989 results about "Wireless access point" patented technology

The invention discloses a self-adaptive equipment dormancy method based on a Wi-Fi signal state, and the method comprises the following steps: 1, based on the continuous monitoring of a physical layer index of associated equipment, sending a suggested wake-up instruction to the corresponding associated equipment when it is predicted that the signal quality is rapidly reduced but does not fall off a switching threshold; step 2, according to a received suggested wake-up instruction or a signal degradation trend detected by the corresponding associated device, specifically, switching from a deep sleep state to a standby wake-up state, shortening a sleep period and pre-loading authentication information; 3, the wireless access point dynamically adjusts the sending opportunity of the suggested wake-up instruction according to the service delay requirement of the associated equipment; 4, the associated device dynamically elects a main link and a slave link based on a multi-attribute decision algorithm, and the main link is responsible for receiving a wireless access point instruction and uniformly scheduling dormancy and awakening of the slave link; and 5, generating a prediction result of future data traffic, and controlling the on-demand wake-up time of the slave link by the main link.

Various aspects of the present disclosure relate to adaptive monitoring of radio intelligent controller (RIC) key performance indicators (KPIs). An apparatus, such as a RIC, receives performance data of one or more KPIs. The RIC updates a sampling rate of at least one KPI based at least in part on a determination to mitigate use of one or more operational resources of the RIC, where the determination includes a quantized risk evaluation for adjusting the sampling rate of the at least one KPI. The RIC can transmit an indication of an updated sampling rate for the at least one KPI to a network equipment (NE) and / or to a wireless access point for communication to a user equipment (UE).

A short packet communication method assisted by an intelligent reflecting surface in an electromagnetic interference environment is characterized in that in a reflective intelligent reflecting surface assisted two-user non-orthogonal multiple access system, the intelligent reflecting surface assists remote users in communication, and a wireless access point sends a short data packet to the two users to realize high-reliability and low-delay communication; an electromagnetic interference source exists in the system, and transmitting power of the electromagnetic interference source and characteristics of transmission channels from the electromagnetic interference source to an intelligent reflecting surface and two users are assumed to be known; the method comprises the following steps: firstly, determining signal to interference plus noise ratio statistical characteristics of decoding of two users by utilizing statistical channel state information; secondly, determining an average block error rate of the two users under a fading channel according to a short packet communication related formula; and finally, under the reliability constraint, determining the optimal power distribution coefficient and the minimum common block length of the system. According to the invention, high-reliability and low-delay communication is realized.

Example network management systems, techniques, and computer-readable media are set forth herein. An example network management system is configured to obtain client activity data of one or more access point (AP) devices. The example network management system is configured to determine, based on the client activity data, an anomaly in a behavior of an AP device of the one or more AP devices based on at least one of a comparison to forecasted client activity data of the AP device or a comparison to client activity data of at least one peer AP device. The network management system is configured to perform, based on the determined anomaly in the behavior of the AP device, an action.

A method, computer system, and computer program product are provided for performing automated eavesdropping detection and remediation. A distance between a first and second wireless client device is determined with reference to a wireless access point based on wireless signals transmitted by the devices. A first and second signal loss are determined with reference to the first and second wireless client devices and the wireless access point. Material properties for any physical structures between the first and second wireless client devices are derived based on the signal losses. A sound attenuation is determined between the first and second wireless client devices based on the material properties. It is determined whether a first user of the first wireless client device can hear audio of a second user of the second wireless client device based on the sound attenuation determined between the first wireless client device and the second wireless client device.

A method for automatically determining a location characteristic of a wireless access point includes (1) receiving, via an array of at least three antenna elements of the wireless access point, a first neighboring wireless communication signal from a first neighboring wireless access point, (2) determining a location of the first neighboring wireless access point, and (3) determining the location characteristic of the wireless access point at least partially based on (a) the location of the first neighboring wireless access point and (b) difference in phase of the first neighboring wireless communication signal between the least three antenna elements of the wireless access point.

