UWB: A High-Speed Wireless PAN Technology

Transcription

1 UWB: A High-Speed Wireless PAN Technology Fred Bhesania Program Manager microsoft.com Microsoft Corporation Brad Hosler Wireless USB Architect intel.com Intel Corporation

2 Session Outline Industry activities around UWB Microsoft s participation and vision Overview of supported protocols on UWB Wireless USB over UWB IP over UWB Summary Call to action for partners

3 UWB Overview FCC ruling permits UWB spectrum overlay UWB is presently legal only in the US Regulatory activity underway in Europe, Japan, and China Consistency rules of the game Open standardization is critical for worldwide market adoption Emitted Signal Power -41 dbm/mhz Note: not to scale GPS PCS ISM band Bluetooth, b WLAN Cordless Phones Microwave Ovens 3.1 U-NII band 5 Frequency (Ghz) a WLAN Cordless Phones UWB Spectrum FCC Part 15 Limit 10.6

4 UWB Overview (con t( con t) UWB Throughput High speed at short range 480 Mb/s at ~3m Does not penetrate walls Scaleable performance (Moore s Law radio)

5 UWB in the Digital Home Local high throughput delivery Wired / Wireless Wired /Wireless Broadband Wired / Wireless Long range delivery wired & wireless (Backbone) Wired / Wireless Wired / Wireless UWB defines high spatial capacity and effortless interconnectivity

6 UWB Initiative Ecosystem Convergence layer for multiple protocols UWB PHY and MAC standardization 180+ companies (PC, CE, Cellular Players) WiMedia Endorses MBOA PHY May 04 WUSB Protocol Endorsed MBOA PHY, MAC Feb 04

7 UWB Protocol Relationships Various technology solutions running over the common platform Wireless USB IP (WiNet*) Other Applications Wireless 1394 Legend High customer interest Low customer interest Items with * are being defined in WiMedia Convergence Layer* Common Ultrawide Band Radio Platform MBOA UWB MAC* MBOA UWB PHY*

8 Non-IP IP Peer-to-peerpeer (W1394) (W1394) Peripheral Peripheral Interconnect Interconnect (WUSB) (WUSB) Industry Group Structure WiNet USB-IF IP Networking IP Networking Convergence Layer Convergence Layer MBOA UWB MAC WiMedia MBOA UWB Phy

9 What s Happening in 2005 Around UWB CY05Q1 Merger of WiMedia and MBOA FCC Grants Waiver for UWB MBOA Standard CY05Q2 Industry specs move towards 1.0 (MBOA, WUSB) Prototype silicon available from few providers Association customer study: secure yet effortless coupling CY05Q3 Compliance program development starts Prototype drivers from Microsoft planned for WUSB CY05Q4 First products (probably low-volume) available to end customers

10 What s Happening in Around UWB CY06H1 Prototypes for IP and WUSB on same silicon Compliance/Interop testing labs kick into gear CY06H2 High-volume UWB products around holiday season 2006 Windows codenamed Longhorn planned for customers Throughout this period, plenty of opportunity to: Attend industry training events (e.g. Wireless USB Developers Conference in US and Asia) Participate in prototype testing before (un)plugfests commence

11 IHVs Demonstrating Solutions at WinHEC Some of the companies developing Wireless USB silicon and participating at WinHEC Showing off initial prototypes and design-wins Participating in industry specification development To get more details, please visit these companies it the Wireless USB Community an the exhibition

12 Wireless USB Over UWB

13 Wireless USB Technical Overview Similarities to wired USB Host device topology Up to 127 devices per host Class driver protocol maintained Keep complexity in host to make devices cheap Bandwidth 480 ~3M 110 ~10M Scalable architecture (up to 1Gbps and beyond) Power Management Battery preservation very important PHY: mW for Tx/Rx Security SECURE device association and authentication Low encryption overhead, minimal perf impact Ease of Use Easy install and setup Backwards Compatibility with wired USB software Low device end cost model

