Abstract: Methods and apparatus for multi-hybrid automatic repeat request (HARQ) transmission are provided. An access point (AP) may transmit a multi-HARQ transmission to a plurality of stations (STAs). The AP may receive a H-ARQ feedback response from the plurality of STAs. The H-ARQ feedback may include a field to indicate that the H-ARQ feedback is a codeword (CW)/CW group (CWG) based acknowledgment. The H-ARQ feedback may include a packet identification (ID). The packet ID may be a HARQ transmission ID, a sequence number, a MPDU ID or a PPDU ID. The packet ID may be carried in a PLCP header. The H-ARQ feedback may be an aggregated CW/CWG acknowledgment. The H-ARQ feedback may be carried in a null data packet (NDP). A PLCP header of the NDP packet may include a wideband PLCP header and a narrow band PLCP header.

Abstract: Systems, methods, and instrumentalities are disclosed for concurrent link setup and downlink data retrieval, e.g., for high efficiency WLAN. An access point (AP) may send a trigger element that allocates a resource for pre-association transmissions with the AP. The trigger element may allocate the resource for random access and/or deterministic access. The AP may receive, from an unassociated STA, a first frame via one or more resource units (RUs) allocated in the trigger element. The AP may determine a pre-association identifier (PID) that identifies the unassociated STA. The AP may send the PID to the unassociated STA, for example, in the trigger element or in the multi-STA ACK. The AP may send a second frame associated with a multi-user (MU) transmission that includes the PID. The AP may send a trigger frame that includes the PID.

Abstract: Methods for enabling multi-link millimeter wave (mmW) beam training are provided herein. A method performed by a station (STA), may include: receiving, on a sub-7 GHz link of the STA, a null data packet (NDP) announcement (NDPA) frame, wherein the NDPA includes information to initiate a millimeter wave (mmW) beam training process; determining that at least one STA Info field included in the NDPA frame includes an association ID (AID) subfield that matches an AID associated with the STA; receiving, based on information included in the STA Info field, one or more NDP physical layer protocol data units (PPDUs) on a mmW link; and transmitting, on the sub-7 GHz link, a beam training feedback report based on the one or more NDP PPDUs received on the mmW link.

Abstract: Systems, methods, and instrumentalities are disclosed for adaptation of multiple input multiple output (MIMO) mode in mmW Wireless Local Area Network (WLAN) systems. A first station (STA) may receive a mode change request from a second STA. The mode change request may indicate a mode change for a MIMO mode, a polarization mode, and/or an orthogonal frequency-division multiple access (OFDMA) mode. The mode change request may include one or more STA fields. The one or more STA fields may include a STA field associated with the first STA. Each of the one or more STA fields may include a MIMO mode subfield, a polarization mode subfield, and/or an OFDMA mode subfield. The first STA may change the MIMO mode, the polarization mode, and/or the OFDMA mode, for example, based on the mode change request. The first STA may send a mode change response to the second STA.

Abstract: Methods and apparatuses are related to multi-user parallel channel access (MU-PCA). For example, a wireless transmit/receive unit (WTRU) is provided that is one of the plurality of WTRUs operable to simultaneously communicate via a plurality of channels managed by an access point (AP). The WTRU includes a receiver configured to receive, from the AP, over at least one channel of the plurality of channels, a group poll (G-Poll) message that includes a resource allocation that indicates at least one allocated channel of the plurality of channels for the WTRU; and a transmitter configured to transmit an uplink request message, to the AP in response to the G-Poll message, over the at least one allocated channel of the plurality of channels, the uplink request message corresponding to uplink data the WTRU has for transmission to the AP.

Abstract: This disclosure provides an always on display method and a related apparatus. In the method, when the electronic device is in a screen-doze state, it may be first determined whether the electronic device is in a folded state and then determined whether a condition for displaying an AOD interface is satisfied, such as recognizing a human face or a human eye, or the like, and may determine a screen displaying an AOD interface. In this way, the AOD interface can be better displayed based on a user requirement.

Abstract: A station may receive a frame transmitted to a plurality of STAs. The frame may indicate a first frequency resource allocated for the STA and a second frequency resource allocated for another STA of the plurality of STAs. The STA may transmit a data frame using the first frequency resource and receive an acknowledgement frame that acknowledges receipt of the data frame. The STA may receive a MU RTS frame transmitted to the plurality of STAs and may subsequently transmit a CTS frame in response to receipt of the MU RTS frame. The RTS/CTS transmissions may occur prior to transmission of the data frame.

