C
HAPTER
7
| Wireless Configuration
Advanced Settings
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The following items are displayed in this section on this page:
◆ 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: 20MHz)
◆ 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)
◆ 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)
◆ Reverse Direction Grant (RDG) — When Reverse Direction Grant is
enabled, 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.
◆ 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: AutoSelect.)
◆ Aggregate MSDU (A-MSDU) — This option enables Mac Service Data
Unit (MSDU) aggregation. (Default: Disable)
◆ Auto Block ACK — Select to block ACK (Acknowledge Number) or not
during data transferring.
◆ Decline BA Request — Select to reject peer BA-Request or not.
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