246 results about "Cell ID" patented technology

Systems, methods, and instrumentalities are described herein for supporting low power high accuracy positioning (LPHAP). A wireless transmit / receive unit (WTRU) may receive configuration information (e.g., in a radio resource control (RRC) reconfiguration message) from a first cell. The configuration information may indicate a first sounding reference for positioning (SRSp) configuration and a second SRSp configuration. The first SRSp configuration may be associated with a first positioning area and the second SRSp configuration may be associated with a second positioning area. The first positioning area may include a first cell ID set and the second positioning area may include a second cell ID set. The first SRSp configuration may be activated and the second SRSp configuration may be deactivated.

A method, e.g. performed by a user equipment (UE) connected to a first cell of a first distributed unit (DU) of a first base station is disclosed. The method comprises receiving configuration information for measuring at least part of a synchronization signal block (SSB) and / or a Channel State Information-Reference Signal (CSI-RS) associated with a physical cell ID (PCI) of a second cell and for observing information related to a mobility group indicator (MGI); measuring the at least part of SSB and / or CSI-RS that is associated with the PCI; and observing the information related to the MGI, wherein a combination of the measured at least part of SSB and / or CSI-RS and the information related to the MGI enables to determine at least one of: whether the second cell is an intra-DU cell, an inter-DU cell or an inter-base station cell with respect to the first cell. Corresponding methods performed by units of the first base station are disclosed. Further, a corresponding system and corresponding apparatuses, computer programs, and computer readable media are disclosed.

Methods and apparatuses for an operation for an on-demand synchronization signals / physical broadcast channel (SS / PBCH) block is provided. A method of a user equipment (UE) in a wireless communication system includes determining a first set of parameters for a first set of SS / PBCH blocks and determining a second set of parameters for a second set of SS / PBCH blocks. The first set of parameters includes a first cell identity (ID) and a first frequency location. The second set of parameters includes a second cell ID and a second frequency location. The first set of SS / PBCH blocks is periodic. The second set of SS / PBCH blocks is on-demand and indicated to be transmitted by a base station (BS). The method further includes receiving a first SS / PBCH block from the first set of SS / PBCH blocks and receiving a second SS / PBCH block from the second set of SS / PBCH blocks.

The present disclosure describes techniques for timing advance management during layer (L1 / L2) Triggered Mobility (LTM). In one aspect, a method comprises obtaining timing advances (TAs) for one or more LTM candidate cells based on indication from a serving gNB-DU and storing the obtained TAs and receiving LTM serving cell switch command to switch from a current serving cell to a target cell. The method further comprises transmitting, a list of candidate cell IDs and the stored TAs corresponding to the list of candidate cell IDs, to the target gNB-DU serving the target cell, in response to the successful completion of the LTM cell switch.

Disclosed, according to various embodiments, are a method by which a terminal performs cross link interference (CLI) measurement in a wireless communication system and an apparatus therefor. Disclosed are a method and an apparatus therefor, the method comprising the steps of: receiving information about a CLI measurement resource for CLI measurement; and transmitting, to a base station, measurement information including CLI measured on the basis of the CLI measurement resource, wherein, on the basis that timing advance (TA) information of a candidate cell is received, the measurement information further includes information about a cell ID determined on the basis of the TA information and a measurement timing when the CLI is measured.

Disclosed is a method performed a network entity in a wireless communication system using an open-radio access network (O-RAN), the network entity including at least one of a non-real-time RAN intelligent controller (non-RT RIC) and near-RT RIC, the method comprises configuring at least one node with a list of cell IDs representing cells to be activated or deactivated based on a condition in a network, and transmitting, to the at least one node, information including the list of cell IDs.

The invention discloses a communication method and related equipment. According to the method, on one hand, terminal equipment can store related information such as a redirected LTE frequency point for falling back indicated by a network side, a frequency point corresponding to an NR cell residing before falling back, a frequency point of an LTE cell residing after falling back, a cell ID and the like after falling back successfully; the terminal equipment can measure the LTE frequency point corresponding to the LTE neighbor cell of the current resident NR cell and store the related information of the LTE frequency point before falling back. In the embodiment of the invention, the terminal equipment can search whether a proper LTE cell exists or not based on the stored related information of the previous fallback success process and / or the measured LTE frequency point, if the terminal equipment finds the proper LTE cell, the terminal equipment accesses the LTE cell, otherwise, the terminal equipment tries to search other LTE frequency points based on other modes. According to the method, the terminal equipment can more easily and quickly find the LTE cell with good signals and access the LTE cell.

