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Noisy Times in Wireless

Noisy Times in Wireless. Welcome to Our World. Wi-Fi: A N ear-Death Experience?. WiMAX to Replace Wi-Fi Within Five Years. WiMAX. ”. June 3 rd 2008. ”. Those who cannot remember the past are condemned to repeat it. - George Santayana. 2. Ruckus ITR Presentation / CHICAGO.

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Noisy Times in Wireless

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  1. Noisy Times in Wireless Welcome to Our World

  2. Wi-Fi: A Near-Death Experience? WiMAX to Replace Wi-Fi Within Five Years WiMAX ” June 3rd 2008 ” Those who cannot remember the past are condemned to repeat it. - George Santayana 2 Ruckus ITR Presentation / CHICAGO

  3. Wi-Fi Powers the Post-PC Era Lighting Projectors Environmental Systems A WORLD GOING WI-FI Ultrabooks Annual Unit Shipments Source: iSuppli 2012 2.8B Wi-Fi devices Tablets Ethernet devices WHY WI-FI? 1.1B 874M 694M • Mobile data plans drive user demand for Wi-Fi • No spectrum fees for Wi-Fi service providers • Low cost/bit in wireless data capacity 2010 2016 3 Ruckus ITR Presentation / CHICAGO

  4. Wi-Fi is the New Ethernet Opens Up Massive New Market Opportunity $25B Ethernet Switch Port Market ($ in billions) YESTERDAY TODAY $1B 95 Source: DellOro Group Today Ruckus ITR Presentation / CHICAGO

  5. Lots of Choices: Everyone has a Thing Access / Security Big and Cloudy Roaming for Voice “Controller-Less” ? Cisco Look-a-Like High Density Super Low Cost Reliability Ruckus ITR Presentation / CHICAGO

  6. The Only Thing that Really Matters The signal, the PHY, the air. It’s the foundation and the only place where speed and capacity can be improved. Ruckus ITR Presentation / CHICAGO

  7. But Wi-Fi Has Personal Issues Coverage: 1997 – present Security: 1997 – 2004 Roaming: 1997 – 2009 Speed: 2003 – present Capacity: June 29th 2007 - present Ruckus ITR Presentation / CHICAGO

  8. It’s Inconsistent vs Ruckus ITR Presentation / CHICAGO

  9. It’s Unruly Ruckus ITR Presentation / CHICAGO

  10. It’s Unclear Interference is a Killer! Dropped connections have a huge and negative impact on business operations Ruckus ITR Presentation / CHICAGO

  11. Doesn’t 5GHz Solve Everything? 5.15 GHz 5.25 GHz 5.470 GHz 5.725 GHz 5.825 GHz 5.35 GHz UNII-1 UNII-2 DFS UNII-3 UNII-2e DFS 36 40 44 48 40MHz • 24 non-overlapping 20 MHz channels • 11 non-overlapping 40 MHz channels • Only 4 non-DFS channels for bonding • Creates channel planning problems similar to 2.4 GHz • 5 GHz isn’t a panacea, RF management is still king 40MHz NON-DFS CHANNELS 149 153 157 161 40MHz 40MHz 11 Ruckus ITR Presentation / CHICAGO

  12. And New Standards Won’t Save You 802.11ac - Next generation Wi-Fi Better, bigger, faster……..? Limited improvement for enterprise customers Ruckus ITR Presentation / CHICAGO

  13. The Key to Better Wi-Fi: SINR When faced with interference, it’s SINR that matters Higher SINR = Higher data rates and capacity So how do you get a high SINR? You can either increase signal or decrease interference Adaptive (smart) antenna systems do both! Receive Signal Level SINR SNR INTERFERENCE Noise Floor T I M E 13 Ruckus ITR Presentation / CHICAGO

  14. Unique, Patented Technology THEM US Dynamic 1:manyrelationship between Wi-Fi radiosand antennas Fixed 1:1 relationship between Wi-Fi radios and antennas Ruckus ITR Presentation / CHICAGO

  15. How Smart Wi-Fi Works • Patented technology that combines: • Smart antenna arrays • Best path selection algorithms • Advanced quality of service engine • Smart mesh RF routing • Centralized Wi-Fi management • Adapts to real-time changes in environmental conditions • Extends signal range (Wi-Fi coverage) 2 to 4 times with fewer APs • Radically simplifies deployment and administration Interference Ruckus ITR Presentation / CHICAGO

  16. Old School Thinking Traditional Approaches to Dealing with RF Interference 1 2 3 Reduces performance,channel capacity Createschaos Reduces coverage, add more APs 16 Ruckus ITR Presentation / CHICAGO

  17. Reducing Co-Channel Interference Ch 1 Ch 6 Ch 11 17 Ruckus ITR Presentation / CHICAGO

  18. Automatic Interference Mitigation Minimizes Packet Loss and Re-Transmissions, Increases Reliability • Interference mitigated by positioning antenna nulls in specific directions • Avoiding interference delivers more benefits than a stronger signal • Better throughput • More predictable connectivity AP Ruckus ITR Presentation / CHICAGO

  19. Adaptive Polarization Diversity 5x Device orientation accounts for up to 5x performance differential among products HORIZONTAL POLARIZATION VERTICAL POLARIZATION Better reception (PD-MRC) forweak and hard to “hear” devices Better transmission to devices constantly changing their orientation Ruckus ITR Presentation / CHICAGO

  20. Please Don’t Believe Us What’s the breaking point for an enterprise AP? How do new 3-stream 802.11n APs performance in a real world environment? How do new 3-stream 802.11n APs performance in a real world environment? Ruckus ITR Presentation / CHICAGO

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