Patent ID: 11882598
Assignee: MEDIATEK SINGAPORE PTE. LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A method, comprising:
receiving, from an access point (AP), a frame announcing one or more preamble detection (PD) channels in a frequency segment;
determining one of the one or more PD channels as a preamble detection (PD) channel; and
monitoring the PD channel to detect a transmission on the PD channel,
wherein the receiving of the frame announcing the one or more PD channels comprises receiving a PD channel set indicating, in each of one or more non-primary frequency segments, one or more channels that are dedicated for one or more STAs during a transmission opportunity (TXOP) such that each of the one or more STAs monitors one of the one or more channels in one of the one or more non-primary frequency segments as the respective PD channel to detect any transmission on the respective PD channel.