The invention discloses a wireless signal propagation model correction method and system supporting segmented calculation, and relates to the technical field of wireless signal propagation, and the method comprises the steps: firstly constructing a segmented propagation model according to a signal measurement value and a signal loss value, and then carrying out the correction of the segmented propagation model according to an actually measured signal value; according to the method, the influence of key factors such as the distance between a measurement point and a wireless access point, the power of the wireless access point, the signal frequency of the wireless access point and an obstacle on signal propagation is synthesized, parameters of a subsection propagation model are dynamically adjusted, and the distance between the measurement point and the wireless access point is considered in the correction process of the subsection propagation model. The segmented propagation model can support fast signal attenuation in a short distance and slow signal attenuation in a long distance, the calculation precision of the adjusted model is better than that of original parameters, and the method can be applied to a barrier-free environment, a few-barrier environment and a full-barrier environment and has better environmental adaptability.

Aspects of the subject disclosure may include, for example, determining, by a wireless router or a wireless access point (WAP) associated with a fixed network connection, that a network condition is satisfied, based on the determining that the network condition is satisfied, detecting for available networks operating in licensed spectrum and available networks operating in unlicensed spectrum, responsive to the detecting, identifying a first available network operating in licensed spectrum and a second available network operating in unlicensed spectrum, and aggregating, in one or more link aggregation groups, a first connection established with the first available network and a second connection established with the second available network, thereby augmenting a network capacity of the fixed network connection. Other embodiments are disclosed.

The invention discloses an electric power WLAN security reinforcement method, system and device based on trusted computing, and relates to the technical field of electric power WLAN security, the method comprises the following steps: respectively presetting a trusted platform control module TPCM and corresponding components on an electric power wireless terminal, an electric power wireless access point and an electric power authentication server to form a ternary three-layer architecture; certificate application and distribution of equipment are carried out according to the three-element three-layer architecture, the equipment is managed and controlled in a unified mode through an electric power authentication server, and the equipment comprises an electric power wireless terminal and an electric power wireless access point; and carrying out trusted access authentication on the equipment which obtains the certificate, including bidirectional identity authentication based on a ternary three-layer architecture, platform identity and integrity evaluation based on attributes and key negotiation based on a national cryptographic algorithm, so as to realize access of the trusted power wireless terminal to the trusted power wireless access point. According to the method, collusion attacks can be prevented, platform configuration information cannot be leaked, and sensitive information can be effectively prevented from being intercepted by attackers or untrusted intermediate equipment.

The invention discloses a value-based optical cable state sensing and energy consumption optimization method. According to the method, a digital twinning architecture composed of a main agent and a sensing agent is constructed, the main agent obtains the state of an optical cable through interaction with a physical environment, the sensing agent is responsible for observing the environment and communicating with a wireless access point, the precision of the digital twinning architecture is continuously optimized through a meta reinforcement learning algorithm, and the accuracy of the digital twinning architecture is improved. And scheduling and energy consumption control are carried out on the sensing intelligent agent.

Systems, apparatuses, and methods are described for parental controls based on the location of a wireless computing device. Wireless access points may be located in different locations, e.g., in different rooms of a home. The location of the wireless computing device may be determined based on comparing measured signal strengths to baseline signal strengths associated with the location. Information related to an access level associated with the location may be determined. The access level may, for example, permit access to content in a first location, but prevent access to the content in a second location. Content may be provided to the wireless computing device based on the access level associated with the location.

Position determination of a user equipment (UE) is supported using channel measurements obtained for Wireless Access Points (WAPs), wherein the channel measurements are for Line of Sight (LOS) and Non-LOS (NLOS) signals. Based on WAP almanac information and the channel measurements, channel parameters indicative of positions of signal sources relative to a first position of a UE may be determined. Using the first position of the UE and an association of the signal sources with corresponding channel parameters, a second position of the UE may be determined. The position of the UE may be a probability density function. Additionally, position information for signal sources may be determined, such as a probability density function, as well as signal blockage probability and an antenna geometry and the WAP almanac information may be updated accordingly.

Methods, systems and devices for transmitting unavailability information in a wireless local area network. A wireless device establishes first and second wireless connections using a first set of radio resources. The wireless devices receives a multi-user initial control frame (ICF) from a wireless access point over the first wireless connection. Based on receiving the multi-user ICF, the wireless device transmits a control response message to the wireless access point that indicates unavailability information for the wireless device.

