CN-121986520-A - Equipment power saving method, communication equipment and communication system

Abstract

The embodiment of the disclosure relates to a device power saving method, a communication device and a communication system. The method comprises the steps that a first device determines a communication capability mode of the first device according to at least one of a data receiving state of at least one first data frame, whether the residual duration of the first time period is larger than that of a second time period and receiving acknowledgement information, wherein the first data frame comprises data frames sent to the first device by the second device in the first time period, the first time period comprises a duration required by the first device for performing receiving acknowledgement operation on the at least one first data frame, and the receiving acknowledgement information comprises whether the first acknowledgement frame of the at least one first data frame is the last acknowledgement frame in the first time period or not.

Inventors

• CHENG YAJUN
• DONG XIANDONG

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260505

Application Date

20240826

Claims (20)

1. A method of device power saving, performed by a first device, the method comprising: Determining a communication capability mode of the first device according to at least one of a data receiving state for at least one first data frame, whether a remaining duration of a first time period is greater than a first duration, and receiving acknowledgement information; The first data frame comprises a data frame sent by a second device to the first device in the first time period, the first time length comprises a time length required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether a first confirmation frame aiming at the at least one first data frame is the last confirmation frame in the first time period or not.
2. The device power saving method of claim 1, wherein the communication capability mode comprises a first capability mode or a second capability mode; Wherein the parameter value in the first capability mode is smaller than the parameter value in the second capability mode for all communication parameters of the at least one communication parameter.
3. The device power saving method of claim 2, wherein the determining the communication capability mode of the first device comprises: In the case where the first device did not receive at least one of the first data frames successfully, and the first acknowledgement frame is the last acknowledgement frame within the first time period, the remaining time period of the first time period being greater than or equal to the first time period, The first device maintains a second capability mode in a second time period, and switches to a first capability mode when the end time of the second time period is reached; The second time period comprises a time period when the second device executes retransmission operation based on preset duration or preset retransmission times.
4. A method of conserving power in a device according to claim 3, characterized in that the method further comprises: The first device receives a second data frame sent by the second device before the end time of the second duration is reached, and/or sends an acknowledgement frame for the received data frame to the second device; the data carried in the second data frame comprises data carried in at least one first data frame which is not successfully received by the first equipment.
5. The device power saving method of claim 2, wherein the determining the communication capability mode of the first device comprises: In the event that the first device did not receive at least one of the first data frames successfully, and the first acknowledgement frame is not the last acknowledgement frame within the first time period, the remaining time period of the first time period is greater than or equal to the first time period, The first equipment keeps a second capability mode and switches to the first capability mode when the first time arrives; The first time is the later time of the ending time of the first time period and the ending time of the second time period, and the second time period comprises a preset duration for executing retransmission operation or a duration required by the second equipment for executing retransmission operation with preset times.
6. The apparatus power saving method of claim 5, further comprising: the first device receives a third data frame sent by the second device before the first time arrives, and/or sends an acknowledgement frame for the received data frame to the second device; the data carried in the third data frame comprises data carried in at least one first data frame which is not successfully received by the first equipment.
7. The device power saving method of claim 2, wherein the determining the communication capability mode of the first device comprises: In the case where the first device receives the first data frame successfully and the first acknowledgement frame is the last acknowledgement frame within the first time period and the remaining time period of the first time period is greater than or equal to the first time period, The first device switches to a first capability mode when an end time of the first period of time arrives.
8. The device power saving method of claim 2, wherein the determining the communication capability mode of the first device comprises: in the event that the first device receives the first data frame successfully and the first acknowledgement frame is not the last acknowledgement frame within the first time period, the remaining time period of the first time period being greater than or equal to the first time period, The first device maintains a second capability mode and continues to communicate with the second device for the first period of time.
9. The device power saving method of claim 2, wherein the determining the communication mode of the first device comprises: And when the residual duration of the first time period is smaller than the first duration, the first device switches to a first capability mode when the ending time of the first time period arrives.
10. The device power saving method according to any one of claims 1 to 9, characterized in that before the determining the communication capability mode of the first device, the method further comprises: Receiving at least one first data frame and at least one first wireless frame sent by the second device, wherein the first wireless frame is used for requesting the first device to receive and confirm at least one first data frame; and determining a data receiving state for the first data frame according to the first wireless frame.
11. The device power saving method of claim 10, wherein prior to said receiving at least one of the first data frames transmitted by the second device, the method further comprises: Receiving a second wireless frame sent by the second device, wherein the second wireless frame is used for indicating the first device to switch from a first capability mode to a second capability mode; And switching from the first capability mode to the second capability mode, and transmitting a third wireless frame to the second device, wherein the third wireless frame is used for identifying that the first device has been switched from the first capability mode to the second capability mode.
