| CPC H04L 27/2636 (2013.01) [H04L 5/001 (2013.01)] | 20 Claims |

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1. A signal sending method, comprising:
generating a first transmission signal, wherein the first transmission signal comprises a communication signal and a sensing signal, and the sensing signal occupies bandwidth resources of at least two component carriers in a frequency domain; and
sending the first transmission signal.
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