235 results about "PCell" patented technology

The present disclosure relates to handling a master cell group (MCG) failure in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving, from a source primary cell (PCell), a conditional mobility command including a mobility condition for a target PCell; starting a timer for a master cell group (MCG) failure recovery and transmitting MCG failure information related to the MCG failure recovery to a primary secondary cell (PSCell), based on detecting a radio link failure (RLF) on the source PCell; and based on that the mobility condition for the target PCell is satisfied while the timer is running: transmitting, to the PSCell, a new PCell indication informing a mobility from the source PCell to the target PCell; and performing a random access to the target PCell for the mobility.

One disclosure of the present specification provides a method by which UE performs communication. The method may comprise the steps of: receiving an RRC connection reconfiguration message from a PCell; transmitting an RRC connection reconfiguration complete message to the PCell; receiving an activation command message for an SCell from the PCell; performing cell detection for the SCell; transmitting, to the PCell, information related to a best transmission beam of the SCell; and transmitting, to the PCell, information related to the beam number of second reception beams for beam management corresponding to first reception beams for the cell detection by the UE, which correspond to the best transmission beam.

A wireless transmit / receive unit (WTRU) is configured with multiple conditional handover and / or measurement reporting configurations. The WTRU activates or deactivates one or more of the multiple configurations depending on various conditions, such as the change of the primary cell (PCell), a combination of currently active secondary cells (SCells) in the configured set of candidate L1 / L2 mobility cells, or depending on specific changes in the combination of currently active cells in the configured set of candidate L1 / L2 mobility cells. A conditional reconfiguration may be executed that updates the set of candidate L1 / L2 mobility cells. A list of mobility area indexes may be included in the configuration, such as including an associated set of conditions for activating a particular area or a set of configurations to activate when the index is activated.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method executed of a first node in a wireless communication system is provided. The method comprise receiving a handover request message from a third node, wherein the handover request message includes at least one of conditional handover (CHO) trigger indication information and information indicating the maximum number of primary secondary cell group (SCG) cells (PSCells) to prepare, and transmitting a first message to a second node, wherein the first message includes at least one of a candidate PCell ID or a configuration ID and the information indicating the maximum number of PSCells to prepare.

In some examples, a method, performed in a target master node of a radio network, for preparing handover of user equipment, UE, in dual connectivity, DC, where the handover is between respective primary cells, PCells, of a source master node and a target master node, and respective primary secondary cells, PSCells, of a source secondary node and a target secondary node, comprises receiving, from the source master node, a conditional handover, CHO, request message comprising a unique identifier for the UE defined between the source master node and the target secondary node, and an identifier for the target secondary node, transmitting the unique identifier for the UE to the target secondary node as part of an secondary node addition request for CHO with DC preparation; and receiving, from the target secondary node. first and second delta secondary cell group, SCG, configurations, each one of the first and second delta SCG configurations generated whereby to accommodate different CPC execution states.

Embodiments include methods performed by a user equipment (UE), for managing the UE's secondary serving cells (SCells) in a wireless network. Such methods include receiving, from a first network node, a message to suspend a connection with the first network node. The connection is via a plurality of configured cells including a primary serving cell (PCell) and one or more SCells, which have respective first SCell states. Such methods also include suspending the connection in response to the suspend message. Such methods also include receiving, from the first network node or a second network node, a message to resume the connection. The resume message includes indication of indication of second SCell states for one or more of the following: the one or more SCells, and one or more further SCells to be added to the configured cells more SCells, and one or more further SCells to be added to the configured cells upon resuming the connection. Embodiments also include complementary methods performed by a wireless network.

In one example, a wireless device receives a Radio Resource Control (RRC) reconfiguration message of a target primary cell (PCell). A wireless device identity of the wireless device (to be used in the target PCell) may be absent in the RRC reconfiguration message. In response to receiving a layer 1 / 2 signaling indicating a PCell switching from a source PCell to the target PCell and based on the wireless device identity of the wireless device being absent in the RRC reconfiguration message of the target PCell, the wireless device can reuse a same Cell Radio Network Temporary Identity (C-RNTI) (which is allocated to the wireless device to be used in the source PCell) for the target PCell.

A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving configuration information regarding a plurality of cells for physical uplink control channel (PUCCH) transmission, identifying a secondary cell (SCell) among the plurality of cells based on the configuration information, and in case that a plurality of slots on the SCell overlap with a slot on a primary cell (PCell), transmitting a PUCCH on a first slot among the plurality of slots on the SCell.

