From: Adjustable TXOP mechanism for supporting video transmission in IEEE 802.11e HCCA
Mechanism properties | ATMV1 | ATMV2 |
---|---|---|
Number of states | 4-state finite state machine | 5-state finite state machine |
Video characteristic | Burst arrival | High burst arrival |
Supported video categories | Slight movement | Gentle walking, Rapid movement |
Coefficient factor for bounding the range of the particular event | δ1 = 1 | δ1 = 1 |
δ2 = 1.5 | δ2 = 1.5 | |
δ3 = 2.5 | δ3 = 2.5 | |
δ4 = 4 | ||
Coefficient factor for bounding the allocated queue size | γ1 = 1 | γ1 = 1 |
γ2 = 1.5 | γ2 = 1.5 | |
γ3 = 2.5 | γ3 = 2.5 | |
γ4 = 3 | γ4 = 3 | |
γ5 = 4 | ||
Maximum granted TXOP duration for flow i |
|
|
Computational complexity | O(n), where n is a number of active flows in the polling list |