41 results about "Cell identity" patented technology

A wireless terminal of a cellular telecommunication system communicates with a first cell served by a mobile base station relay. The wireless terminal comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive, from the first cell, a reconfiguration message comprising second cell information including a cell identity and an operating frequency of a second cell and an indication indicating whether or not the first cell will be replaced by the second cell. The processor circuitry is configured to: (1) perform, based on the reconfiguration message, a handover procedure to handover to the second cell, and (2) perform a cell selection procedure in a case that the handover procedure fails. During the cell selection procedure, the first cell is not considered as a candidate in a case that the indication indicates that the first cell will be replaced by the second cell.

This application relates to a communication method and apparatus. A terminal device may receive first information from a first cell, to obtain non-terrestrial network (NTN) assistance information of a first satellite and NTN assistance information of a second satellite. When the first information is received, the first satellite corresponds to the first cell, and a cell identity corresponding to the second satellite is the same as a cell identity of the first cell. Further, when the terminal device re-synchronizes with the first cell or before the terminal device re-synchronizes with the first cell, the terminal device restarts a timer. Start time of the timer is start time of the NTN assistance information of the second satellite, and duration of the timer is validity duration of the NTN assistance information of the second satellite.

A PCI Optimization Module comprising: 1) a PCI Conflict Optimization Detection Module to detect the PCI conflicts and configured to apply the policy at a Non-RT-RIC and 2) a PCI Conflict Optimization Resolution Module ata Near-RT-RIC configured to execute an analyzing and determining method. The method comprises: detecting a PCI Conflict at a non-real-time (Non-RT) RIC; providing, by the Non-RT RIC, parameters and policies to a Near-RT RIC with an identity of cells involved in the PCI Conflict along with a new PCI to be applied to one of the identifed cells; at the Near-RT RIC: analyzing cell-level information and KPIs received from an E2 node and determining a candidate cell of the idenified cells whose PCI value should be changed; and determining an optimal value of a shutdown timer when the candidate cell can be shut down and the new PCI can be applied during a boot-up procedure.

Disclosed is a system (200) and a method (400) for visualizing top candidate serving cells for a wireless device in a communication network (100). The method (400) involves selecting a specific wireless device from a multiple wireless devices using device ID of the specific wireless device present in crowdsource data associated with the wireless devices. Further, based on cell identification information in the crowdsource data, a set of serving cells for serving the wireless device is identified. Furthermore, session information of each cell in the set of serving cells is extracted and analyzed to calculate a dominancy percentage for each identified cell. Thereafter, a ranked list of top candidate serving cells along with their dominancy percentage is displayed on a display interface.

Detection equipment (46) detects a false cell (18) in a wireless communication network (10). The detection equipment (46) obtains a test dataset (40) that comprises one or more test datapoints (42), with each test datapoint indicating a combination (44) of values detected for a cell characteristic. The detection equipment (46) tests for the presence of a false cell (18) that is using the same cell identity as a genuine cell, based on an extent to which the test dataset (40) differs from a training dataset (26) according to a model (30) trained using the training dataset (26).

A wireless terminal of a cellular telecommunication system communicates with a first cell served by a mobile base station relay. The wireless terminal comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive, from the first cell, cell identity change information comprising: (1) second cell information including a cell identity of a second cell, and; (2) an activation time after which the second cell can be measured. The processor circuitry is configured to perform, based on the cell identity change information, a cell reselection procedure to reselect the second cell upon or after the activation time.

Disclosed are an information transmission method, apparatus and device, belonging to the technical field of communications, the information transmission method of the embodiment of the present application comprising: a source device sending first information to a first candidate device corresponding to a PDCP anchor, the first information comprising at least one of the following items: downlink address information of a terminal in a first distribution unit (DU) associated with the PDCP anchor; the PDCP anchor is associated with related information of a second candidate device, and the related information comprises at least one of the following items: a cell identifier of a candidate cell of the second candidate device; the Xn identification information of the second candidate device; identification information of the first DU; a PLMN of a candidate cell of the second candidate device; wherein the first DU corresponds to the second candidate device, and the second candidate device is different from the first candidate device.

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 using an integrated access and backhaul entity or functionality within or as part of a mobile communication network wherein the mobile communication network comprises a radio access network in addition to the integrated access and backhaul entity or functionality, the radio access network comprises a plurality of radio access network nodes and / or base station entities implementing a plurality of radio cells in the radio access network, wherein each of the radio cells uses physical cell identity information in a manner such that adjacent or contiguous radio cells in the radio access network use different physical cell identity information, wherein the integrated access and backhaul entity or functionality also uses at least one piece of specific physical cell identity information wherein the at least one piece of specific physical cell identity information is assigned or allocated to the integrated access and backhaul entity or functionality, the integrated access and backhaul entity or functionality is configured such that radio cells in the radio access network located in the vicinity of the integrated access and backhaul entity or functionality use different physical cell identity information, the method comprises the step of allocating or assigning the at least one piece of specific physical cell identity information to the integrated access and backhaul entity or functionality during a dynamic process of physical cell identity allocation.

