306 results about "Basic service" patented technology

The present disclosure is related to Intelligent Transport Systems (ITS), and in particular, to service dissemination basic services (SDBS) and / or collective perception service (CPS) of an ITS Station (ITS-S). Implementations of how the SDBS and / or CPS is arranged within the facilities layer of an ITS-S, different conditions for service dissemination messages (SDMs) and / or collective perception message (CPM) dissemination, and format and coding rules of the SDM / CPS generation are provided.

Methods, apparatuses, and computer readable media for basic service set (BSS) channel operation are disclosed. Apparatuses of a station (STA) are disclosed, where the apparatuses comprise processing circuitry configured to decode a first frame, the first frame comprising an extremely-high throughput (EHT) operation information field, the EHT operation information field comprising a channel width subfield and a channel center frequency segment, the channel width subfield indicating a basic service set (BSS) contiguous channel width, and the channel center frequency segment indicating a channel center frequency for the BSS channel width on which the BSS operates in 6 GHz. The processing circuitry further configured to encode for transmission a second frame for transmission on a primary channel within the BSS channel width.

A method and an apparatus for operating a Basic Service Set (BSS) are disclosed. A method involves announcing, by a first wireless device to a second wireless device, a BSS operating channel, wherein the first wireless device has at least one of a first transmission power capability and a first bandwidth capability, the second wireless device has at least one of a second transmission power capability that is less than the first transmission power capability and a second bandwidth capability that is narrower than the first bandwidth capability, and wherein the BSS operating channel is at least one of a punctured operating channel and an unpunctured operating channel, associating, by the second wireless device, with the first wireless device via the announcement of the BSS operating channel from the first wireless device, and exchanging frames between the first wireless device and the second wireless device in the BSS operating channel.

Disclosed is a method for sending data and apparatus, a storage medium, a processor, and an Access Point (AP) terminal. The method for sending data includes: receiving an Overlap Basic Service Set (OBSS) interference signal; determining whether a data sending condition is satisfied according to the OBSS interference signal; determining a plurality of maximum available transmission power corresponding to a plurality of Stations (STAs) in a case where the data sending condition is satisfied; and controlling the sending of the data to a target STA, the target STA being a STA with a maximum of the maximum available transmission power corresponding to the plurality of STAs.

A first station (STA) receives, via a primary channel (PCH), an extended long range (ELR) physical layer protocol data unit (PPDU). Based on failing to identify a basic service set (BSS) color from a first preamble of the ELR PPDU, the first STA receives a portion of a second preamble, following the first preamble, of the ELR PPDU to identify the BSS color. The BSS color identifies a BSS of which a second STA that transmits the ELR PPDU is a member. Based on the BSS color indicating that the ELR PPDU comprises an inter-BSS PPDU, the first STA switches, after receiving the portion, from the PCH to a non-primary channel access (NPCA) PCH.

An apparatus implemented in a master access point (AP) selects at least one basic service set (BSS) from one or more neighbor BSSs to form a spatial reuse group (SRG). The apparatus then performs coordinated spatial reuse (CSR) in the SRG with a set of overlapping basic service set (OBSS) power detection (PD) parameters.

A device for a wireless local area network determines to switch to a new basic service set (BSS) operating channel. The new BSS operating channel includes at least one punctured 20 MHz subchannel. The device transmits channel switch information to announce the switch to the new BSS operating channel. The channel switch information includes a BSS bandwidth of the new BSS operating channel and a disabled subchannel bitmap indicating the at least one punctured 20 MHz subchannel in the BSS operating channel.

This disclosure provides methods, devices and systems that facilitate mobility of wireless communication devices configured for multi-link operation (MLO). Particular aspects more specifically relate to facilitating fast basic service set (BSS) transitions by wireless communication devices that support MLO. For example, some aspects provide support for station (STA) multi-link device (MLD) roaming between access point (AP) MLDs, from an AP MLD to a non-MLO AP, or from a non-MLO AP to an AP MLD. In some aspects, a STA MLD may be configured to use a medium access control (MAC) service access point address (MAC-SAP address) of the AP MLD when re-associating or communicating with a legacy AP or with an AP MLD. In such aspects, the MAC-SAP address may be used by all STAs of the non-AP MLD for fast BSS transitions.

