590 results about "Cell selection" patented technology

Systems, methods, apparatuses, and non-transitory computer-readable medium for conditional handover configuration for fast offloading during cell shutdown. For example, a method comprises receiving, with a user equipment from a serving cell, one or more handover configurations. The one or more handover configurations comprises an energy saving conditional handover configuration. At least one of the one or more handover configurations comprises at least one of: an indication of one or more candidate target cells, or information for target cell selection. The method also comprises receiving, from the serving cell, an indication of activation of an energy saving mode at the serving cell. The method further comprises selecting a target cell, from the one or more candidate target cells, based, at least partially, on the one or more handover configurations and the received indication of activation of the energy saving mode at the serving cell.

A wireless transmit / receive unit (WTRU) may perform cell selection and / or beam association as described herein. The WTRU may use contextual information, such as a location, to enable cell selection and / or beam association. The WTRU may be configured with a resource on which to report WTRU contextual information. The WTRU may receive, in response to the contextual information, assistance information associated with one or more cells for enabling cell selection and / or beam association. For example, the WTRU may receive a defined subset of measurement resources in response to the transmission of the location on the resource. The WTRU may determine a base station (BS) and / or a beam pair (BP) based on the assistance information. The WTRU may perform a transmission to the BS using at least one beam of the BP.

Extended Reality (XR) applications may require high throughput and very low latency. New Radio (NR) Wireless receiver / transmitter units (WTRUs) running XR applications (XR-WTRUs) may be confronted with link failures when these applications are used in dense urban or indoor environments because of these devices operating in the millimeter band. Methods and devices are provided therefore for performing cell selection and beam management proactively to avoid link failure due to objects being in line of sight between the XR-WTRU and a network node with which it has established a connection. XR-WTRUs may therefore perform visual sensing that may enable visualizing current and future radio environment and using this information to prevent link failures by handing the XR-WTRU over to an alternative network node in line of sight of the XR-WTRU before the XR-WTRU is no longer in line of sight of the network node with which it has established a connection.

A method can include receiving, by a wireless device, configuration parameters, of an early channel state information (CSI) reporting procedure associated with a layer 1 / 2 triggered mobility (LTM) procedure. The configuration parameters can include a first threshold for a candidate cell selection; a second threshold for a serving cell; and a timer for triggering the early CSI reporting procedure. The method can also include triggering the early CSI reporting procedure in response to an expiry of the timer; a first layer 1 reference signal received power (L1-RSRP) value of a candidate cell being higher than the first threshold; and a second L1-RSRP value of the serving cell being lower than the second threshold. The method can additionally include transmitting, based on the triggering, a CSI report indicating the candidate cell for the LTM procedure.

Certain aspects of the present disclosure provide techniques for RRC connection reestablishment by a remote UE. In some cases, a remote UE may be configured to detect, on at least one of a first link between a first relay UE and a first network entity or a second link between the remote UE and the first relay UE, a radio link failure (RLF) resulting in a loss of radio resource control (RRC) connection and attempt to reestablish RRC connection by performing at least one of relay selection or cell selection.

Techniques are provided for restricted radio access technology-based cell selection. An example method can include processing information from a public land mobile network (PLMN) indicating a first restricted radio access technology (RAT). The method can further include accessing memory to identify a set of RATs for connecting with the PLMN. The method can further include selecting a second RAT instead of the first restricted RAT from the set of RATs-based on the indication of the first restricted RAT. The method can further include connecting with a cell of the PLMN using the second RAT.

Provided are a wireless communication method, and a terminal device and a network device. The method comprises: a terminal device receiving first information, wherein the first information is used for performing cell selection / cell reselection, and the first information is related to a low-power-consumption wake-up signal. The first information is carried in system information, and the terminal device is a terminal device that supports the low-power wake-up signal.

An aspect of this disclosure includes a method of a User Equipment (UE). The method includes receiving Target Network Slice Selection Assistance Information (NSSAI). The method includes performing a cell selection or a cell reselection based on the Target NSSAI.

