Home Plug Powerline Communications Dr Richard Newman University

Home. Plug Powerline Communications Dr. Richard Newman, University of Florida Cameron Mc. Caskill, Intellon Corporation April 27, 2005 © 2004 Intellon Corporation. All rights reserved © 2005

Home. Plug Presentation § § § Home. Plug Alliance Overview PLC Challenges and Technologies Home. Plug Standards Intellon Corporation Home. Plug Applications – MSO Perspective © 2005 Intellon Corporation. All rights reserved Page 2

Home. Plug Powerline Alliance Overview © 2004 Intellon Corporation. All rights reserved © 2005

The Home. Plug 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 reserved Page 4

Home. Plug Powerline Alliance § 50+ total alliance members and growing § Multi-market sponsor (board) members: © 2005 Intellon Corporation. All rights reserved Page 5

Home. Plug Alliance History § March 2000: Alliance founded by 13 industry-leading companies, Specification development process is created § May 2000: Baseline technology selected for Home. Plug 1. 0 § June 2001: Home. Plug 1. 0 Specification Selection and verification completed in less than 1 year § February 2003: Home. Plug AV effort is started § Today: • • Over 50 members strong Home. Plug 1. 0 based products are sold worldwide Home. Plug AV Specification is in its final stages Home. Plug BPL effort is underway © 2005 Intellon Corporation. All rights reserved Page 6

Home. Plug networking specifications are the only globally recognized technology for high-speed powerline networking. © 2005 Intellon Corporation. All rights reserved Page 7

Powerline Communication Challenges and Technologies © 2004 Intellon Corporation. All rights reserved © 2005

PLC Challenges and Technologies § § Powerline medium Regulatory issues PHY MAC © 2005 Intellon Corporation. All rights reserved Page 9

Powerline 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 reserved Page 10

Powerline Medium - Impulse Response © 2005 Intellon Corporation. All rights reserved Page 11

Powerline Medium - Frequency Response © 2005 Intellon Corporation. All rights reserved Page 12

Powerline Medium - Impulse Noise Halogen light Light dimmer Yard light Hair dryer © 2005 Intellon Corporation. All rights reserved Page 13

Powerline 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 reserved Page 14

Powerline 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 reserved Page 15

Powerline 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 reserved Page 16

Powerline 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 reserved Page 17

Powerline 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 © 2005 Intellon Corporation. All rights reserved Page 18

Home. Plug Standards © 2004 Intellon Corporation. All rights reserved © 2005

Home. Plug Standards § Home. Plug 1. 0 § Home. Plug AV § Home. Plug BPL © 2005 Intellon Corporation. All rights reserved Page 20

Home. Plug 1. 0 © 2004 Intellon Corporation. All rights reserved © 2005

Home. Plug 1. 0 PHY § § § § § OFDM 76 carriers used from 4. 4 -20. 7 MHz 5. 12 us symbol time + 3. 28 us 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 reserved Page 22

Home. Plug 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. 5 ms to ~2 ms Packet bursting to avoid contention Stop&Wait ARQ 56 -bit DES in CBC mode for privacy Bridging function © 2005 Intellon Corporation. All rights reserved Page 23

Home. Plug 1. 0 Performance © 2005 Intellon Corporation. All rights reserved Page 24

Home. Plug 1. 0 History Q 2 2004: 1 millionth IC sold Q 4 2004: 2 millionth IC sold © 2005 Intellon Corporation. All rights reserved Page 25

Home. Plug AV © 2004 Intellon Corporation. All rights reserved © 2005

Home. Plug AV PHY § § § § Windowed OFDM – 917 carriers 1. 8 – 30 MHz 40. 96 us symbol time, 4. 96 us rolloff Variable Cyclic Prefix Turbo Convolution Codes, copy codes Robust Frame Control (-5 d. B) 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 reserved Page 27

Home. Plug 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 reserved Page 28

Home. Plug 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, Vo. IP § CSMA/CA Regions specified by CCo • Similar to Home. Plug 1. 0 • For asynchronous traffic © 2005 Intellon Corporation. All rights reserved Page 29

Home. Plug AV - Other Features § Advanced Network Management capabilities • plug-and-play • user and service provider set-up and configuration • SNMP MIBs § Co-existence modes • Home. Plug 1. 0. 1 • Broadband over Powerline (BPL) • multi-network operation and hidden node service © 2005 Intellon Corporation. All rights reserved Page 30

