406 results about "PCell" patented technology

A base station can receive, while a primary cell (PCell) and a secondary cell (SCell) are in a second power state, an uplink wake-up signal from a wireless device. In response to receiving the uplink wake-up signal, the base station can transition the PCell to a first power state and maintain the SCell in the second power state.

Embodiments include methods by a user equipment (UE) configured for dual connectivity with a master node providing a master cell group that includes a primary serving cell (PCell) and with a secondary node providing a secondary cell group that includes a primary secondary cell (PSCell). Such methods include detecting a radio link problem associated with a first serving cell, wherein first serving cell is the PCell or the PSCell. Such methods include, in response to detecting the radio link problem, for each of the UE's split radio bearers that has a primary path set to a first cell group that includes the first serving cell, performing a recovery procedure such that all uplink data transmission for the split radio bearer occurs only via a secondary path that does not include the first serving cell. Embodiments also include complementary methods performed by network nodes, as well as UEs and network nodes.

Methods, systems, and devices for wireless communications are described for a user equipment (UE) to report information associated with neighbor cells when one or more of the neighbor cells are operating in an energy saving mode. A serving cell of a network entity, such as a primary cell (PCell) may request a neighbor cell report from a served UE and, if a neighboring cell is in a NES mode, the served UE may provide an indication that the neighbor cell is in the NES mode. The UE 115 in some cases may transmit a demand for an on-demand signal from the neighbor cell, and monitor for the subsequent signal. The UE may transmit the neighbor cell report to the serving cell based on information provided from one or more of the transmissions of the neighbor cell.

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.

Described herein is a UE, configured to support connecting via a PCell towards a first network node supporting a first RAT, and connecting via a first MRSS SCell to a second network node supporting the first RAT, and via a second MRSS SCell to a third network node supporting a second RAT, wherein the UE receives from the PCell configuration information for layer 1, L1, measurements considering a dormant and a non-dormant state of the first MRSS Scell and in case of determining the dormant state of the first MRSS SCell, perform L1 measurements of signals of the second MRSS SCell, generate an adapted L1 measurement report for the first RAT based on the performed L1 measurements of the second RAT by mapping and / or encoding information into a format supported by the first RAT and transmit the adapted L1 measurement report towards the first network node via the PCell.

The invention provides a PCELL layout design optimization method and device, a medium and equipment, and is applied to the technical field of chip design. Flexible layout drawing is carried out by acquiring the PCELL containing the process parameters and the graph adjustable parameters, so that the layout structure parameters of the current PCELL are obtained. A three-dimensional device simulation model is constructed by using the parameters, and a simulation compact model is created by using an artificial neural network algorithm to describe the electrical behavior of the device. And verifying the electrical performance trend of the three-dimensional device simulation model by using the PCELL and the simulation compact model. And when the verification is passed, further verifying whether the module test circuit meets a preset PPA index. And if yes, fixing the structural parameters of the current PCELL layout. According to the method, process and design requirements are integrated through a construction and parameterization method, and simulation and verification of closed-loop feedback are utilized, so that the design precision and the process maturity are improved, the development period is shortened, and the reliability and efficiency of the process are enhanced.

A method at a communication device to derive security parameters for a current secondary cell group, SCG, or a primary secondary cell, PSCell, during an L1 / L2 triggered mobility, LTM, cell switch procedure for a master cell group, MCG, or primary cell, PCell, includes receiving an LTM cell switch command from a network node indicating an LTM candidate cell configuration for the MCG and information to derive security parameters for operating on the SCG after the LTM cell switch procedure, deriving the security parameters based on the information received, and using the security parameters for operating on the SCG after the LTM cell switch procedure Related communication devices, network node methods and network nodes are disclosed.

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.

Various embodiments of the present disclosure relate to a method for transmitting and receiving data in a wireless communication system. A method by which a terminal transmits a power headroom report (PHR) in a wireless communication system, according to one embodiment of the present disclosure, can comprise the steps of: receiving signaling information including at least one indicator indicating PHR reporting for at least one cell among cells for a dual connectivity operation; and transmitting at least one PHR for the at least one cell corresponding to the at least one indicator. The at least one cell can be a primary cell (Pcell) serving the terminal and / or a primary secondary cell (PScell) serving the terminal.

A method and apparatus for conditional mobility configuration in a wireless communication system is provided. The method performed by a wireless device comprises: receiving information related to conditional mobility for one or more candidate PCells and one or more candidate PSCells; based on that a pair of a candidate PCell and a candidate PSCell related to the candidate PCell satisfying each execution condition for the conditional mobility exists: - performing the conditional mobility for the candidate PCell and the candidate PSCell; and based on that a pair of a candidate PCell and a candidate PSCell related to the candidate PCell satisfying each execution condition for the conditional mobility does not exist: - performing the conditional mobility for a candidate PCell or a candidate PSCell which fulfills an execution condition.

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.

The present disclosure provides procedures for early synchronization based on Idle mode measurements to enable fast connection establishment and resumption on transition to a Connected mode. When transitioning (120) to a Connected state, the UE selects one or more cells / frequencies for which in addition to the target cell configured / activated by the network to initiate early synchronization (140) prior to transition to the Connected state. When the UE receives (150) a message from the network requiring the UE to synchronize with a target cell in a target frequency, the UE determines (160) if the message from the network indicates that the UE shall configure or add a target cell, that is not the PCell, for which the UE has synchronized and, if so, uses the synchronization information to initiate (170) a random access procedure towards the target cell configured / activated by the network.

