Abstract: A motion sensory and imaging device capable of acquiring imaging information of the scene and providing at least a near real time pass-through of imaging information to a user. The sensory and imaging device can be used stand-alone or coupled to a wearable or portable device to create a wearable sensory system capable of presenting to the wearer the imaging information augmented with virtualized or created presentations of information.

Abstract: A spliced screen and a display terminal are disclosed. In the spliced screen, a structural component is disposed on two adjacent display panels and covers a splicing gap between the two adjacent display panels. A lamp plate is disposed on a surface of the structural component. When the spliced screen displays an image, a plurality of luminescent bodies disposed on the lamp plate close to the display panels also emit light, thereby preventing black strips from appearing on the image. In the spliced screen, a viewing angle of the display panels and a viewing angle of the lamp plate are same, so that a brightness of the display panels and a brightness of the lamp plates are same when the spliced screen is viewed from a lateral side. As such, display quality is improved.

Abstract: The present disclosure provides a display panel and a display panel manufacturing method. The display panel includes a drive circuit layer, a color photoresist layer disposed on the drive circuit layer, a common electrode layer disposed on the color photoresist layer, and a pixel electrode layer disposed on the common electrode layer. The drive circuit layer is provided with a common wire, the common electrode layer is provided with a transparent electrode, the transparent electrode is electrically connected to the common wire, and the pixel electrode layer is provided with a plurality of pixel electrodes.

Abstract: Embodiments of a method and an apparatus for wireless communications are disclosed. In an embodiment, a method for wireless communications involves encoding bits in a Physical Layer Protocol Data Unit (PPDU) using a basic bandwidth that is smaller than a signal bandwidth, wherein the bits are duplicated within the PPDU, and transmitting the PPDU with duplicated bits in accordance with a power spectrum density (PSD) limit.

Abstract: A method and system comprises receiving a signal over an air interface. A binary sequence is detected in the signal. A legacy signal (L-SIG) field of a physical layer protocol data circuit (PPDU) is decoded based on the detected binary sequence and based on decoding the L-SIG field, two spoofing symbols which directly follow the L-SIG field is checked in the PPDU, wherein the two spoofing symbols comprise binary phase shift keying (BPSK) symbols. Based a presence of the two spoofing symbols, a long range portion of the PPDU is processed; and based on an absence of the two spoofing symbols, the PPDU is processed as a legacy PPDU.

Abstract: One example discloses a first-device: wherein the first-device is configured to be coupled to a second-device over an IEEE 802.11 communications link; and wherein the first-device is configured to, store a current setup between the first-device and the second-device; identify a unique identifier of the second-device; transmit a request frame to a third-device; wherein at least one of the second-device and third-device is a multi-link-device (MLD); wherein the request frame is configured to request an association with the third-device and includes the unique identifier of the second-device; receive a response frame from the third-device; and wherein the response frame includes an indication that request was successful.

Abstract: A communication device generates a first packet to include a first indication of one or more first frequency subchannels in a first frequency segment that will be utilized to transmit the first packet. The communication device also generates a second packet to include a second indication of one or more second frequency subchannels in a second frequency segment that will be utilized to transmit the second packet. The communication device simultaneously transmits the first packet via the first frequency segment and the second packet via the second frequency segment.

Abstract: In an 802.11be wireless system, a receiving station device signals a packet padding capability in a wireless area network in accordance with an Extremely High Throughput (EHT) communication protocol by constructing a MAC control management frame to include an EHT capability element indicating whether a packet extension value longer than 16 ?s is supported by the receiving station device, where one or more fields in the EHT capability element include (1) a common nominal packet padding field having a plurality of values to signal different packet extension values for use with all transmission constellations, spatial streams NSS, and resource unit (RU) allocations supported by the first STA device, including at least one packet extension value longer than 16 ?s; and/or (2) a PHY packet extension threshold (PPET) field comprising a plurality of PPET values to signal packet extension values including at least one packet extension value longer than 16 ?s.

Abstract: A first communication device transmits first bitmap length capability information for the first communication device regarding block acknowledgment procedures, and receives second bitmap length capability information for a second communication device regarding block acknowledgment procedures. The first communication device performs a block acknowledgment procedure, including setting a block acknowledgment transmission window size for the block acknowledgment procedure based on the second bitmap length capability information for the second communication device, and a determination of whether a block acknowledgement frame used in the block acknowledgment procedure is a compressed block acknowledgement (C-BA) frame or a multi-station (multi-STA) block acknowledgement frame.

Abstract: One example discloses an access point (AP) device for use within a wireless local area network (WLAN), including: a controller configured to send a client-to-client sounding subvariant sensing trigger frame (TF) over the WLAN to first client station (STA1) device and a second client station (STA2) device; wherein the STA1 is configured to send a sensing message in response to receiving the client-to-client sounding subvariant sensing TF; wherein the AP controller is configured to send a reporting subvariant sensing TF to the STA2 after the sensing message is sent by the STA1; wherein the STA2 is configured to send a measurement report frame to the AP in response to receiving the reporting subvariant sensing TF; and wherein the measurement report frame includes a set of channel state information (CSI) that characterizes a WLAN channel between the STA1 and the STA2.