Abstract: Method and devices for cross-link signaling are described in which a multi-link device (MLD) communicates to another device using a first wireless link and a secondary wireless link. Control and response information for establishing/maintaining the secondary wireless link may be communicated in signaling fields of a frame over the first wireless link to enable a more reliable control information exchange than may otherwise be available via the secondary wireless link. In some embodiments, the first wireless link is a sub-7 GHz link and the secondary wireless link is a mmWave link. Signaling used for configuring parameters of the first wireless link, e.g., control field, A-Control subfield of HT Control field, Control Frame, BQR control subfield, HLA control subfield, TRS control field, etc., may be enhanced to provide related signaling for another separate link (secondary link) between devices that do not carry the signaling information.

Abstract: A station (STA) multilink device (MLD) may comprises a first STA affiliated with the STA MLD and a second STA affiliated with the STA MLD. The first STA may be configured to receive, from a first access point (AP) affiliated with an AP MLD, a first management frame over a first link. The first management frame may comprise timestamp information. The first STA may be configured to receive, from the first AP, a second management frame over the first link. The second management frame may comprise a time synchronization function (TSF) offset. The second STA may be configured to receive, from a second AP affiliated with the AP MLD, based on the timestamp information and the TSF offset, at least one third management frame from a set of third management frames over a second link. The at least one third management frame may be transmitted using a sector sweep.

Abstract: Methods and apparatuses are disclosed for a station (STA) in a Wireless Local Area Network (WLAN) to indicate its intent to transmit high priority traffic, such as low latency traffic, over a shared wireless medium. Multiple embodiments for the transmission by a STA of a signal referred to as a Low Latency Traffic Indication (LLTI) as well as low latency traffic are disclosed. An Access Point (AP) manages the conditions subject to which STAs may transmit the LLTI and contend for the wireless medium for the purpose of transmitting low latency traffic. Various procedures for negotiating said conditions between an AP and a STA are also disclosed. Multiple embodiments of methods and apparatuses are disclosed.

Abstract: In a path determining method, a first device obtains a path health degree of a forwarding path from a source network element to a destination network element, where the path health degree is based on network element health degrees of network elements and link health degrees of links in the forwarding path, the network element health degree is based on a network element fault type and a network element fault occurrence frequency within a first monitoring periodicity, and the link health degree is based on a link fault type and a link fault occurrence frequency within a second monitoring periodicity; and determines a target forwarding path based on constraint information and the path health degree, where the constraint information includes health degree constraint information, and the health degree constraint information indicates a condition that a path health degree of the target forwarding path is to meet.

Abstract: A method of multi-access point (multi-AP) communication performed by a wireless transmit/receive unit (WTRU) comprises: receiving a first trigger frame from a first access point (AP) of a plurality of APs, the first trigger frame comprising first information; receiving a second trigger frame from a second AP of the plurality of APs at a predetermined time duration after receiving the first trigger frame, the second trigger frame also comprising the first information of the first trigger frame; generating a synchronization frame based on the first trigger frame and the second trigger frame, the synchronization frame comprising synchronization information; transmitting the synchronization frame to at least the first AP and the second AP; and receiving a data transmission based on the synchronization information from each of the first AP and the second AP.

Abstract: Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed physical layer signaling in a wireless local area network system are provided. Among the methods is a method that may include any of generating an extremely high throughput (EHT) physical (PHY) layer protocol data unit (PDU) (PPDU) based on a PPDU format defining a preamble comprising (i) a fixed duration universal signaling (U-SIG) field, (ii) an EHT signaling (EHT-SIG) field, and (iii) an EHT short training field (EHT-STF), wherein the U-SIG and EHT-SIG fields respectively comprise an extra signaling indicator and extra signaling to support a third feature; and transmitting the U-SIG and EHT-SIG fields on a first bandwidth segment, followed by the EHT-STF on any of the first bandwidth segment and a second bandwidth segment, followed by (iii) an EHT data field on any of the first and second bandwidth segments.

