelink service and the SL-DRX configuration is configured by the serving cell; and in response to rejecting the SL-DRX configuration, disabling a SL-DRX mechanism for the sidelink service and the sidelink destination identity.

Abstract: A method and a user equipment (UE) for wireless communication in a wireless communication system are provided. The method includes receiving serving-cell-configurations of a first serving cell and a second serving cell; receiving a Beam Failure Recovery (BFR) configuration including a configuration list that includes at least one configuration, the BFR configuration being used for at least the first serving cell, the at least one configuration indicating an identifier value of a Downlink Reference Signal (DL RS); performing a measurement by measuring at least one DL RS indicated by the configuration list, the measurement being associated with a measurement metric; selecting one configuration included in the configuration list after detecting beam failure in the first serving cell, the measurement metric of a DL RS indicated by the selected one configuration being greater than a threshold; transmitting a Medium Access Control-Control Element (MAC-CE) including at least one bitmap.

Abstract: A communication method performed by a User Equipment (UE) configured with a Discontinuous Reception (DRX) operation includes the UE initiating a Random Access (RA) procedure for Beam Failure Recovery (BFR) on a Special Cell (SpCell) after detecting a beam failure event on the SpCell, and transmitting a BFR Medium Access Control (MAC) Control Element (CE) on the SpCell. The BFR MAC CE indicates the beam failure event for the SpCell. The communication method further includes the UE determining a period of time as a DRX Active Time for the UE. The beginning of the period of time is determined by a first time at which the UE transmits the BFR MAC CE on the SpCell. The end of the period of time is determined by a second time at which the UE receives a BFR Response (BFRR) from the SpCell.

Abstract: A method performed by a base station (BS) is provided. The method transmits, to a user equipment (UE), a radio resource control (RRC) message that carries a configuration for a configured downlink (DL) transmission on a first DL channel and a configured uplink (UL) transmission on a UL channel. In a case a timing condition between the first DL channel and a second DL channel is satisfied, the method transmits, to the UE, the second DL channel; cancels the configured DL transmission on the first DL channel; and cancels the configured UL transmission on the UL channel. The UL channel includes a physical uplink control channel (PUCCH) for a hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback.

Abstract: Provided is a communication procedure for data transmission and/or reception suitable for a Network Slice and a DeCOR. One or a plurality of Network Slices are included in a core network managed by the network operator, the Network Slice is configured of one or a plurality of Network Functions, and based on registration information of a terminal apparatus or a request of the terminal apparatus, the terminal apparatus performs processing to connect to the one or the plurality of Network Slices corresponding to a service or an application. Furthermore, based on an authentication result from the network, the terminal apparatus performs processing to connect to a supplemental Network Slice.

Abstract: A communication method used by a base station apparatus includes: transmitting a PDCCH, a PDSCH, and a higher layer signaling to configure threshold values; and receiving HARQ-ACKs and an SR, the HARQ-ACKs including a HARQ-ACK. When a number of bits of the HARQ-ACK is equal to or less than two, a resource of the PUCCH is provided from PUCCH resources included in a first PUCCH resource set based on a first value provided based on a number of bits of the HARQ-ACKs received in the PUCCH, regardless of a number of resources of the SR that overlap with the PUCCH, and when the number of bits of the HARQ-ACK exceeds two, the resource of the PUCCH is provided from PUCCH resources included in a second PUCCH resource set based on threshold values, a sum of the number of bits of the HARQ-ACKs, and the number of resources of the SR.

Abstract: Method and apparatus use a value tag in conjunction with transmission and/or processing of system information in a wireless communication network. The method includes a User Equipment (UE) receiving a first type system information block (SIB) from a base station (BS) apparatus. The first type SIB includes an identifier of a second type SIB and a first value tag indicating a version of the second type SIB. The method further includes the UE determining whether to request the second type SIB by comparing the first value tag with a prestored second value tag. The prestored second value tag is associated with a prestored second type SIB. The method further includes the UE transmitting to the BS apparatus a request message for the second type SIB when the prestored second value tag does not match the first value tag and receiving the second SIB from the BS apparatus.

Abstract: Provided by the present disclosure are an access control method in a user equipment and the user equipment, which may flexibly control the activation and deactivation of PDCP duplication and the activation and deactivation of a serving cell restriction. The access control method comprises: receiving configuration information related to a data radio bearer (DRB); receiving a media access control element (MAC CE) indicating the activation/deactivation of a packet data convergence protocol layer (PDCP) duplication function of the DRB; when the MAC CE indicates the deactivation of the PDCP duplication function, determining whether the configuration information comprises indication information, the indication information indicating a restriction relationship between a logical channel associated with the DRB and a serving cell which is allowed to be used; and determining a serving cell used for the logical channel according to the result of the determination.

Abstract: A method of encoding video data by an electronic device is provided. A block unit is determined from an image frame according to the video data. A line index is encoded in a bitstream based on a selected reference line of the block unit and is compared with a first predefined value to determine whether to encode a mode flag in the bitstream. A mode index is directly encoded in the bitstream for indicating a prediction mode of the block unit from a most probable mode (MPM) list of the block unit when the mode flag is not encoded. The mode flag is compared to a second predefined value for encoding the mode index when the mode flag is encoded in the bitstream to indicate whether the prediction mode is selected from the MPM list. The block unit is predicted based on the selected reference line and the prediction mode.

Abstract: A method for a DRX operation is provided. The method includes receiving a first DCI indicating a first location in a first BWP for receiving DL data corresponding to a HARQ process and a second location in a second BWP for transmitting a HARQ feedback corresponding to reception of the DL data; receiving the DL data at the first location; transmitting the HARQ feedback at the second location; starting a first timer in a first symbol of the first BWP immediately after the HARQ feedback to indicate a first time period during which monitoring a PDCCH for the HARQ process is not required; and starting a second timer in a first symbol of the first BWP immediately after expiration of the first timer to indicate a second time period during which monitoring the PDCCH for receiving a second DCI indicating a retransmission of the DL data is required.

Abstract: A method of uplink resource allocation and a user equipment are provided. The method includes: receiving a configuration and the configuration contains at least one configured uplink grant configuration; selecting one of the at least one configured uplink grant configuration in response to a trigger event; determining an uplink resource according to the selected configured uplink grant configuration; and transmitting pending uplink data via the uplink resource.

Abstract: A system and a method of random access resource selection are provided. The method includes a target Base Station (BS) transmitting a first Synchronization Signal Block (SSB) to a User Equipment (UE), the first SSB associated with a first contention-free random access resource for the UE to transmit a random access preamble; the target BS transmitting a second SSB to the UE, the second SSB associated with a contention-based random access resource; and in a case that a first Synchronization Signal-Reference Signal Received Power (SS-RSRP) of the first SSB is not greater than an SS-RSRP threshold and a second SS-RSRP of the second SSB is greater than the SS-RSRP threshold, the target BS receiving the random access preamble from the UE using the contention-based random access resource.