| CPC H04W 76/15 (2018.02) [H04W 72/0453 (2013.01)] | 18 Claims |

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1. A channel switching method, comprising:
generating, by a first device, a multi-link channel switching frame under a link, wherein the multi-link channel switching frame is configured to indicate a channel switching to be performed under multiple links, and wherein the multiple links are configured to indicate that the first device supports performing data transmissions simultaneously on at least two frequency bands;
wherein, the multi-link channel switching frame comprises a frequency band indication field and a channel indication field, wherein the frequency band indication field is configured to indicate a target frequency band of the channel switching, and the channel indication field is configured to indicate a target channel of the channel switching in the target frequency band.
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