The invention discloses a method and a device for configuring a neighbor cell for a cell, which are used for improving the effectiveness of configuring the neighbor cell for the cell. The scheme provided by the invention comprises the following steps: obtaining signaling plane receipt information of a communication user of a to-be-configured cell, the signaling plane receipt information comprising signaling process data of switching of the communication user from a resident cell to an adjacent cell, and the signaling process data comprising a signaling process state and cell attribute information; the cell attribute information comprises a cell identifier and indoor and outdoor types; screening abnormal signaling process data from the signaling plane receipt information, wherein the signaling process state of the abnormal signaling process data represents switching failure, and the cell attribute information represents that the communication user executes switching between the indoor cell and the outdoor cell; generating a neighbor missing cell pair based on an indoor cell identifier and an outdoor cell identifier in the abnormal signaling process data; and according to the matching relationship of the cell identifiers in the adjacent cell missing cell pair, configuring the adjacent cell to the cell to be configured.

Aspects of the subject disclosure may include, for example, a method including receiving first neighbor cell information from a first user equipment (UE) operating in a first terrestrial service cell, where the first neighbor cell information includes a first physical cell identification (PCI) of a first neighbor cell and a cell type indicator detected by the first user equipment. The method further includes generating a database that cross-references the first PCI, the cell type indicator and a location of the first UE and analyzing a correlation among the first PCI, the cell type indicator and the location of the first UE to identify anomalies indicative of a non-terrestrial neighbor cell. No handover or neighbor list updates may take place for the non-terrestrial neighbor cell. Other embodiments are disclosed.

The present disclosure provides a system (208) and method for reducing paging failures and reducing paging load in a cellular network. The system (208) may establish a connection with the user equipment (204) to facilitate context setting. After context setting, the system (208) may receive a tracking area identification (TAI), a cell identifier, and cell and radio resource control (RRC) state information from the user equipment (204). The system (208) may determine a transition in the location of the user equipment (204) based on the TAI, the cell identifier, and the cell and RRC state information, and update location information for the user equipment (204) in a database associated with the system (208). Further, the system (208) may page the user equipment (204) based on the location information of the user equipment (204) to reduce paging failures and reduce paging load in the cellular network (206).

The embodiments of the present application relate to the field of communications. Provided are a communication method and apparatus, which are used for reducing conflicts concurring in CSI-RS measurement resources of different network devices, thereby improving the accuracy of CSI-RS measurement results. In the method, a first network device can determine resources for a reference signal of a first cell on the basis of a first cell identity for uniquely identifying the first cell of the first network device, and send the reference signal to a terminal device within the first cell on the basis of the resources for the reference signal of the first cell. The first cell is one of a plurality of cells, resources for the reference signal of each of the plurality of cells can all be determined on the basis of a cell identity of each cell, and the corresponding cell identity of each of the plurality of cells is unique, such that the resources for the corresponding reference signal of each of the plurality of cells can be different, thereby reducing conflicts concurring in reference signal measurement resources of different network devices and different cells of the same network device.

Embodiments of this application relate to the field of communication technologies, and provide a cell identity configuration method and a communication apparatus. The method includes: A donor node obtains a cell identity of a neighboring cell of a current first cell, where the first cell is a serving cell of a first integrated access backhaul IAB node. If determining that a cell identity of the first cell is the same as the cell identity of the neighboring cell, the donor node activates a second cell, and hands over a mobile terminal from the first cell to the second cell, where a cell identity of the second cell is different from the cell identity of the neighboring cell, and the second cell is a cell other than the first cell of the first IAB node. Through cell identity configuration in this manner, a cell identity conflict between an IAB cell and a neighboring cell present when the IAB cell moves can be avoided, and service stability of the IAB node and the mobile terminal can be ensured, ensuring service experience of the mobile terminal. In addition, in this manner, a cell identity of a current serving cell does not need to be reconfigured, avoiding an interrupted connection when the mobile terminal re-accesses a network.

The present disclosure relates to a mobility management in wireless communications. According to an embodiment of the present disclosure, a method performed by a user equipment (UE) in a wireless communication system comprises: receiving, from a network node, a radio resource control (RRC) message comprising access configurations for one or more target cells; receiving, from the network node, an indication, wherein the indication comprises access information; and performing an access to a target cell based on an access configuration for the target cell in the RRC message and the access information in the indication, wherein the access information comprises at least one of a random access preamble for the access or a target cell information for the access, and wherein the target cell information i) informs a cell identifier (ID) of a target cell not included in the one or more target cells configured for the UE, or ii) does not inform any cell ID.

