Скачать презентацию at CES 2002 Home RF Overview Update Скачать презентацию at CES 2002 Home RF Overview Update

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at CES 2002 Home. RF Overview & Update International Consumer Electronics Show Property of at CES 2002 Home. RF Overview & Update International Consumer Electronics Show Property of the Home. RF Working Group

Year in Review • • • Reorganized as non-profit organization in January • • Year in Review • • • Reorganized as non-profit organization in January • • • Created Home. RF European WG in July Ratified Home. RF 2. 0 in March Demonstrated Home. RF 2. 0 in May, made Voice call in June Voice/data press tour in August Shipped Home. RF 2. 0 data products in September – ON SCHEDULE! • • European certification made possible in December Already working on Home. RF 3. 0 Property of the Home. RF Working Group

CES Highlights • • • At JP Davis Smart*Home press event • • • CES Highlights • • • At JP Davis Smart*Home press event • • • Siemens launched Home. RF phone & VDG 5 speakers on CES panels Motorola launched simplefi™, won CES Innovations award AT&T joined Home. RF Working Group Numerous private meetings Property of the Home. RF Working Group

Market Positioning Personal Connectivity • • Home Network • Data, Voice, Low Power Entertainment 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, 3 G, Ricochet… PAN LAN Property of the Home. RF Working Group LAN WAN

for growing Home Network Market > 25% of U. S. households will be networked 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 Home. RF Working Group

Multi-Line, Multi-User Phones are Voice Only Home Networks Voice Device POTS ISDN Voice Device Multi-Line, Multi-User Phones are Voice Only Home Networks Voice Device POTS ISDN Voice Device Property of the Home. RF Working Group Voice Device

Broadband Home needs Information, Communications, Entertainment POTS ISDN x. DSL Cable Property of the Broadband Home needs Information, Communications, Entertainment POTS ISDN x. DSL Cable Property of the Home. RF Working Group

PC Services on Handset Display PC controls the handset display, receives all key presses. PC Services on Handset Display PC controls the handset display, receives all key presses. First Step: Text menus Text display Next Steps: Scripting Extensions UPn. P Proxy SDK Speech recognition Text-to-Speech Property of the Home. RF Working Group

Bandwidth Requirements (Qo. S, Latency) (Qo. S) Property of the Home. RF Working Group Bandwidth Requirements (Qo. S, Latency) (Qo. S) Property of the Home. RF Working Group

Home. RF 2. 0 Capabilities • • • Data networking based on 802. 11 Home. RF 2. 0 Capabilities • • • 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 10 X data revenues Entertainment support via Qo. S – 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 Home. RF Working Group

Home. RF Capabilities Roadmap Enhanced Video Voice/Audio Basic Video Data • • • Video Home. RF Capabilities Roadmap Enhanced Video Voice/Audio Basic Video Data • • • 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 Home. RF Working Group 2002/3 25+ Mb/s

Growing Community of Products … for Voice, Data, Entertainment Applications USB Adapters (Desktop PCs) 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 … Property of the Home. RF Working Group

Network Layer View Existing Upper Layers UDP TCP IP DECT Home. RF MAC Layer Network Layer View Existing Upper Layers UDP TCP IP DECT Home. RF MAC Layer CSMA/CA Priority CSMA TDMA Home. RF PHY Layer “Ethernet” Data Path Streaming Media Path Property of the Home. RF Working Group Toll-Quality Voice Path

Wireless Choices for the Broadband Internet home ATTRIBUTE Home. RF Bluetooth ~ 802. 11 Wireless Choices for the Broadband Internet home ATTRIBUTE Home. RF Bluetooth ~ 802. 11 b 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 Home. RF Working Group X X ~ X - Disadvantage

RANGE: Signal Strength Diminishes with Distance 1 Mbps 2 Mbps 5 Mbps Advertised Data 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 Property of the Home. RF Working Group 300’

PERFORMANCE over Distance Nominal throughput (Mbps) Home. RF 2. 0 vs. 802. 11 b PERFORMANCE over Distance Nominal throughput (Mbps) Home. RF 2. 0 vs. 802. 11 b Home. RF provides real-time media streaming to more nodes over a greater distance. 6 5 4 MPEG 2 Video 3 2 1 Broadband/ MPG 4 Video Dial-up / MP 3 Audio 0 10' 20' 30' 40' 50' 60' 70' 802. 11 b 90' 100' 110' 120' 130' 140' 150' HRF 2. 0 Source: Practical and Theoretical Calculations Property of the Home. RF Working Group

Wood and plaster Walls or Floors are OK. Even Brick. BUILDING WALL ATTENUATION: Signal 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 Home. RF Working Group The Higher the Frequency, the more signal loss. 5 GHz is worse than 2. 4 GHz.

