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©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug Powerline CommunicationsHomePlug Powerline CommunicationsDr. Richard Newman, University of FloridaCameron McCaskill, Intellon Corporation
April 27, 2005
©2005 Intellon Corporation. All rights reservedPage 2
HomePlug PresentationHomePlug Presentation
HomePlug Alliance Overview PLC Challenges and Technologies HomePlug Standards Intellon Corporation HomePlug Applications – MSO Perspective
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug Powerline AllianceOverviewHomePlug Powerline AllianceOverview
©2005 Intellon Corporation. All rights reservedPage 4
The HomePlug Powerline AllianceThe HomePlug Powerline Alliance A non-profit corporation A forum for the creation of an open standard
and specification for home powerline networking products and services• accelerate the demand for standards-based products• sponsor market and user education programs
http://www.homeplug.org/
©2005 Intellon Corporation. All rights reservedPage 5
HomePlug Powerline AllianceHomePlug Powerline Alliance
50+ total alliance members and growing Multi-market sponsor (board) members:
©2005 Intellon Corporation. All rights reservedPage 6
HomePlug Alliance HistoryHomePlug Alliance History March 2000:
Alliance founded by 13 industry-leading companies, Specification development process is created
May 2000:Baseline technology selected for HomePlug 1.0
June 2001:HomePlug 1.0 SpecificationSelection and verification completed in less than 1 year
February 2003:HomePlug AV effort is started
Today:• Over 50 members strong• HomePlug 1.0 based products are sold worldwide• HomePlug AV Specification is in its final stages• HomePlug BPL effort is underway
©2005 Intellon Corporation. All rights reservedPage 7
HomePlug networking specifications are the only globally recognized technology for high-speed powerline networking.
HomePlug networking specifications are the only globally recognized technology for high-speed powerline networking.
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
Powerline Communication Challenges and TechnologiesPowerline Communication Challenges and Technologies
©2005 Intellon Corporation. All rights reservedPage 9
PLC Challenges and TechnologiesPLC Challenges and Technologies Powerline medium Regulatory issues PHY MAC
©2005 Intellon Corporation. All rights reservedPage 10
Powerline Medium - In-HomePowerline Medium - In-Home
Variable impulse response lengths High attenuation Frequency selective fading Cyclo-stationary noise Significant impulse noise Episodically stable channels - unique per pair
©2005 Intellon Corporation. All rights reservedPage 11
Powerline Medium - Impulse ResponsePowerline Medium - Impulse Response
©2005 Intellon Corporation. All rights reservedPage 12
Powerline Medium - Frequency ResponsePowerline Medium - Frequency Response
©2005 Intellon Corporation. All rights reservedPage 13
Powerline Medium - Impulse NoisePowerline Medium - Impulse Noise
Halogen light Yard light
Light dimmer Hair dryer
©2005 Intellon Corporation. All rights reservedPage 14
Powerline Regulatory EnvironmentPowerline Regulatory Environment FCC part 15 Rules in US Licensed bands - limits Notching for ham bands Emission limits (esp. > 30 MHz) International -
• Variety of limits in Europe• Japan may revise rules to allow PLC
State of Flux = Next gen products will include programmable notching
©2005 Intellon Corporation. All rights reservedPage 15
Powerline PHY ChallengesPowerline PHY Challenges
Usable bandwidth not contiguous Regulatory emission limits High noise floor
• Appliances• RF interference
Impulse noise common Selective, time-varying fading channels
Achieve high/full coverage Operate near the Shannon limit
©2005 Intellon Corporation. All rights reservedPage 16
Powerline PHY TechnologiesPowerline PHY Technologies Sync detect for PCS
Modulation• OFDM vs. Wavelets• Symbol length, shaping• Cyclic prefix (guard interval)
Forward Error Correction• Copy codes• Turbo codes vs. concatenated RS/CC• Block size choices• Cross-layer adaptation with MAC ARQ
©2005 Intellon Corporation. All rights reservedPage 17
Powerline MAC ChallengesPowerline MAC Challenges
Must support channel adaptation Handle impulse noise events Cope with no real PCS Cope with no collision detection Provide delivery guarantees for multimedia Provide security
Be very efficient
©2005 Intellon Corporation. All rights reservedPage 18
Powerline MAC TechnologiesPowerline MAC Technologies
Channel estimation Virtual Carrier Sense Contention-free TDMA CSMA/CA for burst traffic Framing ARQ Clock synchronization for jitter control cryptography RTS/CTS
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug StandardsHomePlug Standards
©2005 Intellon Corporation. All rights reservedPage 20
HomePlug StandardsHomePlug Standards
HomePlug 1.0 HomePlug AV HomePlug BPL
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug 1.0HomePlug 1.0
©2005 Intellon Corporation. All rights reservedPage 22
HomePlug 1.0 PHYHomePlug 1.0 PHY