This disclosure relates to various aspects of a network node for changing its Physical Cell Identifier (PCI). The network node transmits a first signal based on a first PCI during a first Synchronization Block (SSB) opportunity, transmits a second signal based on the first PCI during a second SSB opportunity, and transitions from the first PCI to the second PCI. During the transition period, the network node transmits the first signal based on the second PCI during the first SSB opportunity and continues to transmit the second signal based on the first PCI during the second SSB opportunity. After the transition period ends, the network node continues to transmit the first signal based on the second PCI during the first SSB opportunity and ceases to transmit the second signal based on the first PCI during the second SSB opportunity. Other aspects and features are also claimed and described.

In an aspect, a base station may receive, from a user equipment (UE), one or more timing difference measurements corresponding to propagation delays between the UE and one or more transmission-reception points (TRPs). The base station may transmit, to a location server, an enhanced cell identity (E-CID) report including a timing difference measurement corresponding to a propagation delay between the UE and the base station, and the one or more timing difference measurements corresponding to the propagation delays between the UE and the one or more TRPs.

A method for maintaining a cell in vitro that comprises the steps of: providing a cell of interest in cell culture, determining differential breadth of histone 3 trimethylated at lysine 4 (H3K4me3) modified regions and a differential broadness score for each protein-coding gene in said cell, determining a network score for each protein-coding gene in said cell based on the differential broadness score and interactions between the protein products of each protein-coding gene over at least one network, and determining a cell identity score for each protein-coding gene in said cell based on a combination of the differential broadness score and network scores. The cell identity scores are used to prioritise protein-coding genes thereby identifying cell identity genes for said cell, which encode factors associated with cell identity. The cell of interest is cultured in the presence of said factors, thereby maintaining the cell identity of the cell of interest.

A lentivlral vector for real-time monitoring of cell state which includes a regulatory element that regulates expression of a selection marker, wherein the regulatory element comprises cell-state-specific histone H3K27-acetylation marks and / or chromatin accessibility. Methods of identifying a cell- state-specific regulatory element in a cell; optically screening a compound for the ability to modify cell identity; in vivo labeling normal and / or diseased cells at a specific developmental stage or a specific stage of disease; and real- time monitoring of transcription of a cell exposed to a stress using the lentiviral vector.

A method for performed by a user equipment. The method includes receiving (s1102) a message comprising network slice information, NSI, indicating a network slice and first location restriction information for the indicated network slice. The first location restriction information comprises a list of cell identifiers, IDs, and the list of cell IDs includes at least a first cell ID.

Aspects of the present disclosure include methods, apparatuses, and computer readable media for receiving a layer 1 signaling or a layer 2 signaling indicating a subset of a plurality of physical cell identifications (PCIs) associated with a plurality of serving cells in the network, establishing a plurality of communication channels with one or more of transmission-reception points (TRPs), wherein each TRP of the one or more TRPs comprises a corresponding PCI of the plurality of PCIs, and determining one or more PCIs of the plurality of PCIs used as one or more default input cell identifications (IDs) associated with a plurality of physical processings, when no explicit configured input ID is signaled to the UE associated with the plurality of physical processings.

Systems and methods for signaling of Layer 1 (L1) / Layer 2 (L2) triggered mobility and timing management for wireless communications are described herein. In some embodiments, a user equipment (UE) receives a cell switching command as a combination of a downlink control information (DCI) and a medium access control control element (MAC-CE) that corresponds to that DCI. In some embodiments, a same set of transmission configuration indicator (TCI) state IDs is used with respect to all candidate cells of a sub-candidate cell group (CCG) of a configured CCG. In some embodiments, MAC-CEs are used to inform the UE of timing advance (TA) information using timing advance group (TAG)-specific physical cell identity (PCI) indexes for candidate cells of the TAG that correspond to full PCIs for those candidate cells.

A method and device for transmitting radio link failure data, and a storage medium, relating to the technical field of communications, applied to a terminal device, comprising: after an RLF occurs, sending first request information to a first cell, the first request information requesting for RRC reestablishment, the first request information comprising first indication information, the first indication information indicates whether the identifier of the first cell exists in a cell identifier set; first response information is received, under the condition that the identifier of the first cell does not exist in the identifiers of at least one group of cells, the first response information comprises a first configuration parameter, and the first configuration parameter indicates the duration of the first timer; under the condition that the first response information comprises the first configuration parameter, starting a first timer; and before timeout of the first timer, if RRC reestablishment with the first cell is completed, reporting of the RLF data to the first cell is prohibited. By using the scheme, the secure transmission of the RLF data can be realized, and the potential safety hazard of data leakage is reduced.