Systems, procedures, and instrumentalities are disclosed for synchronizing a signal burst, signal design, and / or system frame acquisition. A synchronization signal (SS) block or burst may be received. The SS block or burst may include a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and / or a Physical Broadcast Channel (PBCH). A first cell ID may be determined and / or a plurality of SSS sequences may be generated. An m0 value (e.g., a first cyclic shift) may be determined from a set of m0 values, for example, based on the generated plurality of SSS sequences. An n1 value (e.g., a second cyclic shift) may be determined from a set of n1 values. A second cell ID may be determined, for example, based on the m0 value and the n1 value. A third cell ID may be determined, for example, based on the second cell ID and the first cell ID.

The present disclosure relates to determining whether one or more channel measurement resources (CMRs) and one or more interference measurement resources (IMRs) correspond to a single serving cell or a plurality of different serving cells; determining whether the one or more CMRs and the one or more IMRs correspond to a single physical cell identification (PCI) or a plurality of different PCIs; configuring the one or more IMRs with at least one of an additional PCI or an additional cell identification (ID); and transmitting the one or more CMRs and the one or more IMRs with the at least one of the additional PCI or the additional cell ID to a user equipment (UE) for measurements.

The present disclosure describes techniques for timing advance management during layer (L1 / L2) Triggered Mobility (LTM). In one aspect, a method comprises obtaining timing advances (TAs) for one or more LTM candidate cells based on indication from a serving gNB-DU and storing the obtained TAs and receiving LTM serving cell switch command to switch from a current serving cell to a target cell. The method further comprises transmitting, a list of candidate cell IDs and the stored TAs corresponding to the list of candidate cell IDs, to the target gNB-DU serving the target cell, in response to the successful completion of the LTM cell switch.

Methods and apparatus for automatically identifying overshooting cells and automatically changing PCIs in cases of actual or possible PCI confusion are described. A cell with a poor KPI, e.g., indicative of failed attachment attempts, is identified. PCI confusion is considered as a possible cause of the poor KPI. A cell which uses the same PCI as the cell with the poor KPI is identified and the coverage areas of the cell with the poor KPI and the other cell using the same PCI is determined. Operating UEs in trace mode combined with deactivation of a cell while the other cell using the same PCI remains active is sometimes used to map cell coverage areas. If the coverage areas of two cells using the same PCI are determined to overlap, a different PCI is assigned to one of the two cells using the same PCI to thereby eliminate possible PCI confusion.

Systems, methods, and instrumentalities are disclosed for synchronization signal burst, signal design, and / or system frame acquisition. A synchronization signal (SS) block or burst can be received. The SS block or burst can include a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and / or a physical broadcast channel (PBCH). A first cell ID can be determined, and / or a plurality of SSS sequences can be generated. An m0 value (e.g., a first cyclic shift) can be determined from a set of m0 values, for example, based on the generated plurality of SSS sequences. An n1 value (e.g., a second cyclic shift) can be determined from a set of n1 values. A second cell ID can be determined based on, for example, the m0 value and the n1 value. A third cell ID can be determined based on, for example, the second cell ID and the first cell ID.

A terminal apparatus includes: a receiver configured to receive control information from a first satellite which forms a first cell; and processor circuitry configured to: perform, when the control information includes time information related to switching time from the first satellite to a second satellite which forms a second cell and information indicating that the first cell and the second cell have same physical cell IDs, resynchronization processing of downlink of the second cell according to the time information, control, after performing the resynchronization processing, to start a timer for a valid time of uplink of the second cell.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a primary synchronization signal (PSS) and a secondary synchronization signal (SSS). The UE may identify a master information block (MIB), carried by a physical broadcast channel (PBCH), based at least in part on the PSS and the SSS, identifying a physical cell identifier (ID) based at least in part one or more of the PSS or the SSS. The UE may identify a synchronization signal block (SSB) index based at least in part on a scramble of the PBCH. The UE may identify, based at least in part on the SSB index or the physical cell ID, a model ID associated with a machine learning (ML) model, or a pairing ID associated with a pair of ML models. Numerous other aspects are described.