The invention provides a multi-device cooperative indoor positioning method, device and equipment based on information coupling, which can be applied to the technical field of signal processing. The multi-device cooperative indoor positioning method based on information coupling comprises the following steps: respectively receiving channel state signals sent by terminals by using wireless access points; determining initial azimuth angle information corresponding to the wireless access point according to the channel state signal; determining a first target initial azimuth angle corresponding to the wireless access point from the first initial azimuth angle and the second initial azimuth angle based on an angle focusing criterion; obtaining a target pitch angle corresponding to the wireless access point according to the first target initial azimuth angle corresponding to the wireless access point and the geographical location information of the wireless access point, and calculating a target azimuth angle based on the target pitch angle corresponding to the wireless access point and the first target initial azimuth angle corresponding to the wireless access point; and determining a target position of the terminal according to the target azimuth angle and the target pitch angle corresponding to the wireless access point.

The disclosed technology relates to determining a period in which a non-urgent RRM update should be deferred. The method may comprise applying a first update to an existing configuration of the plurality of wireless access points in the network based on an analysis of telemetry received from the plurality of wireless access points received over a period spanning at least two busy periods. The method may further comprise applying a second update that modifies the first preferred network configuration based on an analysis of telemetry received during the first busy period. The method may further comprise applying a maintenance update to the tweaked network configuration based on telemetry received during the next busy period.

Provided in the present application are a train section occupancy detection method and a related apparatus, which are applied to a ground control server. The method comprises: receiving an identifier set from target wireless access points; on the basis of determination that first identification information and second identification information pass consistency voting, adopting a target logical section corresponding to the first identification information and the second identification information, thus determining the section, which is occupied by a train indicated by third identification information, as the target logical section. Therefore, the accuracy of train occupancy detection is improved, safe driving requirements during train operation is guaranteed, and the stability of train occupancy detection is also improved.

Position determination of a user equipment (UE) is supported using channel measurements obtained for Wireless Access Points (WAPs), wherein the channel measurements are for Line of Sight (LOS) and Non-LOS (NLOS) signals. Based on WAP almanac information and the channel measurements, channel parameters indicative of positions of signal sources relative to a first position of a UE may be determined. Using the first position of the UE and an association of the signal sources with corresponding channel parameters, a second position of the UE may be determined. The position of the UE may be a probability density function. Additionally, position information for signal sources may be determined, such as a probability density function, as well as signal blockage probability and an antenna geometry and the WAP almanac information may be updated accordingly.

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle homeward voyage method, device, equipment, medium and product, and the method comprises the steps: controlling a target unmanned aerial vehicle to homeward voyage and starting a second wireless communication module if the communication connection between the target unmanned aerial vehicle and a target hangar is detected to be disconnected; obtaining at least one piece of preset connection information; the preset connection information comprises a connection name and a secret key of the wireless access point; based on the at least one piece of preset connection information, wireless access point searching is carried out through the second wireless communication module until the second wireless communication module is connected with the wireless access point; and controlling the target unmanned aerial vehicle to enter a warehouse through signaling interaction of the wireless access point. According to the scheme, after the unmanned aerial vehicle depot is disconnected, the second wireless communication module can be started for wireless access point searching, so that the unmanned aerial vehicle depot allowing return flight is contacted, return flight operation of the target unmanned aerial vehicle is executed, and safe return flight and warehousing of the unmanned aerial vehicle after the communication module is damaged and the ground is disconnected are achieved.

The invention provides an access management method, a policy and charging control node and a communication system. The access management method comprises the following steps: determining a first frequency combination adopted by a user terminal at a current position; sending first indication information related to the first frequency to the first wireless access point through the first access and mobility management node, so that the user terminal accesses the first wireless access point by using the first frequency; and sending second indication information related to the second frequency to a second wireless access point through a second policy and charging control node and a second access and mobility management node, so that the user terminal accesses the second wireless access point by using the second frequency.

