Abstract: This application provides a communication method and apparatus. The method includes: A first communication apparatus sends first information to a second communication apparatus. The first information may include at least one of: a first parameter, a second parameter, or a third parameter. The first parameter indicates a feedback manner of a CIR measurement report, the second parameter indicates a reference CIR tap, and the third parameter indicates configuration of a noise threshold. Therefore, in the method, at least one of the first parameter, the second parameter, or the third parameter is added to the first information, to support flexible configuration of a sensing control parameter, and help flexibly feed back the CIR measurement report. This meets requirements of different application scenarios.

Abstract: A communication method includes: A first device receives a plurality of NDPs from a second device, where one of the plurality of NDPs corresponds to one piece of CSI; and when a first condition is met, the first device sends first information to a third device, where the first information indicates that a CSI change degree exceeds a first threshold; and the first condition includes: a first CSI change degree in a plurality of CSI change degrees of the first device exceeds the first threshold, or a ratio of a quantity of CSI change degrees that exceed the first threshold in the plurality of CSI change degrees to the plurality of CSI change degrees is greater than a second threshold, where the plurality of CSI change degrees are determined based on pieces of CSI corresponding to the plurality of NDPs.

Abstract: This application relates to an information exchange method in a UWB system, and an apparatus. The method includes: sending/receiving sensing control information, and determining a channel based on the sensing control information, where the channel satisfies a predefined condition. This application can be used to complete a sensing solution, for example, sensing measurement based on frequency stitching, and improve sensing performance. This application is applied to a UWB-based WPAN system, a sensing system, or the like, including 802.15 series protocols, for example, 802.15.4ab or a next-generation standard; and may further be applied to a WLAN system with a next-generation protocol (for example, 802.11be, Wi-Fi 7, or EHT) of 802.11ax, a next-generation protocol (for example, Wi-Fi 8, UHR, or 11bn) of 802.11be, Wi-Fi AI, a millimeter wave, or the like.

Abstract: A method, a device, and a storage medium for presenting a bullet comment are provided. The method includes: determining at least one layer of surrounding bullet comment tracks in a virtual space; and in response to any current bullet comment obtained in the virtual space, determining a presentation position of the current bullet comment in the at least one layer of surrounding bullet comment tracks, and presenting the current bullet comment at the presentation position.

Abstract: Embodiments of this application disclose example scheduling methods for an ultra-wideband (UWB) and related products. This application may be applied to a UWB-based wireless personal area network system, a sensing system, a positioning system, a ranging system, or a communication system, and may be further applied to a wireless local area network system that supports 802.11 series protocols such as 802.11be or Wi-Fi 7, and a next-generation protocol of 802.11be. In one example method scheduling information is generated, where the scheduling information includes a first field and a second field, the first field indicates a time unit for transmitting a UWB signal in a first period in which a UWB device transmits the UWB signal, and the second field indicates a scheduling period in which the UWB device transmits the UWB signal. The scheduling information is then sent.

Abstract: A critical basic service set (BSS) parameter management method applicable to multiple links and a related apparatus are provided. The provided method and apparatus relate to the wireless communication field, particularly, a wireless local area network supporting the 802.11be standard. The method includes: a first access point (AP) in a first AP multilink-device (MLD) generates and sends a first frame, wherein the first frame indicates critical BSS parameter update count values corresponding to a plurality of APs in the first AP MLD and critical BSS parameter update count values corresponding to a plurality of APs in a second AP MLD, and the second AP MLD is an AP MLD to which a nontransmitted AP belongs in a multiple BSSID set including the first AP.

