2827 results about "Wireless lan" patented technology

Presented herein are techniques associated with providing an alternative network indication to a client device in a wireless local area network (WLAN) roaming federation. In one example a method is provided that may include obtaining access network information for each of a plurality of access networks that neighbor a first access network through connection of a client device with the first access network involving a first identity provider profile; determining an alternative access network with which the client device is recommended to seek connection or an alternative identity provider profiles with which the client device is recommended to connect to the first access network; and enabling the client device to initiate a connection with the alternative access network or to re-initiate a connection with the first access network utilizing the alternative identity provider profile.

A stream classification service-based communication method and an apparatus are applied to a wireless local area network system that supports 802.11 series protocols, for example, a next-generation Wi-Fi protocol of IEEE 802.11ax, such as 802.11be, Wi-Fi 7, or EHT, or for another example, a next-generation protocol of 802.11be, Wi-Fi 8, or UHR, and can be further applied to a UWB-based wireless personal area network system, a sensing system, and the like. The method includes: a receiving end sends a measurement request, and correspondingly, a transmitting end receives the measurement request. The measurement request includes an identifier of a stream classification service (SCS) stream. The transmitting end sends a measurement report, and correspondingly, the receiving end receives the measurement report. The measurement report includes the identifier of the SCS stream and QoS measurement data of the SCS stream.

A method and a device for performing sensing measurement in a wireless LAN system are disclosed. The method for performing sensing measurement in a wireless LAN system, according to one embodiment of the present disclosure, comprises the steps of: receiving a null data physical protocol data unit (PPDU) (NDP) announcement frame from a second STA; receiving an NDP from the second STA on the basis of the NDP announcement frame; and transmitting, to the second STA, on the basis of the NDP, a sensing measurement report frame including a sensing measurement report field, wherein the sensing measurement report frame can include a measurement setup ID subfield, a measurement instance ID subfield, and a first subfield representing the number of bits for each channel state information (CSI) value.

A method and a device for performing a sensing procedure in a wireless LAN system are disclosed. The method by which a first station (STA) performs a sensing procedure in a wireless LAN system comprises the steps of: transmitting, to a second STA, a sensing setup request frame including at least one sensing measurement parameter; and transmitting, to the second STA, a sensing setup response frame including a state code related to the at least one sensing measurement parameter, wherein, on the basis that the state code indicates that the first STA presents a sensing measurement parameter preferred by the first STA instead of the at least one sensing measurement parameter, the sensing setup response frame can include the preferred sensing measurement parameter.

The invention discloses an energy regulation and control method for a digital intelligent low-carbon building, and relates to the technical field of energy intelligent control, and the method comprises the following steps: constructing a multi-source feed-forward sensing link, unifying data collection timestamps, fusing people counting data, access control record data and wireless local area network probe data, and obtaining a multi-source feedback sensing link; passenger flow step fingerprints capable of reflecting instantaneous passenger flow change characteristics are generated and used for feedforward input of follow-up dynamic response; and performing crowded wave dynamic tracking based on passenger flow step fingerprints, analyzing a crowd movement track in combination with feedforward input, positioning a high-concentration air quality risk area, outputting a risk arrival time and intensity curve, and generating a feedforward ventilation time history input prediction link. According to the method, people flow changes are sensed and predicted through multi-source feedforward, a ventilation strategy is actively deployed, self-optimization is achieved in combination with feedback correction and closed-loop evaluation, and energy consumption is reduced and the service life of equipment is prolonged while air health and safety are guaranteed.

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 for wireless local area network (WLAN) sensing are provided herein. A method performed by a sensing responder may include receiving a first sensing measurement setup request message indicating a first one or more parameters to be used in a sensing measurement procedure. The method may include transmitting a first sensing measurement setup response message indicating at least one parameter that differs from the first one or more parameters indicated by the sensing measurement setup request message. The method may include receiving a second sensing measurement setup request message indicating a second one or more parameters to be used in the sensing measurement procedure. The second one or more parameters to be used in the sensing measurement procedure may include at least one parameter that differs from the first one or more parameters indicated by the first sensing measurement setup request message.