The invention belongs to the technical field of communication, and discloses a communication method and device, equipment and a storage medium. The method comprises: receiving activation request information, the activation request information being sent by a second cell, the second cell being a network device; and sending one or more synchronization signal blocks. According to the invention, the network equipment is controlled by activating the request information to control the transmission of the synchronization signal block, such as on-demand SSB, and the network equipment is ensured to transmit the on-demand SSB only when a demand (the demand may be indicated by a PCell or UE), so that the signal synchronization function is ensured, and the energy consumption is saved at the same time.

A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including a first initial downlink (DL) BWP configuration and a second initial DL BWP configuration for a PCell; determining for which one or more of multiple common search space (CSS) sets the UE monitors PDCCH; determining, between a first DL BWP provided by the first initial DL BWP configuration and a second DL BWP provided by the second initial DL BWP configuration, which of the first DL BWP and the second DL BWP is an initial DL BWP based on for which the one or more of the multiple CSS sets the UE monitors PDCCH, wherein at least one of the multiple CSS sets corresponds to a CSS set for receiving SIB1 message, and at least another one of the multiple CSS sets corresponds to a CSS set for random access procedure.

A method for receiving system information (SI) by a terminal in a wireless communication system supporting carrier aggregation (CA), according to one embodiment of the present specification, comprises: transmitting an RRC connection request message to a base station; receiving an RRC connection setup message from the base station; transmitting an RRC connection setup complete message to the base station; receiving an RRC reconfiguration message related to configuration of a secondary cell (SCell) from a primary cell (pCell) of the base station; and receiving a synchronization signal (SS) from the SCell based on the RRC reconfiguration message.

Embodiments herein relate to, for example, a method performed by a UE for handling communication in a wireless communication network. The UE selects for a Pcell, and / or a Scell, a search space slot within a slot group wherein the slot group is arranged in an X-slot group pattern, wherein the slot group is of a size of X-slots, and the X-slot group pattern is fixed relative to a reference time location and common for UEs operating PDCCH monitoring X slots. The UE further monitors the selected search space slot or slots for a control channel of the Pcell, and / or the Scell.

A handover method, includes: performing a handover by a UE, a handover delay of the UE including one or more of: a sum of a primary cell (PCell) handover delay and a primary secondary cell (PSCell) addition delay; a maximum value of a PCell handover delay and a PSCell addition delay; a PCell handover delay and / or a PSCell addition delay; a sum of a PCell search time and a PSCell search time; or a sum of a PCell search time, a PCell synchronization time, a PSCell search time, and a PSCell synchronization time.

The invention provides a development method of a heterogeneous integrated PCB (Printed Circuit Board) device library based on a silicon-based CMOS (Complementary Metal Oxide Semiconductor) under Cadence Virtuoso. The development method comprises the following steps: S1, compiling a tecfile.tf file, a display.drf file and a CMOS. Layermap file based on CMOS process information; s2, creating a heterogeneous integration library; s3, in the heterogeneous integrated library, creating a view symbol corresponding to the device according to the type of the device, and setting a CDF parameter attribute of the corresponding device according to a parameter file of the device; s4, creating a callback.il file of a callback function of the device, and carrying out abnormal value detection; s5, creating a layout Pcell of the device; 6, developing a design rule check file based on an interconnection process between the CMOS device and the PCB device by using a skill language; by means of the method, the application range of the PDK is widened, and heterogeneous integration of the silicon-based CMOS technology and the PCB library is completed; and a method for checking the design rule of the interconnection process between the CMOS device and the PCB device is provided, so that the PDK can be used for drawing and developing a board-level circuit, and the limitation of development under different platforms is broken through.

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 for controlling a conditional handover and network devices. A fourth network device receives a fourth message sent by a first network device. The fourth message is configured for conditional handover control; the first network device is at least one of a primary cell (PCell), a master node (MN), or a secondary node (SN) currently connected to a terminal device; and the fourth network device is at least one of a PCell, an MN, or an SN connected to the terminal device after conditional handover of the terminal device.

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.

In a method and device for a wireless communication system according to one embodiment of the present invention, downlink control information (DCI) for downlink data transmission on a primary cell (PCell) is received, a downlink assignment index (DAI) value included in the DCI is 1, the downlink data is received on the basis of the DCI, and hybrid automatic repeat request (HARQ) information about the downlink data is transmitted. In addition, on the basis of a channel state information (CSI) and / or scheduling request (SR) transmission set in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (ii) the CSI and / or the SR are transmitted together in the subframe, and on the basis of multi radio-dual connectivity (MR-DC) being set in a terminal, (i) the HARQ information and (ii) the CSI and / or the SR are transmitted on a resource related to PUCCH format 3.

A base station, a wireless device and methods therein for supporting radio communication, wherein the base station employs carrier aggregation with multiple carriers serving a primary cell, PCell, and at least one secondary cell, SCell. The base station signals (3:3) an SCell status to the wireless device, the SCell status indicating whether the at least one SCell will be in active state where the base station transmits downlink signals on a carrier serving the at least one SCell, or in inactive state where the base station does not transmit downlink signals on the carrier serving the at least one SCell. Thereby, the wireless device can adapt its behaviour depending on the signalled SCell status, e.g. by turning off its receiver and not perform any signal measurements when the SCell is in inactive state.

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).

Methods and apparatuses for mobility management are provided. The method includes receiving, from a network, a first conditional configuration for a candidate target Primary Cell (PCell). The first conditional configuration indicates an execution condition. The method determines whether the execution condition is satisfied and in response to determining that the execution condition is satisfied, applies the first conditional configuration to switch to the candidate target PCell. The method then, after switching to the candidate target PCell, determines whether to release a second conditional configuration, which has been stored at the UE prior to switching to the candidate target PCell, based on whether the second conditional configuration is associated with the first conditional configuration.

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.