1316 results about "Wireless systems" patented technology

A wireless transmit / receive unit, WTRU, receives a plurality of positioning reference signals from a plurality of terrestrial transmission points, the positioning reference signals including at least one positioning reference signal from a first terrestrial transmission point and at least one positioning signal from a second terrestrial transmission point, on condition that at least one value based on first measurements of the plurality of positioning reference signals satisfies a condition, transmits a request to initiate, at the WTRU, positioning using positioning reference signals received from satellites, received, in response to the request, information about a set of satellites, selects at least one satellite from the set of satellites, determines a second position estimate for the WTRU based on at least one positioning reference signal received from at least one selected satellite, and sends to a network node a message comprising information indicating the second position estimate for the WTRU.

Systems, methods, and instrumentalities are disclosed herein for pre-processing for channel state information (CSI) compression in wireless system. A WTRU may receive configuration information that indicates a reference signal and a data processing model for channel state information (CSI) compression. The WTRU may determine CSI associated with a channel using the reference signal. The WTRU may determine a channel condition associated with pre-processing. The WTRU may select a pre-processing type from a plurality of pre-processing types based on the data processing model and the determined channel condition associated with pre-processing. The WTRU may pre-process the CSI associated with the channel based on the selected pre-processing type. The WTRU may generate compressed CSI by compressing the pre-processed CSI using the data processing model for CSI compression. The WTRU may send the compressed CSI to a network.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products includes measuring Channel State Information (CSI) associated with at least one reference signal and determining a trained Artificial Intelligence (AI) model to generate at least a portion of a report that includes the CSI associated with the at least one reference signal. The report comprising the CSI associated with the at least one reference signal is transmitted.

Techniques for performing a conditional low-layer triggered mobility (CLTM) are disclosed. A UE may receive, from a current serving cell, for each of a respective one or more candidate target cells, (i) a cell configuration, (ii) at least one corresponding physical layer (L1) measurement configuration, and (iii) at least one execution condition. The UE performs, using the L1 measurement configurations, L1 measurements for the candidate target cells. The UE evaluates, based on one or more L1 measurement results, the execution condition corresponding to one or more candidate target cells. Based upon evaluating that the execution condition corresponding to a candidate target cells is met, the UE determines the target cell as a new serving cell and selects a beam for the new serving cell based on one or more of the L1 measurements. The UE detaches from the current serving cell to apply the configuration of the new serving cell.

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 invention provides a time division duplex multi-carrier synchronous transmission method based on 5G, which is used for solving the problems of inflexible carrier time slot allocation and inaccurate time delay compensation in synchronous transmission. By dynamically adjusting time slot allocation and working frequency bands of carriers in a network control center, the method optimizes network loads and reduces cross interference; the time delay of each carrier is compensated in real time by adopting a synchronous signal calibration algorithm, so that strict alignment of transmission time slots is ensured; the transmitting end dynamically adjusts the transmitting power according to link state information, and the receiving end reduces interference and signal attenuation through a multi-carrier cooperative interference management and multi-path delay compensation mechanism; and a receiving end performs joint decoding based on channel estimation and integrates demodulation signals of all carriers, so that the transmission efficiency and the signal quality of the 5G network are improved. The method is suitable for a base station system and a base station and repeater extension coverage system, and is especially suitable for a distributed wireless system including an optical fiber remote distributed system, a cable remote frequency shift repeater system and the like.

Methods and devices of a wireless system are provided. A first device of the wireless system receives a first set of sensing reference signals (RSs) over beams from a second device, performs first beam measurements based on the first set of sensing RSs, and transmits, to the second device, a first information report based on the beam measurements. The first information report includes a first type of sensing information. The first device also receives, from the second device, a second set of sensing RSs, performs second beam measurements based on the second set of sensing RSs, and transmits, to the second device, a second information report based on the second beam measurements. The second information report includes a second type of sensing information that is different from the first type of sensing information.

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.

Systems, methods, and instrumentalities are disclosed herein associated with transmission of demodulation reference signals (DMRS) in wireless systems. DMRS symbols may be placed in a slot for channel estimation operations. For example, channel estimation performance may be enhanced based on using an increased number of DMRS symbols. Channel estimation enhancements may be performed by transmitting DMRS symbols in an extended slot, for example, to avoid data degradation (e.g., which may result from replacing data transmission symbols with DMRS symbols). An extended slot may be a slot that includes symbols spanning across multiple slots (e.g., two slots, consecutive slots), for example, such as a slot n and a slot n+1.

