CN-122003915-A - Communication method, communication device and communication system

Abstract

The embodiment of the disclosure relates to a communication method, communication equipment and a communication system. The communication method is executed by a first multi-link device and comprises the steps of receiving first data and/or updating a communication mode of the first accessory device according to at least one of a data receiving state of a first accessory device of the first multi-link device under a first link, a communication mode of the accessory device of the first multi-link device and whether at least one link between the first multi-link device and a second multi-link device associated with the first multi-link device is in an operating state or not in a first time period, wherein the first link is any link in the at least one link, the data receiving state comprises whether the first accessory device successfully receives all data sent by the second multi-link device under the first link or not, and the first data comprises data which are not successfully received by the first accessory device in all the data.

Inventors

• CHENG YAJUN
• DONG XIANDONG

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260508

Application Date

20240904

Claims (20)

1. A method of communication, performed by a first multilink device, the method comprising: Receiving first data and/or updating a communication mode of the first accessory device according to at least one of a data receiving state of the first accessory device of the first multi-link device under a first link, a communication mode of the accessory device of the first multi-link device, and whether at least one link between the first multi-link device and its associated second multi-link device is in an operating state or not within a first period of time; The first link is any one of the at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data.
2. The communication method of claim 1, wherein the communication mode comprises a first or second capability communication mode, wherein the first time period comprises a first transmission opportunity, TXOP, acquired by the second multi-link device under the first link; Wherein the parameter value of at least one communication parameter in the first capability communication mode is smaller than the parameter value in the second capability communication mode.
3. The communication method according to claim 1 or 2, wherein said receiving first data and/or updating the communication mode of the first multi-link device comprises: Switching to a first capability communication mode by the first auxiliary device if the first auxiliary device successfully receives all the data; in the event that the first accessory device has not successfully received the entire data, performing at least one of the following: The first accessory device switches to a first capability communication mode; receiving the first data by a second accessory device attached to the first multi-link device in a second capability communication mode; The first data is received by the first accessory device maintaining a second capability communication mode.
4. A communication method according to any of claims 1 to 3, wherein said receiving first data and/or updating the communication mode of the first multilink device comprises: In the event that the first accessory device does not successfully receive the full data, and the first acknowledgement frame for the full data is the last acknowledgement frame within the first time period, and the end time of the first time period has arrived, there is a second accessory device in a second capability communication mode in the accessory devices of the first multi-link device, After the first auxiliary device sends the first acknowledgement frame under the first link, switching to a first capability communication mode, and the second auxiliary device receives the first data under a second link; the second link is a link in a working state except the first link in the at least one link.
5. A communication method according to any of claims 1 to 3, wherein said receiving first data and/or updating the communication mode of the first multilink device comprises: In the event that the first accessory device does not successfully receive the full data, and the first acknowledgement frame for the full data is the last acknowledgement frame within the first time period, and when the end time of the first time period has arrived, there is no device in the second capability communication mode in the accessory device of the first multi-link device, The first accessory device maintaining a second capability communication mode for a second period of time and receiving the first data over the first link; the second time period includes a time period during which the second multi-link device performs retransmission operation based on a preset duration or a preset number of retransmissions.
6. A communication method according to any of claims 1 to 3, wherein said receiving first data and/or updating the communication mode of the first multilink device comprises: In case the first acknowledgement frame for the whole data is not the last acknowledgement frame within the first time period, The first auxiliary equipment continues to communicate under the first link in the first time period until the communication operation is finished, and switches to a first capacity communication mode after the communication operation is finished; wherein the communication operation ends, comprising at least one of: the end time of the first time period arrives; After the first auxiliary device sends the first acknowledgement frame, a second radio frame is not received in a third time period, wherein the duration in the third time period comprises the sum of a short inter-frame space (SIFS), a time slot and a receiving physical layer start delay time RxPHYStartDelay; After receiving a third wireless frame, the first auxiliary device does not respond to the third wireless frame after a SIFS, wherein the third wireless frame is used for indicating that the device receiving the third wireless frame needs to respond to the third wireless frame immediately.
7. A communication method according to any of claims 1 to 3, wherein said receiving first data and/or updating the communication mode of the first multilink device comprises: The first accessory device switches to a first capability communication mode if the first accessory device successfully receives the full data and a first acknowledgement frame for the full data is a last acknowledgement frame within the first time period.
8. The communication method according to any of claims 1 to 7, characterized in that before said receiving first data and/or updating the communication mode of the first multi-link device, the method further comprises: The first auxiliary equipment receives a first data frame and a fourth wireless frame under the first link, wherein the fourth wireless frame is used for requesting the first auxiliary equipment to receive and confirm at least one first data frame, and all data comprise all the first data frames.
