Patent ID: 11870474
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 12:
13. A signal processing method, wherein the signal processing method is applied to a signal processing apparatus, the signal processing method comprising:
receiving a first signal and a third signal;
performing power amplification on the first signal and power amplification on the third signal, to respectively obtain a second signal and a fourth signal;
filtering the second signal and the fourth signal, to respectively obtain a first sub-signal and a second sub-signal, and obtain a third sub-signal, wherein the first sub-signal belongs to a first frequency band, the second sub-signal belongs to a second frequency band, and the third sub-signal belongs to a third frequency band;
combining the first sub-signal and the third sub-signal to obtain a first combined signal;
sending the first combined signal by using a first port and the second sub-signal by using a second port.