A channel selection method, and corresponding wifi device and computer program

(canceled)

A non-transitory data medium including program instructions adapted to perform a method for selecting a channel for a multiband device in a WiFi network with multiband channel sharing between devices of the WiFi network, when said program is loaded in and executed by a device for performing the channel selection method, wherein a first band is of the multiband channel is a “transmission” band, and a second band is a “signaling” band having radio coverage that is greater than the transmission band, wherein the method comprises the following acts executed by the device:

• transmitting first pertinent information in the signaling band, the information relating to occupancy of the transmission band by the device;
• and
• receiving second pertinent information in the signaling band, the information relating to occupancy of the transmission band by neighboring devices, these steps taking place simultaneously with any step of transmission in the transmission band.