Home. Plug AV - Field Performance (34 homes) © 2005 Intellon Corporation. All rights reserved Page 31

Home. Plug AV Status © 2005 Intellon Corporation. All rights reserved Page 32

Home. Plug BPL © 2004 Intellon Corporation. All rights reserved © 2005

Home. Plug BPL: Yesterday The Internet Most BPL Solutions Home. Plug v 1. 0 © 2005 Intellon Corporation. All rights reserved Page 34

The Vision: All Together Now The Internet Home. Plug BPL Home. Plug AV and v 1. 0 © 2005 Intellon Corporation. All rights reserved Page 35

Home. Plug BPL Specification Status § Builds on the Home. Plug AV Specification § Interoperable with Home. Plug AV devices § Adds features unique to BPL • Multiple CCo Management • Routing & Concatenation § Leverages economy of scale of Home. Plug AV • Same ICs will likely support both Home. Plug AV & BPL § BPL Specification • Preliminary complete October 2005 • Ratified November-December 2005 • ICs available December 2005 © 2005 Intellon Corporation. All rights reserved Page 36

Intellon Corporation © 2004 Intellon Corporation. All rights reserved © 2005

What 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 reserved Page 38

Intellon Corporation § World leader in powerline communications technology, IC sales and product enablement § Two IC product lines • Home. Plug® – main revenue driver • SSC – legacy line for command control, trucking § Have shipped over 5 million powerline ICs, including 2+ million Home. Plug 1. 0 chipsets § 80 employees (48 engineers) + 30 contractors § Offices in Ocala, Florida (HQ), Toronto and San Jose, CA © 2005 Intellon Corporation. All rights reserved Page 39

Key Companies Enabled © 2005 Intellon Corporation. All rights reserved Page 40

Products with Intellon ICs Adapters Embedded Products § PL-Ethernet adapter § PL-USB adapter § PL-802. 11 g wireless range extender/AP § Digital/analog audio bridge § § § § Desktop PC Media TV DSL gateway Cable gateway Vo. IP gateway IP security camera Satellite receiver • Back channel application § Audio streamer © 2005 Intellon Corporation. All rights reserved Page 41

Intellon’s ICs Home. Plug 1. 0 – 14 Mbps IC: INT 5200 Available: Now Add-In BOM Cost: $10 Primary Applications: Service provider gateways (cable, ADSL), broadband installation extension cord, set top box back channel, Wi. Fi extension, Vo. IP extension, audio streaming, home security Home. Plug 1. 0 w/ Turbo Mode – 85 Mbps IC: INT 5500 Available: Now Add-In BOM Cost: $12 -15 Primary Applications: Standard definition (SD) television streaming, IPTV gateways and set top boxes, high-end/multi-room audio Home. Plug. AV – 200 Mbps IC: INT 6000 Available: Q 4 2005 Add-In BOM Cost: $17 -20 Primary Application: Multiple high definition (HD) television streaming, multi-room PVR © 2005 Intellon Corporation. All rights reserved Page 42

Service Providers Deploying Home. Plug © 2005 Intellon Corporation. All rights reserved Page 43

Quote from Comcast VP “Our 2004 trial confirmed that Home. Plug adapters are reliable and simple to install, providing an excellent alternative in older homes, for example, where broadband installations can be more challenging…Home. Plug adapters support our vision by enabling our customers to easily additional computers and broadband devices wherever they want throughout their home. ” Mitch Bowling, VP of Operations and Technical Support, Comcast Corporation, April 2005 © 2005 Intellon Corporation. All rights reserved Page 44

Home. Plug Applications MSO Perspective © 2004 Intellon Corporation. All rights reserved © 2005

Home. Plug Applications – Broadband Extension © 2005 Intellon Corporation. All rights reserved Page 46

Home. Plug Applications – Vo. IP Extension © 2005 Intellon Corporation. All rights reserved Page 47

Home. Plug Applications – Wi. Fi Extension © 2005 Intellon Corporation. All rights reserved Page 48

Home. Plug Applications – Home Networking © 2005 Intellon Corporation. All rights reserved Page 49

Home. Plug Applications – HD Video Networking © 2005 Intellon Corporation. All rights reserved Page 50

The Home. Plug Digital Home © 2005 Intellon Corporation. All rights reserved Page 51

Home. Plug Benefits to MSOs § Increase Self-Install Rate of Broadband & Vo. IP 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 Wires. TM © 2005 Intellon Corporation. All rights reserved Page 52