Parameter

Description

RX Sensitivity Tuning

In some dense deployments, it is possible for APs to hear other APs on the same channel. This

Based Channel Reuse

creates co-channel interference and reduces the overall utilization of the channel in a given

 

area. Channel reuse enables dynamic control over the receive (Rx) sensitivity in order to improve

 

spatial reuse of the channel.

 

This feature is disabled by default. To enable this feature, click the RX Sensitivity Tuning Based

 

Channel Reuse drop-down list and select either staticordynamic.To disable this feature, click the

 

RX Sensitivity Tuning Based Channel Reuse drop-down list and select disable. For details on

 

each of these modes, see "Reusing Channels to Control RX Sensitivity Tuning" on page 360.

 

NOTE: Do not enable the Channel Reuse feature if "Non 802.11 Interference Immunity" on

 

page 426 is set to level 3 or higher. A level-3 to level-4 Noise Immunity setting is not compatible

 

with the Channel Reuse feature. The channel reuse feature applies to non-DFS channels only. It

 

is internally disabled for DFS channels and is does not affect DFS radar signature detection.

 

 

RX Sensitivity Threshold

RX sensitivity tuning based channel reuse threshold, in - dBm.

 

If the Rx Sensitivity Tuning Based Channel reuse feature is set to static mode, this parameter

 

manually sets the AP’s Rx sensitivity threshold

 

(in -dBm). The AP will filter out and ignore weak signals that are below the channel threshold

 

signal strength.

 

If the value for this parameter is set to zero, the feature will automatically determine an

 

appropriate threshold.

 

 

Protection for 802.11b

(For 802.11g RF Management Profiles only) Enable or disable protection for 802.11b clients. This

Clients

parameter is enabled by default. Disabling this feature may improve performance if there are no

 

802.11b clients on the WLAN.

 

WARNING: Disabling protection violates the 802.11 standard and may cause interoperability

 

issues. If this feature is disabled on a WLAN with 802.11b clients, the 802.11b clients will not

 

detect an 802.11g client talking and can potentially transmit at the same time, thus garbling both

 

frames.

 

 

Associated Profiles

 

 

 

ARM profile

Dell's proprietary Adaptive Radio Management (ARM) technology maximizes WLAN performance

 

by dynamically and intelligently choosing the best 802.11 channel and transmit power for each

 

Dell AP in its current RF environment.

 

Every RF management profile references an ARM profile. If you specify an active and enabled

 

ARM profile, you do not need to manually configure the Channel and Transmit Power parameters

 

for this 802.11a or 802.11g profile. For details on referencing an ARM profile, see "Assigning an

 

ARM Profile" on page 430.

 

The Adaptive Radio Management (ARM) profile associated with this 802.11a or 802.11g radio

 

profile appears beneath the 802.11a/802.11g radio profile name in the profiles list. To change the

 

ARM profile associated with an 802.11a or 802.11g radio profile, select the associated ARM

 

profile in the profiles list then click the drop-down list in the Profile Details section of the page to

 

select a new profile.

 

 

High-throughput radio

A high-throughput profile manages 40 MHz tolerance settings, and controls whether or not APs

profile

using this profile will advertise intolerance of 40 MHz operation. (This option is disabled by

 

default, allowing 40 MHz operation.)

 

A high-throughput profile also determines whether an AP radio using the profile will stop using

 

the 40 MHz channels surrounding APs or stations advertise 40 MHz intolerance. This option is

 

enabled by default. For details on referencing a high-throughput radio profile, see "Assigning a

 

High-throughput Profile" on page 429.

 

The high-throughput radio profile associated with this 802.11a or 802.11g radio profile appears

 

beneath the 802.11a/802.11g radio profile name in the profiles list. To change the high-throughput

 

radio profile associated with an 802.11a or 802.11g radio profile, select the associated high-

 

throughput radio profile in the profiles list then click the drop-down list in the Profile Details

 

section of the page to select a new profile.

 

 

428 Access Points (APs)

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Page 427 Page 429
Page 428
Image 428
Dell 6.2 RX Sensitivity Tuning, Spatial reuse of the channel, RX sensitivity tuning based channel reuse threshold, in dBm
Page 427 Page 429

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