905 results about "Wireless systems" patented technology

The invention discloses a precise interference avoidance method and device in a radio system, and relates to the field of signal processing, and the method comprises the steps: constructing a sensing matrix through sensing node data, and capturing a transient interference signal through aperiodic scanning; performing tensor decomposition on the signal data to extract time domain, frequency domain, space domain and modulation domain features, constructing a dual-mode spectrum analysis model, reconstructing an instantaneous spectrogram by using compressed sensing, and predicting an interference mode through LSTM; after the instantaneous spectrogram and the predicted interference graph are fused, threat assessment is carried out through a multi-stage interference classification model; according to the interference category and the threat level, beam forming is optimized, adaptive null is generated, a power density optimization model is constructed, and the transmitting power is dynamically adjusted; an anti-interference frequency hopping sequence is generated based on a chaotic mapping algorithm, and spectrum camouflage and tracking interference resistance are realized. The method has the advantages that accurate identification and dynamic avoidance of interference are realized through multi-dimensional perception, intelligent prediction and adaptive beam forming, and the interference avoidance capability of a wireless system is improved.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed to data-driven channel state information (CSI) prediction in wireless systems are disclosed. In an embodiment, an apparatus may be configured to receive, from a network node, a plurality of reference signals transmitted during a time window; determine, based on a trained artificial intelligence (AI) model, a plurality of channel state information (CSI) associated with the plurality of reference signals; generate a report comprising the plurality of CSI; and / or transmit the report to the network node.

The present disclosure relates to methods, apparatuses, and systems that support reconfigurable intelligent surface (RIS) management in wireless systems. For instance, aspects of the disclosure enable operational aspects of an RIS to be controlled to reduce signal interference caused by operation of the RIS. Aspects of the disclosure also enable RIS control to be allocated between different base stations, such as to enable base stations to access an RIS for providing signal communication for UEs served by the base stations.

The present disclosure relates to methods, apparatuses, and systems that support API access management in wireless systems. For instance, an API invoker (e.g., a user or UE) can be authenticated and authorized to access or register with a common API framework (CAPIF) function to enable real-time user consent driven API invocation authorization and secured user service data exposure by a network. Further, a comprehensive set of procedures are provided that ensure that networks are protected from unpermitted and / or potentially malicious access to APIs exposed by the network.

A method and apparatus for multi-link device (MLD)-based roaming in a wireless LAN system are disclosed. The method performed by a first STA in a wireless LAN system comprises the steps of: receiving, from a first access point (AP) belonging to a first group, announcement information including first information related to whether or not an addition of at least one link is supported for the first STA; transmitting, to the first AP, a request frame including a link ID of a second AP belonging to a second group; and receiving, from the first AP, a response frame including the link ID of the second AP, wherein the request frame may include second information requesting an addition or deletion of a link between the first STA and the second AP.

An adaptable, generalized digital predistortion system that can increase the accuracy of the distortion applied to a power amplifier input signal is disclosed. Further, the digital predistortion system can be implemented using a reduced circuit area by reducing a number of coefficients used by the models applied to generate the distortion compensation signal. Further, the system can implement an improved digital predistortion adaptation engine that can improve one or more of the following metrics of a complete radio frequency (RF) analog front-end radio signal chain: error vector magnitude (EVM), adjacent channel leakage ratio (ACLR), spectrum emission mask (SEM), and power consumption of the circuits and systems. An example of circuits and systems is a radio frequency power amplifier (PA).

A method including receiving semantic data from a first user device, the semantic data comprising at least one semantic token; obtaining spatial and temporal information associated with the first user device; associating the semantic data with the spatial and temporal information to generate associated semantic data; grouping the associated semantic data based on spatial and temporal proximity to create a cluster;and fusing data within the cluster to generate a representation of a portion of an environment.

A system and method for handling acknowledgments in a wireless system. In some embodiments, the method includes, receiving, by a User Equipment (UE), one or more first transmissions; decoding, by the UE, the first transmissions, to generate a first sub-codebook including one or more corresponding Hybrid Automatic Repeat Request Acknowledgement (HARQ ACK) bit strings each having a first length; receiving, by the UE, one or more second transmissions; decoding, by the UE, the second transmissions, to generate a second sub-codebook including one or more corresponding HARQ ACK bit strings each having a second length, greater than the first length; receiving, by the UE, one or more third transmissions; and decoding, by the UE, the third transmissions, to generate a third sub-codebook including one or more corresponding HARQ ACK bit strings each having a third length, greater than the second length.