This disclosure provides methods, components, devices, and systems for quality of service (QoS) context propagation in wireless communication systems. Some aspects more specifically relate to a first wireless access point (AP), transmitting to a second wireless AP, a QoS context for a first communication flow established between the first wireless AP and a wireless station (STA). The first wireless AP may transmit the QoS context to the second wireless AP in response to an intent of the wireless STA to roam from a coverage area associated with the first wireless AP to a coverage area associated with the second wireless AP. According to the received QoS context, the second wireless AP may determine various QoS policies of a second communication flow associated with the wireless STA and the second wireless AP and begin communicating with the wireless STA according to the QoS policies after association with the wireless STA.

The invention provides an access management method, an access and mobility management node and a communication system. The access management method comprises the following steps: completing access and registration operations of a user terminal according to a first request sent by the user terminal through a first wireless access point; after notification information used for indicating the user terminal to complete access or registration operation with a second access and mobility management node through a second wireless access point is received, a first frequency combination is determined, and the first frequency combination comprises a first frequency and a second frequency; sending first indication information related to the first frequency to the first wireless access point, so that the user terminal accesses the first wireless access point by using the first frequency; and sending second indication information related to the second frequency to the second wireless access point through the second access and mobility management node, so that the user terminal accesses the second wireless access point by using the second frequency.

The invention discloses an automatic cable tunnel inspection method and system based on a quadruped robot, and relates to the field of cable tunnel inspection, and the method comprises the steps: setting a plurality of low-power-consumption high-precision intelligent sensing monitoring devices and a unified interface based on the quadruped robot; setting identification mark feature points and wireless access points in the cable tunnel at certain intervals; based on an image processing technology, the image is processed, and the operation state of the quadruped robot is determined by analyzing the image; based on the millimeter wave radar, detecting the environment in the cable tunnel, and performing obstacle avoidance on the operation road of the quadruped robot; and the operation state of the quadruped robot is determined based on the monitoring results of the gyroscope, the millimeter wave radar and the image processing technology. The system has the advantages that the environment in the cable tunnel is automatically and intelligently detected by using the quadruped robot through various low-power-consumption high-precision intelligent sensing monitoring devices, the inspection efficiency is improved, and the processing period is shortened.

A method performed by a first wireless access point for coordinating a multi-access point transmission in a wireless network of multiple access points includes receiving an indication of a transmit opportunity for the first wireless access point, transmitting at least one indication frame to the multiple access points comprising information related to the transmit opportunity, receiving at least one request frame from one or more access points of the multiple access points indicating participation with the transmit opportunity, and transmitting a trigger frame to the one or more access points that indicated participation with the transmit opportunity, wherein the trigger frame comprises information indicating respective power levels for the participating access points. The shared transmit opportunity may then be used to transmit downlink data to associated stations of the first wireless access point and the other participating access points during the transmit opportunity.

The invention discloses a home FTTR network self-optimization method, a home FTTR network self-optimization device, a medium and equipment. The method comprises the following steps: collecting home FTTR network data in real time; constructing a user movement track prediction model, outputting movement probability distribution of the user in a certain time in the future based on data, pre-judging a home area into which the user is about to enter, and dynamically selecting an optimal wireless access point in the area; constructing an optical fiber and wireless collaborative optimization model, performing dynamic adjustment on optical fiber path resources by taking network data and the selected optimal wireless access point as model input, and performing adaptive optimization on wireless parameters of the selected optimal wireless access point according to an adjustment result of the optical fiber path resources; and feeding back the adjustment result of the wireless parameters and the optical fiber path resources of the optimal wireless access point subjected to adaptive optimization to a data acquisition stage, so as to dynamically adjust the acquisition of state data, user behavior data and environment data, thereby realizing the self-optimization of the FTTR network.

The method provides an automated and scalable system for the generation, distribution, management of symmetric pre-shared keys (PSKs) to applications executing on headless and mobile devices. It helps achieve device protection, application security, and data protection with data authenticity and confidentiality in intra-device, inter-device, device-to-edge, and device-to-cloud communications. It helps Transport Layer Security (TLS) enabled applications dynamically acquire and renew PSKs and use identity hints for PSK based authentication ceremony during a TLS handshake. It helps manage and distribute API shared secrets and API access tokens required for authenticated API requests and API security. It helps applications (producers, brokers, and consumers of content) with PSKs for supply chain tamper resistance. It helps real-time low-latency applications with selective encryption of partial messages.

