H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 714)

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Item Description
Channel Utilization
Channel utilization-based admission policy, or the rate of the medium time of the
accepted AC-VO and AC-VI traffic to the valid time during the unit time. The valid
time is the total time during which data is transmitted.
Setting radio EDCA parameters for APs
1. Select QoS > Wireless QoS from the navigation tree.
By default, the Wireless QoS tab is displayed.
2. Click the icon in the Operation column for the desired AP to enter the page for configuring
wireless QoS.
3. On the radio EDCA list, click the icon in the Operation column for the desired priority type
(AC_BK, for example) to enter the page for setting radio EDCA parameters.
Figure 721 Setting radio EDCA parameters
4. Configure the radio EDCA parameters, as described in Table 228 .
5. Click Apply.
Table 228 Configuration items
Item Description
AP Name Displays the selected AP.
Radio Displays the selected AP's radio.
Priority type Displays the priority type.
AIFSN Arbitration inter-frame spacing number used by the AP.
TXOP Limit Transmission opportunity limit used by the AP.
ECWmin Exponent of CWmin used by the AP.
ECWmax Exponent of CWmax used by the AP.
No ACK
If you select the option before No ACK, the No ACK policy is used by the AP.
By default, the normal ACK policy is used by the AP.
Table 229 Default radio EDCA parameters
Access category TXOP Limit AIFSN ECWmin ECWmax
AC-BK 0 7 4 10