Disclosed are a method and device for channel allocation in multi-access point operation in a wireless LAN system. A method performed by a first access point (AP) in a wireless LAN system according to an embodiment disclosed herein may comprise the steps of: transmitting channel-related information of the first AP to a second AP; receiving resource allocation information, related to multi-access point operation, from the second AP; and exchanging frames, with one or more STAs associated with the first AP, on a specific resource based on the resource allocation information.

The invention provides an electric power wireless local area network multi-domain data processing method and system based on credibility certification, and the method comprises the steps: firstly calling a credibility certification model to carry out the credibility certification of terminal equipment, generating a terminal certification data set containing equipment identity and the like, obtaining a cross-domain original data flow, extracting the characteristics of equipment operation and the like through multi-mode characteristics, and carrying out the multi-mode certification of the terminal equipment; the method comprises the following steps: carrying out weighted fusion on credibility of equipment operation state characteristics based on a terminal authentication data set, carrying out dynamic association analysis on the credibility and network transmission quality characteristics to generate a cross-domain association characteristic set, and carrying out spatio-temporal context aggregation on the cross-domain association characteristic set and service operation semantic characteristics by utilizing a pre-trained multi-domain collaborative analysis model; and finally, according to the multi-domain collaborative optimization strategy set, dynamic resources of service domain nodes are reconfigured, and a network optimization execution instruction set is generated and fed back to terminal equipment to trigger trusted communication link upgrading operation. And effective multi-domain data processing and network optimization of the electric power wireless local area network are realized.

A method and apparatus for performing a sensing procedure in a wireless LAN system are disclosed. According to an embodiment of the present disclosure, the method by which a first STA performs the sensing procedure in the wireless LAN system comprises the steps of: receiving, from a second STA, at least one sensing measurement setup request frame requesting at least one sensing measurement setup; transmitting, to the second STA, at least one sensing measurement setup response frame in response to the at least one sensing measurement setup request frame; and transmitting a sensing measurement setup termination frame to the second STA or receiving the sensing measurement setup termination frame from the second STA.

A system and method for an intelligent hair drying / styling apparatus with user information transmission and storage capabilities is herein provided. The hair drying / styling apparatus houses a control circuit board and an infrared or temperature sensor (or camera) in order detect an individual's hair condition moisture level to determine a user specific, customizable dryer setting. The information detected by the sensor is stored locally, on a proximal Internet-enabled device, or on a remote or cloud-based server and accessed by the hair drying / styling apparatus through a wireless local area network connectivity function. This innovation will enable any number of hair professionals and / or end consumers to improve styling and dry time. According to the present invention, energy usage is reduced to enable a more efficient design.

Methods and apparatuses are described herein for multiple-access point (multi-AP) sounding procedures in a wireless local area network (WLAN). A coordinating AP (CAP) may receive, from one or more member APs in a multi-AP set (MAPS), one or more indications indicating that the one or more member APs are capable of multi-AP sounding during a transmission opportunity (TXOP). The CAP may transmit a CAP TXOP indication (CTI) frame indicating that the multi-AP sounding is to be performed during a TXOP acquired by the CAP. The CAP may receive a CAP TXOP request (CTR) frame indicating that the one or more member APs of the MAP are willing to perform multi-AP sounding during the TXOP. The CAP may transmit a CAP TXOP AP schedule (CTAS) frame indicating a transmission schedule for one or more sounding frames to be transmitted by the one or more member APs during the TXOP.

A trigger frame-based PPDU transmission / reception method and device in a wireless LAN system are disclosed. The method performed by means of a station (STA) in a wireless LAN system, according to one embodiment of the present disclosure, may comprise the steps of: receiving, from an access point (AP), a trigger frame including a common info field; and transmitting, to the AP, a TB PPDU corresponding to one of one or more TB PPDUs triggered by means of the trigger frame. The common information field comprises an A-PPDU related subfield, and a configuration of the one or more TB PPDUs can be indicated on the basis of the A-PPDU related subfield and at least one other subfield included in the common information field.