Procedures, methods, architectures, apparatuses, systems, devices, etc. directed to enablers for blockchain-enabled wireless systems are provided. Among the apparatuses, is an first apparatus that may be configured to receive, from a network application, a registration request including information indicating a plurality of application-level requirements for a distributed ledger service, including one or more performance requirements, and one or more actions; determine a node of a distributed ledger system to associate to the network application based at least in part on the performance requirement; provide, to each of a one or more computing resources, executable code for conducting one or more of the one or more actions; and send a confirmation of registration to the network application.

An operating method of a first AP MLD comprising a first AP associated with a first link and a second AP associated with a second link in a wireless LAN system may comprise the steps of: receiving, by the first AP MLD, a multi-link resource allocation request from a first station (STA) of a STA MLD in a first link for the first AP of the first AP MLD; transmitting, by the first AP MLD, a first frame in a second link for the second AP of the first AP MLD on the basis of the multi-link resource allocation request so as to obtain a transmit opportunity (TXOP) in the second link; and allocating, on the basis of the first frame, a time division communication interval to another wireless LAN terminal within the TXOP, and receiving a second frame in response to the first frame.

A method and a device for transmitting and receiving inheritance-based information in a wireless LAN system are disclosed. A method performed by means of a station (STA) in a wireless LAN system, according to one embodiment of the present disclosure, comprises the steps of: transmitting, to a first access point (AP), a request frame including information related to a second AP and / or a first multi-link device (MLD); and receiving, from the first AP, a response frame for the request frame, wherein the response frame includes one or more per-STA profiles, and inheritance or non-inheritance for the one or more per-STA profiles can be based on a non-transmitted (non-Tx) basic service set identifier (BSSID) profile.

A wireless transmit / receive unit (WTRU) may transmit a request message to establish or modify a protocol data unit (PDU) session with a network. In an example, the request message may indicate that the PDU session is an alternative PDU session. Also, the WTRU may receive, from the network, indication information indicating that the PDU session is the alternative PDU session. Further, the WTRU may determine, based on the received indication information, whether the PDU session is in a drop state. Moreover, the WTRU may transmit, based on a determination that the PDU session is no longer in the drop state, uplink data associated with the PDU session. In a further example, the determination that the PDU session is no longer in the drop state may be based on indication information in an attention (AT) command. In addition, the indication information in the AT command may be received from an application.

A method of facilitating network access for local Terminal Equipment (TE) involves utilizing a Mobile Terminal (MT) that is pre-equipped with a list of authorized TE identities and a user identity module. Upon receiving an identity authentication signal from the TE, the MT assesses the TE's identity against the authorized list through multifactor verification. If the TE is verified as authorized, the MT retrieves a unique identifier from the user identity module and conveys this identifier to the TE. Subsequently, the TE employs the provided identifier to access the network.

Systems, methods, and instrumentalities are described for handling positioning reference signals in a wireless communication system. The positioning reference signals may be assigned priorities that may be used to facilitate various operations of a wireless transmit / receive unit (WTRU) such as positioning related services, collision avoidance, measurement and reporting, etc. The WTRU may be configured with multiple muting patterns associated with the positioning reference signals and may switch between different muting patterns based on the priorities of the positioning reference signals and / or other downlink (DL) or uplink (UL) transmissions that may overlap or collide with the positioning reference signals.

A method and apparatus for receiving a PPDU in a wireless LAN system are provided. Specifically, a receiving STA receives a PPDU from a transmitting STA via a first frequency band and decodes the PPDU. The PPDU includes a preamble and a data field. The first frequency band includes a first sub-block and a second sub-block. The data field includes first data for the first sub-block and second data for the second sub-block. The first data is generated based on data in which constellation mapping is performed on coded data bits. The second data is generated based on data obtained by replicating the first data and applying phase rotation to the data.

A method and apparatus for indicating an operating mode for an extended bandwidth in a wireless LAN system are disclosed. A method performed by a station (STA) in a wireless LAN system according to an embodiment of the present disclosure may include generating a frame including information regarding an indication of an operating channel width, and transmitting a PPDU including the frame. Here, the information regarding the indication of the operating channel width may be included in an operating mode (OM) control subfield within an aggregated-control (A-control) field of the frame, and the OM control subfield may include a specific subfield capable of indicating a wide bandwidth greater than 320 MHz.

