CN-122028120-A - Auxiliary channel switching method

Abstract

The embodiment of the invention provides an auxiliary channel switching method. The method comprises the steps of negotiating channel measurement information corresponding to an auxiliary channel with a second communication node under the condition that the first communication node and the second communication node both support auxiliary channel measurement and the auxiliary channel needs to be measured, carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information, and switching to the auxiliary channel according to a received switching signaling sent by the second communication node under the condition that the auxiliary channel measurement result is allowable and channel switching is needed. The embodiment of the invention solves the problem that the data transmission efficiency is reduced due to overlong channel switching time in the related technology, and achieves the effect of shortening the channel switching time.

Inventors

• CHENG JIANFEI
• FAN SHUANG
• SUN BO
• FENG AIJUAN
• CHEN YU
• LIU ZHE

Assignees

• 深圳市中兴微电子技术有限公司

Dates

Publication Date

20260512

Application Date

20241112

Claims (20)

1. 1. A method for auxiliary channel switching, applied to a first communication node, comprising: Under the condition that the first communication node and the second communication node both support auxiliary channel measurement and the auxiliary channel measurement is needed, negotiating channel measurement information corresponding to the auxiliary channel with the second communication node; and carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information, and switching to the auxiliary channel according to the received switching signaling sent by the second communication node under the condition that the auxiliary channel measurement result is that channel switching is allowed and required.
2. 2. The method of claim 1, wherein the channel measurement information comprises at least one of a starting time of an auxiliary channel measurement, a duration of the auxiliary channel measurement, a measurement interval of the auxiliary channel measurement, a channel bandwidth corresponding to the auxiliary channel, a position of the auxiliary channel in the entire transmission channel, and an auxiliary channel measurement mode.
3. 3. The method of claim 1, wherein prior to negotiating channel measurement information corresponding to a secondary channel with the second communication node, the method further comprises: Transmitting first communication node capability information to the second communication node, and receiving second communication node capability information transmitted by the second communication node; And determining that the auxiliary channel needs to perform auxiliary channel measurement under the condition that the channel switching delay of the auxiliary channel is larger than the auxiliary channel of the second communication node with the maximum tolerance of the channel switching delay according to the first communication node capability information and the second communication node capability information.
4. 4. The method of claim 3 wherein the first communication node capability information comprises at least one of a parameter of whether supplemental channel measurement is supported, a supported negotiation type, a supplemental channel switch delay, a minimum time required for supplemental channel measurement, and wherein the second communication node capability information comprises at least one of a parameter of whether supplemental channel measurement is supported, a supported negotiation type, a maximum tolerated channel switch delay, a maximum time required for supplemental channel measurement.
5. 5. The method of claim 1, wherein performing the supplemental channel measurement on the supplemental channel based on the channel measurement information comprises: Sending an auxiliary channel measurement request to the second communication node under the condition that the first communication node and the second communication node both support a first negotiation type; And carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information according to the received response information which is sent by the second communication node and allows the auxiliary channel measurement.
6. 6. The method of claim 1, wherein performing the supplemental channel measurement on the supplemental channel based on the channel measurement information comprises: Packaging the channel measurement information into auxiliary channel measurement signaling under the condition that the first communication node and the second communication node both support a second negotiation type; And sending the auxiliary channel measurement signaling to the second communication node, and carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information, wherein the auxiliary channel measurement signaling is used for informing the second communication node that the first communication node is executing auxiliary channel measurement corresponding to the auxiliary channel.
7. 7. The method of claim 1, wherein performing the supplemental channel measurement on the supplemental channel based on the channel measurement information comprises: and under the condition that the first communication node and the second communication node both support a third negotiation type and receive an action frame sent by the second communication node, carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information, wherein the action frame carries the channel measurement information, and the action frame is used for forcing the first communication node to carry out the auxiliary channel measurement.
8. 8. The method of claim 1, wherein performing the supplemental channel measurement on the supplemental channel based on the channel measurement information comprises: And in the case that the auxiliary channel measurement mode is implicit measurement, periodically performing auxiliary channel measurement on the auxiliary channel according to the duration of the auxiliary channel measurement and the measurement interval of the auxiliary channel measurement in the channel measurement information, or, And when the auxiliary channel measurement mode is explicit measurement, carrying out channel measurement on the auxiliary channel according to the starting time of the auxiliary channel measurement and the duration of the auxiliary channel measurement in the channel measurement information.