The present disclosure relates to a transaction identifier (ID) handling in wireless communications. According to an embodiment of the present disclosure, a user equipment (UE) may determine whether primary cell (PCell) has changed when performing optimized mobility, and when the PCell has changed to new PCell, the UE may inform mobility complete to network via a radio resource control (RRC) message which does not require setting of a transaction identifier (ID).

The present application relates to a method and an apparatus for performing a handover procedure. One embodiment of the subject application provides a method, which includes: receiving a configuration signaling including first configuration information or second configuration information; determining a first target primary cell (PCell) based on the configuration signaling; and performing a handover procedure to the first target PCell.

Methods and apparatuses a joint operation of conditional handover and conditional PSCell addition or change in a wireless communication system. A method of a UE comprises: receiving information including association information, execution conditions, and configurations for candidate PCells and candidate PSCells; evaluating the execution conditions for the candidate PCells and associated candidate PSCells simultaneously; upon the execution conditions for (i) a candidate PCell among the candidate PCells and (ii) a candidate PSCell associated with the candidate PCell are satisfied, determining that the candidate PCell and the associated candidate PSCell as a target PCell and an associated target PSCell, respectively; applying the configurations for the target PCell and the associated target PSCell; performing a random access procedure for the target PCell; and performing a random access procedure for the associated target PSCell.

A method of wireless communication at a UE is disclosed herein. The method includes obtaining an indication of a first TA for a PCell, where the PCell is associated with a first frequency band. The method includes estimating a timing offset between the PCell and a SCell. The method includes deriving a second TA for the SCell based on the first TA and the timing offset, where the SCell is associated with a second frequency band that is greater than the first frequency band. The method includes transmitting, for a network node, data or at least one signal via the SCell based on the second TA.

A method, system and apparatus are disclosed. According to one or more embodiments, a wireless device configured to communicate with a network node is provided. The wireless device includes processing circuitry configured to: receive downlink control information, DCI, from a primary cell, Pcell; determine that at least one bitfield in the DCI indicates a secondary cell Scell, dormancy; and cause the wireless device to transition the Scell from one of to and from a dormant state based on the at least one bitfield, a timing of the transition being based on a numerology of at least one of the Pcell and Scell.

The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transfer rates than 4th generation (4G) communication systems such as long term evolution (LTE). According to various embodiments of the disclosure, a method for operating a base station in which a Master Cell Group (MCG) is configured in a wireless communication system may include: detecting a failure of a Primary Cell (PCell) of a Secondary Cell Group (SCG) (PScell), transmitting inter-Radio Access Technology (RAT) measurement configuration information to a terminal based on the detection, and transmitting information on a cell identified based on the measurement configuration information to a base station in which the SCG is configured.

Methods and apparatuses for enhanced conditional PCell / PSCell addition and changes in a wireless communication system. A method of a UE comprises: receiving reservation information including an indication; determining, based on the indication, whether a candidate PCell / PSCell is reserved; storing, based on a determination that the candidate PCell / PSCell is reserved, the reservation information, CG information and one or more execution conditions associated with the reserved PCell / PSCell; retrieving, after performing a first UE operation, the stored CG information and one or more execution conditions associated with the reserved PCell / PSCell; determining whether one or more execution conditions are met for a reserved PCell / PSCell; and upon determination that one or more execution conditions are met, applying the stored the CG information of the reserved PCell / PSCell to a second UE operation.

Some aspects of this disclosure relate to apparatuses and methods for implementing channel state information (CSI) reporting during activation of a physical uplink control channel (PUCCH) for a secondary cell (SCell). For example, a user equipment (UE) may implement a reporting mechanism that uses multiple PUCCH groups to report CSI measurements. The UE may indicate whether it is capable of reporting a CSI measurements for the SCell on a first PUCCH group corresponding to a primary cell (PCell) or primary secondary cell (PSCell) as well as on a second PUCCH group corresponding to the SCell. Depending on the UE's capabilities, the network may configure the PUCCH groups for the UE to use to report CSI measurements during activation of the SCell PUCCH.

Methods and apparatuses for enhanced conditional PCell / PSCell addition and changes in a wireless communication system. A method of a UE comprises: receiving reservation information including an indication; determining, based on the indication, whether a candidate PCell / PSCell is reserved; storing, based on a determination that the candidate PCell / PSCell is reserved, the reservation information, CG information and one or more execution conditions associated with the reserved PCell / PSCell; retrieving, after performing a first UE operation, the stored CG information and one or more execution conditions associated with the reserved PCell / PSCell; determining whether one or more execution conditions are met for a reserved PCell / PSCell; and upon determination that one or more execution conditions are met, applying the stored the CG information of the reserved PCell / PSCell to a second UE operation.