Systems, methods, and instrumentalities are described hereinfor connection management and recovery associated with multipath sidelink relays. A relay wireless transmit / receive unit (WTRU) may provide a remote WTRU with RRC state information associated with the relay WTRU. The WTRU may receive configuration information indicating conditions to initiate a relay (re) selection or PC5-RRC connection to a relay WTRU. Conditions may be provided for initiating transmission over a relayed (e.g., secondary) path, where the conditions may depend on the RRC state information at the relay WTRU, a cell ID, and / or QoS.

Provided in the present invention are a processing method for remote user equipment, and user equipment. The processing method is performed by remote user equipment (UE) in a process of communicating with a base station via relay UE, and includes the following steps: receiving, by the remote UE, a message transmitted by the relay UE and including cell ID information, wherein the relay UE provides a relay service for the remote UE; and upon receiving the message, determining, by the remote UE, whether a cell ID therein has changed or is different from a previously received cell ID.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system is provided. The method may include: receiving, from a base station via MAC CE, information associated with activation of one or more TCI states, wherein the information associated with the activation of one or more TCI states indicates a first serving cell ID, a CORESET index, and one or more TCI state IDs; and in case that the first serving cell ID is included in a list of a plurality of serving cells that are configured to be simultaneously updated for a TCI relation with the MAC CE, activating the one or more TCI state IDs for the CORESET index of each of the first serving cell ID and at least one second serving cell ID included in the list.

Apparatus, methods, and computer program products are provided. An example method includes receiving, from a second network entity associated with a set of TRPs, a PDCCH transmission. Each respective TRP of the set of TRPs may correspond to a respective TCI state of a set of TCI states. The PDCCH transmission is based on a BFR request, where the BFR request includes a failed cell ID / a failed TRP ID associated with one TRP of the set of TRPs. The failed cell ID / the failed TRP ID is associated with a unified TCI state of the set of TCI states. The example method may include transmitting, to the second network entity based on an adjustment to a first set of power control parameters, one or more UL transmissions. The one or more UL transmissions is associated with the unified TCI state and one of the failed cell ID / the failed TRP ID.

Disclosed is a method performed a network entity in a wireless communication system using an open-radio access network (O-RAN), the network entity including at least one of a non-real-time RAN intelligent controller (non-RT RIC) and near-RT RIC, the method comprises configuring at least one node with a list of cell IDs representing cells to be activated or deactivated based on a condition in a network, and transmitting, to the at least one node, information including the list of cell IDs.

Methods and devices operate within a radio access network to facilitate a fast serving cell change using a lower layer triggered mobility, LTM, procedure, reducing latency and overhead relative to L3-triggered cell-switching procedures. LTM execution is triggered by an L1 measurement report. Methods and devices according to various embodiments, exchange LTM-related configurations that include an LTM identity, ID, and at least one LTM transmission configuration indicator, TCI, state configuration. The LTM TCI state configuration is associated with the LTM ID, or with a TCI state ID, or with a candidate cell ID.

A systems and methods for tracking a position of an electrode. The system may include: a notching controller configured to store pitch information of a unit electrode and to acquire electrode coordinate information of the electrode in a roll-to-roll state during a notching process and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID from the pitch information and the cell ID; a roll map generator configured to generate a roll map based on the electrode coordinate information transmitted from the notching controller; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive an electrode position of the electrode during the electrode manufacturing process from which the unit electrode originates.

Disclosed, according to various embodiments, are a method by which a terminal performs cross link interference (CLI) measurement in a wireless communication system and an apparatus therefor. Disclosed are a method and an apparatus therefor, the method comprising the steps of: receiving information about a CLI measurement resource for CLI measurement; and transmitting, to a base station, measurement information including CLI measured on the basis of the CLI measurement resource, wherein, on the basis that timing advance (TA) information of a candidate cell is received, the measurement information further includes information about a cell ID determined on the basis of the TA information and a measurement timing when the CLI is measured.

