653 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.

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.

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 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.

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.

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.

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.

Disclosed are a method and apparatus for performing a sounding procedure 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 comprise the steps of: receiving a first null data PPDU (NDP) announcement frame and a second NDP announcement frame from a second STA; and transmitting, to the second STA, at least one feedback frame for at least one channel. Here, a bandwidth for the second STA may include a first channel and a second channel, the first NDP announcement frame may include a first STA Info field for the first channel, the second NDP announcement frame may include a second STA Info field for the second channel, and the at least one channel may be indicated on the basis of the first STA Info field and the second STA Info field.

A method and an apparatus for receiving a PPDU in a wireless LAN system are presented. In particular, a receiving STA receives a PPDU from a transmitting STA and decodes it. The PPDU comprises a first signal field and a second signal field; and a data field. The first signal field includes information for transmitting a data field within one MRU by a first MCS applied to a first frequency block and a second MCS applied to a second frequency block. The second signal field includes a common field and a user-specific field. The common field includes RU allocation information about a first frequency block and a second frequency block within one MRU. The user-specific field includes a first user field for a first frequency block and a second user field for a second frequency block.

A wireless transmit and receive unit (WTRU) may be configured to operate as task initiator (Tl). The WTRU may send a request for a trust evaluation to a task management function (TMF), including a first candidate task participant (TP) and a first task and a second candidate TP and a second task. The WTRU may include trust indicators for the first candidate TP to perform the first task and for the second candidate TP to perform the second task. The TMF may perform the trust evaluation and determine a first estimated trust index (ETI) and a second ETI. Upon receiving the ETIs, the WTRU may determine an aggregated ETI. The WTRU may determine whether to assign the first task to the first candidate TP and the second task to the second candidate TP based on the aggregated ETI.

A first wireless transmit / receive unit (WTRU) may send a call request to an AMF. The call request may indicate a known identifier to reach a second WTRU. The first WTRU may receive a call response that indicates a call rejection and / or that the second WTRU has configured alternate reachability methods. The first WTRU may send a reachability request to a reachability management function (RMF). The reachability request may include a known identifier, an identifier of the first WTRU, and / or information about one or more capabilities of the first WTRU. The first WTRU may receive a reachability response from the RMF that indicates the second WTRU can connect with the first WTRU. The reachability response may include information to connect with the first WTRU. The first WTRU may send a call request to an AS. The first WTRU may receive a call response that indicates a call is established.

Disclosed are a quiet channel-based transmitting or receiving method and apparatus in a wireless LAN system. A method performed by a station (STA) in a wireless LAN system, according to an embodiment of the present disclosure, may comprise the steps of: receiving a quiet channel element including information indicating one combination from among a plurality of combinations of channels through which communication to a first access point (AP) is allowed within a bandwidth or channels through which the communication to the first AP is not allowed; and performing the communication to the first AP over one or more channels based on the one combination.

Methods and systems for securely sending user plane data from a base station to an Artificial Intelligence (AI) server via a mobile telecommunication network are disclosed herein. A method performed by the base station located in a Radio Access Network (RAN) includes: sending an interface setup request to the (AI) server, receiving an interface setup response from the AI server, establishing, by exchanging cryptographic keys using an Internet Key Exchange (IKE) protocol, a data transport tunnel between the base station and the AI server based on an Internet Protocol Security (IPSec) network protocol, and sending the user plane data from the base station to the AI server for training artificial intelligence based models.

A wireless transmit / receive unit (WTRU) may receive a first set of simultaneous uplink (UL) grants for transmitting first simultaneous transmissions using a first set of two or more beams. The WTRU may transmit a first power headroom report (PHR) including a first power sharing indication. The first power sharing indication may indicate a first power sharing status for the first simultaneous transmissions. The WTRU may receive a second set of simultaneous UL grants for transmitting second simultaneous transmissions. The second simultaneous transmissions may be transmitted using a second set of two or more beams. The WTRU may determine a second power sharing status for the second simultaneous transmissions. The WTRU may transmit a second PHR when the determined second power sharing status is different than the first power sharing status.

A method and apparatus for transmitting or receiving an extended control field in a wireless LAN system are disclosed. The method performed by a first station (STA) in a wireless LAN system, according to an embodiment of the present disclosure, comprises the steps of: receiving, from a second STA, a frame including a medium access control (MAC) header including one or more specific control fields; and on the basis of the one or more specific control fields, performing processing on one or more fields included in a frame body within the frame, wherein on the basis that a high throughput (HT) control field is present in the MAC header, the one or more specific control fields may be additionally present in the HT control field, and on the basis that the HT control field is not present in the MAC header, the one or more specific control fields may be present at a specific location within the frame.

Proposed are a method and a device for obtaining critical update information between MLDs in a wireless LAN system. Specifically, a reception MLD transmits a probe request frame to a transmission MLD through a first link. The reception MLD receives a probe response frame from the transmission MLD through the first link. The transmission MLD comprises a first transmission STA operating in the first link and a second transmission STA operating in a second link. The probe request frame comprises a change sequence element which requests critical update information of the second transmission STA. The probe response frame comprises the critical update information of the second transmission STA.