OFDM 76 carriers used from 4.4-20.7 MHz 5.12us symbol time + 3.28us guard interval BPSK/QPSK differential modulation Concatenated Reed-Solomon/Convolutional code Rate 1/2 and 3/4 code selection Robust Performance in presence of Noise/Jammers Up to 14 Mbps raw PHY rate/10 Mbps after coding ROBO mode for broadcast/multicast Physical Carrier Sense base on sync detection
©2005 Intellon Corporation. All rights reservedPage 23
HomePlug 1.0 MACHomePlug 1.0 MAC
CSMA/CA Virtual Carrier Sense - length in FC 4 levels of priority for differentiated service Advanced contention resolution Variable tone map, including code rate selection Packets of ~0.5ms to ~2ms Packet bursting to avoid contention Stop&Wait ARQ 56-bit DES in CBC mode for privacy Bridging function
©2005 Intellon Corporation. All rights reservedPage 24
HomePlug 1.0 PerformanceHomePlug 1.0 PerformanceIPT32 Throughput distribution - 472 houses - 6690 paths 5-11-01
0
200
400
600
800
1000
1200
1400
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5
Mbps
Nu
mb
er
of
pa
ths
.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
80.00%
90.00%
100.00%
% o
f p
ath
s w
ith
th
rou
gh
pu
t e
xc
ee
din
g X
ax
is v
alu
e
total paths in this 100 kbps band of thruput -includes missing pc2 files
no missing PC2 files
including missing PC2 files that could be noconnects
> 5 Mbps in 80% of paths
> 1.5 Mbps in 98% of paths
©2005 Intellon Corporation. All rights reservedPage 25
HomePlug 1.0 HistoryHomePlug 1.0 History
March 2000HomePlug
formed
June 2000HomePlug1.0
BaselineTechnology
selected
FinalizedDraft
Specification
500 HomeField Trial
June 2001HomePlug 1.0Spec Released
FirstHomePlug 1.0
compatibleChip Set avail.
Q1/2002First HP1.0products to
market
July 2002First Single-
Chip solutionsfor HP1.0
HomePlug 1.0products continue
to sell oninternational basis
2000 2001 2002 2003
Q2 2004: 1 millionth IC soldQ4 2004: 2 millionth IC sold
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug AVHomePlug AV
©2005 Intellon Corporation. All rights reservedPage 27
HomePlug AV PHYHomePlug AV PHY
Windowed OFDM – 917 carriers 1.8 – 30 MHz
40.96us symbol time, 4.96us rolloff Variable Cyclic Prefix Turbo Convolution Codes, copy codes Robust Frame Control (-5 dB) Robo Modes (5 & 10 Mbps) Bit Loaded Payload
• Tone Maps synchronized with AC line cycle• coherent modulation up to 1024-QAM• 200 Mbps channel rate / 150 Mbps information rate
©2005 Intellon Corporation. All rights reservedPage 28
HomePlug AV MACHomePlug AV MAC
Central Controller (CCo) for network management
Two access methods• CSMA • TDMA
Continuous channel adaptation 2-Level Framing with SACK
• 80%+ efficiency range for video
128-bit CBC mode AES-based security
©2005 Intellon Corporation. All rights reservedPage 29
HomePlug AV MAC - Medium AccessHomePlug AV MAC - Medium Access All stations in logical network associate with CCo CCo selection by station capabilities and location TDMA link allocations are provided by CCo
• CCo does call admission, schedules dynamically• Beacons generated by CCo contain schedules• Used by streams requiring guaranteed Quality of Service
– HDTV, SDTV, Home Theater Audio, VoIP
CSMA/CA Regions specified by CCo• Similar to HomePlug 1.0• For asynchronous traffic
©2005 Intellon Corporation. All rights reservedPage 30
HomePlug AV - Other FeaturesHomePlug AV - Other Features
Advanced Network Management capabilities• plug-and-play• user and service provider set-up and configuration• SNMP MIBs
Co-existence modes • HomePlug 1.0.1• Broadband over Powerline (BPL) • multi-network operation and hidden node service
©2005 Intellon Corporation. All rights reservedPage 31
HomePlug AV - Field Performance (34 homes)HomePlug AV - Field Performance (34 homes)
PHY Rate Waterfall
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
PHY Rate (Mbps)
Path
Cov
erag
e (%
)
©2005 Intellon Corporation. All rights reservedPage 32
HomePlug AV StatusHomePlug AV Status
May 2003HomePlug AVRFP released
Completion of HomePlug AV Specification
Q2/2004Technology Selection for
HomePlug AV
First HomePlug AVICs available
2003 2004 2005
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug BPLHomePlug BPL
©2005 Intellon Corporation. All rights reservedPage 34
HomePlug BPL: Yesterday HomePlug BPL: Yesterday
Most BPL Solutions
Most BPL Solutions HomePlug
v1.0
HomePlug v1.0
The Internet
The Internet
©2005 Intellon Corporation. All rights reservedPage 35
The Vision: All Together NowThe Vision: All Together Now
HomePlug BPL
HomePlug BPL HomePlug
AV and v1.0
HomePlug AV
and v1.0
The Internet
The Internet
©2005 Intellon Corporation. All rights reservedPage 36
HomePlug BPL Specification StatusHomePlug BPL Specification Status Builds on the HomePlug AV Specification Interoperable with HomePlug AV devices Adds features unique to BPL
• Multiple CCo Management• Routing & Concatenation
Leverages economy of scale of HomePlug AV• Same ICs will likely support both HomePlug AV & BPL
BPL Specification• Preliminary complete October 2005• Ratified November-December 2005• ICs available December 2005
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
Intellon CorporationIntellon Corporation
©2005 Intellon Corporation. All rights reservedPage 38
What Intellon DoesWhat Intellon Does
We design and build integrated circuits that allow products to communicate over existing powerlines.
