95 results about "PCell" patented technology

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.

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.

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.

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).

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.

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.

A communication device in a communications network can monitor physical downlink control channel, PDCCH, candidates on a primary cell, PCell, for PCell assignments. The communication device can further determine a maximum number of monitoring elements based on at least one of a higher layer configuration related to secondary cell, SCell, to PCell scheduling and a number of control resource set, coreset, pools configured for PDCCH monitoring on the SCell and / or the PCell. The communication device can further, responsive to determining the maximum number of monitoring elements, monitor the PDCCH candidates on the SCell based on the maximum number of monitoring elements.

The present application relates to a method and an apparatus for sidelink communication during a fast master cell group (MCG) link recovery procedure. One embodiment of the subject application provides a method performed by a user equipment (UE), comprising: determining a radio link failure (RLF) of Master Cell Group (MCG) if one of the following conditions is met: a timer associated with physical layer problem for PCell expires; a random access problem for MCG; and a maximum number of retransmissions has been reached in MCG Radio Link Control (RLC); and initiating a fast MCG link recovery procedure and starting a timer associated with the fast MCG link recovery procedure, wherein the UE is configured with the timer associated with the fast MCG link recovery procedure and configured to transmit sidelink communication.

Embodiments of the present disclosure relate to measurements prior to adding an SCell to a PCell in a fragmented carrier configuration. An apparatus is disclosed configured to perform measurements of at least an SCell and intra-gap interference during a measurement occasion, wherein the SCell consists of at least one component carrier that is non-contiguous with component carriers that make up the PCell, and transmit a report to a base station providing the PCell based at least in part on the measurements of at least the SCell and intra-gap interference. An apparatus is configured to transmit a configuration to at least one user equipment for performing measurements of at least an SCell and intra-gap interference during a measurement occasion, wherein the SCell consists of at least one component carrier that is non-contiguous with component carriers that make up the PCell, and receive a report from the at least one user equipment based at least in part on the measurements of at least the SCell and intra-gap interference.

The present application discloses a method and apparatus for a communication node used for wireless communication. A terminal receives a first RRC message, wherein the first RRC message comprises configuration information of a first candidate PCell, an execution condition of the first candidate PCell, configuration information of a second candidate PCell, and an execution condition of the second candidate PCell; and in response to at least the execution condition of the first candidate PCell being met and the configuration information of the first candidate PCell being applied, a first information block is set in a first variable, wherein the first information block comprises a first field and a second field, the first field indicates an identifier of the first candidate PCell, and the second field indicates an identifier of a first candidate PSCell; the configuration information of the second candidate PCell comprises configuration information of the first candidate PSCell; and the second field indicating the identifier of the first candidate PSCell depends on the configuration information of the second candidate PCell comprising the configuration information of the first candidate PSCell.

Apparatuses and methods for a precoder prediction for SCell using a PCell CSI in a wireless communication system. A method of a BS in a wireless communication system includes: receiving an uplink (UL) sounding reference signal (SRS) on a primary cell (PCell); identifying, based on the UL SRS, spatial information associated with a frequency within a center frequency gap between a UL and a downlink (DL); identifying, based on the spatial information, one or more wideband (WB) precoders for at least one user equipment (UE) camping in a secondary cell (SCell); and transmitting, to the UE, a signal based on the one or more WB precoders.

A method for cell handover, including: determining, by a terminal device, a capability of the terminal device, the capability including support or nonsupport for processing a first procedure and a second procedure in parallel, the first procedure being associated with a PCell handover, and the second procedure being associated with a PSCell addition; and performing, by the terminal device, the first procedure and the second procedure based on the capability.

The present disclosure relates to cell selection optimization during RRC reestablishment. A user equipment (UE) configured to receive a mobility configuration from a source cell of a network, wherein the mobility configuration comprises at least one mobility measurement object; determine that a radio link failure (RLF) event has occurred on the source cell; search for a primary cell (PCell) on only frequencies associated with the at least one mobility measurement object to reestablish a radio resource control (RRC) connection; and reestablish the RRC connection with the PCell.

