Patent ID: 7440754

Claim:
A computer network system comprising: an infrastructure wireless network having an access point and transmitting over a frequency channel; an ad hoc wireless network within a range of the infrastructure wireless network and transmitting over the same frequency channel as the infrastructure wireless network; and a wireless device concurrently participating in the infrastructure wireless network and the ad hoc wireless network, the wireless device being programmed to switch between a plurality of operation modes comprising: an infrastructure operation mode for communicating with nodes in the infrastructure network though the access point; and an ad hoc operation mode for communicating with nodes in the ad hoc wireless network, wherein the wireless device has a device stack having exposed therein a plurality of virtual network adapters, the plurality of virtual network adapters comprising: a first virtual network adapter for the infrastructure operation mode; a second virtual network adapter for the ad hoc operation mode; and a wireless controller driver controlling and comprising the first virtual network adapter and the second virtual network adapter.