▶ Provide Wi-Fi service in all required location
▶ High-quality signal strength
▶ Maintain high data rates
▶ Improve airtime efficiency
▶ Improve density handling
▶ Provide coverage for 2APs in each location
▶ Improve client roaming
▶ Low latency roaming for real-time application
▶ Redundancy for AP failure
High Client Density
Low Client Density
▶ More spectrum in 5 GHz provides up to 8x the capacity of 2.4 GHz
▶ Understand client mix
▶ Client offered load/ SLA
▶ Model airtime demand
▶ Understand airtime saturation limits (80% BE, 50% BE/VO/VI, 35% VO)
▶ Optimal number of APs
▶ Proper client distribution between 5 GHz and 2.4 GHz
▶ Leave idle airtime for growth
Client Device Efficiency
▶ Isolate APs on the same channel
▶Reduce shared airtime
▶ Limit contention domains
▶ Eliminate external interference
▶ Minimize co-channel interference (CCI) and adjacent channel interference (ACI) between APs on the same or overlapping channels
▶ Ideally, only one AP audible on each channel in a physical location
▶ Ideally, remove sources of external RF interference or avoid impacted channels if they cannot be removed
▶ The 5 GHz band provides 8 times the capacity of 2.4 GHz
▶ Too aggressive can lead to co-channel interference
▶ Too conservative can lead to poor client performance
▶ In-room placement is best for client performance
▶ Avoid hallways, if possible unless required for voice roaming
▶ Leverage RF obstructions for frequency re-use
▶ Consider proper antennas and orientation for signal propagation
▶ Align with on-site signal measurements of RF propagation
▶ Align with AP density and frequency re-use requirements
▶ There are fewer available channels in 2.4 GHz
▶ Disabling radios can prevent co-channel interference and shared capacity between clients
▶ Some APs allow switching 2.4 GHz radio to 5 GHz
▶ Spot-check with actual client devices to ensure the design matches actual client performance
▶ Alternatively, measure with a standard RF site survey adapter and compensate the signal based on the actual client device characteristics
▶ Reduces co-channel interference and shared capacity between clients
▶ Reduces client contention and improves network stability
▶ 802.11b clients can significantly impact network performance
▶ Reduces overhead from management frames and broadcast/multicast traffic
▶ Network overhead increases with each SSID defined
▶ Blueprints/ CAD drawings
▶ Coverage areas
▶ Facility layouts & construction materials
▶ Client number and mix
▶ Client density distribution
▶ Critical applications/ business process
▶ Predictive modeling
▶ Wall attenuation measurements
▶ “AP on a stick” measurement
▶ Wired network integration
▶ RF site survey (passive/ active/ spectrum)
▶ RF tuning channel and power plans
▶ Association and authentication tests
▶ Roaming tests
▶ Spectrum analysis
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@2022 MEC Networks Corporation All Rights Reserved
@2022 MEC Networks Corporation All Rights Reserved