Patent ID: 11917670
Assignee: MARVELL ASIA PTE LTD
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The method of claim 1, wherein determining the channel estimate of the communication channel between the first communication device in the first WLAN and the second communication device in the second WLAN comprises:
determining the channel estimate using measurements at the first communication device of one of: i) a request to send (RTS) frame transmitted by the second communication device to the third communication device, the RTS frame having a number of long training fields corresponding to a number of antennas of the second communication device, and ii) a clear to send (CTS) frame transmitted by the second communication device to the third communication device in response to an RTS frame transmitted by the third communication device, the CTS frame having a number of long training fields corresponding to a number of antennas of the second communication device.