WO-2026090943-A1 - INFORMATION INDICATION METHOD AND APPARATUS, AND DEVICE, MEDIUM AND PRODUCT

Abstract

The present application relates to the field of communications. Disclosed are an information indication method and apparatus, and a device, a medium and a product. The method comprises: sending first signaling, wherein the first signaling is used for suggesting or indicating whether a physical layer protocol data unit (PPDU) which is subsequently sent by a second wireless device carries a first pilot frequency. An occasion for using a first pilot frequency is determined by means of a first wireless device, and first signaling is sent to a second wireless device for suggesting or indicating whether a PPDU which is subsequently sent by the second wireless device carries the first pilot frequency, thereby rapidly reducing the impact of an interference signal on a packet error rate, and maintaining the rate performance of a link.

Inventors

• GAO, NING
• LU, Liuming
• LUO, Chaoming
• LI, YAPU

Assignees

• OPPO广东移动通信有限公司

Dates

Publication Date

20260507

Application Date

20241030

Claims (20)

1. An information indication method, characterized in that the method is performed by a first wireless device, the method comprising: Send a first signaling message, which is used to suggest or indicate whether the physical layer protocol data unit (PPDU) subsequently sent by the second wireless device carries a first pilot.
2. The method according to claim 1, wherein the first signaling includes a first field; The first field is used to suggest or indicate whether the PPDU subsequently transmitted by the second wireless device carries the first pilot.
3. The method according to claim 2, characterized in that, The first field is a first value, which is used to suggest or instruct the second wireless device to carry the first pilot signal in subsequent PPDU transmissions; or, The first field is a second value, which is used to suggest or indicate that the PPDU subsequently transmitted by the second wireless device does not carry the first pilot.
4. The method according to any one of claims 1 to 3, wherein the first signaling further includes a second field; The second field is used to suggest or indicate the type of the first pilot.
5. The method according to claim 4, characterized in that, The second field is a third value, which is used to suggest or indicate that the type of the first pilot is a conventional first pilot; or, The second field is a fourth value, which is used to suggest or indicate that the type of the first pilot is a zero-power first pilot.
6. The method according to any one of claims 1 to 5, wherein the first signaling further includes a third field; The third field is used to suggest or indicate the proportion of the first pilot in the resource unit RU.
7. The method according to claim 6, characterized in that, The third field is the i-th value, which is used to suggest or indicate that the proportion of the first pilot in the RU is the i-th proportion; Wherein, the i-th value is one of the n candidate values, the i-th proportion is the proportion corresponding to the i-th value, i is an integer not greater than n, and n is a positive integer.
8. The method according to any one of claims 1 to 7, wherein the subsequently transmitted PPDU comprises at least one of the following: The PPDU for subsequent transmissions in the current transmission opportunity TXOP; PPDUs transmitted in subsequent TXOPs obtained after the current TXOP.
9. The method according to any one of claims 1 to 8, wherein the PPDU comprises at least one of the following: Ultra-high reliability multi-user UHR MU PPDU; Ultra-high reliability extended range UHR ELR PPDU; Ultra-high reliability is based on triggering UHR TB PPDU.
10. The method according to any one of claims 1 to 9, characterized in that the first signaling is carried in at least one of the following frames or fields: The A-Control field in the Media Access Control (MAC) frame header of a data frame or management frame; The UHR Control field in the MAC header of a data frame or management frame; Block confirmation frame; Compressed block confirmation frame; Multi-site block acknowledgment frame; Trigger frame.
11. The method according to any one of claims 1 to 10 is characterized in that the first signaling is carried in the A-Control field in the MAC frame header of the data frame or management frame, and the data frame or management frame further includes: Unsolicited MFB field and MRQ/Ultra-High Reliability Trigger-Based Request (UL UHR TB PPDU MFB) field; The first signaling is configured to suggest or instruct that the first pilot be carried in subsequent UHR MU PPDUs or UHR ELR PPDUs sent to the STA that issued the suggestion if the Unsolicited MFB subfield is a first setting value and the MRQ/UL UHR TB PPDU MFB subfield is a second setting value. or, The first signaling is configured to suggest or instruct that the first pilot be carried in subsequent UHR MU PPDUs or UHR ELR PPDUs sent to the STA that issued the suggestion if the Unsolicited MFB subfield is a third setting value and the MRQ/UL UHR TB PPDU MFB subfield is a fourth setting value.
12. According to the method of claim 11, the A-Control field includes a coding modulation scheme request sequence identifier (MSI) subfield, the MSI subfield occupies 2 bits, and/or the sequence number of the MSI subfield ranges from 0 to 3.
13. The method according to any one of claims 1 to 10 is characterized in that the first signaling is carried in the UHR Control field in the MAC frame header of the data frame or management frame, and the UHR Control field further includes: an Extension Type subfield; The Extension Type subfield has a fifth value, which indicates that the UHR Control field is an extension of the A-Control field.
14. The method according to any one of claims 1 to 10 is characterized in that the first signaling is carried in the Link Adaptive Feedback (LA) subfield of the block acknowledgment frame.
15. The method according to claim 14, wherein the block confirmation frame further comprises: an LA Feedback Present subfield; The LA Feedback Present subfield is used to indicate whether the LA Feedback subfield exists.
16. The method according to claim 15 is characterized in that the block confirmation frame is a compressed block confirmation frame or a multi-site block confirmation frame, the compressed block confirmation frame or the multi-site block confirmation frame includes a BA Information field, and the LA Feedback subfield exists in the BA Information field.
17. The method according to any one of claims 14 to 16 is characterized in that the BA Information field includes multiple LA Feedback subfields, and the values of each subfield in the different LA Feedback subfields are independent of each other or different.
18. The method according to any one of claims 1 to 10, characterized in that the first signaling is carried in the proprietary user information field of the trigger frame, the proprietary user information field being located after the user information field. The proprietary user information field is used to transmit the relevant signaling of the first pilot of the site indicated by the associated identifier AID in the user information field.
19. According to the method of claim 18, the AID field in the proprietary user information field is a sixth value or the same as the AID value in the user information field. The sixth value is used to indicate that the proprietary user information field is an extension of the user information field.
20. The method according to any one of claims 1 to 10, characterized in that the first signaling is carried in the proprietary user information field of the trigger frame, the proprietary user information field being located after the public information field. The proprietary user information field is used to transmit the relevant signaling of the first pilot of all stations in the user information list.