14 Communication Topology Wireless USB Host Wireless USB Device Delta Change (from USB 2.0) Client SW Function Very Small Change (Isochronous Only ) Function Layer USB System SW WUSB Logical Device Device Layer Small Change (Security Framework ) WUSB Host Controller WUSB BUS Interface BUS Interface Layer Very Large Change Actual Communications Flow Logical Communications Flow Transmissions Encrypted Secure Relationship Logical Data Communications Topology

15 Host Radio Solutions PCI (or PCIe) -based solution Can go in add-in card slot Cardbus or ExpressCard solutions Wired USB dongle Cabled base station variety Small key solutions

16 Device Wire Adapter Looks like a wireless hub Great for scenarios like wireless port replicators Single chip implementations can be integrated directly into devices USB2.0

17 Association and Security Association s job Connect the owner s devices the way the owner wants them connected Security s job Match the security afforded by the USB wire Protect data in-transit Cable Ends define user s connection choice Cable protects data in-transit

18 Secure Association Requires that both host and device have a common secret Challenge is getting the secret to the device Assume that host generates the secret Three mechanisms are being considered: Use a cable Use UWB radios with PK technology and user authorization Use Near Field Communication (NFC)

19 Industry and Windows Compliance Programs Compliance programs Industry Being defined in WiMedia and USB-IF Microsoft Windows Logo Program UWB Focus on certified silicon The PAL used by the radio should be compliant with Microsoft supported PALs Association There's a lot of work/innovation going on in this space still Use Microsoft supported association models Windows Connect Now Wireless USB is likely to impact wired USB devices We may require all wired USB devices be tested downstream of a DWA Isochronous devices (connected via WUSB) may need some software changes Timelines Initial Windows Logo Program Requirements coming shortly Logo program validation tools to follow release of drivers

20 Industry Compliance Plans Applications own compliance Define requirements/assertions Run workshops Allow logo usage WiMedia provides turn-key compliance solution for PHY, MAC, and radio cooperation Application compliance will incorporate WiMedia tests for logo requirements Timelines Test documents and tests developed 2H05 First compliance workshops in 1H06 IP Cooperation policy WiMedia UWB MAC WiMedia UWB Phy WUSB

21 IP Over UWB

22 IP Over UWB Vision High Speed Peer Networking Ad-hoc (Proximity Meeting Scenarios) File Sharing IP Connected Devices Synchronization A / V Streaming Printing Ethernet cable replacement (office hub) Primary focus Focus on ease of use High security

23 IP Over UWB Software Early availability of IP over UWB provides familiar communication plane Avoids proliferation of profiles & protocols (as with Bluetooth) Enabler for Mesh Networking Builds on Native and Media Extensibility architecture Same user experience for different wireless technologies Uses same higher level protocols familiarity UPNP and Web Services for devices IPv6

24 Summary Industry specs are nearly complete and prototype hardware will be available soon Microsoft committed to providing beta drivers to early IHVs for validation purposes Training and tools are coming Developer Conferences Peripheral Development Kits Interop Labs

25 Call to Action IHVs Share UWB plans with Microsoft and come up with a great Go-To-Market Strategy Send sample devices to Windows UWB team for testing/self-hosting Participation Attend Wireless USB Developers Conference on May in San Jose, to learn more on WUSB Participate with Microsoft on beta opportunities. Test wired USB devices on DWA + WHCI/HWA Scenarios All platform architecture (x86, x64, Itanium)

26 Community Resources Windows Hardware & Driver Central (WHDC) Technical Communities Non-Microsoft Community Sites Microsoft Public Newsgroups Technical Chats and Webcasts Microsoft Blogs

27 Additional Resources microsoft.com Web Resources Microsoft Site: Industry Site(s): or Related Sessions Session name: WinHEC Bluetooth and USB Session name: DDC UltraWide Band Architectural Preview Session name: DDC Wireless Configuration for Simple and Secure Setup Session name: DDC USB Stack Architecture

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29 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.