Patent ID: 9749110
Date: 2017-08-29
CPC Classifications: H04L,H04W

Claim:
1. A wireless device, comprising: one or more of an echo cancellation module and connected memory, and a secondary channel quiet detector, that monitors one or more secondary channels, configured to determine whether the one or more secondary channels are quiet; MAC/NAV circuitry configured to stop a current A-MPDU (aggregated MAC Protocol Data Unit) transmission on a primary channel when one or more of the secondary channels are determined to be quiet for a period of time; and a transmitter that transmits a number of frames across available bandwidth on one or more of the secondary channels, wherein a narrower-bandwidth packet transmission has ended in favor of a wider-bandwidth packet transmission across one or more of the secondary channels, and a frame control field of an RTS (Request to Send) frame indicates that the narrower-bandwidth packet transmission has ended in favor of the wider-bandwidth packet transmission.