ZyXEL NWA90AX User Guide - Page 101
AP Profile, NWA50AX/NWA90AX/NWA55AXE Series User's Guide, Table 38
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Chapter 12 AP Profile Table 38 Configuration > Object > AP Profile > Radio > Add/Edit (continued) LABEL DESCRIPTION Schedule Start Time Week Days Advanced Settings Guard Interval Select this option to have the Zyxel Device survey the other APs within its broadcast radius at a specific time on selected days of the week. Specify the time of the day (in 24-hour format) to have the Zyxel Device use DCS to automatically scan and find a less-used channel. Select each day of the week to have the Zyxel Device use DCS to automatically scan and find a less-used channel. This field is available only when the channel width is 20/40MHz or 20/40/80MHz and the 802.11 Mode is either 11n or 11ac. Set the guard interval for this radio profile to either short or long. Enable A-MPDU Aggregation The guard interval is the gap introduced between data transmission from users in order to reduce interference. Reducing the interval increases data transfer rates but also increases interference. Increasing the interval reduces data transfer rates but also reduces interference. This field is not available when you set 802.11 Mode to 11a or 11b/g. Select this to enable A-MPDU aggregation. Enable A-MSDU Aggregation Message Protocol Data Unit (MPDU) aggregation collects Ethernet frames along with their 802.11n headers and wraps them in a 802.11n MAC header. This method is useful for increasing bandwidth throughput in environments that are prone to high error rates. This field is not available when you set 802.11 Mode to 11a or 11b/g. Select this to enable A-MSDU aggregation. RTS/CTS Threshold Mac Service Data Unit (MSDU) aggregation collects Ethernet frames without any of their 802.11n headers and wraps the header-less payload in a single 802.11n MAC header. This method is useful for increasing bandwidth throughput. It is also more efficient than A-MPDU except in environments that are prone to high error rates. Use RTS/CTS to reduce data collisions on the wireless network if you have wireless clients that are associated with the same AP but out of range of one another. When enabled, a wireless client sends an RTS (Request To Send) and then waits for a CTS (Clear To Send) before it transmits. This stops wireless clients from transmitting packets at the same time (and causing data collisions). Beacon Interval DTIM Enable Signal Threshold A wireless client sends an RTS for all packets larger than the number (of bytes) that you enter here. Set the RTS/CTS equal to or higher than the fragmentation threshold to turn RTS/ CTS off. When a wirelessly networked device sends a beacon, it includes with it a beacon interval. This specifies the time period before the Zyxel Device sends the beacon again. The interval tells receiving devices on the network how long they can wait in low-power mode before waking up to handle the beacon. A high value helps save current consumption of the access point. Delivery Traffic Indication Message (DTIM) is the time period after which broadcast and multicast packets are transmitted to mobile clients in the Active Power Management mode. A high DTIM value can cause clients to lose connectivity with the network. This value can be set from 1 to 255. Select the check box to use the signal threshold to ensure wireless clients receive good throughput. This allows only wireless clients with a strong signal to connect to the AP. Station Signal Threshold Clear the check box to not require wireless clients to have a minimum signal strength to connect to the AP. Set a minimum client signal strength. A wireless client is allowed to connect to the AP only when its signal strength is stronger than the specified threshold. -20 dBm is the strongest signal you can require and -105 is the weakest. NWA50AX/NWA90AX/NWA55AXE Series User's Guide 101