Patent ID: 11863481
Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 18:
19. The base station according to claim 17, wherein the second transceiver receives a fourth radio signal in the first time resource pool; the first signaling determines that the first radio signal is not correctly received, and the fourth radio signal is used for determining the second antenna port group;
or, wherein the second transceiver receives a fifth radio signal in the first time resource pool; the first signaling determines that the first radio signal is correctly received and a transmitter of the first radio signal does not detect the second signaling in the third time resource pool in the first frequency domain resource, the fifth radio signal is used for determining a third antenna port group, and the third antenna port group is different from the second antenna port group.