Wi-Fi Access Point Optimization

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Trends in Communications

• Wired wireless,

• Cellular Wi-Fi.

Wi-Fi has become the medium of choice. 2/3 of US consumers prefer Wi-Fi to Cellular. –

Deloitte

By 2017, 60% of Cellular traffic will be offloaded to Wi-Fi.

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Wi-Fi - Drivers

TV

•TV Everywhere content grew 246% last year.

Mobile

•70% of Smartphone Wi-Fi traffic is between 4pm-7am

81%

•81% of users have technology-related issues, •Lo

ading/buffering (24%) and crashing/freezing (23%).

VIDEO

70% of Consumer View over

80% of Consumer View over

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Internet of Things – Just Starting

Source: IDC

In 2020, there will be 6 Billion Mobile Phones, but 25+ Billion Connected Devices

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The Radio Spectrum in the U.S.

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North America Tier #1 MSO Stats

57% of Speed Fixes are Wi-Fi related

58% of Intermittent Internet Fixes are

Wi-Fi related

59% of Intermittent Outage Fixes are

Wi-Fi related

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The Evolution of 802.11 Standards

More Antennas

Wider Channels

More Spatial Streams

More Efficient Modulation

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Data Rate v Distance

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The Biggest User Experience Issues in Wi-Fi

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Primary Sources of Wireless Interference

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RF Interference by Industry

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Physical Barriers to Wi-FiMaterial Attenuation (dB)

2.4 GHz 5 GHz

Interior Drywall 3-4 3-5

Cubicle Wall 2-5 4-9

Wood Door (hollow-solid) 3-4 6-7

Brick / Concrete Wall 6-18 10-30

Glass / Window (not tinted) 2-3 6-8

Double-Pane Coated Glass 13 20

Bullet-Proof Glass 10 20

Steel / Fire Exit Door 13-19 25-32

Human Body 3 6

Free Space .24 / ft. .5 / ft.

Tree (est.) .15 / ft. .3 / ft. Source: Ubee

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Its not all about Signal Strength

Signal Strength is an unreliable measure

Its about Airtime Contention

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Inputs into Wi-Fi Quality Of Experience

Congestion InterferenceSignal

Strength

Different Types of Devices

Number of Devices

Applications

More Real

World

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Don’t Use Range Extenders

Use Multiple Access Points to fill the coverage Gaps

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Installation Best Practices

Planning Site SurveyAccess Point

Placement

Channel Strategy

Birth Certificate

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Walkthrough with the Customer• How Much and what type of media do they consume.• What type of devices and where do they consume the media.• What is the Size of the Residence.• What is the Layout of the Residence.• Is it Possible to Install Access Point in multiple locations.

Planning

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Look at the Numbers

Single Client Testing is not Realistic

Wi-Fi requires multiple clients concurrently tested

Site Survey

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No Two Devices are the Same

802.11n client 802.11ac User Experience

iPhone 5 is not the same radio as iPhone 6

Site Survey

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Speak the Customers Language

Average Number of Apps / Smartphone

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Will HD-Video Streaming work in the Living room

Will Gaming work in the Break room

Site Survey

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Don’t leave it to chance

Complex & Diverse Wi-Fi Environment

Access Point

Placement

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Wi-Fi Channel Selection

Legacy Approach Intelligent Channel Selection

Channel Strategy

Number of AP’s on the channel

Lower RSSI of other networks

Scan All Channels Over Time

Understand the Traffic Mix

Understand each channel Congestion

Understand interference on each channel

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Birth Certificate Saved & Uploaded

Birth Certificate

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In Summary - Stress It then Measure It.

Simultaneous Stress Testing

User Experience

# Devices Location

Traffic

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Greenlee Communications AirScout

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Greenlee Communications AirScout

Optimize the In-Premise Configuration – Channel & AP Location

Identify Wi-Fi dead zones & Slow Zones within the premise

Assess the User Experience over Wi-Fi before finishing an install.

Identify Up-Sell Opportunities to fix coverage gaps and bad user experience

Wi-Fi Access Point Optimization

June 24th 10:30-12pm