Abstract: A method and related apparatus for physical layer protocol data unit (PPDU) uplink bandwidth indication are provided. The method relates to the wireless communications field, for example, is applicable to a wireless local area network supporting the 802.11be standard. The method includes: An AP generates and sends a trigger frame. The trigger frame carries first indication information, where the first indication information is directly used to indicate or jointly indicate an EHT TB PPDU bandwidth or an uplink PPDU total transmission bandwidth. The trigger frame carries second indication information, where the second indication information is used to indicate distribution of an HE TB PPDU and/or an EHT TB PPDU in the uplink PPDU total transmission bandwidth, or directly indicate whether an EHT station transmits an HE TB PPDU or an EHT TB PPDU.

Abstract: A channel sounding method and an apparatus are provided. The method includes a first access point device sending a sounding request frame to a second access point device, the sounding request frame requesting the second access point device perform channel sounding, the sounding request frame includes one or both of a sounding bandwidth field or a number of spatial streams field, the sounding bandwidth field indicating a bandwidth for performing the channel sounding, the number of spatial streams field indicating a quantity of spatial streams on which the channel sounding is performed.

Abstract: A communication method and apparatus are applied to a wireless local area network system that supports IEEE 802.11ax (Wi-Fi 6)/802.11be (Wi-Fi 7)/802.11bn (Wi-Fi 8)/Wi-Fi AI/millimeter wave/ultra-wideband UWB, or sensing, to reduce overheads of a sensing receiver feeding back a CIR tap based on a predefined feedback pattern. A sensing transmitter may send first information including a first parameter and a second parameter. The first parameter is of a first value, the first parameter indicates that the sensing receiver feeds back a CIR tap based on the predefined feedback pattern, and the second parameter indicates a quantity of CIR taps that need to be fed back in each CIR group.

Abstract: The present disclosure relates to information indication methods and apparatus. One example method includes generating a first frame, where the first frame comprises a neighbor report element, the neighbor report element comprises a basic service set identifier (BSSID) field and a BSSID information field comprising a multi-band field, the multi-band field indicates whether a neighbor access point (AP) indicated by the BSSID field is located in a multiple-band device, and the multiple-band comprises a 6 GHz band, and sending the first frame on a 2.4 GHz band or a 5 GHz band.

Abstract: The present application applies to a wireless personal local network system based on ultra-wide band communication technology, a communication system based on ZigBee, a communication system based on IEEE 802.15.4 protocol. Embodiments of the present application provide a communication method, including: receiving a first protocol data unit (PPDU), where the first PPDU includes type instruction information, where the type instruction information is configured to indicate whether the first PPDU carries a compressed PHY (physical layer) service data unit (PSDU); and processing the information carried by the payload field of the first PPDU. According to the above-mentioned technical solution, the compressed PSDU may be identified according to the type instruction information carried by the PPDU. Therefore, a receiver of the PPDU may process the received PPDU according to the type instruction information.

Abstract: This application relates to a UWB-based PPDU transmission method and an apparatus. The method includes: A communication apparatus sends a PPDU, where the PPDU includes a first sequence, and the first sequence is any sequence shown in Table 3a, Table 3b, Table 4, Table 5a, or Table 5b. This application can be used to reduce interference between devices and support coexistence of a plurality of devices. This application is applied to a UWB-based WPAN system, a sensing system, and the like, supporting 802.15 series protocols, such as an 802.15.4ab standard or a next-generation 802.15.4ab standard; and may further be applied to a WLAN system supporting 802.11 series protocols, for example, a next-generation Wi-Fi protocol of 802.11ax, like 802.11be, Wi-Fi 7, or EHT, and for another example, a next-generation of 802.11be, Wi-Fi 8, UHR, or Wi-Fi AI.

Abstract: The present application describes a communication method and related device. The method includes a first responder receiving from an initiator a first frame for initiating a ranging process. The first responder generates a first private address based on the first frame and information related to an identity of the first responder, and the first responder transmits a second frame carrying the first private address to the initiator. The method may be applied to ultra-wideband multi-millisecond ranging systems. According to this application, an initiator can verify whether a frame is really from an authorized responder in an ultra-wideband multi-millisecond ranging session.

