Allied-telesis AT-TQ Series Instrukcja Użytkownika Pobierz pdf (Strona 52)

Chapter 3: Manage Menu

Short Guard Interval

Supported

Specifies the dead time interval, in

nanoseconds, between OFDM symbols.

The guard interval prevents Inter-Symbol

and Inter-Carrier Interference (ISI, ICI).

The 802.11n mode supports a reduction in

the interval from 800 nanoseconds,

defined in the a and g standards, to 400

nanoseconds. This may provide up to a

10% improvement in data throughput. The

selections are described here:

- Yes: The access point uses a 400 ns

guard interval when communicating with

clients that also support the feature. This

is the default setting.

- No: The access point uses an 800 ns

guard interval.

This parameter is only available with the

802.11n modes.

Table 3. Modify Radio Settings Window (Continued)

Parameter Description

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 171 172

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