Abstract: This application relates to the field of wireless communication, and in particular, to a multi-channel hybrid transmission technology. In an embodiment, a data transmission method comprises: generating, by a first wireless communications device, a physical protocol data unit (PPDU), wherein the PPDU comprises a legacy short training field (L-STF), a legacy long training field (L-LTF), a legacy signal field (L-SIG), and two signature symbols after the L-SIG in a time-domain, and wherein the two signature symbols are identical and are modulated based on binary phase shift keying (BPSK), the two signature symbols identify a wireless communications standard the PPDU complies with; and transmitting, by the first wireless communications device, the PPDU to a second wireless communications device.

Abstract: A method of communication includes duplication of a first field of a first content channel into a third field in a third content channel and applying a modulation and coding scheme (MCS) to only one of the first field and the third field. The first content channel is a first portion of a frame and the third content channel is a third portion of the frame. Duplication of a second field of a second content channel into a fourth field in a fourth content channel and applying a modulation and coding scheme (MCS) to only one of the second field and the fourth field. The second content channel is a second portion of a frame and the fourth content channel is a fourth portion of the frame. The first content channel and the second content channel form a first group of content channels and the third content channel and the fourth content channel form a second group of content channels. The method then transmits the frame.

Abstract: A signal field indication method and apparatus are provided. The method includes: generating, by a transmit end, a PPDU, where the PPDU includes a SIG-A indication field, and the SIG-A indication field includes at least one of a field used to indicate a number of SIG-A information symbols and a field used to indicate a SIG-A information bandwidth; and sending, by the transmit end, the PPDU. According to the method provided in this application, the transmit end may indicate different numbers of SIG-A information symbols and/or different SIG-A information bandwidths.

Abstract: In an information transmission method, a sending device sends a data frame to a receiving device. The data frame occupies a transmission resource block, a bandwidth occupied by the transmission resource block is greater than 160 MHz, and the data frame comprises resource unit RU allocation information. The sending device determines indication information based on a resource block size indicated by the RU allocation information and a location of a 160 MHz channel within the bandwidth occupied by the transmission resource block, with the 160 MHz channel having more data tones in the transmission resource block. The sending device determines a response resource block based on the indication information and the RU allocation information, and then receives an acknowledgment frame for the data frame from the receiving device on the response resource block.

Abstract: In a method, a PPDU is generated, where the PPDU includes resource allocation information, and the resource allocation information is related to a channel bitmap in a beacon frame; and the PPDU is sent. According to the resource allocation indication method and apparatus provided in the embodiments of this application, an unavailable channel is indicated through an indication of the PPDU, so that a receive end can be prevent from performing transmission on the unavailable channel.

Abstract: The technology of this application relates to a data transmission method and apparatus. The method includes sending, by a first device, first indication information in a first frequency band, and the first indication information is indicative of a resource in a second frequency band, used by the first device and the second device to perform data transmission, performing, by the first device, based on the scheduling information, data transmission with the second device, using the resource in the second frequency band. The data transmission method and apparatus in embodiments of this application can schedule a device based on a plurality of frequency bands to perform data transmission. In this way, a larger bandwidth is used, a throughput rate is increased, and system performance is improved.

Abstract: This application provides a method for transmitting a wake-up packet in a communications system and a device. The communications system includes a transmit end device and a receive end device. The receive end device includes a wake-up receiver and a main transceiver. The method includes: sending, by the transmit end device, a first wake-up packet WUP to the wake-up receiver by using a first data rate; determining, by the transmit end device, a second data rate; and sending, by the transmit end device, a second WUP to the wake-up receiver by using the second data rate. The transmit end device can determine a proper data rate for sending a wake-up packet based on a specific transmission condition in a communication process, thereby improving transmission efficiency of the wake-up packet.

Abstract: The present disclosure suggests to expand and improve the method of utilizing channel resources in the 802.11be standard by allowing the use of multiple and non-contiguous portions of a channel. Supporting multiple resource units (MRUs) and non-contiguous resource units (RUs) improves the channel utilization by making it more efficient due to enhancing the capability of leveraging the channel selectivity. To this end, a wireless network device for resource allocation is provided and configured to define a non-contiguous MRU in the bandwidth of the channel. The channel includes a plurality of RUs, and the non-contiguous MRU is defined based on non-punctured RUs after puncturing one or more of the RUs of the channel, and/or is defined by aggregating two or more non-adjacent RUs of the channel.

Abstract: An energy storage inverter, including: a substrate and at least one heat pipe set. The substrate is provided with an electronic element on one side and provided with a heat sink on the other side. The heat pipe set is arranged on one side of the heat sink close to the substrate and is connected to the heat sink. The heat pipe set includes at least one first heat pipe. The first heat pipe includes main body portion and extension portion. Along length direction of the main body portion, the extension portion is located on at least one side of the main body portion and is in communication with the main body portion. An angle is formed between the extension portion and the main body portion, and a ratio of a length of the main body portion to a length of the extension portion ranges from 4.3 to 4.5.

