Ht Physical Mode Settings; Figure 19: Ht Physical Mode Settings - SMC Networks WEBS-N User Manual

HT P M
The HT Physical Mode section on the Wireless Settings Advanced page
HYSICAL ODE
includes additional parameters for 802.11n operation.
S
ETTINGS

Figure 19: HT Physical Mode Settings

The following items are displayed in this section on this page:
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C
HAPTER
Channel Bandwidth — The Wireless-N Access Point/Repeater
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-N Access Point/Repeater 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. (Default: Enabled)
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. (Default: Enabled)
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7 | Access Point Mode Wireless Configuration
Basic Settings