Patent ID: 6891847
Filing Date: 2005-05-10
Classification: H04L,H04W

Abstract:
1. A method for improving network performance in a network having a slotted link architecture, the method comprising: assigning a time slot within a network frame to each device in the network; providing an unassigned time slot within each network frame, the unassigned time slot shared by the devices in the network for transmissions upon completion of regularly scheduled transmissions; performing a clear channel assessment of a first device, taking into account the first device's designated transmission time slot within a network frame with respect to those of the other network devices; and transmitting data during the unassigned fine slot responsive to the clear channel assessment, wherein the clear channel assessment comprises waiting for the expiration of a time period that is the product of a predetermined clear channel waiting time and a numerical representation of the first device's designated transmission time slot within the communication channel.