The present invention discloses an automatic layout generation method. First, for a process library PDK specified by an analog circuit or a mixed-analog circuit, a cell library compiler AcellGen is used to generate the minimum analog unit Acell of each circuit component required for automatic layout. Then, each parameterized unit Pcell in a schematic diagram constructed using the parameterized unit Pcell is replaced with the corresponding minimum analog unit Acell. Then, based on the currently obtained schematic diagram, a corresponding circuit netlist is generated, and the Acell used in the schematic diagram is placed in the same schematic to extract a GDS file. Finally, based on the circuit netlist, GDS and the minimum analog unit of each circuit component required for automatic circuit layout, an automatic place and route tool (PNR) is used to perform final layout generation. The method has the advantages that it can be used for the layout design of analog circuits or mixed-analog circuits, the layout area is small, and no manual intervention is required when performing layout design on analog circuits or mixed-analog circuits, so the efficiency is high.

The invention relates to a PCell code data enhancement method and system and a storage medium, and belongs to the technical field of artificial intelligence training data construction.The PCell code data enhancement method comprises the steps that an LLM large model unit is constructed, and an interface key value pair vector database is constructed; retrieving a vector database and a process rule base based on the PCell code structure template and the code configuration information to generate a first PCell code sample; performing logic error correction on the first PCell code sample to obtain a second PCell code sample, and performing compilation error correction to obtain a third PCell code sample; and performing instantiation error correction on the third PCell code to obtain a fourth PCell code sample, and storing the fourth PCell code sample in a sample library. According to the method, PCell code samples of different types and models of devices can be automatically generated, a large number of high-quality PCell code samples can be generated through multiple error correction, and rapid amplification of PCell code sample data is achieved.

The present disclosure relates to mobility condition evaluation in wireless communications. According to an embodiment of the present disclosure, a method performed by a user equipment (UE) configured to operate in a wireless communication system comprises: receiving a conditional reconfiguration comprising one or more execution conditions for a target primary cell (PCell); determining whether one or more execution conditions of first type for the target primary secondary cell (PSCell) are configured in the conditional reconfiguration; based on the one or more execution conditions of first type for the target PSCell being configured in the conditional reconfiguration, evaluating the one or more execution conditions for the target PCell together with the one or more execution conditions of first type for the target PSCell; and performing a conditional PSCell mobility to the target PSCell, based on the one or more execution conditions for the target PCell and the one or more execution conditions of first type for the target PSCell being fulfilled.

Disclosed are methods and apparatuses for physical uplink control channel (PUCCH) transmission. An embodiment of the subject application provides a method performed by a user equipment. The method includes: receiving a configuration of two physical uplink control channel scheduling request (PUCCH-SR) resources for beam failure recovery request (BFRQ) transmission for a cell group when two beam failure detection reference signal (BFD-RS) sets and two new beam indication reference signal (NBI-RS) sets are configured for a cell of the cell group, wherein there is one-to-one association between the two PUCCH-SR resources and the two BFD-RS sets, and there is one-to-one association between the two BFD-RS sets and the two NBI-RS sets, in response to that only one of the two BFD-RS sets is failed, transmitting a BFRQ in one PUCCH-SR resource of the two PUCCH-SR resources according to an association between the two PUCCH-SR resources and the two BFD-RS sets, and in response to that the two BFD-RS sets are failed, initiating a random access (RA) procedure to transmit a BFRQ, wherein the cell is a primary cell (PCell) or a primary secondary cell (PSCell).

The invention relates to mobility condition assessment in wireless communications. According to an embodiment of the present disclosure, a method performed by a user equipment (UE) configured to operate in a wireless communication system comprises the steps of: receiving a conditional reconfiguration including one or more execution conditions for a target primary cell (PCell); determining whether one or more first type execution conditions for a target primary-secondary cell (PSCell) are configured in the conditional reconfiguration; evaluating one or more execution conditions for the target PCell and one or more first type execution conditions for the target PSCell on the basis that one or more first type execution conditions for the target PSCell are configured in the conditional reconfiguration; and performing a conditional PSCell mobility to the target PSCell based on the one or more execution conditions for the target PCell and the one or more first type execution conditions for the target PSCell being satisfied.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive from a network entity first control signaling identifying, of multiple cell groups configured at the UE, an inter-cell mobility configuration for a set of one or more cell groups for use at the UE. In some examples, each cell group of the multiple cell groups may include a primary cell (PCell) and zero or more secondary cells (SCells). The UE may transmit a measurement report for each cell group of the set of one or more cell groups for inter-cell mobility. The UE may receive, at least in part in response to transmitting the measurement report, second control signaling activating or deactivating a primary cell group for inter-cell mobility from one or more cell groups of the set of one or more cell groups.