12. A method of device power saving, performed by a second device, the method comprising: Determining a communication mode of communicating with the first device according to at least one of a data receiving state of the first device for at least one first data frame, whether the residual duration of the first time period is greater than the first duration and receiving acknowledgement information; The first data frame comprises a data frame sent by the second device to the first device in the first time period, the first time period comprises a time period required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether a first confirmation frame of the at least one first data frame is the last confirmation frame in the first time period or not.
13. The device power saving method of claim 12, wherein the determining a communication manner of communicating with the first device comprises: In the case that the first device does not receive at least one of the first data frames successfully, and the first acknowledgement frame is the last acknowledgement frame in the first period, and the remaining time length of the first period is greater than or equal to the first time length, the second device performs any one of the following operations: the method comprises the steps of receiving a first data frame sent by a first device, receiving a second data frame sent by the first device, and/or receiving a confirmation frame of the data frame received by the first device in a second time period, wherein the data carried in the second data frame comprises data carried in at least one first data frame which is not successfully received by the first device; And after the ending time of the second time period is reached, successfully competing for a channel, transmitting a fourth wireless frame to the first device, wherein the fourth wireless frame is used for indicating the first device to switch from a first capability mode to a second capability mode, and the parameter value in the first capability mode is smaller than the parameter value in the second capability mode for all communication parameters in at least one communication parameter.
14. The apparatus power saving method according to claim 13, wherein the determining a communication manner of communicating with the first apparatus includes any one of: In the case that the first device does not receive at least one of the first data frames successfully, and the first acknowledgement frame is not the last acknowledgement frame in the first period, the remaining time period of the first period is greater than or equal to the first time period, the second device performs any one of the following operations: The method comprises the steps of receiving a first data frame sent by a first device, and sending a second data frame to the first device before the ending time of the first time period is reached, and/or receiving a confirmation frame of the data frame received by the first device sent by the first device, wherein the data carried in the second data frame comprises data carried in at least one first data frame which is not successfully received by the first device; After the end time of the first time period arrives, the channel is successfully contended in a second time period, and the third data frame is sent to the first equipment, and/or a confirmation frame which is sent by the first equipment and is used for the data frame received by the first equipment is received, wherein the second time period comprises a time period in which the second equipment executes retransmission operation based on preset duration or preset retransmission times; And after the ending time of the first time period arrives, successfully competing for a channel, and after the ending time of the second time period arrives, transmitting a fifth wireless frame to the first device, wherein the fifth wireless frame is used for indicating the first device to switch from a first capability mode to a second capability mode.
15. The device power saving method of claim 13, wherein the determining a communication manner of communicating with the first device comprises: In the case where the first device receives the first data frame successfully and the first acknowledgement frame is the last acknowledgement frame within the first time period, the remaining time period of the first time period being greater than or equal to the first time period, And after the ending time of the first time period is reached, the second equipment successfully competes for a channel and sends a sixth wireless frame to the first equipment, wherein the sixth wireless frame is used for indicating the first equipment to switch from a first capacity mode to a second capacity mode.
16. The device power saving method of claim 12, wherein the determining a communication manner of communicating with the first device comprises: And continuing to communicate with the first device in the first time period when the first device receives the first data frame successfully, the first acknowledgement frame is not the last acknowledgement frame in the first time period, and the remaining time period of the first time period is longer than or equal to the first time period.
17. The device power saving method of claim 13, wherein the determining a communication manner of communicating with the first device comprises: And if the residual duration of the first time period is smaller than the first duration, the second equipment successfully competes for a channel after the first time period is ended, and a seventh wireless frame is sent to the first equipment, wherein the seventh wireless frame is used for indicating the first equipment to switch from a first capacity mode to a second capacity mode.
18. The apparatus power saving method according to any one of claims 12 to 17, wherein before the determining a communication manner in which to communicate with the first apparatus, the method further comprises: And sending at least one first data frame and at least one first wireless frame to the first equipment, wherein the first wireless frame is used for requesting the first equipment to receive and confirm the at least one first data frame.
19. The device power saving method of claim 18, wherein prior to said transmitting at least one of said first data frames to said first device, said method further comprises: transmitting a second radio frame to the first device, wherein the second radio frame is used for indicating the first device to switch from a first capability mode to a second capability mode; and receiving a third wireless frame sent by the first equipment, wherein the third wireless frame is used for identifying that the first equipment is switched from a first capacity mode to a second capacity mode.
20. A communication device comprising a first device, the first device comprising: A first determining module, configured to determine a communication capability mode of the first device according to at least one of a data receiving state for at least one first data frame, whether a remaining duration of a first time period is greater than a second time period, and receiving acknowledgement information; The first data frame comprises a data frame sent by a second device to the first device in the first time period, the first time length comprises a time length required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether a first confirmation frame aiming at the at least one first data frame is the last confirmation frame in the first time period or not.