9. The communication method of claim 8, wherein the first accessory device receives the first data frame and a fourth radio frame over the first link, the method further comprising: receiving a fifth wireless frame through the first link, wherein the fifth wireless frame is used for indicating that the first auxiliary device is switched from a current communication mode to a second capability communication mode; The first auxiliary device is switched from a current communication mode to a second capability communication mode, and a sixth wireless frame is sent under the first link, wherein the sixth wireless frame is used for identifying that the first auxiliary device has been switched from the current communication mode to the second capability communication mode.
10. A method of communication, performed by a second multilink device, the method comprising: Transmitting first data according to at least one of a data receiving state of a first auxiliary device of a first multi-link device under a first link, a communication capability communication mode of the auxiliary device of the first multi-link device and whether at least one link between the first multi-link device and the second multi-link device is in a working state or not in a first time period; The first link is any one of the at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data.
11. The communication method of claim 10, wherein the communication capability communication mode comprises a first capability communication mode or a second capability communication mode, wherein the first time period comprises a first TXOP acquired by the second multi-link device under the first link; Wherein the parameter value of at least one communication parameter in the first capability communication mode is smaller than the parameter value in the second capability communication mode.
12. The communication method according to claim 10 or 11, wherein the transmitting the first data includes: in the event that the first accessory device has not successfully received the entire data, performing at least one of the following: Transmitting the first data to a second accessory device attached to the first multi-link device in a second capability communication mode; The first data is sent to the first accessory device that maintains a second capability communication mode.
13. The communication method according to any one of claims 10 to 12, characterized in that the transmitting the first data comprises: In the event that the first accessory device does not successfully receive the full data, and the first acknowledgement frame for the full data is the last acknowledgement frame within the first time period, and the end time of the first time period has arrived, there is a second accessory device in a second capability communication mode in the accessory devices of the first multi-link device, Receiving the first acknowledgement frame sent by the first accessory device under a second link, and sending the first data to the second accessory device under the second link; the second link is a link in a working state except the first link in the at least one link.
14. The communication method according to any one of claims 10 to 12, characterized in that the transmitting the first data comprises: In the event that the first accessory device does not successfully receive the full data, and the first acknowledgement frame for the full data is the last acknowledgement frame within the first time period, and when the end time of the first time period has arrived, there is no device in the second capability communication mode in the accessory device of the first multi-link device, Transmitting the first data to the first accessory device over the first link for a second period of time; the second time period includes a time period during which the second multi-link device performs retransmission operation based on a preset duration or a preset number of retransmissions.
15. The communication method according to any one of claims 10 to 12, characterized in that the transmitting the first data comprises: If the first acknowledgement frame is not the last acknowledgement frame in the first period of time for all the data, continuing to communicate with the first accessory device under the first link in the first period of time until the communication operation is finished; wherein the communication operation ends, comprising at least one of: the end time of the first time period arrives; After receiving the first acknowledgement frame sent by the first auxiliary device, not sending a second radio frame to the first auxiliary device in a third time period, wherein the duration in the third time period comprises the sum of a short inter-frame space (SIFS), a time slot and a receiving physical layer starting time delay RxPHYStartDelay; After a third wireless frame is sent to the first auxiliary equipment, after a SIFS, no response information of the first auxiliary equipment to the second wireless frame is received, wherein the third wireless frame is used for indicating that equipment receiving the third wireless frame needs to respond to the third wireless frame immediately.
16. A method of communicating according to any of claims 10 to 15, wherein prior to the transmitting the first data, the method further comprises: And transmitting a first data frame and a fourth wireless frame under the first link, wherein the fourth wireless frame is used for requesting the first auxiliary equipment to receive and confirm at least one first data frame, and all the data comprise all the first data frames.
17. The communication method of claim 16, wherein prior to the transmitting the first data frame and fourth radio frame to the first accessory device over the first link, the method further comprises: Transmitting a fifth radio frame under the first link, wherein the fifth radio frame is used for indicating that the first auxiliary equipment is switched from a current communication mode to a second capability communication mode; And receiving a sixth wireless frame under the first link, wherein the sixth wireless frame is used for identifying that the first auxiliary device has switched from a current communication mode to a second capability communication mode.
18. A communication device, the communication device comprising a first multi-link device, comprising: A processing module, configured to receive first data and/or update a communication mode of the first auxiliary device according to at least one of a data receiving state of the first auxiliary device of the first multi-link device under a first link, a communication mode of the auxiliary device of the first multi-link device, and whether at least one link between the first multi-link device and a second multi-link device associated with the first multi-link device is in a working state in a first period; The first link is any one of the at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data.
19. A communication device, the communication device comprising a second multilink device comprising: A transmitting module, configured to transmit first data according to at least one of a data receiving state of a first auxiliary device of a first multi-link device under a first link, a communication capability communication mode of the auxiliary device of the first multi-link device, and whether at least one link between the first multi-link device and the second multi-link device is in a working state in a first period of time; The first link is any one of the at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data.
20. A communication device, the communication device comprising a first multi-link device, comprising: One or more processors; Wherein the communication device is adapted to perform the communication method of any of claims 1 to 9.