An electronic device is provided. The electronic device includes an antenna, a communication module connected to the antenna, and a processor connected to the communication module, wherein the processor can confirm a frequency band supportable by the electronic device, receive, from a base station, system information including information about a peripheral cell, determine whether the peripheral cell is either an unlicensed cell or a non-terrestrial cell on the basis of the confirmed frequency band and / or the received system information, determine the priority of a frequency, which is the reference for cell selection, on the basis of at least one from among the confirmed frequency band, the received system information, and the type of determined cell, and select a cell according to the determined priority of the frequency.

The invention discloses a wireless communication method, device and equipment, and belongs to the field of communication, and the wireless communication method comprises the steps that a terminal sends first information to network side equipment; wherein the first information is used for indicating at least one of the following items: preference of the terminal for executing the first operation and information obtained by mobility reasoning based on an AI model; the first operation comprises at least one of the following items: cell switching, cell redirection, connection reestablishment, cell selection, cell reselection, activation of a turned-off cell, entering an idle state, leaving a connection state, shutdown, entering a flight mode, and mobility reasoning based on an AI model. In the embodiment of the invention, the terminal reports the preference of the terminal for executing the first operation or the information obtained by the mobility reasoning based on the AI model, so that the network side equipment can perform terminal-level configuration optimization according to the preference information of the terminal or the information obtained by the mobility reasoning based on the AI model, and the performance improvement taking the terminal as the center is realized.

Systems and methods for User Equipment (UE) operation in presence of Clear Channel Assessment (CCA) are provided. In some embodiments, a method performed by a wireless device for cell selection accounting for requirements includes: determining a measurement period in a serving cell for the cell selection or cell re-selection (T1), wherein the measurement period is determined based on a number of consecutive Discontinuous Reception (DRX) cycles; determining a number of measurement occasions configured with a Discovery Reference Signal (DRS) in the serving cell during T1; determining availability of the DRS at the measurement occasions; and performing measurement based on availability of the DRS at the measurement occasions during T1. In this way, a wireless device may operate in NR RRC_IDLE / RRC_INACTIVE in the presence of CCA, e.g., Listen-Before-Talk (LBT).

A method and apparatus for a cell selection or a cell reselection considering a network slice in a wireless communication system is described. A wireless device configures multiple network slices. A wireless device receives a network slice information related to the multiple network slices. A wireless device establishes a PDU session for a specific service. A wireless device determines one or more frequencies that support the at least one network slice, used by the PDU session, from among the multiple network slices based on the frequency information. A wireless device performs a cell selection procedure and / or a cell reselection procedure based on the determined one or more frequencies.

This application discloses a cell selection or reselection method and apparatus. The cell selection or reselection method includes: A terminal receives target configuration information; and the terminal performs cell selection or reselection based on the target configuration information, where the target configuration information is related to network energy-saving, and the target configuration information includes at least one of the following: first configuration information, used to indicate whether the terminal is allowed to select or reselect to a cell; second configuration information, including a first frequency list or a first cell list, where the first frequency list includes a frequency of a cell that supports network energy-saving or a frequency that supports network energy-saving, and the first cell list includes the cell that supports network energy-saving; and third configuration information, used to indicate reselection information related to network energy-saving.

A non-contact real-time monitoring system of physiological signs based on millimeter-wave radar includes a millimeter-wave radar and multiple modules for processing radar signals. The millimeter-wave radar is configured to continuously transmit electromagnetic wave signals and simultaneously receive echo signals, perform frequency mixing processing on the echo signals to obtain an intermediate frequency signal, and process the intermediate frequency signal to obtain a radar four-dimensional data matrix. Human body physiological signs are monitored by analyzing body thoracic cavity micro-motion information in signals through the modules; a target echo is processed by adopting a constant false alarm rate detection algorithm, and invalid signals are filtered. A self-adaptive range cell selection algorithm based on short-time stability of respiratory signals is adopted to capture radar echoes reflecting physiological movement. Mixed human body physiological sign signals are processed by using a VMD algorithm, and key parameters in VMD are optimized by using a GWO algorithm.