9. 9. The method of claim 1, wherein performing the supplemental channel measurement on the supplemental channel based on the channel measurement information comprises: Switching to the auxiliary channel, and carrying out the auxiliary channel measurement on the auxiliary channel according to the channel measurement information; And returning to the main channel from the auxiliary channel before the auxiliary channel measurement time corresponding to the auxiliary channel measurement is finished.
10. 10. The method of claim 1, wherein performing the supplemental channel measurement on the supplemental channel based on the channel measurement information comprises: optimizing radio frequency configuration parameters and baseband configuration parameters corresponding to the auxiliary channel so as to perform auxiliary channel measurement on the auxiliary channel; And storing the optimized radio frequency configuration parameters and baseband configuration parameters for switching the first communication node to the auxiliary channel.
11. 11. The method of claim 1, wherein after performing an auxiliary channel measurement on the auxiliary channel based on the channel measurement information, the method further comprises: And sending the result of the auxiliary channel measurement to the second communication node so that the second communication node sends the switching signaling to the first communication node when the result of the auxiliary channel measurement is allowable and channel switching is needed, wherein the result of the auxiliary channel measurement at least comprises one of channel switching delay time corresponding to the auxiliary channel, state information of whether the auxiliary channel can be switched or not and validity period of the auxiliary channel measurement.
12. 12. A method for auxiliary channel switching, applied to a second communication node, comprising: Under the condition that the first communication node and the second communication node both support auxiliary channel measurement and the auxiliary channel is required to be measured, channel measurement information corresponding to the auxiliary channel and negotiated with the first communication node is used for enabling the first communication node to conduct auxiliary channel measurement on the auxiliary channel according to the channel measurement information; And under the condition that the measurement result of the auxiliary channel is that the channel switching is allowed and required, sending switching signaling to the first communication node so that the first communication node can switch to the auxiliary channel according to the switching signaling.
13. 13. The method of claim 12, wherein prior to negotiating channel measurement information corresponding to a supplemental channel with the first communication node, the method further comprises: And transmitting second communication node capability to the first communication node so that the first communication node determines an auxiliary channel according to the first communication node capability information and the second communication node capability information, wherein the auxiliary channel is an auxiliary channel with a channel switching delay larger than the maximum tolerance channel switching delay of the second communication node in a plurality of auxiliary channels which are determined in advance.
14. 14. The method of claim 12, wherein after negotiating channel measurement information corresponding to a supplemental channel with the first communication node, the method further comprises: And under the condition that the first communication node and the second communication node support a first negotiation type, feeding back response information allowing the auxiliary channel measurement to the first communication node according to a received auxiliary channel measurement request sent by the first communication node, so that the first communication node performs auxiliary channel measurement on the auxiliary channel according to the channel measurement information.
15. 15. The method of claim 12, wherein after negotiating channel measurement information corresponding to a supplemental channel with the first communication node, the method further comprises: receiving an auxiliary channel measurement signaling sent by the first communication node under the condition that the first communication node and the second communication node support a second negotiation type; and acquiring that the first communication node is carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information according to the auxiliary channel measurement signaling.
16. 16. The method of claim 12, wherein after negotiating channel measurement information corresponding to a supplemental channel with the first communication node, the method further comprises: and under the condition that the first communication node and the second communication node support a third negotiation type, sending an action frame to the first communication node to force the first communication node to conduct auxiliary channel measurement on the auxiliary channel, wherein the action frame carries the channel measurement information.
17. 17. The method according to claim 12, wherein, in case the result of the secondary channel measurement is that a channel switch is allowed and required, sending a switch signaling to the first communication node comprises: And receiving a result of the auxiliary channel measurement sent by the first communication node, and sending a switching signaling to the first communication node when the result of the auxiliary channel measurement is allowable and channel switching is needed and the auxiliary channel measurement is in a measurement validity period.
18. 18. The method according to claim 12, wherein the method further comprises: During the secondary channel measurement by the first communication node on the secondary channel, buffering data addressed to the first communication node and disabling transmission of the buffered data addressed to the first communication node.
19. 19. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a computer program, wherein the computer program, when being executed by a processor, realizes the steps of the method as claimed in any one of claims 1 to 11 or the steps of the method as claimed in any one of claims 12 to 18.
20. 20. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the steps of the method as claimed in any one of claims 1 to 11 or the steps of the method as claimed in any one of claims 12-18.

