at CES 2002
HomeRF Overview & Update
International Consumer Electronics Show
Property of the HomeRF Working Group
Year in Review
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•
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Reorganized as non-profit organization in January
Ratified HomeRF 2.0 in March
Demonstrated HomeRF 2.0 in May,
made Voice call in June
Created HomeRF European WG in July
Voice/data press tour in August
Shipped HomeRF 2.0 data products in September
– ON SCHEDULE!
•
•
European certification made possible in December
Already working on HomeRF 3.0
Property of the HomeRF Working Group
CES Highlights
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•
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At JP Davis Smart*Home press event
5 speakers on CES panels
Motorola launched simplefi™, won CES
Innovations award
Siemens launched HomeRF phone & VDG
AT&T joined HomeRF Working Group
Numerous private meetings
Property of the HomeRF Working Group
Market Positioning
Personal
Connectivity
•
•
•
•
Home
Network
• Data, Voice,
Low Power
Entertainment
Short Distance
Cable Replacement • Simple, Secure,
Reliable,
Ad-hoc Connection
Affordable
• MDU / MTU
Office
Network
•
•
•
•
Wide Area
Network
Wireless Ethernet • Mobile Phone
Data Only
• PDA
Roaming
• Roaming
Little Interference
PCS, GSM, CDPD,
3G, Ricochet…
PAN
LAN
Property of the HomeRF Working Group
LAN
WAN
for growing Home Network Market
> 25% of U.S. households will be networked by 2004.
> 70% of households planning to buy a home network
prefer wireless.
> 10* more cordless phones are sold in the U.S. than
wireless LANs.
> $4 Billion in home networking equipment by 2005
> $5 Billion in residential gateways by 2005
> $10 Billion in information appliances by 2005
> $10 Billion in Internet access services (2000 estimate)
Sources: Parks Associates, Cahners In-Stat Group, and Yankee Group
Property of the HomeRF Working Group
Multi-Line, Multi-User Phones are
Voice Only Home Networks
Voice
Device
POTS
ISDN
Voice
Device
Property of the HomeRF Working Group
Voice
Device
Broadband Home needs Information,
Communications, Entertainment
POTS
ISDN
xDSL
Cable
Property of the HomeRF Working Group
PC Services on
Handset Display
PC controls the
handset display,
receives all key
presses.
First Step:
Text menus
Text display
Next Steps:
Scripting Extensions
UPnP Proxy
SDK
Speech recognition
Text-to-Speech
Property of the HomeRF Working Group
Bandwidth Requirements
Application
Speed Requirement
Text
300 bps
Telephone (QoS, Latency) 8-64 Kbps
Color Image
25 KB – 2,500 KB
Digital Photos
Digital Music
Video Conferencing
MPEG-4 VoD
1,000–10,000 KB
(QoS) 128–700 Kbps
384-2,000 Kbps
(QoS) 250-750 Kbps
HDTV (compressed) (QoS) 20,000 Kbps
Property of the HomeRF Working Group
HomeRF 2.0 Capabilities
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•
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Data networking based on 802.11 FH
– Ethernet speeds – 10 Mb/s peak data rate
with fallback modes of 5 Mb/s, 1.6 Mb/s and 0.8 Mb/s
Voice support based on DECT
– Up to 8 simultaneous toll-quality cordless voice connections
– Cordless phones outsell WLAN devices 50:1
– Consumer voice revenues are 10X data revenues
Entertainment support via QoS
– Internet audio and video are key apps for broadband
– Up to 8 simultaneous prioritized streaming media sessions for
audio and video
Powerful and effective security measures
– Resists eavesdropping, service denial, unauthorized access
Active interference avoidance techniques
– Bluetooth, cordless phones, microwave ovens, adjacent N/Ws
Property of the HomeRF Working Group
HomeRF Capabilities Roadmap
Enhanced
Video
Voice/Audio
Basic Video
Data
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•
•
•
• Video Tablets
• Set Top Boxes
Gateways
Music Devices
Web Tablets
Cordless Phones
Internet
2000
1.6 Mb/s
2001
10 Mb/s
Property of the HomeRF Working Group
2002/3
25+ Mb/s
Growing Community of Products …
for Voice, Data, Entertainment 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 Robots
and More …
Network Layer View
Existing Upper Layers
UDP
TCP
DECT
IP
HomeRF MAC Layer
CSMA/CA
Priority
CSMA
TDMA
HomeRF PHY Layer
“Ethernet”
Data Path
Streaming
Media Path
Property of the HomeRF Working Group
Toll-Quality
Voice Path
Wireless Choices for the Broadband
Internet home
ATTRIBUTE
HomeRF
Bluetooth
802.11b
Cost

Security

~
Interference Immunity


Toll-Quality Voice Support

~
Streaming Media Support

~
Data Throughput

X

Range

X

Power Consumption


X
~
Form Factor


X
~
Network Topology

~
~
Roaming Outside the Home
~
~
~
Legend:
 - Advantage
~ - Adequate
Property of the HomeRF Working Group