Abstract: A method and an apparatus for transmitting a physical layer protocol data unit (PPDU) are provided. The method includes: generating a synchronization header field based on a first sequence or a third sequence, where a side lobe of a periodic cross-correlation function of the first sequence and a second sequence is a constant value, the first sequence is a binary sequence consisting of 1 and 0, the second sequence is a binary phase shift keying sequence corresponding to the first sequence, a side lobe of a periodic autocorrelation function of the third sequence is a constant value, and the third sequence is a binary phase shift keying sequence consisting of 1 and ?1; and sending the PPDU on a target channel, where the PPDU includes the synchronization header field.

Abstract: A method includes: Two communication parties exchange a control message, for indicating a frequency band overlapping rate between adjacent channels in a channel set used for frequency band stitching; and when the frequency band overlapping rate belongs to an overlapping rate set S1, the channel set is in an in-sequence channel order; or when the frequency band overlapping rate belongs to an overlapping rate set S2, the channel set is in an out-of-sequence channel order. According to this application, a better compromise between sending time and transmit power in a frequency band stitching process can be implemented. This application is applied to a UWB-based WPAN system, a sensing system, or the like, including 802.15 series protocols, for example, 802.15.4ab or a next-generation standard of 802.15.4ab. This application may be further applied to a WLAN system supporting 802.11 series protocols.

Abstract: The present disclosure provides a communication method and apparatus, an electronic device, and related products. The communication method includes: receiving, by an initiator, an advertising-response frame from a responder, where the ADV-RESP frame indicates a number N of the responder to participate in multi-millisecond ranging, N?1; and transmitting, by the initiator, a start of ranging frame to the responder according to the ADV-RESP frame, where the SOR frame is used to provide a time offset at which a first range-measurement cycle to start. Through the above solution, the initiator acquires the number of the responder to participate in MMS ranging through the ADV-RESP frame transmitted by the responder, and then transmits the SOR frame according to the number of the responder to participate in MMS ranging, thus, the initiator acquires the number of the responder to participate in MMS ranging once a responder transmits the ADV-RESP frame to the initiator.

Abstract: A sensing method may include a sensing transmit end that determines phase modulation and control information of a first sensing signal, where the phase modulation and control information is used to control a phase of the first sensing signal to continuously vary over time; and the sensing transmit end sends the first sensing signal to a sensing target.

Abstract: This application relates to the field of wireless fidelity technologies, and in particular to an information indication method. The method includes: An access point determines resource indication information, and sends the resource indication information. The resource indication information includes a plurality of bit sequences. A first bit sequence in the plurality of bit sequences corresponds to a first resource unit. The first resource unit is a resource unit in a resource block set that is allocated to a first station (STA) or a plurality of STAs. The resource block set includes at least two resource units.

Abstract: A channel impulse response (CIR) feedback method and an apparatus are provided. A second communication apparatus sends a second signal, and a first communication apparatus receives a first signal obtained through channel transmission on the second signal, and sends a CIR report corresponding to the first signal. The CIR report indicates a quantization result of each first CIR tap in at least one continuous time period, and an amplitude of the first CIR tap is greater than or equal to a first threshold. Based on this solution, the first communication apparatus feeds back, to the second communication apparatus, a quantization result of each CIR tap whose amplitude is greater than or equal to a threshold in the at least one continuous time period.

Abstract: Embodiments of this application provide a communication method applied to a multi-link device in a wireless local area network WLAN and a related apparatus. The method includes: A reporting AP sends a management frame to a station. The reporting AP belongs to a first AP MLD, and belongs to a multiple BSSID set. The management frame includes MLD information. The MLD information carries, by using different types of MLD elements and a multiple BSSID element, for example, information about another AP in the MLD to which the AP belongs, information about the multiple BSSID set to which the AP belongs, and information about an AP in a multiple BSSID set including the another AP in the MLD to which the AP belongs. The station obtains information about the reporting AP and other information about a reported AP based on the management frame.