To provide slice-recognition cell selection and random access techniques.SOLUTION: Techniques are described in relation to implementing slice-recognition cell selection or slice-recognition random access techniques. An exemplary wireless communication method includes implementing, by a communication device, a cell selection technique using one set of cell selection-related information associated with a slice. The one set of cell selection-related information is from a plurality of sets of cell selection-related information related to a plurality of slices, and each set of cell selection-related information is associated with one slice from the plurality of slices.SELECTED DRAWING: Figure 2

A communication method and apparatus are provided. The method includes: a terminal device receives first indication information from a first cell, and performs cell selection or reselection based on the first indication information, where the terminal device camps on the first cell, and the first indication information indicates the terminal device to perform cell selection or reselection, so that a first terminal device accesses another cell to reduce a quantity of terminal devices served by the first cell, and further reduce energy consumption of a communication system. Because the terminal device is indicated to perform cell selection or reselection, the terminal device can be enabled to perform normal communication.

A method and apparatus for height-based cell selection or reselection in a wireless communication system is provided. A wireless device receives information on (i) a first cell reselection priority associated with a first height range and (ii) a second cell reselection priority associated with a second height range. A wireless device monitors a current height of the wireless device. A wireless device determines a cell reselection priority as the first cell reselection priority or the second cell reselection priority based on the current height. A wireless device performs cell reselection based on the determined cell reselection priority.

The present disclosure relates to a method for selecting a network by a terminal. The method may comprise receiving information about a network slice from a base station, wherein the information about the network slice includes at least one of information about a group of the network slice, information about priority of the network slice, and information about priority of the group of the network slice-; and performing cell selection or cell reselection based on the received information about the network slice.

A method (100′) in a terminal node for performing a cell selection procedure in a NTN system. The method (100′) includes: in response to receiving (s110′) at least one NTN parameter defining a time and / or location relationship between the terminal node and a serving cell, initiating (s120′) a cell selection procedure to find a cell meeting a cell selection criterion after a time period.

An apparatus, operating in a radio resource control idle mode, selects from multiple candidate cells, a target cell to be a next serving cell for the apparatus. The apparatus starts, based on the target cell providing system information block 1 (SIB1) on an on-demand basis and in response to receiving a SIB1 request configuration for the target cell, a SIB1 request for the target cell based at least in part on the SIB1 request configuration for the target cell. The apparatus reselects, in response to receiving no SIB1 for the target cell in response to the SIB1 request, a secondary candidate cell of the multiple candidate cells on a same frequency as the target cell or on another frequency than the target cell based at least in part on whether intra-frequency reselection is allowed, and continues to consider the target cell in future cell selection or reselection evaluation.

Methods for a New Radio (NR)-based, Low Earth Orbit (LEO) Non-Terrestrial Networks (NTN) are proposed to improve cell selection and reselection by using satellite assistance information. Different from traditional 5G New Radio systems, the LEO NTN can provide the next cell information along the satellite trajectory using System Information Broadcast (SIB). The assistance information can include satellite's long term ephemeris in the format of Position Velocity (PV) information or details of satellite's other orbital parameters. During TN-NTN join coverage, as TN cells are expected to have a better coverage then NTN cells, the network can assign higher priority to the TN cells over NTN cells. Similarly, for a mobility involving earth-fixed and earth-moving beams (cells), earth-fixed cells can be prioritized over earth-moving beams for cell reselection.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may detect one or more triggering conditions indicating that the UE is traveling along the route, and should enter the high mobility operating mode to improve mobility procedure performance or processor performance. Upon entering the high mobility operating mode, the UE may perform mobility procedures, handover procedures, cell selection or reselection, or connection procedures. For example, the UE may determine which cell it is approaching, and which cell it is leaving, along the route, which may allow the UE to avoid being assigned to handover to a cell that it is leaving, prioritize or deprioritize measurement reports for UEs that the UE is leaving or approaching, update the contents or timing of measurement reporting, or the like.