A wireless transmit / receive unit (WTRU) may be configured to receive reconfigurable intelligent surface (RIS) discovery information. The RIS discovery information may indicate the presence of a RIS. The WTRU may perform one or more first measurements of one or more first signals to determine a first measurement value. The WTRU may determine that the first measurement value is less than a threshold. The WTRU may send a reservation request to the RIS based on the first measurement value being less than the threshold. The WTRU may perform one or more second measurements of one or more second signals received via the RIS to determine a second measurement value. The WTRU may determine that the second measurement value is less than the threshold. The WTRU may send a RIS configuration update request to the RIS based on the second measurement value being less than the threshold.

The present specification proposes NDPA frame formats supported in a next generation wireless LAN system. According to one embodiment of the present specification, the NDPA frame formats may include common information for sensing. Here, the common information may be included in a special user information field. According to another embodiment of the present specification, the NDPA frame formats may use an existing NDPA frame format.

Apparatuses and methods related to coexistence of wireless systems in shared spectrum in a wireless communication system. A method for a user equipment (UE) includes receiving a master information block (MIB) that indicates a control resource set (CORESET) for receptions of physical downlink control channels (PDCCHs), receiving a first PDCCH in the CORESET, and receiving a second PDCCH in the CORESET. The first and second PDCCHs provide a first and second downlink control information (DCI) formats, respectively, that schedule reception of first and second physical downlink shared channel (PDSCHs), respectively. The method further includes determining to receive the first PDSCH when the UE operates according to a first radio access technology (RAT) or to receive the second PDSCH when the UE operates according to a second RAT and receiving the first PDSCH or the second PDSCH.

A method and a device for multi-link device (MLD)-based roaming in a wireless LAN system are disclosed. A method performed by a station (STA) in a wireless LAN system may comprise the steps of: receiving announcement information related to multi-link device (MLD)-based roaming from a first access point (AP) associated with the STA; transmitting a request including one or more link identifiers for one or more second APs to the first AP; and receiving a response including the one or more link identifiers from the first AP.

An apparatus and system are described to indicate user equipment (UE) capability on UE measurements with pre-configured measurement gaps (MGs) in new radio systems. The pre-configured MGs may be one or more instances in concurrent MGs. and may be activated / deactivated using downlink control information (DCI). The activated pre-configured MGs may overlap with other MGs and may impact the maximum number of concurrent MGs that are supported by the UE. Overlapping MGs may increase pre-configured gap activation delay.

Disclosed are a method and device for transmission or reception on a channel with respect to a wide bandwidth in a wireless LAN system. The method performed by a first station (STA) in a wireless LAN system according to an embodiment of the present disclosure may include the steps of: generating a PPDU within a bandwidth belonging to a predefined frequency band; and transmitting the PPDU on a predetermined channel corresponding to a channel width smaller than the bandwidth.

The embodiment of the invention relates to the field of unmanned aerial vehicles, and provides a dynamic game-based air-ground wireless system security deployment and transmission scheme generation method and device and a storage medium, and the method comprises the steps: obtaining an initial model parameter and an event occurrence sequence, and taking a reverse sequence of the event occurrence sequence as a model construction sequence; determining that a planner takes expectation maximization of a weighted value of the transmission cost and the secrecy rate as a planning target, and determining that an eavesdropper takes eavesdropping rate maximization as an eavesdropping target; according to a model construction sequence, a planning target and an eavesdropping target are taken as model construction targets, and a three-stage dynamic game model is constructed according to the initial model parameters; and solving the three-stage dynamic game model based on a two-stage optimization algorithm, and generating a security deployment and transmission scheme of the air-ground wireless system according to target model parameters. By adopting the method, the security of unmanned aerial vehicle data transmission after deployment can be improved, the deployment efficiency is improved, and the deployment effect is improved.