A first access point (AP) includes a processor. The processor is configured to cause the first AP to perform a negotiation for Multi-AP (MAP) target wake time (TWT) coordination. The first AP also includes a transceiver operably coupled to the processor. The transceiver is configured to, during the negotiation for MAP TWT coordination, (i) transmit a MAP coordination request frame, and (ii) receive, from a second AP, a MAP coordination response frame. The second AP is an overlapping basic service set (OBSS) AP for the first AP.

This application provides a wireless communication method and a communication apparatus. This application is applied to a wireless local area network system that supports series protocols such as 802.11be, and Wi-Fi 7, and a next-generation protocol of the 802.11be, for example, Wi-Fi 8. The method includes: An access point 1 generates a radio frame and sends the radio frame, where the radio frame includes a multiple basic service set identifier element and a target wake time element located outside the multiple basic service set identifier element, the target wake time element includes a restricted target wake time parameter of an access point 2 and identification information of the access point 2, and the multiple basic service set identifier element corresponds to a multiple basic service set identifier set to which the access point 1 and the access point 2 belong. The identification information of the access point 2 is included.

In a wireless local area network (WLAN) system, an access point (AP) may acquire, from an overlapping Basic Service Set (BSS), information related to a first allocation slot. The first allocation slot may be a time resource allocated for low-latency traffic of the OBSS, and the low-latency traffic may be a new type of traffic whose delay is set below a preconfigured threshold. The AP may transmit, to its associated STA, information related to a second allocation slot. The second allocation slot may be a time resource allocated for low-latency traffic of a BSS to which the AP belongs.

Systems and techniques are provided for performing wireless communications. In some aspects, a mesh gate includes an access point (AP) interface and a mesh interface, and can monitor a sub-gigahertz wireless radio channel for probe requests. An AP mode of the mesh gate can be activated to turn on the AP interface based on receiving a probe request from a station (STA) in a Basic Service Set (BSS). The mesh gate can wirelessly connect to and perform communications with the STA using the AP interface. The mesh gate can perform communications with one or more mesh nodes in a mesh BSS using the mesh interface, wherein the mesh gate node is configured to provide communications between the STA and the one or more mesh nodes via an interconnection between the AP interface and the mesh interface.

Enhanced protocols and devices may be used to alleviate loss of spectrum efficiency in wideband transmission. The protocols may implement a wideband transmission opportunity (TXOP) truncation where one or more of the channels involved in communication over the wideband are released. In one scenario, an access point (AP) may receive, from a wireless transmit receive unit (WTRU), a first CF-End frame that includes a duration field and a basic service set identifier (BSSID) field that includes an individual / group bit. On a condition that the individual / group bit of the BSSID field has a value of one (1), the AP may determine that a scrambling sequence of the first CF-End frame indicates a bandwidth associated with a transmit opportunity (TXOP) being truncated by the WTRU. The AP may then transmit a second CF-End frame at the bandwidth indicated by the scrambling sequence of the first CF-End frame.

The invention provides a sensing service processing method and computer equipment, which supports a sensing function by designing and expanding related signaling of a basic air interface layer (namely a physical layer and a link control layer) and a basic service layer of a satellite flash system, so that a first service node (G node) in the system can carry out sensing service processing according to a sensing service request. A sensing transmission resource indication for the requested sensing service is sent to a second service node (T node) to determine a radio resource for the sensing service by the second service node, and then the first service node or the second service node can send a sensing radio frame accordingly to determine the radio resource for the sensing service. The service node receiving the sensing wireless frame processes the sensing wireless frame to obtain a sensing result, if the service node does not belong to the sensing request end, the sensing result can be sent to the sensing request end (the first service node or the second service node), and the sensing requirements of different sensing services are met.

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for group formation and sounding for distributed multi-user multiple input multiple output (MU-MIMO). Some implementations include a method of wireless communication. The method includes transmitting, from a first access point of a plurality of access points, an announcement frame for performing a beamforming procedure for a distributed transmission. The distributed transmission includes a transmission from the plurality of access points. The announcement frame includes at least one identifier of a user terminal in a different basic service set than a basic service set of the first access point. The method further includes transmitting a packet for measuring a channel. The method further includes receiving feedback information from the user terminal based on the packet for measuring the channel. The method further includes transmitting the distributed transmission using the beamforming procedure.