An information handling system may include a hardware processor, a memory device, wireless systems, a power source, and plural Universal Serial Ports (USB) or the information handling system may be operatively coupled to a docking station with the plural USB ports. The information handling system may utilize a wireless dongle operatively coupled to the hardware processing device via one USB port that is wirelessly coupled to a wireless input / output device, the wireless dongle comprising a wireless dongle antenna to send and receive data wirelessly with the wireless device, a wireless dongle hardware processing device, and wireless dongle wireless interference detection firmware to detect fail parameters. Execution of code instructions of a wireless interference determination system by the hardware processor may determine combinations of fail parameters diagnose wireless interference from another USB port or other wireless devices as well as determine other wireless signal issues and generate remediation instructions.

A User equipment (UE) transmits, to a base station, a capability information indicating whether the UE supports UE-based timing advance measurement, and receives, from the base station, an indication indicating whether UE-based timing advance measurement is enabled for a candidate cell for layer 1 / layer 2 triggered mobility (LTM). The UE configures UE-based timing advance measurement for the candidate cell for LTM based on the indication, and performs UE-based timing advance measurement for the candidate cell for LTM. The UE receives a cell switch command from the base station. When a valid timing advance is not included in the cell switch command, the UE switches to the candidate cell for LTM by applying a timing advance measured by the UE. When the valid timing advance is included in the cell switch command, the UE switches to the candidate cell for LTM by applying the valid timing advance.

Methods, systems, and devices for spectral sharing wireless systems, wherein multiple user devices share time and frequency resources for uplink and / or downlink transmissions, are described. One example method includes transmitting transmission symbols from the network station to at least one user device by processing through a first precoder and a pre-compensation stage, wherein the pre-compensation stage is selected to have the transmission symbols receivable at the at least one user device to appear as if the transmission symbols are processed by a second precoder different from the first precoder.

Embodiments are related to a fifth generation (5G) or sixth generation (6G) wireless communications system. A method for an access node of a wireless system comprises encoding a session start request message to start a data collection session (DCS) to collect data for a machine learning (ML) model from a user equipment (UE) by a base station of a wireless system, the session start request message including UE context information, decoding a session start response message to indicate the start of the DCS by the base station, the session start response message including DCS configuration information for the ML model, and encoding a data collection request message for the UE to collect measurements for the ML model based on the DCS configuration information for the ML model by the base station. Other embodiments are described and claimed.

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.

In a wireless local area network (LAN) system, a transmitting station (STA) may transmit a peer-to-peer (P2P) transmission request frame to an access point (AP). The transmitting STA may receive a P2P transmission response frame from the AP. The transmitting STA may receive a trigger frame from the AP. The trigger frame may include information related to whether same is for an uplink, P2P transmission or both an uplink and P2P transmission. The transmitting STA may transmit data to a receiving STA. The transmitting STA and the receiving STA may be non-AP STAs. The transmitting STA may transmit a null data packet announcement (NDPA) frame and a null data packet (NDP) frame to the receiving STA. The transmitting STA may receive, from the receiving STA, a feedback frame including state information for the channel between the transmitting STA and the receiving STA.

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.

Proposed are a method and device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives a PPDU through a wide band from a transmission STA, and decodes the PPDU. The wide band is a 320 / 160+160 MHz band configured from a first band and a second band. When the first band is an 80 MHz band in which puncturing is performed in units of 20 MHz, the first band includes a first RU which is an aggregate of a 484RU and a 242RU. The second band is a 240 MHz band excluding the first band in the wide band, and includes a second RU which is an aggregate of three 996 RUs. The PPDU includes a control field and a data field. The data field is received via a first multi-RU which is an aggregate of the first and second RUs.

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.

Proposed are a method and apparatus for transmitting an ML element for ML reconfiguration in a wireless LAN system. In particular, a reception MLD generates a first ML element for ML reconfiguration. The reception MLD transmits the first ML element to a transmission MLD through a first link. The first ML element includes a profile sub-element of a second reception STA. The profile sub-element of the second reception STA includes a first STA control field. The first STA control field includes an entire profile sub-field. When a value of the entire profile sub-field is 1, the profile sub-element of the second reception STA includes entire information for the ML reconfiguration. When the value of entire profile sub-field is 0, the profile sub-element of the second reception STA does not include any information for the ML reconfiguration.

Methods and devices of a wireless system are provided. A user equipment (UE) receives a first configuration defining a first set of time domain resources for radar sensing. The first configuration includes at least one of a frame structure comprising radar sensing slots or a slot structure comprising radar sensing symbols. The UE performs radar sensing within the first set of time domain resources and first frequency domain resources. The first set of time domain resources at least partially overlap time domain resources for communication based on one or more different beams, spatial filters, or spatial angles. The first frequency domain resources at least partially overlap second frequency domain resources for communication based on one or more different beams, spatial filters, or spatial angles.