A UE includes a transceiver configured to receive a message including an index “ServCellIndex” of one or more serving cells. The UE also includes a processor operably coupled to the transceiver, configured to generate, for a power headroom (PH) report (PHR), a first bitmap that indicates presence of a PH field in the PHR for a serving cell configured with ServCellIndex i. The processor is also configured to sequentially index the one or more serving cells for which a corresponding bit in the first bitmap is set to 1 and a PCell. The processor is also configured to generate, for the PHR, a second bitmap that indicates presence of a PCMAX,f,c for assumed PUSCH field in the PHR for the sequentially indexed PCell and one or more serving cells. The transceiver is also configured to transmit, to a BS, the PHR including the first bitmap and the second bitmap.

Embodiments of the present application provide a blind detection method of a physical downlink control channel (PDCCH) candidate, a user equipment, an electronic device and a storage medium. The method comprises: determining a resource position of a serving cell used for transmitting a PDCCH candidate corresponding to a primary cell (PCell), wherein the serving cell comprises the PCell and / or a secondary cell (SCell); and blindly detecting the PDCCH candidate corresponding to the PCell on the determined resource position of the serving cell. According to the scheme of the embodiments of the present application, the allocation of resources occupied by the PDCCH can be more reasonable and effective in a carrier aggregation system.

The invention discloses a method and an apparatus in a communication node used for wireless communication. The terminal receives the first RRC message; the first RRC message comprises configuration information of a first cell, an execution condition of the first cell and an execution condition of a second cell, the configuration information of the first cell comprises configuration information of the second cell, the first cell is a PCell, and the second cell is a PSCell; storing connection failure information in the first variable as a response to determining a wireless connection failure; the first variable comprises a first domain, and the first domain indicates the C-RNTI of the terminal in the PCell; a first information block of the first variable indicates whether the execution condition of the second cell is satisfied.

A wireless transmit / receive unit (WTRU) is configured with multiple conditional handover and / or measurement reporting configurations. The WTRU activates or deactivates one or more of the multiple configurations depending on various conditions, such as the change of the primary cell (PCell), a combination of currently active secondary cells (SCells) in the configured set of candidate L1 / L2 mobility cells, or depending on specific changes in the combination of currently active cells in the configured set of candidate L1 / L2 mobility cells. A conditional reconfiguration may be executed that updates the set of candidate L1 / L2 mobility cells. A list of mobility area indexes may be included in the configuration, such as including an associated set of conditions for activating a particular area or a set of configurations to activate when the index is activated.

Exemplary embodiments of the present disclosure relate to a primary cell location in carrier aggregation configuration. In an aspect, a terminal device receives carrier aggregation configuration information for non-contiguous intra-band carrier aggregation in which two non-contiguous component carriers are received by one receiver of the terminal device, where the carrier aggregation configuration information is determined based on a rule, and the rule comprises that a primary component carrier (PCC) on a downlink band is placed towards an uplink band; and performs the non-contiguous intra-band carrier aggregation based on the carrier aggregation configuration information and the rule.

The disclosure relates to a 5G or 6G communication system for supporting higher data rates. A method for supporting self-configuration and self-optimization is provided. The method performed by a terminal in a wireless communication system includes receiving, from a source base station, configuration information for a conditional reconfiguration associated with at least one of a primary cell (PCell) and a primary secondary cell (PSCell); identifying a failure for an execution associated with the conditional reconfiguration, based on the configuration information; generating failure information based on a cause of the failure, the failure information including first information on whether a condition of the execution is fulfilled and second information on a time that the condition is fulfilled; and transmitting, to a base station that a radio resource control (RRC) connection is established with the terminal, the failure information.

The present disclosure provides a mobility information reporting method and a user equipment (UE). The mobility information reporting method comprises: the UE creates an item for a primary secondary cell group cell (PSCell) or an item for a primary cell (PCell) in a mobility history information (MHI) variable VarMobilityHistoryReport; and upon determining that a secondary cell group (SCG) has been deactivated in a previous PSCell or a previous PCell, the UE includes SCG activation / deactivation related information in the corresponding item, wherein the SCG activation / deactivation related information is recorded according to different PSCells or PCells.