Building a robust Wi-Fi Network
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1 Building a robust Wi-Fi Network W E B I N A R
2 2 Topics Covered 1 Company Details About Us Global Presence Clients 2 RF: The Invisible beast CTO Talk WiFi Evolution Frequency Interference MIMO Speed vs Range Crowding Coverage Holes Radiation Blindness Path Heterogeneity 3 Managed vs Unmanaged CEO Talk WiFi Challenges Installation Issues Best Practices Public WiFi Regulations Value Proposition Feedback forms and this presentation will be shared after the webinar In case we are inaudible Please check your internet connection Let us know in the chat Let us know what you would like to learn about in the feedback form and we will make it happen. Like and follow us on Facebook and Google reviews to win prizes.*
3 About Wifi-soft Wifi-soft provides a complete range of wireless networking solutions for managing public and private wireless networks and Wi-Fi hotspots. A few statistics about our company are as below, Among the top 3 hotspot companies in the world Presence in 45+ Countries One stop shop for any wifi requirement venues Offices in USA, UAE and India Acclaimed brand of the year 2016 by Silicon India 12+ years of industry leadership Resellers in 20+ countries Long list of satisfied clients 24x7 customer support
4 4 International Marquee Customers Our Happy Clients
5 5 Domestic Marquee Customers Our Happy Clients
6 6 Sohail Ahmad CTO, Wifi-soft
7 7 Wi-Fi BASICS RF: The Invisible Beast Interference Crowding effect Coverage holes Radiation blindness Path heterogeneity
8 8 11 Mbps 1999: b WIFI BASICS Wi-Fi Evolution 54 Mbps 2003: g Every 4-5 years there is a new standard available in the market 300 Mbps 2009: n Wi-Fi speed has seen growth of approx. 5X increase in the speed Current generation of Wi-Fi has broken the Gigabit barrier > 1Gbps 2012: ac
9 9 Wi-Fi BASICS Frequency Wi-Fi operates in two different frequency bands 2.4 GHz Band : Total 11 channels, only 3 nonoverlapping channels 5 GHZ Band: Divided into three sub-bands - U-NII 1 - U-NII 2 & U-NII 2 Extended - U-NII channels available
10 10 Wi-Fi BASICS Frequency
11 11 Wi-Fi BASICS Interference Three types of interference Co-channel Cross-channel AP1 AP3 AP2 AP1 AP2 Microwave AP1 Cameras Bluetooth Non-WiFi CO-CHANNEL CROSS-CHANNEL NON-WIFI
12 12 Wi-Fi BASICS Interference- 2.4GHz 5 MHZ CHAN 1 CHAN 2
13 13 Wi-Fi BASICS Interference- 2.4GHz 10 MHZ CHAN 1 CHAN 3
14 14 Wi-Fi BASICS Interference- 2.4GHz 25 MHZ CHAN 1 CHAN 6
15 15 Wi-Fi BASICS Interference- 5GHz 20 MHZ CHAN 36 CHAN 40
16 16 Wi-Fi BASICS MIMO Reception of signal via multiple path was considered bad for wireless technology MIMO technology enabled constructive use of signal from multiple paths It uses multiple transmitter antenna to transmit multiple streams simultaneously Requires multiple antennas at the receiver to decode multiple streams
17 17 Wi-Fi BASICS Which is better- 2x2, 3x3, 4x4 or higher? The more the better.but Most of battery powered devices such as smartphones support 1x1 MIMO Most laptops and tablets come with 2x2 MIMO support Public Hotspot SMB Enterprise 2x2 MIMO 2x2 MIMO 2x2 or more Dual radio Dual radio Dual radio or more 11n or 11ac 11ac or more 11ac Wave2 750 Mbps 1200 Mbps 2.1 Gbps
18 18 Wi-Fi BASICS Speed vs Range 6Mbps Link speed decreases as the distance between AP and client increases The lowest possible speed at which client can connect is 6Mbps Total throughput that a user gets depend on the link speed 75 Mbps 150 Mbps 300 Mbps
19 19 Wi-Fi BASICS Crowding One AP is fully loaded while other AP has no load Often happens in dense user environment- Enterprises, conferences etc. AP 1 < 5 Users AP 2 > 20 Users AP doesn t support load balancing Degrades performance of the network drastically
20 20 Wi-Fi BASICS Coverage Holes In a typical office or indoor environment, difficult to visualize coverage problem Manual site survey can also be done to discover it but not practical always Requires automated software tool to discover potential coverage holes
