300-425 · Question #62
What is the recommended cell overlap when designing a wireless network for Cisco Hyperlocation?
The correct answer is A. 20%. Cisco Hyperlocation requires a 20% cell overlap between access points to achieve the high-precision location accuracy the system is designed to deliver.
Question
What is the recommended cell overlap when designing a wireless network for Cisco Hyperlocation?
Options
- A20%
- B30%
- C40%
- D50%
How the community answered
(22 responses)- A91% (20)
- C5% (1)
- D5% (1)
Why each option
Cisco Hyperlocation requires a 20% cell overlap between access points to achieve the high-precision location accuracy the system is designed to deliver.
Cisco Hyperlocation uses Angle of Arrival (AoA) calculations combined with Received Signal Strength (RSS) data from a dense AP grid, and a 20% cell overlap is the recommended design threshold to ensure sufficient multi-AP signal coverage for computing 1-3 meter location accuracy without causing excessive co-channel interference.
30% cell overlap is the typical recommendation for voice and fast-roaming deployments, not for Cisco Hyperlocation location-accuracy requirements.
40% overlap exceeds Hyperlocation design guidance and introduces unnecessary co-channel interference without improving location precision.
50% overlap is far beyond the Hyperlocation design requirement and would degrade overall network performance due to significant co-channel interference.
Concept tested: Cisco Hyperlocation AP cell overlap design requirement
Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-8/b_cisco_hyperlocation_deployment_guide.html
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