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Essential Tips for Designing High-Density Wi-Fi Networks

Discover key strategies for designing high-density Wi-Fi networks that cater to demanding environments. This comprehensive guide covers crucial considerations such as determining required capacity, understanding client device types and quantities, and optimizing application throughput per user. Learn about RF design principles, the benefits of leveraging 5 GHz bands, the importance of site surveying (predictive, active, passive), and effective bandwidth management. Explore advanced network features like load balancing and airtime fairness to maximize performance while minimizing interference and enhancing user experience.

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Essential Tips for Designing High-Density Wi-Fi Networks

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  1. High-DensityWi-Fi DesignTips and Tricks Devin AkinChief Wi-Fi Architect

  2. Design Considerations • Determining Required Capacity • Client Device Types and Quantity • Targeted Application Throughput (per User/Device) • Key RF Design Principles • Leverage 5 GHz Bands For Capacity • Primarily Use 20 MHz Channel Widths • Create a Balanced Link with Clients

  3. Design Considerations (cont.) • Site Surveying is a MUST • Types: Predictive, Active, Passive • Pre-Deployment and Post-Deployment • Cell Sizing to Maximize SNR • Maintain Clients at High Data Rates • Minimize CCI / ACI

  4. Design Considerations (cont.) • Designing Around the Facility Characteristics • Leverage RF Obstructions for Channel Reuse • Carefully Consider AP Mounting Locations • Co-locating APs to Increase Capacity • Appropriate Use of Antennas

  5. Network Configuration & Features • Bandwidth Management Techniques • Use WPA2 (AES-CCMP) or Open (no encryption) • Enable WMM & Prioritize Key Applications • Disable Low Data Rates • Minimize Airtime Utilization • Client Rate Limiting

  6. Network Configuration & Features (cont.) • Performance Enhancement Features • Bi-Directional Band Steering • Client Load Balancing • Airtime Fairness and Client SLA Configured Band Steering Ratio

  7. Network Configuration & Features(cont.) • Wired Network Requirements • GigEthSwitch Ports and PoE(+) • RADIUS Server Redundancy • IP Addressing & Subnet Sizing • Internet / WAN Bandwidth • Network Management • On-Premise Management • Performance Monitoring & Tuning 1000 Mbps PoE

  8. Thank you

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