| CPC H04W 24/10 (2013.01) | 19 Claims |

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1. A first device, comprising:
a processor, and a memory configured to store a computer program capable of running on the processor, wherein
the processor is configured to:
determine a channel type of a channel, and determine channel state indication information of the channel based on a first determination manner corresponding to the channel type, wherein the channel state indication information indicates channel state information, and the first determination manner comprises at least any one of a first neural network model, a first encoding algorithm, and a first encoding model; and
send the channel state indication information and third indication information to a second device, the third indication information being configured to indicate a third determination manner for decoding the channel state indication information, wherein the third determination manner comprises at least any one of a third neural network model, a third decoding algorithm, and a third decoding model.
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