Patent ID: 8111647

Claim:
A method of wireless data communication over a network of devices, the method comprising: sending, via a selected directional device, a first plurality of directional beacons; receiving, at the selected directional device, a second plurality of directional beacons; sending, via a selected omni-directional device, a third plurality of directional beacons and a first plurality of omni-directional beacons; receiving, at the selected omni-directional device, the first plurality of directional beacons and a second plurality of omni-directional beacons from another omni-directional device; the selected directional device: sensing each of a plurality of channels; locating a channel with free channel time blocks for data communication between the selected directional device and the selected omni-directional device; making channel reservations of free channel time blocks for data transmissions; placing channel reservation information into a new directional beacon; and selecting a free time slot of the located channel to periodically send out the new directional beacon.