What is the Cisco-recommended cell overlap percentage for a typical RToWLAN network design?

The correct answer is B. at least 20. RToWLAN stands for Real-Time over WLAN (voice over Wi-Fi). For seamless roaming in voice deployments, Cisco recommends at least 20% cell overlap (B) between adjacent APs. This overlap ensures that a mobile client always has a second AP available at an acceptable signal level…

WLAN Design

Question

Options

A5 to 10
Bat least 20
Ca maximum of 20
Dat least 50

How the community answered

(41 responses)

A
2% (1)
B
88% (36)
C
7% (3)
D
2% (1)

Explanation

RToWLAN stands for Real-Time over WLAN (voice over Wi-Fi). For seamless roaming in voice deployments, Cisco recommends at least 20% cell overlap (B) between adjacent APs. This overlap ensures that a mobile client always has a second AP available at an acceptable signal level before it loses usable connectivity with the current AP, allowing a smooth handoff without call drops. A 5–10% overlap (A) is too small and risks coverage gaps. A maximum of 20% (C) is too restrictive and may not guarantee coverage continuity. At least 50% (D) would waste spectrum and cause excessive co-channel interference.

Topics

#RToWLAN#cell overlap#voice over WLAN#coverage design

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