Embodiments of the present application relate to methods and apparatuses of a mobility robustness optimization (MRO) mechanism for a primary cell (PCell) change with a primary secondary cell (PSCell) change procedure. According to an embodiment of the present application, a source master node (MN) includes a transceiver and a processor coupled to the transceiver; and the processor is configured to transmit a configuration via the transceiver to a user equipment (UE), wherein the configuration is used for storing or reporting one of: a successful handover report (SHR) and a successful PSCell change (SPC) report; and a first report including information regarding a successful completion of a PCell change with PSCell change procedure, and wherein the configuration includes at least one of: first configuration for a set of trigger conditions associated with a master cell group (MCG); or second configuration for a set of trigger conditions associated with a secondary cell group (SCG).

The application discloses an optoelectronic chip layout wiring method, device and equipment and a storage medium, relates to the technical field of optoelectronic chip layout automatic design wiring, and comprises the following steps: mapping the optoelectronic chip layout into a grid, mapping the PCell port of a parameterized unit into a point coordinate, and mapping the waveguide needing to be wired into a line segment; taking a cross-shaped grid in the grid as a basic unit, defining the center coordinate of the cross-shaped grid and the line segment passing through the center coordinate of the cross-shaped grid as variables; setting the path between the PCell ports, the restriction conditions of points and line segments on the path; using the variables to represent the length of the path, and based on the restriction conditions, calculating the corresponding variable values according to the equal-length path to be implemented, so as to determine the path planning, and finally mapping the path planning into the waveguide wiring. The application can ensure that the waveguide lengths are equal during wiring, the number of curved waveguides is equal, and the waveguide occupation area is minimum and the total length of the waveguide is shortest.

Exemplary embodiments of the present disclosure relate to a solution for measurements related to conditional handover (CHO) with candidate secondary cell groups (SCGs). In one aspect, a first network device performs measurements for each source and target primary cell (PCell) pairs, the measurements providing a plurality of intervals and an interval distribution of a plurality of inter-primary node CHOs having at least one candidate SCG, and an interval of the plurality of intervals indicates a pair of a source primary secondary cell (PSCell) identification to which a corresponding CHO having at least one candidate SCG is to be performed and a target PSCell identification, or a target PSCell identification to which a corresponding CHO having at least one candidate SCG is to be performed.

A method for selecting one or more secondary cells, SCells for supporting communication with a user equipment, UE, by carrier aggregation, CA. The one or more SCells is / are selected from a set of SCell candidates available for an access node. The method includes estimating a probability that the UE connected to a primary cell, PCell, of the access node is in coverage of an SCell in the set of candidates, predicting available resources for the SCell, calculating a CA value for the SCell based on the estimated probability, an estimated spectral efficiency and the predicted available resources, and calculating a CA value for each SCell of the set of SCell candidates, ranking the SCells of the set of SCell candidates based on their calculated CA values, and selecting one or more SCells for providing CA with the UE based on the ranking.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. In the disclosure, a method and apparatus for providing an energy saving mode of a base station are disclosed. In addition to an SCell having a simplified SSB transmission (SSB-less SCell), the base station can designate a reference cell serving as a QCL reference standard for a PDCCH DMRS for a UE and notify the designated reference cell to the UE through signaling. The reference cell can be a PCell or a second SCell among cells constituting a carrier aggregation, excluding the SCell having no SSB. The base station can designate an RS that the UE needs to refer to in the reference cell and notify the designated RS to the UE, thereby enabling the UE to determine a QCL of the corresponding cell.

Example embodiments of the present disclosure are directed to unified cell configuration for primary cell (PCell) and secondary cell (SCell). A method comprises receiving, from a second apparatus, a cell group configuration including a plurality of generic cell configurations; receiving, from the second apparatus, an indication of a cell change of the first apparatus indicating a PCell change or a SCell activation and a cell identifier associated with the cell change; and performing an operation of cell change using a generic cell configuration associated with the cell identifier in the plurality of generic cell configurations.