Abstract: A transmitter sends a PPDU including a signature symbol to a receiver, where a first preset bit in the signature symbol indicates a standard version corresponding to the PPDU and/or a value of each bit in a second preset bit is 0 or 1. After the receiver receives the PPDU, if the standard version corresponding to the PPDU indicated by the first preset bit in the signature symbol in the PPDU is a standard version corresponding to a first PPDU and/or the value of each bit in the second preset bit in the signature symbol is the same as the preset value, the receiver determines that the received PPDU is the first PPDU. the transmitter and the receiver determine, by using the signature symbol in the PPDU, whether the received PPDU is the first PPDU, to identify the first PPDU, so that information in the received PPDU is correctly interpreted.

Abstract: Disclosed are compositions, methods, and kits that can be used to Epstein-Barr virus (EBV) in a sample undergoing testing. Nucleic acids of EBV can be isolated, amplified and detected with specificity, and without interference from non-EBV organisms. In some embodiments, nucleic acids used for amplification are isolated from human blood, or blood products. Nucleic acid isolation, amplification and detection steps can all be carried out using an automated instrument.

Abstract: A soil testing device includes a housing and at least one sensor assembly rotatably connected to the housing. The at least one sensor assembly is configured to insert into soil and to output an electrical signal corresponding to a soil parameter to be displayed on a display unit. The at least one sensor assembly includes a rotating portion and a detecting rod, the rotating portion is connected with the detecting rod, and the rotating portion is disposed in the housing, the detecting rod extends out of the housing from an interior of the housing.

Abstract: A method for sending a wireless local area network packet structure is provided, and the method comprises: determining a packet structure, where the packet structure comprises an HE-SIGA and an HE-SIGB, the HE-SIGA comprises an indication information, and if a current transmission mode is a full bandwidth MU-MIMO transmission, the indication information is used to indicate a number of scheduled users, or if the current transmission mode is other transmission mode, the indication information is used to indicate a number of symbols in the HE-SIGB; and sending the packet structure.

Abstract: A power component submount includes a ceramic substrate, a sputtering layer formed on the ceramic substrate, a conductive block formed on the sputtering layer, and three electroless plating layers that are sequentially stacked on the conductive block. The sputtering layer includes an electroplating portion. The conductive block is formed on the electroplating portion, and bottoms of the three electroless plating layers are connected to the ceramic substrate. Materials of the three electroless plating layers are gold, palladium, and gold, respectively; or, materials of the three electroless plating layers are nickel, palladium, and gold, respectively. One of the three electroless plating layers arranged away from the conductive block is provided for allowing a power component to be mounted thereon.

Abstract: Embodiments of this application provide a data transmission method and a related apparatus. The method includes: the first node sends the to-be-sent frame whose classification attribute value belongs to the first frequency block classification range to the second node by using the first frequency block. In this case, a throughput rate of a frequency block can be increased or an overall latency level of the frequency block can be reduced, thereby improving satisfaction of an upper-layer service requirement. And the classification attribute value of the to-be-sent frame includes at least one of the following information: a frame type, a transmission rate, quality of service, a quality of service access category, a spatial stream, sending duration, a data packet format, or a data packet bandwidth. In the embodiments of this application.

Abstract: Provided herein are, inter alia, methods of identifying agents that are capable of inhibiting the binding (e.g., coupling) between a ROR1 protein and a ROR2 protein. By interfering with ROR1-ROR2 coupling (binding) the agents identified using the methods provided herein inhibit non-canonical Wnt5a signaling. Thus, the agents identified by the methods provided herein may, inter alia, be useful for cancer diagnosis and therapy.

Abstract: The present application provides a composite coating agent for a positive electrode material, including a first coating agent, a second coating agent and a third coating agent. The first coating agent is a hydroxide, an oxide, a sulfide, a nitrate or a carbonate of a first coating element, the second coating agent is a hydroxide, an oxide, a sulfide, a nitrate or a carbonate of a second coating element, and the third coating agent is a hydroxide, an oxide, a sulfide, a nitrate or a carbonate of a third coating element. In the composite coating agent disclosed by the present application, different elements are compounded on the surface of the positive electrode material so as to reduce excessive precipitation of Li in the positive electrode material, lower the formation of residual alkali, mitigate the generation of micro-cracks on the surface of the positive electrode material.

Abstract: A substrate module includes a first substrate and a semiconductor unit. The semiconductor unit is disposed on the first substrate. The semiconductor unit includes an active layer and a first electrode. The active layer has a surface. The first electrode is at least partially overlapped with the active layer and contacts the surface. The active layer has a first range and a second range, and the first range is closer to the surface than the second range. A first zinc concentration is higher than a first gallium concentration in the first range.

Abstract: A resource indication method includes generating, by an access point, resource mapping information, where the resource mapping information includes a plurality of mapping segments, each mapping segment is associated with a frame type, each mapping segment includes a plurality of resource indicators, and each resource indicator indicates a resource allocated to a station in a frame corresponding to a frame type associated with a mapping segment to which the resource indicator belongs, and sending, by the access point, the resource mapping information.

Abstract: A signal transmission method and an apparatus are provided. The method includes: A sending device generates a sequence of a demodulation reference signal, and maps the sequence of the demodulation reference signal to a time-frequency resource of the demodulation reference signal for sending. The demodulation reference signal is used to estimate a channel state of a first channel, and the first channel carries uplink data. The time-frequency resource includes frequency-domain resources corresponding to a first CDM group, and the frequency-domain resources corresponding to the first CDM group are non-contiguous and equally spaced.