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WiNG 5.X How-To Guide – Smart RF

Page 23

2.4.3 Coverage Hole Recovery

The Coverage Hole feature performs power changes when Wi-Fi devices connectivity falls below a

defined SNR threshold. The Client Threshold, SNR threshold, Coverage Interval and Interval parameters

are automatically assigned the optimum values based on the Sensitivity value selected in the Basic

Configuration screen. These values can also be modified when setting the Sensitivity value to Custom.

Web-UI

CLI Command Syntax

coverage-hole-recovery client-threshold <2.4GHz|5GHz> <1-255>

coverage-hole-recovery snr-threshold <2.4GHz|5GHz> <1-75>

coverage-hole-recovery coverage-interval <2.4GHz|5GHz> <1-20>

coverage-hole-recovery interval <2.4GHz|5GHz> <1-120>

The following table provides a detailed overview of each important Coverage Hole Recovery parameters

which can be defined for both 2.4 GHz and 5 GHz Smart RF managed radios:

Parameter

Description

Client Threshold

Defines the number of Wi-Fi clients detected that fall below the SNR threshold before

recovery takes place. The default is 1 client when a Medium Sensitivity is selected.

This setting can be modified as it may not be desirable to adjust power every time a

single Wi-Fi client falls before the defined SNR threshold.

SNR Threshold

Defines the minimum signal-to-noise ratio heard from the Wi-Fi client before recovery

takes place. The default is 20 dB when a Medium Sensitivity is selected.

As a best practice is it never recommended to set the SNR below 20 dB. When Wi-Fi

clients are detected below the defined SNR, recovery will take place.

Coverage Interval

Defines the interval coverage hole recovery should be initiated by a Smart RF

managed radio when a coverage hole is detected. The default is 10 seconds when a

Medium Sensitivity is selected.

When a coverage hole has been detected and recovery is taking place, the detection

becomes more aggressive in determining if the coverage hole still exists.

Interval

Defines the interval in which coverage hole detection takes place by a Smart RF

managed radio. The default is 30 seconds when a Medium Sensitivity is selected.

Note that this interval may need to be lowered in environments such as warehouses

where coverage is critical (i.e. low cell count, large cell size).

Table 2.4.3 – Coverage Hole Recovery

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 50 51

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