Description

Information indication methods, devices, equipment, media and products Technical Field This application relates to the field of communications, and in particular to an information indication method, apparatus, device, medium, and product. Background Technology When a Station (STA) communicates with an Access Point (AP), the transmitting device embeds pilot information into the signal to help the receiving device locate the signal's position and direction. In related technologies, embedding pilot information during data transmission allows the receiving device to reduce the impact of interference signals. Summary of the Invention This application provides an information indication method, apparatus, device, medium, and product, the technical solution of which is as follows: According to one aspect of this application, an information indication method is provided, the method being performed by a first wireless device, the method comprising: Send a first signaling message, which is used to suggest or indicate whether the Physical Layer Protocol Data Unit (PPDU) subsequently sent by the second wireless device carries a first pilot. According to one aspect of this application, an information indication method is provided, the method being performed by a second wireless device, the method comprising: Receive a first signaling message, which is used to suggest or indicate whether a PPDU subsequently transmitted by the second wireless device carries a first pilot signal. According to one aspect of this application, an information indicating device is provided, the device comprising: The transmitting module is used to transmit a first signaling, which is used to suggest or indicate whether a PPDU subsequently transmitted by the second wireless device carries a first pilot. According to one aspect of this application, an information indicating device is provided, the device comprising: The receiving module is configured to receive a first signaling, which is used to suggest or indicate whether a PPDU subsequently transmitted by the second wireless device carries a first pilot. According to one aspect of the embodiments of this application, a first wireless device is provided, the first wireless device comprising: a processor; a transceiver connected to the processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to load and execute the executable instructions to implement the information indication method as described in the foregoing aspects. According to another aspect of the embodiments of this application, a second wireless device is provided, the second wireless device comprising: a receiver; the communication device being configured to implement the information indication method as described in the foregoing aspects. According to one aspect of the embodiments of this application, a computer-readable storage medium is provided, which stores at least one program that is loaded and executed by a processor to implement the information indication method as described in the foregoing aspects. According to one aspect of the embodiments of this application, a computer program product or computer program is provided, the computer program product or computer program including computer instructions stored in a computer-readable storage medium, a processor retrieving the computer instructions from the computer-readable storage medium, and the processor executing the computer instructions to implement the information indication method as described in the above aspects. According to one aspect of the embodiments of this application, a chip is provided, the chip including a programmable logic circuit and/or at least a program, the chip being configured to implement the information indication method as described in the foregoing aspects based on the programmable logic circuit and/or the at least a program. The technical solutions provided in this application have at least the following beneficial effects: The first wireless device determines when to use the first pilot signal. It can then send a first signaling message to the second wireless device to suggest or instruct whether the second wireless device should include the first pilot signal in subsequent PPDU transmissions. For example, in the event of interference, the first signaling message can inform the second wireless device to include the first pilot signal in subsequent PPDUs, thereby quickly reducing the impact of interference on the packet error rate and maintaining link speed performance. Attached Figure Description To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative eff