A communication method and a device. In the method, a network side can perform cause analysis on a secondary cell group (SCG) failure of a terminal device based on SCG failure information reported by the terminal device, and determine a problematic node for wrong candidate primary secondary cell selection, so that configuration optimization on the network side can be completed, and more proper configuration can be performed for the terminal device in a subsequent primary secondary cell addition or change procedure of the user equipment (UE), to reduce a probability of the SCG failure of the terminal device.

Embodiments herein relate to, for example, a method performed by a source radio network node (140), for handling communication in a wireless communications network, wherein the source radio network node is adapted to relay data packets between a first radio network node and a UE in the wireless communications network. The source radio network node (140) transmits to a target radio network node (150,12,15) a message relating to a cell selection and / or a handover for the UE, wherein the message comprises a first user plane indication, and wherein the first user plane indication is an indication of setting up a user plane communication or not for the UE.

Reconfigurable Intelligent Surface devices, RIS, may be used to improve receipt of radio signals received by wireless transmit-receive units, WTRUs, in a given area. In such area, WTRUs may receive radio signals directly from the transmitter, and indirectly, via reflection of the radio signals from the transmitter by the RIS device. A RIS may consist of programmable sub-wavelength sized unit cells placed in close proximity. Each unit cell behaves like a scatterer. Embodiments of a new RIS structure are described here, being based on a nearly passive reflecting platform. In a Nearly-Passive RIS structure according to embodiments, NP-RIS, each unit cell is programmed to have a constant invariable phase-shift. Embodiments of a unit cell selection method are described, to control the reflected wave by selecting a subset of unit cells whose reflection could assist coherent alignment of the reflected wave with the main direct signal at the WTRU.

A terminal device receives indication information from a network device, where the indication information is associated with a first cell. The terminal device performs cell selection, reselection, or access based on the indication information. The indication information includes at least one of the following: an intra-frequency reselection identity and a dedicated intra-frequency reselection identity; an inter-frequency reselection list and a dedicated inter-frequency reselection list; an inter-frequency reselection parameter and a dedicated inter-frequency reselection parameter; an intra-frequency reselection excluded cell list and a dedicated intra-frequency reselection excluded cell list; an inter-frequency reselection excluded cell list and a dedicated inter-frequency reselection excluded cell list; an intra-frequency reselection cell parameter and a dedicated intra-frequency reselection cell parameter; an inter-frequency reselection cell parameter and a dedicated inter-frequency reselection cell parameter; or an access control parameter and a dedicated access control parameter.

Various aspects of the present disclosure relate to receiving, from a first cell, broadcast signaling comprising a configuration for requesting a first system information block (SIB1) of the second cell. Aspects of the present disclosure may relate to transmitting a request for the SIB1 of the second cell. Aspects of the present disclosure may relate to receiving a paging message for the SIB1 of the second cell and receiving the SIB1 from the second cell. Aspects of the present disclosure may relate to performing cell selection based at least in part on a reception of the SIB1.

Use of impedance and / or dielectric spectroscopy for analysis of a eukaryotic cell expressing an endogenous or recombinant peptide or polypeptide. A sensing apparatus 30 includes a main channel 34 thro

An example wireless device (12) in a dormant state improves its selection of a camping cell by accounting for multi-cell configurations. Among other things, a multi-cell configuration may improve throughput between a wireless communication network (10) and the wireless device (12), based on the network (10) serving the wireless device (12) from two or more cells (24). By camping on a cell (24) that belongs to a multi-cell configuration that is possible for the wireless device (12), the wireless device (12) reduces the time and signaling needed to establish that multi-cell configuration, upon the wireless device (12) connecting to the network (10) via the camping cell. Accounting for multi-cell configurations may be done jointly, along with accounting for conventional priorities, such as conventionally-prioritized frequencies and Radio Access Technologies (RATs) and may be incorporated into the ranking of cells (24) based on per-cell radio-signal measurements.

A method and apparatus for inheriting a broadcast system information in a wireless communication system is provided. A wireless device receives, from a first cell, a broadcast system information including a first information and a second information. A wireless device receives, from a second cell, another broadcast system information including anew information to replace the first information. A wireless device performs a measurement procedure, a cell selection procedure, and / or a cell reselection procedure while in the second cell, based on the second information received from the first cell.