21 21 Wi-Fi BASICS Radiation Blindness Enterprise grade APs come with optimized antenna to provide good coverage Ceiling mount APs have better coverage in horizontal plane Use of ceiling mount APs on a wall, or tilting external antenna are examples which create performance problem
22 22 Wi-Fi BASICS Path Heterogeneity 30 dbm, EIRP=36dBM 20 dbm, EIRP=22dBM
23 23 Wi-Fi BASICS Path Heterogeneity HIGH RANGE More signal bars doesn t mean you can connect Happens more with mobile devices-they are not designed to transmit at very high power Range claim done by most vendor fall flat in connectivity test MEDIUM RANGE LOW RANGE Range factors-distance, Speed, Noise, LOS
24 24 Rishi Ghare CEO, Wifi-soft
25 25 Robust Managed Vs. Unmanaged Wi-Fi 1. Simple design 2. Better coverage 3. Good channel utilization 4. Optimal and monitored Aps 5. Managed network 6. External protection 7. Better throughput 8. More user handling capacity Better throughput Greater visibility Proactive failure mitigation Monitored Less RF interference Less customer complains B/w shaping Limited No visibility Reactive failure mitigation Unmonitored Unpredictable RF Customer dissatisfaction B/w hogging
26 26 Wi-Fi Challenges 1. Unlicensed spectrum 2. Too much interference 3. Less channel width 4. Limited coverage area 5. Misconceptions 6. Unregulated 7. Too Much expectations 8. Noise & signal degradation 9. Rogue SSIDs
27 27 Installation Issues 1. Bad RF Design 2. Improper Channel Assignment 3. Improper Antenna Selection 4. Network Structure 5. Too Much Power 6. Bad Crimping & Mounting 7. Device Selection (Switch, Internet, APs) 8. PoE/ Power
28 28 Results of Bad Setup 1. Loss of Speed/ Throughput 2. Interference 3. Unreliable Connectivity 4. AP Hopping 5. Disconnections 6. Pocket Loss/ Latency 7. Wastage of Resources
29 29 Best Practices 1. More APs, Less Power MHz Channels for Dense Environments 3. Go Gigabit 4. Better APs (Managed) 5. AP Placement 6. Channel Assignments 7. VLANs 8. Plan Bandwidth Requirements
30 30 Best Practices 9. Band Steering 10. Load Balancing 11. Common SSID (Roaming) 12. Separate Networks 13. Don t Buy Expensive Right Size your Network 14. Manage & Monitor Network 15. Diagnostic Logs
31 31 Public Wifi 1. Three types of Wifi 2. Public, Enterprise & Home 3. Requirements of Public wifi 4. Limitations 5. Security 6. Indoor v/s Outdoor 7. Statistics 8. Venues Covered
32 32 Regulations 1. Wi-Fi Security 2. KYC of Customers 3. Data Logging 4. GDPR, Calea, TRAI Compliance 5. URL Blocking/ Traffic Control 6. Law Enforcement Compliance 7. IPR, Copyright Protection
33 33 Network Diagram
34 34 Wifi-soft Value Proposition 1. Complete Integrated Solution 2. Right Sizing 3. Unified Controller 4. Managed Network 5. Better Visibility & Control 6. Simple & Intuitive years of Expertise 8. Solid Partner Network 9. Global Experience (R&D) 10. Fabulous Support
35 35 Product Introduction 1. All in one controller 2. Available in various models 3. Enterprise & Public Wi-Fi 4. Built-in AAA, Captive Portal 5. Vendor Independent UniBox 6. User Management & Bandwidth Control 7. TRAI Compliant 8. Hotspot Billing
36 36 9. PMS/ LDAP/ GSuite/ Social Media UniBox 10. Wireless Controller 11. Reporting & Analysis 12. Multi-WAN 13. Web Filtering 14. Firewall 15. Policy Management 16. Multiple Login Methods 17. Scalable/ Redundancy
37 37 Product Introduction UniMax 1. Enterprise Class APs 2. PoE Enabled 3. Managed 4. Right Sized 5. Wide Variety of models 6. Cloud/ Controller Controlled 7. Hotspot Ready 8. Single Console Management 9. Advanced Features
38 38 Product Introduction af/at Compliant 2. High Power 3. Various Models 4. Gigabit PoE 5. Fiber & Gigabit Uplink PoE Switches 6. Mode A/B
39 39 THANKS Any questions? Please contact us at Please Provide us with your feedback and get a chance to win exclusive prizes and event invites. Click here
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