Abstract: Embodiments of this application provide a physical layer protocol data unit transmission method and an apparatus, The method includes: A first communication apparatus may receive a trigger frame that is for indicating a first resource unit allocated to the first communication apparatus, and sends a physical layer protocol data unit PPDU on a part of or all of the first resource unit, where the first resource unit is a resource unit whose quantity of tones is greater than 996; or the first resource unit is a multiple resource unit MRU, and the MRU includes at least one resource unit whose quantity of tones is greater than or equal to 996.

Abstract: A boric acid derivative of a ?-lactamase inhibitor as represented by formula I, or a pharmaceutically acceptable salt thereof. and a stereoisomer and a rotamer or a tautomer or a deuterated compound of the derivative and salt. The boric acid derivative can be used to treat bacterial infections.

Abstract: This application provides an information transmission method and a communication apparatus. The method includes: A first device sends TWT resource configuration information in a first BSS to a second device. The first device is located in the first BSS, the second device is located in a second BSS, and the first BSS and the second BSS at least partially overlap. According to the information transmission method provided in this application, TWT resource configuration information in a plurality of BSSs is shared among the plurality of BSSs in an OBSS scenario. Therefore, collision can be further avoided during data transmission in different BSSs in the OBSS scenario, thereby improving quality and assurance of data transmission between devices in the plurality of BSSs, and improving efficiency of data transmission in the OBSS scenario.

Abstract: Aspects of the subject technology relate to determining a location of a device using sound that is output from the device. For example, an audio output from one or more speakers of an electronic device may be received at one or more microphones of another electronic device, and used by the other electronic device to determine the location of the electronic device.

Abstract: This application discloses a beamforming report feedback method and an apparatus. The method includes: A first communication apparatus sends a trigger frame to a second communication apparatus; the second communication apparatus feeds back a beamforming report frame to the first communication apparatus after receiving the trigger frame. The trigger frame includes first information, the first information indicates the second communication apparatus to feed back at least one segment of a beamforming report. In addition, the beamforming report frame includes a first segment, the first segment indicates channel information on at least two subcarriers, a space between locations of indexes of any two of the at least two subcarriers in indexes of reference subcarriers is a multiple of N, and Nis an integer greater than or equal to 2. According to the method provided in this application, signaling overheads of the beamforming report can be effectively reduced.

Abstract: A terminal device receives first indication information, where the first indication information indicates the first configuration information of a first signal, and the first configuration information at least includes information about a first resource and a first antenna port number. The terminal device receives the first signal on the first resource and receives a second signal on a second resource, where a second antenna port number corresponding to the second signal is different from the first antenna port number, and the first resource and the second resource overlap. The terminal device determines information in the second signal based on the first signal. In a possible design, the terminal device may determine, based on the first configuration information sent by a network device, a signal sequence carried by the first signal.

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

Abstract: Embodiments of this application disclose a PPDU transmission method and a related apparatus, improving spectral utilization. The method in embodiments of this application includes: A first device receives a trigger frame from a second device, where the trigger frame indicates a first resource allocated to the first device, the first resource includes N resource subunits, the trigger frame includes first indication information, the first indication information separately indicates whether the first device is allowed to perform TB PPDU transmission on each of the N resource subunits when the first device performs trigger-based physical layer protocol data unit TB PPDU transmission by using some of the N resource subunits, and N is an integer greater than or equal to 1; and the first device sends a TB PPDU to the second device on some of the N resource subunits based on the first indication information.

Abstract: Methods and apparatus for providing delivery of content to client devices of a network via both multicast and unicast mechanisms. In one embodiment, a system for use in a managed content delivery network is described to bridge multicast to unicast, so that the total network bandwidth consumption is significantly lower than a corresponding unicast-only delivery solution, yet which still provides improved quality of service and user viewing experience as compared to a multicast-only delivery solution. In addition, various exemplary aspects of the present disclosure are readily adapted for real-time multicast to unicast streaming of audio and data to, among other things, minimize network bandwidth usage, while maintaining the guaranteed delivery of unicast streams with little or no modification to the existing client device logic.

Abstract: Embodiments of this disclosure provide an information transmission method, a communication apparatus, a storage medium, a chip, and a program product. The method includes: receiving, by a first device, a trigger-based frame from a second device, where the trigger-based frame includes distributed resource unit indication information; determining one or more distributed resource blocks based on the distributed resource unit indication information, where each distributed resource block includes N1 data subcarriers and N2 pilot subcarriers, and an absolute value of an index difference between every two data subcarriers of N3 data subcarriers in the N1 data subcarriers is greater than or equal to 4; and sending a response to the trigger-based frame to the second device on the one or more distributed resource blocks.

