Patent ID: 9668276
Date: 2017-05-30
CPC Classifications: H04L,H04W

Claim:
1. A method for transmitting a packet, the method comprising: determining, at a node having a buffer, an urgency class for the packet according to a schedule, wherein each of a plurality of urgency classes is assigned a plurality of differentiating parameters with values that are different from values of other urgency classes, the plurality of differentiating parameters comprising a backoff window for drawing an initial backoff counter for the packet and a persistence factor, wherein the persistence factor is different for each urgency class of the plurality of urgency classes, and wherein the persistence factor is to derive a subsequent backoff window having a range of values from which a subsequent backoff counter value for the packet is drawn randomly from the range of values upon a transmission retrial of the packet; and transmitting, by the node, the packet in the urgency class before transmitting another packet of a lower urgency class.