Embodiments of a device and method are disclosed. In an embodiment, a method of communications involves at a head end (HE), receiving an authentication message from a wireless access point (AP) deployed at a customer site, at the HE, performing a load balance operation in response to the authentication message to select a first authenticator from authenticators of the HE, at the HE, performing an authentication operation using the first authenticator based on the authentication message to generate an authentication request, and from the HE, transmitting the authentication request to an authentication server.

The invention belongs to the technical field of Internet of Vehicles communication, and particularly relates to a joint resource allocation and relay selection optimization method of a networked vehicle cooperation system. The method comprises the following steps: firstly, constructing a double-hop cooperative relay model from a wireless access point to a vehicle and from the vehicle to the vehicle; secondly, considering constraints such as time delay of each link, and establishing an optimization model taking minimization of end-to-end time delay as a target; then, a double-layer optimization method combining resource allocation and relay selection is provided; the inner layer decouples an original problem into two sub-problems under any given relay strategy and solves a resource allocation problem by using a convex optimization method; the outer layer encodes each chromosome into a relay selection strategy through an improved genetic algorithm, and the output of the inner layer serves as a fitness value to solve the relay selection problem. According to the method, the end-to-end delay performance of the system is guaranteed, and meanwhile, the influence of the delay performance of each link on the system is considered, so that the reliability and the robustness of the network connection vehicle cooperation system in the urban dense scene are effectively improved.

This invention provides a method of operating a wireless local area network, the wireless local area network including a user device, a wireless access point and a wireless repeater, wherein the wireless repeater is configured to virtualise a Media Access Control, MAC, address of the user device when the user device is connected to the wireless repeater by changing the Organisationally Unique Identifier, OUI, of the MAC address, the method comprising the steps of: obtaining data including a plurality of records, wherein each record of the plurality of records relates to the user device and includes a MAC address and a device label of the user device, wherein at least one record of the plurality of records includes a MAC address that has been virtualised by the wireless repeater; processing each record of the plurality of records by: determining that the MAC address of the processed record is a local MAC address, and, if so, identifying another record of the plurality of records that is uniquely associated with the user device based on the MAC address of the processed record by determining a Network Interface Controller, NIC, value of the MAC address of the processed record, determining that the determined NIC value is uniquely associated with a device label in the plurality of records, and identifying another record of the plurality of records having the associated device label, and assigning a unique identifier to the processed record based on the MAC address of the identified other record of the plurality of records; analysing the plurality of records having the unique device identifier; and causing a reconfiguration in the wireless local area network based on the analysis.

The invention discloses a complex environment high-precision positioning system based on multi-signal-source cooperation, and belongs to the technical field of cooperative positioning, and the system specifically comprises the steps: receiving satellite, cellular base station and wireless access point signals based on a multi-source signal extraction module, and extracting carrier phase, propagation time delay and multipath reflection intensity distribution; the reflection weight generation module is used for identifying environmental characteristics according to multipath reflection intensity and generating a fusion weight set containing satellite phase dominant factors and the like; the measurement value constraint conversion module converts the measurement value into three types of distance constraint quantities; the constraint fusion field construction module carries out nonlinear superposition on the three types of constraint quantities according to weights to generate a three-dimensional probability density field; the elevation coordinate resolving module fuses the air pressure data compression resolving space, and positioning coordinates are obtained through iterative convergence; according to the invention, through cooperation of multi-source signals, the positioning precision and reliability in a complex environment are effectively improved.

The invention discloses a time synchronization method for multipoint cooperative transmission, electronic equipment and a storage medium, and belongs to the technical field of wireless communication, and the method comprises the following steps: a shared wireless access point AP constructs and sends each time unit of a trigger frame of cooperative transmission to a shared AP, units of the trigger frame comprise a first time unit, a second time unit and a third time unit, the first time unit carries first clock time of local hardware when the shared AP constructs the first time unit, and the second time unit carries second clock time of local hardware when the shared AP constructs the third time unit. The second time unit carries second clock time of local hardware when the shared AP constructs the second time unit, the third time unit carries cooperative time expected by the shared AP, and the shared AP is an AP performing cooperative transmission with the shared AP.