| 摘要 |
A station for accessing the resources of an access point in a wireless network, the station including a transmitter that is arranged to formulate probe requests and a transmit chain that is arranged to transmit probe requests on multiple channels of the access point simultaneously, wherein the probe requests are configured to elicit responses from the access point. Also disclosed is a station for accessing the resources of an access point in a wireless network, wherein the network includes a plurality of channels at different frequencies and the station includes a receiver and a receive chain arranged to deliver to the receiver a signal that has been acquired wirelessly from the network and which spans a plurality of the channels, wherein the receiver is arranged to produce a first spectrogram of the signal and to make a determination, by comparing the first spectrogram with one or more earlier spectrograms of the signal, of whether there is communication starting in the network in a channel covered by the signal. |