Description

Communication method, communication device and communication system Technical Field The disclosure relates to the field of communication technologies, and in particular, to a communication method, a communication device and a communication system. Background Currently, wi-Fi technology is being investigated for example ultra high reliability (Ultra High Reliability, UHR), which is promising for improving reliability of wireless local area network (Wireless Local Area Networks, WLAN) connections, reducing latency, improving manageability, increasing throughput at different signal-to-noise ratio (Signal to Noise Ratio, SNR) levels, and reducing device-level power consumption, etc. In UHR, power saving mechanism is further enhanced to simultaneously reduce equipment energy consumption, ensure equipment communication service quality and improve transmission efficiency. Disclosure of Invention The embodiment of the disclosure provides a communication method, a communication device and a communication system to provide further enhanced power saving mechanism. In a first aspect, an embodiment of the present disclosure provides a communication method performed by a first multilink device, the method including: receiving first data and/or updating a communication mode of the first accessory device according to at least one of a data receiving state of the first accessory device of the first multi-link device under the first link, a communication mode of the accessory device of the first multi-link device, and whether at least one link between the first multi-link device and its associated second multi-link device is in an operational state within a first period of time; The first link is any one of the at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data. In a second aspect, embodiments of the present disclosure further provide a communication method performed by a second multilink device, the method including: Transmitting first data according to at least one of a data receiving state of a first accessory device of a first multi-link device under a first link, a communication capability communication mode of the accessory device of the first multi-link device, and whether at least one link between the first multi-link device and a second multi-link device is in an operating state or not in a first period of time; The first link is any one of at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data. In a third aspect, an embodiment of the present disclosure further provides a communication device, where the communication device includes a first multilink device, including: A processing module, configured to receive first data and/or update a communication mode of a first accessory device according to at least one of a data receiving state of the first accessory device of the first multi-link device under the first link, a communication mode of the accessory device of the first multi-link device, and whether at least one link between the first multi-link device and a second multi-link device associated with the first multi-link device is in an operating state in a first period of time; The first link is any one of the at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data. In a fourth aspect, an embodiment of the present disclosure further provides a communication device, where the communication device includes a second multi-link device, including: A transmitting module, configured to transmit first data according to at least one of a data receiving state of a first accessory device of a first multi-link device under a first link, a communication capability communication mode of the accessory device of the first multi-link device, and whether at least one link between the first multi-link device and a second multi-link device is in an operating state in a first period; The first link is any one of at least one link, the data receiving state comprises whether the first auxiliary equipment successfully receives all data sent by the second multi-link equipment under the first link, and the first data comprises data which is not successfully received by the first auxiliary equipment in all the data. In a fifth aspect, embodiments of the present disclosure further provide a communication dev