2279 results about "Wireless lan" patented technology

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.

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.

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.

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.

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 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.

A method and apparatus for performing sensing measurement in a wireless LAN system are disclosed. According to an embodiment of the present disclosure, the method for performing sensing measurement in a wireless LAN system comprises the steps of: receiving, from a second STA, a trigger frame including a trigger subtype subfield having a value set to 8 and a trigger dependent common information subfield; and performing triggered-based (TB) sensing measurement on the basis of the trigger frame, wherein the trigger dependent common information subfield may a include sensing subfield indicating whether or not the type of trigger frame is a sensing trigger variant.

Disclosed are a method and apparatus for transmitting or receiving a physical layer protocol data unit (PPDU) including a multiple access point operation-related preamble in a wireless LAN system. According to an embodiment of the present disclosure, a method performed by a first station (STA) comprises: receiving, from a second STA, a first portion of a PPDU including one or more signal (SIG) fields related to information of a multiple access point (AP); and receiving, from the second STA, a second portion of the PPDU, on the basis of information included in the one or more SIG fields related to the information of the multiple AP, wherein the one or more SIG fields related to the information of the multiple AP may have different formats on the basis of whether the minimum channel width allocated to the multiple AP is equal to or greater than 80 MHz.

Methods and apparatus for: i) providing a user equipment (UE) access to a core network, e.g., a 3GPP 5G core network, via a wireless local area network access point (WLAN AP) (e.g., a non-integrated non-3GPP access network), without the use of a non-3GPP Interworking Function (N3IWF) or a Trusted non-3GPPP Gateway Function (TNGF) and ii) allowing the transfer of application data via the core network are described. The transfer of application data is, i.e., in both directions, e.g. UE to User Plane Function (UPF) to data network (DN) and DN to UPF to UE. The access obtained by the UE does not require the presence of a 3GPP access network, e.g., a 3GPP radio access network (RAN) such as a gNB.

Some wireless devices communicate with multiple networks. For example, a user equipment (UE) may communicate with a cellular network and a wireless local area network (WLAN). In some cases, licensed use and unlicensed use may occur in the same portion of radio frequency (RF) spectrum or in overlapping portions of RF spectrum. In some examples of the techniques described herein, a UE may relay information between networks to coordinate spectrum usage in the same band. For instance, a cellular network may provide channel sharing information to a UE. The channel sharing information may include a request targeted to another network (e.g., a WLAN) to vacate one or more channels in the band, to reduce transmit signal power for one or more channels, or other channel sharing information. The UE may serve to relay the channel sharing information with the other network.

Proposed are a method and device for receiving a PPDU in a wireless LAN system. Specifically, reception STAs receive a PPDU from a transmission STA, and decode the PPDU. The PPDU includes a legacy preamble, an EHT preamble, and a data field. The EHT preamble includes first and second fields. The first field includes information about the type of the PPDU. The second field includes information about the number of the reception STAs to receive the PPDU.

In a wireless local area network system, a reception MLD may include a plurality of reception stations (STAs). The reception MLD may receive, from a transmission MLD, a first physical protocol data unit (PPDU) including data. The reception MLD may transmit, to the transmission MLD, a block acknowledgement (ACK) (BA) frame regarding the first PPDU. The BA frame may include a first association identifier (AID) information field and a second AID information field. The first AID information field may include a first AID field related to an AID of the transmission MLD and an ACK information field regarding the data. The second AID information field may include a second AID field and a power state information field related to whether the plurality of reception STAs are in an awake state or in a doze state, on the basis of the second AID field having a first value.

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

One example according to the present specification relates to a technique related to configuration of a preamble in a wireless LAN (WLAN) system. According to various embodiments, a receiving STA may receive an NDP frame. The NDP frame may comprise a first signal field and a second signal field. The first signal field may comprise first information about a PHY version. The second signal field may comprise second information about transmission of a PPDU, set on the basis of the first information. The receiving STA may perform channel sounding on the basis of the NDP frame.

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.

This application relates to the wireless communication field, and in particular, to critical basic service set (BSS) parameter management method applicable to multiple links and a related apparatus that are applied to, for example, a wireless local area network supporting the 802.11be standard. A first access point (AP) in a first access point multi-link device (AP MLD) generates and sends a first frame, where the first frame indicates critical BSS parameter update count values corresponding to a plurality of APs in the first AP MLD and critical BSS parameter update count values corresponding to a plurality of APs in a second AP MLD, and the second AP MLD is an AP MLD to which a nontransmitted AP belongs in a multiple basic service set identifier (BSSID) set including the first AP.