Disclosed are a method and an apparatus for transmission or reception of an STF for a new numerology in a wireless LAN system. A 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: generating a physical layer protocol data unit (PPDU) including a non-legacy short training field (STF); and transmitting the generated PPDU to one or more second STAs. In the non-legacy STF, for a PPDU type supporting a new numerology, a specific STF sequence may be applied to each transmission bandwidth of the PPDU type.

This application relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for transmitting a physical layer protocol data unit, and for example, is applied to a wireless local area network. The method includes: A first communications device generates a PPDU and may send the PPDU, where the PPDU includes an LTF sequence; and correspondingly, a second communications device receives the PPDU, and parses the PPDU to obtain the LTF sequence included in the PPDU. Embodiments of this application can be used to design an LTF sequence that has a relatively low PAPR on entire bandwidth, on a single resource unit, on a combined resource unit, and in a considered multi-stream scenario.

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.

Some aspects of this disclosure include apparatuses and methods for implementing a hibernation mode for multi-link wireless communication networks such as a wireless local area network (WLAN). For example, some aspects relate to a multi-link device (MLD) including a first station (STA) associated with a first link of a wireless network and configured to communicate with a second MLD over the first link. The MLD also includes a second STA associated with a second link of the wireless network. The second STA is in a hibernation mode. The MLD also includes one or more processors communicatively coupled to the first and second STAs and configured to control operations of the first and second STAs.

A method and a device for transmitting or receiving a frame in a wireless LAN supporting EMLSR are disclosed. A method of a first STA comprises the steps of: transitioning the operation state of the first STA from a listening operation state to an EMLSR operation state by considering a TBTT of a first AP; receiving a beacon frame from the first AP in the EMLSR operation state; when the beacon frame indicates that a data unit to be transmitted to the first STA exists in the first AP, transmitting a PS-Poll frame to the first AP; and receiving a data frame including the data unit from the first AP in the EMLSR operation state.

The invention discloses an ad hoc network wireless intercom system and method for old cell reconstruction, the system is composed of an outdoor wireless digital host, a wireless repeater and a wireless indoor extension, an ad hoc multi-hop wireless local area network is constructed based on an ESP-WIFI-MESH protocol, redundant communication is realized by adopting a mesh topology structure, and the wireless intercom system and the wireless repeater are used for wireless intercom. The problems of high wiring cost and poor wireless signal coverage in the prior art are solved. The talkback method comprises the following steps: marking an alarm instruction as the highest level through a priority transmission mechanism, and preempting a channel to ensure zero delay of an emergency signal; voice and video data are scheduled in a hierarchical manner, and real-time performance and bandwidth are balanced. The wireless repeaters dynamically allocate IP addresses, support plug and play of extension sets, and realize cross-building communication and remote management in combination with a local area network of a community.

Proposed are a method and a device for receiving a PPDU by combining an RU or an MRU in a particular channel with an RU or an MRU in a neighboring 20 MHz channel in a wireless LAN system. Specifically, a reception STA receives a PPDU from a transmission STA. The reception STA decodes the PPDU to obtain control information. The reception STA decodes a data field of the PPDU on the basis of the control information. The control information comprises first or second information for an RU or an MRU in the bandwidth of the PPDU.

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.

A sensing communication method and device are applied to the technical field of communication. The present application can be applied to a wireless local area network system that supports an IEEE 802.11 ax next generation Wi-Fi protocol (e.g., 802.11 be, Wi-Fi 7, or EHT), or an IEEE 802.11 be next generation Wi-Fi protocol (e.g., Wi-Fi 8, UHR), or Wi-Fi AI, or millimeter wave (mmWave), or ultra wide band (UWB), or sensing. If the first communication device generates the PPDU based on the Q time-varying function values, the PPDU is transmitted. After receiving the PPDU, the second communication device may parse the PPDU based on Q time-varying function values that it agrees with the first communication device. According to the method provided by the embodiment of the invention, the security of information transmission is improved, and the protection of user privacy is effectively realized.

