Design Model, Overlap Factor, Radio Description Button

Parameter	Description
802.11a	5 GHz Orthogonal Frequency Division Multiplexing (OFDM) with data rates up to 54 Mbps.

802.11a/b/g + n	Mixed-mode radio type which allows for simultaneous use of 802.11b/g and 802.11n traffic on the 2.4 GHz
	frequency band, and 802.11a and 802.11n traffic on the 5 GHZ frequency band.

802.11b/g + n	Mixed-mode radio type that allows for simultaneous use of 802.11b/g and 802.11n traffic on the 2.4 GHz
	frequency band.

802.11a + n	Mixed-mode radio type that allows for simultaneous use of 802.11a and 802.11n traffic on the 5 GHz
	frequency band.

Design Model

Three radio buttons, defined in Table 372, allow you to control the kind of model used to determine the number and type of APs.

Table 372: Design Model Radio Buttons

	Radio	Description
	Button	Description
	Button
	Coverage	Use this option to let RF Plan automatically determine the number of APs based on desired data
		rates and the configuration of your building.
		The higher the data rate, the smaller the coverage area, and the more APs that are required.
		Coverage is the most common type of installation.

	Capacity	Use this option to let RF Plan determine the number of APs based on the total number of users,
		ratio of users to APs, and desired data rates.
		Capacity-based coverage is useful for high capacity conference or training rooms, where the
		APs could have a high volume of users.

	Custom	Use this option to specify a fixed number of APs.
		Custom coverage is useful for deployments with a known number of APs or if you have a fixed
		project budget.

Overlap Factor

The Overlap Factor is the amount of signal area overlap when the APs are operating. Overlap is important if an AP fails as it allows the network to self-heal with adjacent APs powering up to assume some of the load from the failed device. Although there may be no holes in coverage in this scenario, there is likely to be a loss of throughput.

Increasing the overlap allows for higher throughputs when an AP has failed and allows for future capacity as the number of users increases.

You can select a pre-determined value from the drop-down overlap menu or specify a value in the text box to the left of the drop-down. The following table describes the available options.

Table 373: Overlap Factor Values

Overlap Factor

Description

100% Low

Use this option for buildings that contain open spaces such as warehouses.

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

RF Plan 801

6.2 specifications

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Dell 6.2 manual Design Model, Overlap Factor, Radio Description Button

Models: 6.2

Parameter

802.11b/g + n

802.11a + n

Design Model

Radio

Description

Button

Coverage

Capacity

Custom

Use this option to specify a fixed number of APs.

Overlap Factor

6.2 specifications