A fifth generation (5G) or sixth generation (6G) communication system for supporting higher data rates is provided. A method for handling security for LI and L2 triggered mobility is provided. The method performed by a terminal in a wireless communication system includes receiving, from a master node (MN), first information on a layer 1 / layer 2 triggered mobility (LTM) configuration for candidate primary secondary cells (PSCells) and second information on a mapping between a counter value list and a cell set identification (ID), wherein an LTM configuration ID for a candidate PSCell is associated with the cell set ID of the candidate PSCell, receiving, from the MN, a medium access control (MAC) control element (CE) for an LTM cell switch, the MAC CE including third information indicating the LTM configuration ID for the candidate PSCell, identifying whether the cell set ID of the candidate PSCell corresponds to a serving cell set ID, based on the first information and the third information, in case that the cell set ID of the candidate PSCell does not correspond to the serving cell set ID, updating a counter value for the serving cell set ID to a counter value for the cell set ID of the candidate PSCell based on the second information, and transmitting, to a candidate secondary node (SN) of the candidate PSCell via the MN, the counter value for the cell set ID of the candidate PSCell.

An exemplary system and method are disclosed that employs (i) a forearm-based soft wearable hand-gesture recognition system that may detect a user's hand gestures as sensed from electromyographic signals acquired at a user's forearm and (ii) an AI-based classifier to continuously determine in real-time hand gestures as HMI inputs from the sensed EMG signal. The forearm-based soft wearable electronic system may be integrated into a soft, all-in-one wearable device having a scalable electrode array and integrated wireless system that may can measure electromyograms for real-time continuous recognition of hand gestures.

Disclosed are a method and device operating in a wireless LAN system. The method performed by a first STA in a wireless LAN system according to an embodiment disclosed herein may comprise the steps of: receiving, from a second STA, an aggregated medium access control protocol data unit (A-MPDU) including a first trigger frame and a second trigger frame; and performing uplink transmission on the basis of the first trigger frame and the second trigger frame, wherein the first trigger frame includes first information indicating at least one resource unit (RU) within a primary channel bandwidth, and the second trigger frame includes second information indicating at least one resource unit (RU) within a secondary channel bandwidth.

Disclosed are a method and a device for operating in a wireless LAN system. A method performed by a first station (STA) in a wireless LAN system according to one embodiment of the present disclosure comprises the steps of: transmitting, to an access point (AP), a stream classification service (SCS) request frame including identification (ID) information of first low latency traffic (LLT); receiving an SCS response frame from the AP on the basis of the SCS request frame; and transmitting, to the AP, at least one of the first LLT or first information related to the first LLT in a transmission opportunity (TXOP), wherein the SCS request frame may include an SCS ID and second information related to whether transmission of LLT or information related to the LLT is allowed in the TXOP.

The present invention relates to methods and apparatus for achieving frequency, phase and time of day synchronization in wireless systems. An exemplary method of operating a first wireless base station in a first network in accordance with an embodiment of the present invention comprises the steps of: (i) receiving, at the first wireless base station, a first message; (ii) in response to receiving the first message entering, by the first wireless base station, into a first mode of operation; and (iii) while operating in the first mode of operation, obtaining, by the first wireless base station, synchronization information from a first user equipment device using over the air device to device communications, the synchronization information including time synchronization information.

The invention relates to power reduction in processing a physical layer of a wireless system. A system includes a controller that receives data for a time slot and processes the data in a first power mode, and assigns jobs associated with the data to one or more accelerators or one or more DSP cores. The scheduler receives the jobs assigned by the controller and schedules the jobs for execution by the at least one or more hardware accelerators and the one or more DSP cores. An event manager manages a power mode for the controller. After the controller completes processing of the data associated with the time slot, the controller transitions from the first power mode to the second power mode. When the controller is processing the data, the second power mode is a lower power mode than the first power mode. The event manager transitions the controller from the second power mode to the first power mode in response to the trigger event.

Aspects of the present disclosure provide methods, apparatuses, devices and systems for facilitating energy savings in a wireless network system, such as a user equipment (UE) centric –cell free (UC-CF) wireless system. By virtue of aspects of the present disclosure, network devices may be dynamically turned on / off so that energy usage may be effectively reduced at both the network side and the UE side without sacrificing performance. A network device may transmit information of a first set of cooperation network devices to the UE. The network device may determine at least one target network side device which belongs to the first set of cooperation network side devices. The network device may transmit, to the UE, an indication of the at least one target network device via lower layer signaling. The UE may establish a first connection with the at least one target network device.