Abstract: A method and system for generating an extended range (ER) physical layer protocol data unit (PPDU) is disclosed. The PPDU has a legacy portion of the ER PPDU which comprises one or more of a legacy short training field (L-STF), a legacy long training field (L-LTF), and a universal signaling (U-SIG) field and an ER portion of the ER PPDU which is appended to the legacy portion. The ER portion comprises one or more repetitions of a ER short training field (ER-STF), a ER long training field (ER-LTF), a ER-signal (ER-SIG) field, and a ER data field. In an example, signals indicative of the one or more repetitions for a same field are combined by a receiver to increase a signal to noise ratio of a field.

Abstract: Systems and methods are provided for introducing time diversity in a transmitter. The systems and methods may include receiving, at the transmitter, a request from a receiver to retransmit data. The systems and methods may further include receiving an input of data corresponding to the data requested for retransmission at a first transmitter block. The systems and methods may further include operating on the signals using the first transmitter block in at least one of a first mode and a second mode, such that an output of signals from the first transmitter block is dependent on a time-varying function and corresponds to the data requested by the receiver for retransmission.

Abstract: A communication device selects a frequency bandwidth via which a physical layer (PHY) protocol data unit (PPDU) will be transmitted in a vehicular communication network, and generates, the PPDU i) according to a downclocking ratio of 1/2, and ii) based on an orthogonal frequency division multiplexing (OFDM) numerology defined by an IEEE 802.11ac Standard. In response to the selected frequency bandwidth being 10 MHz, the PPDU is generated according to the downclocking ratio of 1/2 and based on the OFDM numerology defined by the IEEE 802.11ac Standard for 20 MHz PPDUs. In response to the selected frequency bandwidth being 20 MHz, the PPDU is generated according to the downclocking ratio of 1/2 and based on the OFDM numerology defined by the IEEE 802.11ac Standard for 40 MHz PPDUs.

Abstract: A wireless network interface of a first client station negotiates with an access point a first component channel of an operating channel via which the first client station is to receive wakeup frames from the access point. A wakeup radio of the first client station receives a wakeup packet from the access point. The wakeup packet spans the operating channel, which comprises at least four component channels, and one or more of the component channels within the operating channel are punctured so that the access point does not transmit the wakeup packet in the one or more component channels that are punctured. The wakeup packet includes a first wakeup frame for the first client station in the first component channel and one or more respective second wakeup frames for one or more second client stations in one or more respective second component channels.

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless device includes a wireless transceiver configured to communicate with a first device that is compatible with a first wireless communications protocol and a second device that is compatible with a second wireless communications protocol and a controller configured to announce different channel configurations for the first device that is compatible with the first wireless communications protocol and the second device that is compatible with the second wireless communications protocol when performing channel switch.

Abstract: 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.

Abstract: Embodiments of the present disclosure provide a method and an apparatus of interaction video connection, an electronic device, and a storage medium. The method includes: receiving interaction match information pushed by a server, where the interaction match information includes first information of a second client, the first information of the second client is determined according to first data of a first client, the first data is used to indicate a match demand category corresponding to the first client; generating timing information, and displaying, according to the interaction match information, the timing information and the first information of the second client, where the timing information indicates a remaining duration before requesting an establishment of a video connection with the second client; and establishing, according to the timing information, the video connection with the second client.

Abstract: A deep groove ball bearing having an inner ring, an outer ring and a plurality of rolling elements set between the inner and outer rings. The rolling elements have a diameter DW?0.5H1, up to DW?0.35H1. H1 is the radial dimension of the bearing in the sense of thickness and is numerically equal to half of the difference between the outer diameter and inner diameter of the bearing.

Abstract: A preamble of physical layer (PHY) data unit includes a first legacy portion and a first non-legacy portion that follows the first legacy portion. The first non-legacy portion includes i) a first orthogonal frequency division multiplexing (OFDM) symbol that immediately follows the first legacy portion and that is modulated using binary phase shift keying (BPSK), and ii) a second OFDM symbol that immediately follows the first OFDM symbol and that is modulated using BPSK modulation rotated by 90 degrees (Q-BPSK). The modulation of the first and second OFDM symbols indicates to a receiver device that conforms to a first communication protocol that the data unit conforms to the first communication protocol. The first OFDM symbol being modulated using BPSK modulation causes a receiver device that conforms to a second communication protocol to determine that the PHY data unit conforms to a third communication protocol.

Abstract: A bearing cage is used for accommodating the rolling elements of a rolling bearing; wherein, the bearing cage comprises an annular cage base; when the bearing cage is inserted and installed in the rolling bearing, there is a first circumferential radial clearance between an outer circumferential surface of the cage base and an inner circumferential surface of an outer ring shoulder of an outer ring, and a second circumferential radial clearance between an inner circumferential surface of the cage base and an outer circumferential surface of an inner ring shoulder of an inner ring; the first circumferential radial clearance is smaller or larger than the second circumferential radial clearance. A rolling bearing comprises the bearing cage as described above.