Adapters Embedded Products
Plugging the resulting product into any power outlet provides power and reliable connectivity.
Instant Networking: Just Plug It In!
©2005 Intellon Corporation. All rights reservedPage 39
Intellon CorporationIntellon Corporation
World leader in powerline communications technology, IC sales and product enablement
Two IC product lines• HomePlug® – main revenue driver• SSC – legacy line for command and control, trucking
Have shipped over 5 million powerline ICs, including 2+ million HomePlug 1.0 chipsets
80 employees (48 engineers) + 30 contractors Offices in Ocala, Florida (HQ), Toronto and San
Jose, CA
©2005 Intellon Corporation. All rights reservedPage 40
Key Companies EnabledKey Companies Enabled
©2005 Intellon Corporation. All rights reservedPage 41
Products with Intellon ICsProducts with Intellon ICs
Adapters PL-Ethernet adapter PL-USB adapter PL-802.11g wireless
range extender/AP Digital/analog audio
bridge
Embedded Products Desktop PC Media TV DSL gateway Cable gateway VoIP gateway IP security camera Satellite receiver
• Back channel application
Audio streamer
©2005 Intellon Corporation. All rights reservedPage 42
Intellon’s ICsIntellon’s ICs
HomePlug 1.0 – 14 MbpsIC: INT5200Available: NowAdd-In BOM Cost: $10Primary Applications: Service provider gateways (cable, ADSL),broadband installation extension cord, set top box back channel, WiFi extension, VoIP extension, audio streaming, home security
HomePlug 1.0 w/ Turbo Mode – 85 MbpsIC: INT5500Available: NowAdd-In BOM Cost: $12-15Primary Applications: Standard definition (SD) television streaming, IPTV gateways and set top boxes, high-end/multi-room audio
HomePlugAV – 200 MbpsIC: INT6000Available: Q4 2005Add-In BOM Cost: $17-20Primary Application: Multiple high definition (HD) television streaming, multi-room PVR
©2005 Intellon Corporation. All rights reservedPage 43
Service Providers Deploying HomePlugService Providers Deploying HomePlug
©2005 Intellon Corporation. All rights reservedPage 44
Quote from Comcast VPQuote from Comcast VP
“Our 2004 trial confirmed that HomePlug adapters are reliable and simple to install, providing an excellent alternative in older homes, for example, where broadband installations can be more challenging…HomePlug adapters support our vision by enabling our customers to easily add additional computers and broadband devices wherever they want throughout their home.”
Mitch Bowling, VP of Operations and Technical Support, Comcast Corporation, April 2005
©2004 Intellon Corporation. All rights reserved©2005 Intellon Corporation. All rights reserved
HomePlug ApplicationsMSO PerspectiveHomePlug ApplicationsMSO Perspective
©2005 Intellon Corporation. All rights reservedPage 46
HomePlug Applications – Broadband HomePlug Applications – Broadband ExtensionExtension
©2005 Intellon Corporation. All rights reservedPage 47
HomePlug Applications – VoIP ExtensionHomePlug Applications – VoIP Extension
©2005 Intellon Corporation. All rights reservedPage 48
HomePlug Applications – WiFi ExtensionHomePlug Applications – WiFi Extension
©2005 Intellon Corporation. All rights reservedPage 49
HomePlug Applications – Home HomePlug Applications – Home NetworkingNetworking
©2005 Intellon Corporation. All rights reservedPage 50
HomePlug Applications – HD Video HomePlug Applications – HD Video NetworkingNetworking
©2005 Intellon Corporation. All rights reservedPage 51
The HomePlug Digital HomeThe HomePlug Digital Home
©2005 Intellon Corporation. All rights reservedPage 52
HomePlug Benefits to MSOsHomePlug Benefits to MSOs
Increase Self-Install Rate of Broadband & VoIP Deployment
Ease professional installations that would otherwise require drilling holes and fishing cables
Provide a rock-solid, whole house network backbone to all 40+ power outlets in the home
Deploy multi-room PVR and HD video networking with No New WiresTM
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