SECURITY: Home. RF Does Not Compromise it BUILDING WALL … Like Wi-Fi Does Property SECURITY: Home. RF Does Not Compromise it BUILDING WALL … Like Wi-Fi Does Property of the Home. RF Working Group Trivial task to bypass Wi-Fi security w/ standard products

INTERFERENCE: Home. RF hops around it DSSS Time Frequency FHSS Property of the Home. INTERFERENCE: Home. RF hops around it DSSS Time Frequency FHSS Property of the Home. RF Working Group IEEE 802. 11 b waits for Interference to go away

MAC Layer Basics Bulk of time is allocated to data networking time Data Networking MAC Layer Basics Bulk of time is allocated to data networking time Data Networking 1 2 Voice Calls Hop Re-Transmit 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 Home. RF Working Group If voice packets fail, they can be re-transmitted at the start of the next frequency

Superframes and Subframes 20 ms f. N Data#1 Data#2 Ack #1 Hop Data#3 Ack Superframes and Subframes 20 ms f. N Data#1 Data#2 Ack #1 Hop Data#3 Ack #2 Ack #3 All asynchronous traffic 10 ms f. N+1 f. N+2 Hop B Data#4 10 ms Ack# 4 Dn #1 Up #1 Hop B Data#5 Ack# 5 Dn #1 Up #1 Dn #3 Up #3 Beacon is added for Isochronous traffic and frame length is reduced to 10 ms f. N+3 f. N+4 Hop B Data#6 Ack# 6 Dn #3 Dn #1 Up #3 Up #1 Hop B Second call is added Data#7 Ack# 7 First call ends. Frame reordered. 20 ms f. N+5 Data#8 Hop Ack #8 Data#9 Property of the Home. RF Working Group Ack #9 Data#10 Ack #10

Active Interference Avoidance 10 ms Active data traffic f. N Hop Beacon Data 1 Active Interference Avoidance 10 ms Active data traffic f. N Hop Beacon Data 1 Ak 1 Active calls Data 2 Dn 2 Up 2 Dn 5 Up 5 Interference 1 contacts f. N Control point allocates retry of up/down 2 f. N+1 Hop Beacon Dn 2 Up 2 Data packet succeeds on retry Data 2 Ak 2 Normal calls continue Dn 2 Up 2 Dn 5 Latency is bounded to 10 ms even in the presence of interference Property of the Home. RF Working Group Up 5

MULTI-PATH: Homes have More Absorption, Less Reflection Signals can arrive at different times and MULTI-PATH: Homes have More Absorption, Less Reflection Signals can arrive at different times and cancel each other out. Property of the Home. RF Working Group

Summary • • Ideal for the Broadband (voice, data, entertainment) Designed and optimized for Summary • • 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 • • Smooth roadmap to 25 Mb/s and beyond More information at www. Home. RF. org – Learning Center for W. Papers, Presentations, etc. Property of the Home. RF Working Group

Membership Structure Board of Directors (ratification body) Steering Committee (operates group) Certified Manufacturers (interoperability 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 Home. RF Working Group

Membership levels Category Promoter* Contributor* Commitment $BIG$ 1 FTE person Board of Directors, Ratify Membership levels Category Promoter* Contributor* Commitment $BIG$ 1 FTE 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 Certify products, RND IP Pool, Use logo, Review Draft Specs, Participate in PR events Access members website, Copies of Adopted Specs, Attend General Meetings $20 K/year 1 active person * Indicates membership status requires special approval Property of the Home. RF Working Group Implementer Supporter $7. 5 K/year $2. 5 K/year, Or $1 K/year* X

Steering Committee Board of Directors General Chair Ken Haase Vice Chair Kevin Duffy Technical 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 Home. RF Working Group Communications Wayne Caswell Broadband Service Provider Council Vince Izzo