Accton Wireless Broadband Corp. FIU176205T01W User Manual

  |  Wireless Configuration

Wireless Distribution System (WDS)

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HT Channel Bandwidth — The Wireless Broadband Router provides a 

channel bandwidth of 40 MHz by default giving an 802.11g connection 

speed of 108 Mbps (sometimes referred to as Turbo Mode) and a 

802.11n connection speed of up to 150 Mbps. Setting the HT Channel 

Bandwidth to 20 MHz slows connection speed for 802.11g and 802.11n 

to 54 Mbps and 74 Mbps respectively and ensures backward compliance 

for slower 802.11b devices. (Default: 20/40MHz)

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Guard Interval — The guard interval between symbols helps receivers 

overcome the effects of multipath delays. When you add a guard time, 

the back portion of useful signal time is copied and appended to the 

front. (Default: Auto)

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MCS — The Modulation and Coding Scheme (MCS) is a value that 

determines the modulation, coding and number of spatial channels. 

(Options: value [range] = 0~7 (1 Tx Stream), 8~15 (2 TxStream), 32 

and auto (33). Default: auto)

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Reverse Direction Grant (RDG) — When enables Reverse Direction 

Grant, the Wireless Broadband Router can reduce the transmitted data 

packet collision by using the reverse direction protocol. During TXOP 

(Transmission Opportunity) period, the receiver could use remaining 

transmission time to transmit data to a sender. The RDG improves 

transmission performance and scalability in a wireless environment. 

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Extension Channel — When 20/40MHz channel bandwidth has been 

set, the extension channel option will be enabled. The extension 

channel will allow you to get extra bandwidth. (Options: 2417MHz/

Channel 2, 2457MHz/Channel 10. Default: 2457MHz/Channel 10.)

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Aggregate MSDU (A-MSDU) — This option enables Mac Service Data 

Unit (MSDU) aggregation. (Default: Disable)

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Auto Block ACK — Select to block ACK (Acknowledge Number) or not 

during data transferring.

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Decline BA Request — Select to reject peer BA-Request or not.

The radio interface can be configured to operate in a mode that allows it to 

forward traffic directly to other Wireless Gateway Router units. To set up 

links between units, you must configure the Wireless Distribution System 

(WDS) forwarding table by specifying the wireless MAC address of all units 

to which you want to forward traffic.

Traffic forwarded to WDS links is automatically converted to 802.11 four-

address format frame. This uses the MAC addresses of the station and that 

of the AP connected to it on the transmitting LAN, and the MAC addresses 

of the AP functioning as a wireless repeater/bridge and that of the station 

connected to it on a neighboring LAN in the 802.11 frame header. Ethernet 

traffic follows a three-address format that is reconstructed for WDS