Description

Auxiliary channel switching method Technical Field The embodiment of the invention relates to the field of communication, in particular to an auxiliary channel switching method. Background When the wireless terminal device switches to a new frequency channel, the radio frequency part and the baseband part need to perform specific tasks respectively to ensure that the switching process is performed smoothly and the device can send and receive signals normally. The time required by the wireless terminal device for channel switching is usually in the millisecond level, but if the switching time required by the wireless terminal device is too long, the wireless terminal device cannot correctly receive and respond to the control frame subsequently sent by the network access device, or the time for subsequent data transmission is insufficient, so that the problem of low-efficiency transmission is caused. Disclosure of Invention The embodiment of the invention provides an auxiliary channel switching method, which at least solves the problem that the efficiency of data transmission is reduced due to overlong channel switching time in the related art. According to one embodiment of the invention, an auxiliary channel switching method is provided, and is applied to a first communication node, wherein the method comprises the steps of negotiating channel measurement information corresponding to an auxiliary channel with a second communication node when the first communication node and the second communication node both support auxiliary channel measurement and the auxiliary channel needs to be measured, carrying out auxiliary channel measurement on the auxiliary channel according to the channel measurement information, and switching to the auxiliary channel according to a received switching signaling sent by the second communication node when the auxiliary channel measurement result is allowable and channel switching is needed. According to another embodiment of the present invention, an auxiliary channel switching method is provided, and the auxiliary channel switching method is applied to a second communication node, and includes that when a first communication node and the second communication node both support auxiliary channel measurement and need to measure an auxiliary channel, channel measurement information corresponding to the auxiliary channel is negotiated with the first communication node, so that the first communication node performs auxiliary channel measurement on the auxiliary channel according to the channel measurement information, and when a result of the auxiliary channel measurement is allowable and needs to switch channels, switching signaling is sent to the first communication node, so that the first communication node switches to the auxiliary channel according to the switching signaling. According to a further embodiment of the invention, there is also provided a computer readable storage medium having stored therein a computer program, wherein the computer program is arranged to perform the steps of any of the method embodiments described above when run. According to a further embodiment of the invention, there is also provided an electronic device comprising a memory having stored therein a computer program and a processor arranged to run the computer program to perform the steps of any of the method embodiments described above. According to a further embodiment of the invention, there is also provided a computer program product comprising a computer program which, when executed by a processor, implements the steps of any of the method embodiments described above. According to the embodiment of the invention, the channel measurement is performed in advance at the first communication node, so that the channel switching can be directly performed when the switching instruction of the second communication node is received, namely, the time for performing the channel measurement after receiving the switching signaling is saved, and the whole channel switching time is further shortened, so that enough time is available for data transmission in the follow-up process. Therefore, the problem that the data transmission efficiency is reduced due to overlong channel switching time in the related technology can be solved, and the effect of shortening the channel switching time is achieved. Drawings Fig. 1 is an architecture diagram of a wireless communication network according to an embodiment of the invention; FIG. 2 is a block diagram of a wireless device according to an embodiment of the present invention; FIG. 3 is a schematic diagram of dynamic subband operation in the related art; Fig. 4 is a schematic diagram of STA1 failing to correctly receive and reply to a control frame sent by an AP according to an embodiment of the present invention; fig. 5 is a flowchart of a supplemental channel switching method according to an embodiment of the present invention; Fig. 6 is an interaction diagram of an AP