Patent ID: 8072955
Filing Date: 2011-12-06
Classification: H04W

Abstract:
1. A method comprising: maintaining at each respective node of a plurality of nodes of a wireless Local Area Network (LAN), a timer (NAV) set to a corresponding time period during which the respective node must refrain from transmitting on a channel; designating at least two fragments of a frame as a Time Sensitive Quality of Service (TSQ) frame fragments to be express forwarded from a first node to a second node of said plurality of nodes; incrementing a duration field of each of said TSQ frame fragments by a first predetermined time increment (DT transmitting said TSQ frame fragments by said first node to said second node when a last frame fragment of said frame fragments are ready to be transmitted; and receiving a response from said second node wherein non-forwarding neighboring nodes of said plurality of nodes each set their NAV according to a value equal to the duration field of the response, and wherein said second node attempts forwarding of said TSQ frame fragments when acknowledgement of receipt of the TSQ frame fragments is complete and wherein a NAV of said second node is set by subtracting a second predetermined time increment (DT