Description

Equipment power saving method, communication equipment and communication system Technical Field The disclosure relates to the technical field of communication, and in particular relates to a device power saving 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 device power saving method, a communication device and a communication system, so as to provide further enhanced power saving mechanism. In a first aspect, an embodiment of the present disclosure provides a device power saving method, performed by a first device, the method including: Determining a communication capability mode of the first device according to at least one of a data reception state for at least one first data frame, whether a remaining duration of a first time period is greater than a second time period, and reception acknowledgement information; The first data frame comprises a data frame sent by the second device to the first device in a first time period, the first time period comprises a time period required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether the first confirmation frame of the at least one first data frame is the last confirmation frame in the first time period. In a second aspect, embodiments of the present disclosure further provide a device power saving method, performed by a second device, the method comprising: Determining a communication mode for communicating with the first device according to at least one of a data receiving state for at least one first data frame, whether a remaining duration of the first time period is greater than the first duration, and receiving acknowledgement information; The first data frame comprises a data frame sent by the second device to the first device in a first time period, the first time period comprises a time period required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether a first confirmation frame of the at least one first data frame is the last confirmation frame in the first time period or not. In a third aspect, embodiments of the present disclosure further provide a communication device, including a first device, the first device including: A first determining module, configured to determine a communication capability mode of the first device according to at least one of a data receiving state for at least one first data frame, whether a remaining duration of a first time period is greater than a second time period, and receiving acknowledgement information; The first data frame comprises a data frame sent by a second device to the first device in a first time period, the first time period comprises a time period required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether a first confirmation frame of the at least one first data frame is the last confirmation frame in the first time period or not. In a fourth aspect, the disclosed embodiments further provide that the communication device includes a second device, the second device including: The second determining module is used for determining a communication mode for communicating with the first device according to at least one of the data receiving state of at least one first data frame, whether the residual duration of the first time period is greater than the first duration and the receiving confirmation information; The first data frame comprises a data frame sent by the second device to the first device in the first time period, the first time length comprises a time length required by the first device to perform receiving confirmation operation on the at least one first data frame, and the receiving confirmation information comprises whether a first confirmation frame of the at least one first data frame is the last confirmation frame in the first time period. In a fifth aspect, embodiments of the present disclosure further provide a communication device, the communication device including a first device including: One or more processors; The first device is configured to perform a