Abstract: A data transmission method includes: generating a first data packet, where a signaling field in the first data packet includes bandwidth information and space-time stream information, the bandwidth information is used to indicate first bandwidth, and the space-time stream information is used to indicate k first space-time stream quantities corresponding to k receive ends, where k?1; and sending the first data packet to the k receive ends, where a maximum value of the first bandwidth is greater than 160 MHz, and/or the k first space-time stream quantities meet a preset condition, where the preset condition includes: when k=1, a maximum value of the first space-time stream quantity indicated by the space-time stream information is greater than 8, and when k>1, a maximum value of a sum of the k first space-time stream quantities is greater than 8.

Abstract: This application discloses a communication method and a communication apparatus, and may be applied to the field of communication and sensing technologies. The method includes: A first terminal device measures a second signal received on X1 first resources, and sends a measurement result to a network device, where the second signal includes an echo signal of a first signal, and the first signal is a signal sent by the first terminal device; and the measurement result indicates signal quality indication information of the second signal on Y1 first resources, and Y1 is greater than or equal to 1, and is less than or equal to X1. Similar to the first terminal device, another terminal device may also report a measurement result on a corresponding resource to the network device.

Abstract: This application relates to a TB PPDU transmission method and apparatus. The method includes: A station receives a triggering frame from an AP, where the triggering frame includes DRU indication information indicating information about a DRU allocated to the station, and the DRU is one or more of predefined discrete resource blocks. Then, the station determines, based on an indication of the DRU indication information, the DRU allocated to the station, and sends a TB PPDU by using the DRU allocated to the station.

Abstract: This application is applied to a wireless local area network supporting 802.11, to an NDPA frame transmission method and apparatus. The method includes: A beamformer (for example, an AP) generates and sends a universal NDPA frame, where an NDPA variant field (namely, B0 and B1 in a sounding dialog token field) included in the universal NDPA frame is set to any one of 00, 01, 10, and 11, and every two octets following the sounding dialog token field in the universal NDPA frame include one AID 11 or one disambiguation bit. If the AID 11 is in a station information field, the AID 11 is less than or equal to 2007; or if the AID 11 is in an extended common field, the AID 11 is greater than 2007. The disambiguation bit is forcibly set to 1. Embodiments of this application prevent an STA of an earlier version from misreading.

Abstract: A soil testing device includes a housing, a display unit, and at least one sensor assembly. The display unit is disposed on the housing. The at least one sensor assembly is rotatably connected to the housing, and the at least one sensor assembly is electrically connected to the display unit. The at least one sensor assembly is configured to insert into soil and output an electrical signal corresponding to a soil parameter, and the display unit is configured to display a value of the soil parameter corresponding to the electrical signal output by the at least one sensor assembly.

Abstract: A method includes: A transmitter device generates a link adaptation physical layer protocol data unit LA PPDU, where a signal of the LAPPDU on some of resources is a null signal, and the resources include any one or more of the following: a time resource, a frequency resource, a space resource, a time-frequency resource, a time-space resource, a frequency-space resource, and a time-space-frequency resource; the transmitter device sends the LA PPDU to a receiver device; and the receiver device determines a link adaptation result based on the null signal of the LA PPDU on the some of the resources.

Abstract: This application relates to the field of wireless communications. In an embodiment, a data transmission method comprises generating, by an access point (AP), a scheduling frame, wherein the scheduling frame comprises a first user information field that carries first trigger information for one or more first stations (STAs) and a second user information field that carries second trigger information for one or more second STAs; sending, by the AP, the scheduling frame, wherein the scheduling frame further comprises a field indicating the scheduling frame is an extension scheduling frame, the extension scheduling frame has a trigger frame type that complies with a protocol later than the 802.11ax standard protocol.

Abstract: This application describes resource unit indication methods, access points, and stations. In an example method, a resource unit allocation subfield in a trigger frame includes a frequency band range indication and a resource unit indication. The resource unit indication is used to indicate a multi-resource unit (MRU) allocated to a station. The frequency band range indication is used to indicate a frequency band range in which a resource unit (RU) in the MRU is located. For example, the frequency band range indication is used to indicate 80 MHz in which a smallest RU in the MRU is located.

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: This application relates to the wireless communication field, and is applied to a wireless local area network that supports the 802.11be standard. In particular, this application relates to a method including: An access point AP sends a trigger frame, where the trigger frame is used for triggering a station to send an extremely high throughput trigger based physical layer protocol data unit EHT TB PPDU. The station determines, based on one or two of a value indicated by an uplink EHT spatial reuse parameter UL EHT SRP and a value indicated by one or more uplink spatial reuse parameter UL SRP fields in a common information field of the trigger frame, a value indicated by a spatial reuse parameter SRP in a universal signal field U-SIG of the EHT TB PPDU. The STA sends the EHT TB PPDU to the AP.