Abstract: A method performed by a station (STA) associated with a first access point (AP), wherein the first AP is part of a multi-AP (MAP) set comprising the first AP and at least a second AP, may compromise: receiving, from the second AP that the STA is not associated with, a null data packet announcement (NDPA) frame, the NDPA frame including a Special STA Info field including an association identifier (AID) relating to the association between the STA and the first AP; receiving a null data packet (NDP) frame from the second AP that the STA is not associated with; and transmitting, to the first AP, feedback based on the NDP frame.

Abstract: Methods and apparatuses are described herein for multiple AP coordination in wireless local area networks (WLANs). For example, a station (STA) may receive, from a first access points (APs), a probe response frame that includes one or more indicators indicating multiple AP operation capabilities of the first AP and a second AP. The STA may transmit, to at least one of the first AP or the second AP, a multiple AP association request frame that enables the first AP to be associated with the second AP for a multiple AP operation. The STA may receive, from the first AP, a first multiple AP association response frame indicating acceptance or rejection of the multiple AP operation with the first AP. The STA may receive, from the second AP, a second multiple AP association response frame indicating acceptance or rejection of the multiple AP operation with the second AP.

Abstract: The present application discloses a photovoltaic module, manufacturing methods thereof, and screen printing stencils. In one example, an photovoltaic module includes a solar cell body, a connection portion, a first bonding layer, and an electrical connector. The connection portion is arranged on a first surface of the solar cell body and includes a first connection portion and a second connection portion arranged at intervals along a first direction. The first bonding layer is arranged on a surface of the first connection portion away from the solar cell body. The first bonding layer includes at least two first bonding strips having a strip-shaped structure. The at least two first bonding strips extend along a second direction and are arranged at an interval along the first direction. The electrical connector is arranged on the first bonding layer and is electrically connected to the first connection portion through the first bonding layer.

Abstract: Embodiments of this disclosure provide a two-dimensional code display method, an electronic device, a chip, and a storage medium, and relate to the field of terminal technologies. When the electronic device is in a folded state, if an operation of triggering display of a two-dimensional code on a back screen is received, a screenshot of a payment application is obtained, and whether the screenshot of the payment application includes a two-dimensional code is monitored. If the two-dimensional code is not displayed, a two-dimensional code display task on the back screen is moved to the main screen, and an interface of the payment application is displayed on the main screen. In this way, a user can find that the back screen fails to display the two-dimensional code without a need to flip the screen.

Abstract: An access point (AP) is configured to: transmit a first simultaneous transmission and reception (STR) request message to a first station (STA), transmit a second STR request message to a second STA, receive a first STR response message from the first STA based on the transmitted first STR request message, and to receive a second STR response message from the second STA based on the transmitted second STR request message. The second STR response message from the second STA is received after the first STR response message is received from the first STA. The second STR response message comprises an indication that STR transmission is allowed. The AP is configured to transmit a first trigger message, based on the indication that the STR transmission is allowed. The first trigger message indicates a STA role field. The AP is configured to receive interference information from the first STA.

Abstract: A 3D printing device (100), comprising a melt extrusion module (102), a printing module (103), and a platform module (104). The melt extrusion module (102) comprises a processing chamber (121) consisting of a feed inlet (124) and a discharge outlet (125), as well as an extrusion means (122) and a heating means (123) disposed at the processing chamber; the melt extrusion module (102) is configured to receive an initial material from the feed inlet (124) of the processing chamber (121), and heat and extrude the initial material to convert the initial material into a molten body, which is extruded out of the discharge outlet (125) of the processing chamber (121). The printing module (103) is communicated with the discharge outlet (125) of the processing chamber (121) and is provided with a nozzle (131); the printing module (103) is configured to receive the molten body extruded from the discharge outlet (125) of the processing chamber (121) and guide the molten body to be extruded out of the nozzle (131).

Abstract: The disclosure herein describes using a transcript generation model for generating a transcript from a multi-speaker audio stream. Audio data including overlapping speech of a plurality of speakers is obtained and a set of frame embeddings are generated from audio data frames of obtained audio data using an audio data encoder. A set of words and channel change (CC) symbols are generated from the set of frame embeddings using a transcript generation model. The CC symbols are included between pairs of adjacent words that are spoken by different people at the same time. The set of words and CC symbols are transformed into a plurality of transcript lines, wherein words of the set of words are sorted into transcript lines based on CC symbols, and a multi-speaker transcript is generated based on the plurality of transcript lines. The inclusion of CC symbols by the model enables efficient, accurate multi-speaker transcription.