A method for translating flat transistor shapes into transistor pcells during a hardware design process of a semiconductor chip comprising transistors. A netlist and a first layout of the semiconductor chip can be extracted, wherein the netlist and the first layout comprise parameters defining properties of transistors of the first layout and connectivity of the transistors of the first layout. Based on the netlist and the first layout, power connections, tracing signal connections, and shared contacts of respective ones of transistors of the first layout can be detected. A permute state of respective ones of transistors of the first layout can be established. Transistor pcells can be defined based on the permute state for respective transistors of the first layout. Flat transistor shapes of the transistors within the first layout can be removed and respective ones of the transistor pcells can be placed into the first layout.

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, receiving, from the target secondary node, an acknowledgement message to confirm CPC preparation for the UE, the acknowledgement message comprising a full secondary cell group, SCG, configuration.

Embodiments of the present disclosure provide a wireless communication method and a terminal device. The method includes: determining, by a terminal device, a first offset for a Random Access Response, RAR, window; initiating, by the terminal device, the RAR window after the first offset following transmission of a preamble on a Secondary Cell, SCell; and monitoring, by the terminal device, an RAR in the RAR window on a Primary Cell, PCell, or a Primary SCell, PSCell.

A method includes receiving, by a user device (UE) from a serving node (e.g., source MN), an indication that instructs the user device not to use a secondary cell group (SCG) configuration of the last serving PSCell after execution of layer 1 / 2 triggered mobility (LTM) handover or cell switch to a target primary cell (PCell) or a target cell of master cell group (MCG) of a target master node (MN) that do not have a secondary cell group (SCG) configuration; receiving by the user device, information indicating the user device to release a SCG configuration of the last serving primary secondary cell (PSCell) after performing a LTM cell switch or handover to the target PCell of the target MN; and releasing or clearing, by the user device based on the information, the SCG configuration of the last serving PSCell at a time of LTM cell switch.

This disclosure relates to 5G or 6G communication systems for supporting higher data transmission rates. A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes: receiving a radio resource control (RRC) reconfiguration message, the RRC reconfiguration message including information indicating whether to report a power headroom report (PHR) regarding a assumed physical uplink shared channel (PUSCH); identifying that at least one PHR is triggered; and transmitting a media access control-control element (MAC CE), the MAC CE including: at least one C i Field, at least one C i The field indicates the presence of the power margin PH field of the serving cell with serving cell index i, and at least one E k Field, at least one E k The field indicates the presence of the maximum power of the assumed PUSCH field for the kth serving cell among the serving cells in which its PH field exists, where the serving cells are indexed in ascending order of serving cell index i, starting with the primary cell (PCell) and then the other serving cells.

In one aspect of the invention, a method, computer-readable medium, and apparatus are provided. The apparatus may be a UE (User Equipment). The UE receives an instruction on a primary cell (PCell) to add a primary-secondary cell group (SCG) cell (PSCell). The UE initiates a random access procedure on the PSCell. During the random access procedure, the UE receives one or more reference signals in the PSCell; and the UE measures one or more reference signals to select an antenna panel and beam to receive data in the PSCell; after completing the random access procedure, the UE receives data in the beam at the antenna panel. This invention achieves the beneficial effects of quickly connecting to and maintaining the connectivity of an MMW (Multi-Mobile Network) system, thereby improving the user experience.

The present disclosure relates to systems, methods, and devices for secondary cell activation with UE-specific reference signals. The techniques described herein may better ensure efficient fine time tracking during a second cell (SCell) activation procedure by using a user equipment (UE)-specific tracking reference signal (TRS). A primary cell (PCell) may provide the UE with a TRS configuration including a UE-specific reference signal (RS) with periodicity or aperiodicity. In response to receiving an SCell activation command from the PCell, the UE may perform cell activation with fine time tracking according to the UE-specific RS. Since the delay time of the UE-specific RS may be less than the delay time of a system synchronization block (SSB) from the SCell, the use of the UE-specific RS may expedite the cell activation procedure.