The invention provides a communication equipment fault identification processing method and device and an electronic device, the communication equipment comprises a human sensing module, and the method comprises the following steps: carrying out broadcast processing on a basic service set identifier of the communication equipment; determining that the basic service set identifier is different from a media access control address of the communication equipment when it is detected that the basic service set identifier of the communication equipment obtained by broadcasting is provided with a first abnormal mark; and under the condition that the basic service set identifier is different from the media access control address of the communication equipment, determining that the human sensing module of the communication equipment has a fault. Whether the human sensing function of the communication equipment breaks down or not can be effectively detected on the premise of not changing the production measurement process of the existing complete machine communication equipment.

The invention discloses an Internet of Things security chip based on multiple quantum entropy sources, and a security authentication method, device and system. The Internet of Things security chip comprises a static preset quantum entropy unit; a dynamic real-time quantum entropy source circuit; an entropy source fusion and management unit; wherein the entropy source fusion and management unit is configured to support at least two operation modes: (A) a basic service mode: generating a device identifier based on the output of the static preset quantum entropy unit, or providing a true random number based on the output of the dynamic real-time quantum entropy source circuit; (B) a fusion binding mode: taking the output of the static preset quantum entropy unit as an equipment binding parameter, performing cryptographic processing on the output of the dynamic real-time quantum entropy source circuit, and generating a cryptographic material uniquely bound with the equipment; the chip architecture realizes hardware-level binding of equipment identity and password randomness, has the advantages of high security, flexible configuration and controllable cost, and provides an ideal hardware trust root for constructing massive and trusted Internet of Things.

Provided is a radio communication device capable of reducing interference, caused by non-SR transmission, with a basic service set (BSS) performing spatial reuse (SR) transmission. An SR transmission resource control unit (107) of the radio communication device (SR initiator) (100) determines transmission resources for an SR signal to be transmitted by means of SR to a second BSS other than a first BSS to which the radio communication device (100) belongs on the basis of radio quality information transmitted from other radio communication devices (SR responders) in the first BSS. A radio transmission / reception unit (101) transmits the SR signal by using the determined transmission resources.

: Channel switching is a mechanism used to help cope with interference. To facilitate channel switching, there is provided a method which comprises detecting, by a first or second station (STA) and via a primary channel, an overlapping basic service set (OBSS) physical layer protocol data unit (PPDU). After detecting the OBSS PPDU, the method comprises switching, by first STA, from the primary channel to a non-primary channel access (NPCA) primary channel based on a first NPCA switching mode used by the first STA and transmitting, by the first STA to a second STA, which receives it, a first frame via a bandwidth comprising the NPCA primary channel, wherein a transmission time of the first frame is based on a second NPCA switching mode used by the second STA.

Embodiments of the present disclosure relate to a secondary channel communication method, a communication device, and a communication system. The secondary channel communication method comprises: a sending end receives a first message frame in a secondary channel, wherein the first message frame comprises: a first identifier indicating the duration of the first message frame; and the first identifier is set as the duration, sensed by a receiving end, in which an overlapping basic service set physical protocol data unit (OBSS PPDU) occupies a primary channel, or is the same as the duration identified by a second identifier of a second message frame sent by the sending end, so as to ensure that the duration of communication in the secondary channel is not greater than a network allocation vector (NAV) timer duration sensed or set in the primary channel, so that both the sending end and the receiving end can perform communication in the secondary channel, thereby meeting UHR transmission requirements.

A first access point (AP) receives, from a second AP, a first physical layer (PHY) Protocol Data Unit (PPDU). The first PPDU indicates a first basic service set (BSS) color that does not match a BSS color of the first AP, a second BSS color different from the first BSS color, and a PPDU format, for the first PPDU, indicating an inter-BSS PPDU. Based on the PPDU format indicating the inter-BSS PPDU, the first AP determines whether the second BSS color matches the BSS color of the first AP. Based on the second BSS color matching the BSS color of the first AP, the first AP decodes a physical layer service data unit (PSDU) comprised in the first PPDU.

This disclosure provides methods, components, devices and systems for security for coordinated access point (CAP) communications. Some aspects more specifically relate to the establishment of a secret key shared between two or more access points (APs) that are associated with different basic service sets (BSSs) and the use of the shared key to secure pairwise or group-based transmissions between the APs. For example, two or more APs may exchange messages that indicate one or more CAP security-related capabilities of the APs. The APs may establish or otherwise negotiate one or more security schemes for securing the CAP communications between the APs, which may be pairwise CAP communications or group CAP communications. The APs may exchange one or more frames that indicate information for identifying a pairwise or group security key. The APs may exchange CAP communications that are protected in accordance with the established security key.