~

X
X
~
X
X
~
X - Disadvantage
RANGE: Signal Strength
Diminishes with Distance
1 Mbps
2 Mbps
5 Mbps
Advertised Data Rate: 11 Mbps
0’
50’
90’
130’
~5 Mbps
~2.5 Mbps
Throughput
~1 Mbps
~0.5 Mbps
300’
PERFORMANCE over Distance
Nominal throughput (Mbps)
HomeRF 2.0 vs. 802.11b
HomeRF provides real-time media
streaming to more nodes over a
greater distance.
6
5
4
MPEG2 Video
3
2
1
Broadband/ MPG 4 Video
Dial-up / MP3 Audio
0
10'
20'
30'
40'
50'
60'
70'
80'
802.11b
90'
100' 110' 120' 130' 140' 150'
HRF 2.0
Source: Practical and Theoretical Calculations
Property of the HomeRF Working Group
Wood and plaster Walls or Floors
are OK. Even Brick.
BUILDING WALL
ATTENUATION: Signal Strength
Diminishes through Materials
Metal and thick rock block the RF
signals.
Property of the HomeRF Working Group
The Higher the
Frequency, the
more signal loss.
5 GHz is worse
than 2.4 GHz.
SECURITY: HomeRF Does Not
Compromise it
BUILDING WALL
… Like Wi-Fi Does
Trivial task to
bypass Wi-Fi
security w/
standard
products
INTERFERENCE: HomeRF hops
around it
DSSS
Time
Time
Frequency
FHSS
Property of the HomeRF Working Group
IEEE 802.11b waits for
Interference to go away
MAC Layer Basics
Bulk of time is allocated
to data networking
time
Data Networking
1
Voice Calls
Hop
Re-Transmit
2
Priority Streams
Within data networking time,
streaming media sessions
get priority access
Reserved time period
based on number of
active voice calls
Property of the HomeRF Working Group
If voice packets fail, they can
be re-transmitted at the start
of the next frequency
Superframes and Subframes
20 ms
fN
Data#1
Ack
#1
Hop
Data#2
Ack
#2
Data#3
Ack
#3
All asynchronous traffic
10 ms
fN+1
fN+2
Hop
fN+3
fN+4
Hop
B
10 ms
Data#4
Ack#
4
Dn
#1
Up
#1
Hop
B
Data#5
Ack#
5
Dn
#1
Up
#1
Data#7
Ack#
7
Dn
#3
Up
#3
Beacon is added for Isochronous traffic and frame length is reduced to 10ms
B
Data#6
Ack#
6
Dn
#3
Dn
#1
Up
#3
Up
#1
Hop
B
Second call is added
First call ends. Frame reordered.
20 ms
fN+5
Data#8
Hop
Ack
#8
Data#9
Property of the HomeRF Working Group
Ack
#9
Data#10
Ack
#10
Active Interference Avoidance
10 ms
Active calls
Active data traffic
fN
Hop
Beacon
Data 1
Ak1
Data 2
Dn2
Up2
Dn5
Up5
Interference 1
contacts fN
Control point allocates
retry of up/down 2
fN+1
Hop
Beacon
Dn2
Up2
Data packet
succeeds on retry
Data 2
Ak2
Normal calls continue
Dn2
Up2
Dn5
Latency is bounded to 10 ms even in the presence of interference
Property of the HomeRF Working Group
Up5
MULTI-PATH: Homes have More
Absorption, Less Reflection
Signals can arrive at
different times and
cancel each other out.
Property of the HomeRF Working Group
Summary
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Ideal for the Broadband (voice, data, entertainment)
Designed and optimized for Households & SOHO:
– Simplicity, Security/Privacy, Interference, Cost, Applications
•
Multimedia network that extends Beyond Data
– Broadband data at Ethernet speeds “plus” toll-quality voice
and streaming media
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Smooth roadmap to 25 Mb/s and beyond
More information at www.HomeRF.org
– Learning Center for W.Papers, Presentations, etc.
Property of the HomeRF Working Group
Membership Structure
Board of Directors
(ratification body)
Steering Committee
(operates group)
Certified Manufacturers
(interoperability logo)
Informational Access Only
(website, specs, meetings, etc.)
Promoters
Contributors
Implementers
Supporters
>50 Total Member Companies
Property of the HomeRF Working Group
Membership levels
Category
Promoter* Contributor*
Commitment
$BIG$
1FTE person
Board of Directors, Ratify Specs
& MRDs, Public identification as
HRFWG Promoters
X
Steering Comm, Develop Specs
& MRDs, Mktg Strategy,
Preferential PR opportunities
X
X
X
X
X
X
X
X
Certify products, RND IP Pool,
Use logo, Review Draft Specs,
Participate in PR events
Access members website,
Copies of Adopted Specs,
Attend General Meetings
$20K/year
1active person
* Indicates membership status requires special approval
Property of the HomeRF Working Group
Implementer
Supporter
$7.5K/year
$2.5K/year,
Or $1K/year*
X
Steering Committee
Board of Directors
General Chair
Ken Haase
Vice Chair
Kevin Duffy
Technical
Dr. Leigh Chinitz
Interoperability
Joan Ceuterick
Admin Services
VTM
Vice Chair - Europe
Dr. Horst Laven
Finance
Ken Haase
(acting chair)
Property of the HomeRF Working Group
Communications
Wayne Caswell
Broadband Service
Provider Council
Vince Izzo