Proposed are a method and an apparatus for performing negotiation for a C-TDMA operation in multi-AP communication in a wireless LAN system. Specifically, a first AP transmits a coordination request frame to a second AP. The first AP receives a coordination response frame from the second AP. The first AP receives allocation information of a part of a TXOP on the basis of the coordination request frame and the coordination response frame. The first AP exchanges frames with a first non-AP STA during the part of the TXOP.

A method and a device for operating in a wireless LAN system are disclosed. The method performed by a 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 request frame related to a non-primary channel access procedure; receiving, from the AP, a response frame related to whether to accept the request frame; and performing a non-primary access procedure on the basis of the response frame, wherein the request frame can include information related to at least one first non-primary channel for a back-off procedure.

Disclosed are a method and an apparatus for performing sensing measurement in a wireless LAN system. A method, according to one embodiment of the present disclosure, may comprise the steps of: receiving a sensing NDPA frame from an AP; and receiving an NDP from the AP. The sensing NDPA frame may include a frame control field and a first field including common information related to sensing measurement for a plurality of STAs, the frame control field may include a subtype subfield, in order to identify the sensing NDPA frame, a value of the subtype subfield may be set to 0110, and a control frame extension value in the subtype subfield may be set to a predetermined value.

Systems, methods, devices, and instrumentalities are described herein related to enhancements based on predictive traffic and radio conditions in wireless systems. A wireless transmit / receive unit (WTRU) may receive configuration information associated with an initiation of an action related to mobility. The configuration information may include trigger condition(s) associated with the initiation of the action related to mobility. In examples, the trigger condition(s) may include a predicted or current uplink (UL) buffer data threshold, a predicted or current radio signal level threshold. The WTRU may determine at least one of: a current or predicted radio signal level of a cell, or a current or predicted UL buffer data level. The WTRU may monitor the trigger condition(s). Based on the trigger condition(s) being satisfied, the WTRU may select the action related to mobility. The WTRU may perform the selected action related to mobility.

Disclosed are a method and device for sensing-related setup in a wireless LAN system. A method for a first station (STA) to perform a sensing-related setup in a wireless LAN system according to an embodiment disclosed herein comprises the steps of: transmitting a setup request frame, including information related to the role of a second STA, to the second STA; and receiving a setup response frame from the second STA, wherein the information related to the role of the second STA can indicate a sensing transmitter role for the second STA, a sensing receptor role for the second STA, or both a sensing transmitter and sensing receptor role for the second STA.

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).

Proposed are a method and device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives the PPDU from a transmission STA through a wideband and decodes the PPDU. The PPDU includes an STF signal. The STF signal is generated on the basis of a first STF sequence for the wideband. When the wideband is a 320 MHz band, the first STF sequence is a sequence including a M sequence and is defined as {M −1 M −1 −M −1 M 0 −M 1 M 1 −M 1 −M 0 M −1 M −1 −M −1 M 0 −M 1 M 1 −M 1 −M 0 −M 1 −M 1 M 1 −M 0 M −1 −M −1 M −1 M 0 −M 1 −M 1 M 1 −M 0 M −1 −M −1 M −1 M}*(1+j) / sqrt(2).

Disclosed are a method and device for a setup related to sensing in a wireless LAN system. A method for a first station (STA) to perform a sensing procedure in a wireless LAN system according to an embodiment disclosed herein comprises the steps of: receiving measurement setup information including one or more measurement parameter elements from a second STA; and performing the transmission or reception of a sensing signal on the basis of one specific measurement parameter element among the one or more measurement parameter elements, wherein the one or more measurement parameter elements may respectively correspond to one or more measurement setup identifiers.

Methods and apparatus for enhancing area coverage and data rates in a quasi-licensed wireless communication network. In one embodiment, the methods and apparatus utilize so-called “quasi-licensed” CBRS (Citizens Broadband Radio Service) wireless spectrum in conjunction with a cellular wireless communication network (e.g. 4G, 5G, or LTE) for the delivery of services to a number of installed fixed wireless apparatus (CPE / FWA) at user or subscriber premises. The CPE / FWAs may act as relays or supplementation devices to provide requisite data rates to the CPEs that are out of the network coverage, effectively adding new customers to the network. As such, the CPEs that acts as relays are connected to one or more base stations, dynamically allocate some resources to the out of coverage CPEs, for the delivery / receipt of information to / from the out-of-coverage CPES / FWA.