Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS) Submission Title: [General Atomics – UWB 02’ PHY Development in SG3a] Date.

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Project: IEEE P Working Group for Wireless Personal Area Networks (WPANS) Submission Title: [General Atomics – UWB 02’ PHY Development in SG3a] Date Submitted: [January 2003] Revised: [] Source: [Jason Ellis] Company [General Atomics Inc.] Address [General Atomics Photonics Division- Advanced Wireless Group, Flanders Ct, San Diego, CA ] Voice [(858) ], Fax [(858) ], Re: [Summary of SG3a 2001 and 2002 activities; including UWB contributions] Abstract: [Contribution] Purpose: [IEEE a January Contribution] Notice: This document has been prepared to assist the IEEE P It is offered as a basis for discussion and is not binding on the contributing individual or organization. The material in this document is subject to change in form and content after further study. The contributor reserves the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 2 UWB 02’ PHY Development in SG3a Jason Ellis

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 3 Objectives To summarize and review SG3a efforts Review a application requirements Summarize UWB 2002 SG3a contributions Overview of UWB approaches presented in 2002 Consolidate the list of UWB references

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 4 Call for Application Respondents Appairent General Atomics Intel Kodak Philips Sony Time Domain Wisair XtremeSpectrum Semiconductor Manufactures Consumer Electronic Companies Technology Developers

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 5 Review of SG3a “Call for Applications” Majority of Application Requirements High bit rate >100 Mb/s Range< 10 meters (WPAN™) Low costComparable to Bluetooth™ Co-location> 4 piconets PowerLow consumption (100mW) InterferenceRobust link CoexistenceWith a/b/g & ScalableBit rate scales (higher & lower) Form factorSmall (e.g. Compact Flash) QoS / SecurityImplements 15.3 MAC LocationAwareness Technology> 1 vendor source RegulatoryInternational Several Application Scenarios Real-time wireless video transmission Cable replacement (e.g. USB, 1394) Direct print from digital cameras Wireless digital projector Wearable computing Wireless Desktop Home Networking Wearable Computing

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 6 March 02:“Ultra-Wideband Tutorial”- Kai Siwiak, Matt Welborn –Explanation of FCC Report and Order –General characteristics of UWB systems May 02:“Effect of PRF on UWB System Design”- Roberto Aiello –Mutual interference of uncoordinated UWB systems: High-High PRF, Low-Low PRF, High-Low PRF, Low-High PRF –Effects on narrowband interference, synchronization, power consumption July 02:“Coexistence Criteria Proposal”- Jeff Foerster –Coexistence with a/b/g, Bluetooth, –Good Neighbor Policy: Adaptive power control, Dynamic frequency control July 02:Extensive Channel Model Contributions- Numerous –Statistical channel models –Actual measured results UWB 02 Contributions: Major Topics Discussed (1 of 2) 02/133r1 02/211r1 02/288r0 Numerous

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 7 UWB 02 Contributions: Major Topics Discussed (2 of 2) Sept 02: “Considerations for Supporting the 15.3 MAC Over UWB”- Daniel Peters –New options for channelization –Specific MAC requirements need to be respected Sept 02:“Multiple Access Options for UWB WPANs”- Matt Welborn –Challenges for UWB multiplexing –Channelization options: Time Division, Frequency Division, Code Division Sept 02:Extensive Channel Model Contributions- Numerous Nov 02:“Interference Analysis of IEEE a on UWB Systems”- Naiel Askar –Interference avoidance: Adaptive band selection, waveform processing –Potential coexistence concern: a and UWB Examples: 1) Low PRF with Multi-Bands2) High PRF with single band Nov 02:“UWB Coexistence Issues”- Matt Welborn –UWB effects on other systems –Effects of other systems, namely a, on UWB systems 02/379r0 02/382r2 Numerous 02/441r1 02/467r0

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 8 FCC Defines UWB as …* 7,500MHz available spectrum for unlicensed use –US operating frequency: 3,100 – 10,600 MHz –Emission limit: -41.3dBm/MHz EIRP –Indoor and handheld systems –Other restrictions and measurement procedures in Report & Order UWB device defined as –Fractional bandwidth greater than 20% –Occupies more than 500 MHz Allows additional approaches (e.g. multi-bands) UWB device NOT defined as –Modulation or pulsed modulation –Carrier-less –Impulse radio *Source: FCC 02-48, UWB Report & Order, released 22 April 02

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 9 Prior Examples of Published UWB Systems ModulationMultiple AccessPRFData Rate 1PPMTime-hopping CDMA10 MHzTens of Mb/s 2PolarityDSSS1000 MHzTens - Hundreds of Mb/s 3OOKTDMA10 MHzMb/s 4PAMTDMA20 MHzTens of Mb/s 5PolarityDSSS0.01 MHzKb/s Outside of SG3a

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 10 Two Very Different UWB Approaches Presented Single-Band Multi-Bands Time Frequency

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 11 Summary a requirements have been in development since November 2001 –Large variety of participants: Technology Developers Semiconductor Companies Consumer Electronic Companies Ultra-Wideband technologies show a strong promise for adoption by 15.3a –UWB capabilities appear to address requirements Two primary categories of UWB approaches have been presented –UWB impulse radio approach using CDM –UWB multi-band approach using a low pulse repetition Reminder: “Call for Intent to Propose” due 3 February 2003

doc.: IEEE /029r0 Submission January 2003 General Atomics- Jason EllisSlide 12 IEEE References SG3a Call for Applications (January 02 – March 02) –02/143r0: Application Opportunities for High Rate WPANs –02/119r0: Wireless Video Links via UWB Technology –02/137r1: Dense Urban Environments –02/139r0: SG3a CFA response - Wireless Peripherals –02/102r0: SG3a Application and Systems Requirements –02/043r0: CE Requirements for Alternative PHY CFA –02/031r0: SG3a CFA response –02/047r0: CFA Response: Higher Rates for Video 2002 Ultra-Wideband Technology Tutorials (March 02 – November 02) –02/133r1: Ultra-Wideband Tutorial –02/211r1: Effect of Pulse Repetition Frequency on UWB System Design –02/379r0: Considerations for Supporting the 15.3 MAC Over a UWB PHY –02/441r1: Interference Analysis of IEEE a on UWB Systems –02/288r0: SG3a Coexistence Criteria Proposal –02/467r0: UWB Coexistence Issues –02/382r2: Multiple Access Options for UWB WPANs SGa Documents (March 02 – December 02) –02/104r15: Technical Requirements –02/105r25: Selection Criteria –02/149r0: Application Summary