Disclosed are a method and apparatus for transmitting or receiving a short training field (STF) for new numerology 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: generating a physical layer protocol data unit (PPDU) including a non-legacy STF; and transmitting the generated PPDU to one or more second STAs. A specific STF sequence may be applied, with respect to a PPDU type supporting new numerology, to a non-legacy STF for each transmission bandwidth of the corresponding PPDU type.

A client driven approach for L4S support and optimization in WLANs, e.g. WiFi WLANs, is described. A client station (STA) generates and sends a SCS w / L4S Request frame including a L4S descriptor element to an access point (AP). The L4S descriptor element includes a L4S classifier mask, ECN threshold and a set of client device specified desired QoS level information to be applied with regard to the transmission of identified L4S traffic. Upon acceptance of the request, the AP selects a queue for future L4S traffic and creates an L4S filter. The created L4S filter includes classification criteria, ECN congestion threshold, and QoS information. The AP implements the created L4S filter, e.g., identifying and directing identified L4S traffic to the designated L4S queue, performing ECN marking with regard to the congestion at the L4S queue, and transmitting L4S data in accordance with the received STA specified desired QoS levels.

A method and an apparatus for link establishment in a wireless LAN supporting EMLSR are disclosed. The method by a first device comprises the steps of: performing an operation of establishing a simultaneous reception standby link with a second device; when a first link and a second link are configured as the simultaneous reception standby link, performing a reception standby operation on the first link and the second link at the same time; receiving a control frame from the second device on the first link from among the first link and the second link; and receiving a data frame from the second device on the first link where the control frame was received.

Disclosed are a method and device for transmitting or receiving a short training field (STF) for new numerology 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, may comprise the steps of: generating a physical layer protocol data unit (PPDU) including a non-legacy short training field (STF) field; and transmitting the generated PPDU to one or more second STAs. For a PPDU type supporting new numerology, a specific STF sequence may be applied, to the non-legacy STF field, for each transmission bandwidth of the PPDU type.

Disclosed are a method and device for transmitting or receiving an STF for a new numerology in a wireless LAN system. A method performed by a first station (STA) in a wireless LAN system according to an embodiment disclosed herein may comprise the steps of: generating a physical layer protocol data unit (PPDU) including a non-legacy short training field (STF); and transmitting the generated PPDU to one or more second STAs. In the non-legacy STF field, a specific STF sequence may be applied for each transmission bandwidth of a PPDU type supporting the new numerology.

Disclosed are a method and device for transmission and reception based on tone allocation for a new numerology in a wireless LAN system. A method performed by a first station (STA) in a wireless LAN system according to an embodiment disclosed herein comprises the steps of: generating a physical layer protocol data unit (PPDU) including information transferred through at least one of data subcarriers or pilot subcarriers; and transmitting the generated PPDU to one or more second STAs, wherein the total number of subcarriers may be 512 on the basis that the PPDU is a 20 MHz PPDU, the total number of subcarriers may be 1024 on the basis that the PPDU is a 40 MHz PPDU, and the total number of subcarriers may be 2048 on the basis that the PPDU is a 80 MHz PPDU.

In a wireless local area network (WLAN) system, a transmission STA can transmit a PPDU via a 320 MHz channel, and a Medium Access Control (MAC) signal may be generated for the PPDU. The MAC signal may include puncturing pattern information and channel center frequency segment (CCFS) information for a 320 MHz band. The CCFS information may include a first CCFS field related to channel center frequency (CCF) information of a primary 160 MHz channel, and a second CCFS field related to CCF information of a 320 MHz channel.