The present disclosure relates to a communication method, a communication device, a storage medium and a program product. The communication method comprises: receiving first information sent by a network device, wherein the first information comprises at least one of information regarding a first reference signal resource set, a first cell identifier and a second cell identifier, the first cell identifier corresponds to the first reference signal resource set, and the second cell identifier corresponds to a second reference signal resource set; and on the basis of the first information, determining information regarding the second reference signal resource set, wherein the first reference signal resource set comprises a first reference signal resource for measurement, and a first value of the first reference signal resource is used for obtaining a second value of a second reference signal resource comprised in the second reference signal resource set. By means of the embodiments of the present disclosure, the communication efficiency can be improved.

Apparatuses and methods for beam reporting operations. A method for operating a user equipment (UE) includes receiving an indication for reporting, in a channel state information (CSI) reporting instance, one or more resource indicators and corresponding beam metrics associated with a first physical cell identity (PCI) or a second PCI and receiving a set of reference signals (RSs) for determining the one or more resource indicators and corresponding beam metrics. The method further includes measure one or more RSs in the set of RSs; determining, based on the measured one or more RSs in the set of RSs, the one or more resource indicators and corresponding beam metrics; and transmitting, in the CSI reporting instance, the one or more resource indicators and corresponding beam metrics associated with the first or second PCIs. The second PCI is different from a serving cell PCI.

The invention discloses a high-speed rail user identification method, device and equipment and a computer storage medium. The method comprises the following steps: acquiring communication data of user equipment, a cell identifier of a cell through which a high-speed rail line passes, and a high-speed rail train timetable; and determining a target high-speed rail line to which the user equipment belongs and a target ratio of the user equipment in the target high-speed rail line based on the cell identifier in the communication data, thereby performing first identification on the user of the user equipment. And under the condition that the target ratio is greater than a preset ratio, determining a target cell identifier of a cell in which the user equipment is currently located and a cell identifier of a next cell in the target high-speed rail line. Under the condition that the difference value between the first time when the user equipment passes through the high-speed rail platform of the next community and the second time when the high-speed rail in the high-speed rail train timetable is located at the high-speed rail platform of the next community is smaller than a preset difference value threshold value, determining that the user of the user equipment is a high-speed rail user, namely, performing secondary identification on the user; therefore, the accuracy of high-speed rail user identification is improved.

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A method performed by a User Equipment (UE) (302) for network optimization is disclosed. The method includes performing (804) Layer 1 (L1) measurements associated with one or more of a source cell, a target cell, and one or more Layer1 / Layer2 Triggered Mobility (LTM) candidate cells. Further, the method includes detecting (806) at least one of a mobility event or a failure event. Furthermore, the method includes transmitting (808), to a network entity (304), a report based on the detection. The report comprises one or more of the L1 measurements, and a Physical Cell Identity (PCI) and a channel frequency number corresponding to the L1 measurements.

Various aspects of the present disclosure generally relate to wireless communication. Some aspects more specifically relate to reducing a total quantity of all possible physical cell identities (PCIs) to a total quantity of a subset of the possible PCIs. The subset of possible PCIs may be referred to as valid PCIs. For example, the cell search procedure may be constrained to fewer than 1008 valid PCIs. In some examples, a user equipment may identify the valid PCIs in accordance with a wireless communications standard or signaling from the cell.

The invention discloses a cell identification and paging method and device suitable for a non-ground network, and belongs to the technical field of communication. The method comprises the following steps: acquiring ephemeris data and beam parameters of a satellite, and determining a real-time coverage area of the satellite to the ground; matching the real-time coverage area of the satellite with the coverage area of the physical cell to determine a coverage overlapping relationship between the real-time coverage area of the satellite and the coverage area of the physical cell; generating or updating a corresponding logical cell global identifier (LCGI) based on the coverage overlapping relationship and storing the LCGI in an identifier list; the LCGI comprises a geographical attribute field for identifying the geographical attribution of the physical cell and a satellite logic identification field for identifying the satellite identity information of the service physical cell; and in response to a paging request for a target terminal, querying the LCGI currently corresponding to the target physical cell from the identifier list according to the information of the target physical cell associated with the target terminal, thereby determining a target satellite currently serving the target physical cell and sending a paging message to the target satellite.

A UE experiences a radio link failure with a source cell of a source radio access technology (RAT). In response to the radio link failure, the UE selects a target cell of a target RAT. The target RAT is different from the source RAT. The UE verifies that the target cell is in a same registration area as the source cell. In response to verifying that the target cell is in the same registration area, the UE generates a security token using a security context of the source cell. The UE transmits, to the target cell, a reestablishment request message. The reestablishment request message comprises one or more of the security token, a physical cell identity (PCI) of the source cell, and a Cell-Radio Network Temporary Identifier (C-RNTI) of the UE in the source cell.