A terminal according to an aspect of the present disclosure includes a receiving section that receives indication information of a plurality of transmission configuration indication (TCI) states to apply to a plurality of signals, and a control section that applies the plurality of TCI states respectively to signals based on the indication information, the signals being transmitted / received to / from a plurality of transmission / reception points (TRPs), wherein each of the plurality of TCI states is a TCI state to apply to both a downlink (DL) signal and an uplink (UL) signal, or a TCI state to apply to a DL signal and a TCI state to apply to a UL signal, and the plurality of TCI states are respectively associated with different physical cell IDs (PCIs). According to one aspect of the present disclosure, it is possible to appropriately perform TCI state indication.

Various aspects of the present disclosure relate to transmission pattern configuration for low power synchronization signals. A device with a low power processor and / or a user equipment (UE) with a main radio and a low power radio may receive first signaling including a low power synchronization signal and a portion of a cell identifier (ID) for a serving cell. The first signaling may be transmitted using a transmission pattern associated with an index modulation scheme (e.g., an on-off keying (OOK) waveform). The device may receive second signaling including an indication of a remaining portion of the cell ID. The device may use the cell ID to establish a wireless connection with a network equipment (NE), such as a base station.

Systems, apparatuses, methods, and computer-readable media are provided for pathloss reference signal configuration when different cell IDs are configured for multi-TRP operation. Other embodiments may be described and / or claimed.

Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.

A user equipment (UE) can be configured with information for performing a conditional handover or an addition / change of a primary secondary cell (PSCell). The UE receives, from a source cell, a first radio resource control (RRC) configuration message for a conditional handover to at least one target cell, the first RRC configuration message including a conditional handover execution condition, an RRC configuration, and a target cell ID for each of a list of target cells; performs measurements on the target cells to determine whether any of the target cells satisfies its corresponding conditional handover execution condition; and initiates a handover to a first target cell from the list of target cells when the first target cell satisfies its corresponding conditional handover execution condition.

The present application discloses a communication method and a related device. According to the method, on one hand, a terminal device can store, after a fallback is successful, related information indicated by a network side, such as an LTE frequency point for redirection of the fallback, a frequency point corresponding to an NR cell camped before the fallback, a frequency point of an LTE cell camped after the fallback, and a cell ID; and on the other hand, before the fallback, the terminal device can measure an LTE frequency point corresponding to an LTE neighbor cell of the currently camped NR cell and store related information of the LTE frequency point. On the basis of the stored related information of a previous fallback success process, and / or the measured LTE frequency point, the terminal device can search for whether a suitable LTE cell is present or not. If the terminal device finds a suitable LTE cell, the terminal device accesses the LTE cell; otherwise, the terminal device attempts to search for other LTE frequency points on the basis of other modes. By means of the method, a terminal device can more easily and quickly find an LTE cell having high signal intensity and access the LTE cell.

A method according to an embodiment of the present specification comprises the steps of: receiving a PDCCH command; the PRACH is sent; receiving a PDCCH (physical downlink control channel) related to the RAR; and receiving the PDSCH related to the RAR. The PDCCH and the PDSCH are received on the basis of the QCL property on the basis that the CORESET associated with the PDCCH command is associated with a second physical cell ID different from the first physical cell ID. The QCL properties are based on a CORESET associated with a set of type 1-PDCCH CSSs.

An electronic device includes a communication processor and a memory. The communication processor may be configured to cause the electronic device to: detect at least one satellite network based on the reception of at least one system information block (SIB); generate a PLMN list including at least one PLMN; determine the service time of each of a plurality of non-terrestrial wireless communication devices included in the PLMN list based on satellite data stored on the memory; and determine the priorities of the plurality of non-terrestrial wireless communication devices based on the determined service times, wherein the satellite data includes at least one of a mobile country code (MCC), a mobile network code (MNC), a mobile network code (TAI), a cell ID, and / or information about the service type of a service provided by the satellite network.