Disclosed is a station for carrying out non-primary channel access (NPCA). The station comprises: a transmission / reception unit; and a processor. The processor carries out access on a non-primary channel, not a primary channel, when a predetermined condition is satisfied, and does not carry out non-primary channel access when an overlapping basic service set (OBSS) occupies the non-primary channel even if the predetermined condition is satisfied.

Techniques related to ultra-wide-bandwidth (UWB) transmission mechanisms in wireless communications are described. A device (e.g., an access point (AP)) establishes a basic service set (BSS) on a primary link and a secondary link. The device then performs an aggregated bandwidth operation with one or more stations (STAs). The aggregated bandwidth of the primary link and the secondary link depends on the channel availability of each of the primary link and the secondary link.

A method for updating an associated ID (AID) in a network when a Basic Service Set (BSS) color change occurs is provided. The network includes an Access Point (AP) and a plurality of associated stations (STAs). The method includes: detecting a color collision; setting a new BSS color in response to the color collision; configuring an AID update request frame, wherein an updated AID according to the new BSS color is inserted into a subElement Information Element (IE) field of the AID update request frame; and sending the AID update request frame to the plurality of associated STAs to inform the associated STAs of the updated AID.

An AR may provide information about a neighbor AR to a STA before roaming to assist with the STA associating with the neighbor AR. The information may include a BSSID of the neighbor AR and a time until the neighbor AR rotates the BSSID. If the STA fails to discover the neighbor AR while the STA is roaming, the STA can request more information about the neighbor AR from the AR.

The present disclosure provides a communication apparatus and a communication method for multiple-access-point (multi-AP or M-AP) coordination. The communication apparatus may be an access point (AP) comprising: circuitry, which in operation, generates a first frame within a time period obtained by or allocated to the first AP, the first frame comprising a first signal field indicating a time or frequency resource required for the first AP to exchange data in a basic service set (BSS) of the first AP; and a transmitter, which in operation, transmits the first frame to a second AP.

The invention provides a block chain cross-chain test development platform, which comprises a test function development basic service module used for standardizing a test task execution process into three stages and packaging traffic generation and data acquisition services; the tested system universal adaptation module is used for defining a standardized block chain client interface and collecting system internal data through an under-chain instrumentation mechanism; the test function extension module is used for accessing and managing a test function in a plug-in manner through a unified test function interface; the multi-task concurrent scheduling module is used for maintaining a task queue through a scheduling engine, allocating tasks in parallel based on a Worker pool, and tracking and managing the test tasks at the same time; and the test resource management module is used for managing chain-level resources and maintaining the client instance pool to realize intelligent distribution, recovery and cleaning. Therefore, the development efficiency of the cross-chain test function and the automation level of the test process are greatly improved, and powerful support is provided for performance and safety evaluation of a cross-chain system.

A communication method and system for wireless transmission using aggregated physical layer protocol data units (A-PPDUs). An access point (AP) determines an A-PPDU comprising one or more sub-PPDUs, where each sub-PPDU includes a physical layer preamble containing bandwidth information indicating the transmission bandwidth of that sub-PPDU. The bandwidth information may be embedded in a legacy signal (L-SIG) field along with a legacy length (L-length) subfield providing sub-PPDU length. Additional signal (SIG) fields of each sub-PPDU may carry further information including basic service set (BSS) color, station identifiers, modulation and coding scheme (MCS), uplink / downlink identifiers, transmission opportunity (TXOP) values, and padding data. Media Access Control (MAC) fields include receiver and transmitter addresses, which vary depending on whether the A-PPDU is for uplink or downlink transmission, and support multi-link devices (MLDs). Implementations include electronic devices and computer-readable media configured to perform these communication methods for enhanced multi-user and multi-link wireless communication.

The invention discloses a method for managing MCP related dependency. The dependency method comprises the following steps: establishing an MCP dependency list file; mCP dependency analysis and installation are carried out; and performing MCP operation and server life cycle management. And the basic service is directly reused to construct the own application without repeatedly constructing wheels, so that the development efficiency and robustness of the whole ecology are improved.