Without a PLAN thatWithout a PLAN thatmeets customermeets customer
requirements, yourequirements, youend up with …end up with …
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
… … a mess.a mess.
Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
Designed & Optimized for HouseholdsAvoids Common Pitfalls
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
• Simple
• Secure
• Reliable
• Affordable
• Convenient
• Ideal forBroadband
A NEW Category
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
RANGE: Signal Strength Diminishes with Distance
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
Advertised Data Rate: 11 Mbps
1 Mbps
5 Mbps
2 Mbps
~1 Mbps
~0.5 Mbps
Throughput
~5 Mbps
~2.5 Mbps
0’ 50’ 90’ 130’ 300’
AdvertisedRange
150’
RANGE: Signal Strength Diminishes with Distance
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
~5 Mbps
~2.5 Mbps
~0.5-0.8 Mbps
Throughput
0.8-1.6 Mbps
5 Mbps
0’ 85’ 130’ 150’
Advertised Data Rate: 10 Mbps
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Performance over DistanceHomeRF 2.0 vs. 802.11b
0
1
2
3
4
5
6
10' 20' 30' 40' 50' 60' 70' 80' 90' 100' 110' 120' 130' 140' 150'
802.11b HRF 2.0
No
min
al t
hro
ug
hp
ut
(Mb
ps)
Broadband/ MPG 4 Video
MPEG2 Video
Dial-up / MP3 Audio
Source: Practical and Theoretical Calculations
HomeRF provides real-time media streaming to more nodes over a greater distance.
HomeRF 2.0 is a reliable connection over HomeRF 2.0 is a reliable connection over distance, better than 802.11b.distance, better than 802.11b.
Assuming indoor – real world – conditions Assuming indoor – real world – conditions (plotted above):(plotted above):
802.11b backsteps @ 50 feet, HomeRF 802.11b backsteps @ 50 feet, HomeRF 2.0 is consistent through 80 feet.2.0 is consistent through 80 feet.
HomeRF 2.0 is a reliable connection over HomeRF 2.0 is a reliable connection over distance, better than 802.11b.distance, better than 802.11b.
Assuming indoor – real world – conditions Assuming indoor – real world – conditions (plotted above):(plotted above):
802.11b backsteps @ 50 feet, HomeRF 802.11b backsteps @ 50 feet, HomeRF 2.0 is consistent through 80 feet.2.0 is consistent through 80 feet.
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
ATTENUATION: Signal Strength Diminishes through Materials
BU
ILD
ING
WA
LL
Wood and plaster Walls or Floors are OK. Even Brick.
Metal and thick rock block the RF signals.
The Higher the Frequency, the more signal loss.
5 GHz is worse than 2.4 GHz.
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Designed for Homes:More Absorption, Less Reflection
Signals can arrive at different times and cancel each other out.
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
Wireless is a New & Emerging Market
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
Ethernet
Desk
Office PCs mostly attach to EthernetHome PCs do too, but there are differences.
Wireless LANs appear, Slowly at first
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
Ethernet
Access Point
ConferenceRoom
Desk
has 3 non-overlapping Channels
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
Ethernet
Access Point
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
Does Not Compromise Security …
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
… Like Wi-Fi Does
BU
ILD
ING
WA
LL
Trivial task to bypass Wi-Fi
security w/ standard products
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Gateways offer Firewall SecurityBut Power Line & RF extend Outdoors,
InternetEthernet
HomePNA or HomePlug
so beware of Compromises!
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
is Neighbor Friendly
ideal for Broadbandavoids Interfenence
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Hops Out of Interference
FHSS DSSS
TimeTime
Fre
qu
en
cy
Wi-Fi waits for Interference to go away
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Growing Community of Products … for Voice, Data, Video Applications
USB Adapters (Desktop PCs) PC Cards (Notebook PCs) Compact Flash (PDAs, HPCs) Web Tablets Home Gateways Cable Modems DSL Modems STB & Video Products Automotive Products Music Products Phone Products Home Robotsand More …
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
Roadmap
20001.6 Mbps
possible:100 Mbps
Data &Data &InternetInternet• PC N/W• Gateways
Internet
Voice/AudioVoice/Audio& Basic Video& Basic Video• Gateways• Music Devices• Web Tablets• Cordless Phones
200110 Mbps
EnhancedEnhancedMultimediaMultimedia• Video Tablets• Set Top Boxes• Public Places
200240+ Mbps
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
PC Services on Handset Display
PC controls thehandset display, receives all key presses.
First Step:First Step:Text menusText display
Next Steps:Next Steps:Scripting ExtensionsUPnP ProxySDKSpeech recognitionText-to-Speech
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Range, Signal Attenuation
• Multi-path Reflections, Absorption
• Scalability, Apartments
• Security, Privacy
• Interference Immunity
• Applications, Performance
Selling and Justifying the Added Value
Avoids Common Pitfalls
Electronic House Expo/Fall 2001 Long BeachS59: Installing Wireless - The Configuration Choices
• Consumers – Convenience and Mobility:– No Wiring cost or complexity– Existing Devices get New Function & Value– Bundles: Single Bill & Support # and Monthly Savings
• Carriers – Integrated Bundles:– New Revenue Sources (e.g. more phone lines)– Operational Efficiencies (e.g. digital capacity vs. analog)– Revenue Protection (e.g. long distance eroding)– Customer Loyalty and Competitive Barriers
• Individual services become commodities• Limit switching incentives• Bundle or perish
Extension of Wired InfrastructureBenefits Consumers & Carriers
www.HomeRF.org
Electronic House Expo/Fall 2001 Long BeachS52: Selling, Justifying & Designing Wireless Home Networks to Avoid Common Pitfalls
[email protected] Communications Chairman
Thank You