Patent ID: 9538525
Date: 2017-01-03
CPC Classifications: H04L,H04W

Claim:
1. A method of avoiding collision of intra-basic service set unicast, broadcast or multicast transmissions, the method comprising: detecting traffic on a transmission medium of the intra-basic service set; adjusting a reserved time interval with a service interval offset based on the detected traffic; notifying, via a central reservation wireless communication device, stations in the basic service set of a transmit opportunity for the reserved time interval for a unicast, broadcast or multicast transmission, wherein the notifying includes broadcasting at least one of an active indication to indicate the transmit opportunity is currently enabled and an activation start time to indicate a time when the transmit opportunity will be enabled if the transmit opportunity is not currently enabled; and deferring transmission from at least one station in the basic service set until after the reserved time interval.