July 2006 doc IEEE 802 15 06 0331

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July 2006 doc. : IEEE 802. 15 -06 -0331 Project: IEEE P 802. 15

July 2006 doc. : IEEE 802. 15 -06 -0331 Project: IEEE P 802. 15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Tutorial on Body Area Networks] Date Submitted: [July 18, 2006] Source: [Stefan Drude] Company [Philips] Address [High Tech Campus 60, 5656 AG Eindhoven, The Netherlands] ] Voice: [+31 40 27 -23431], FAX: [+31 40 27 -22764], E-Mail: [stefan. drude@philips. com ] Re: [Tutorial] Abstract: [The contribution reflects the information presented at the tutorial on body area networks presented at the San Diego meeting on July 18, 2006. ] Purpose: [To provide information on body area network use cases, typical requirements, and to start the process on possibly starting a study group in 802. 15 on this topic. ] Notice: This document has been prepared to assist the IEEE P 802. 15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) 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 802. 15. Submission 1 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Overview • Body Area Networks

July 2006 doc. : IEEE 802. 15 -06 -0331 Overview • Body Area Networks – S. Drude – Quick summary use cases, requirements • Channel Models and Health Aspects of PAN and BAN – A. J Johansson – Magnet and Magnet Beyond – Channel modelling – Medical implant communications – Health aspects of PAN/BAN implants Submission 2 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Area Network • Broad

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Area Network • Broad range of possible devices • Broad range of media types • Connect everything you carry on you and with you • Offer “Connected User” experience • Matches low power environment • Challenge – scalability data rate, power Submission 3 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Area Networks –Target Position

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Area Networks –Target Position Average power consumption, sustained data rate 1 Gbit/s Wireless USB 100 Mbit/s 10 Mbit/s IEEE 802. 11 a/b/g 1 Mbit/s 100 kbit/s Bo dy e Ar e a. N t r wo k Bluetooth Zig. Bee 10 kbit/s 1 kbit/s 2 m. W Submission 5 m. W 10 m. W 20 m. W 50 m. W 4 100 m. W 200 m. W 500 m. W 1000 m. W Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Area Networks • Usage

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Area Networks • Usage Scenarios – – – Body senor network Fitness monitoring Wearable audio Mobile device centric Video stream – Remote control & I/O devices Submission 5 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Sensor Network • Medical

July 2006 doc. : IEEE 802. 15 -06 -0331 Body Sensor Network • Medical application – – • • Vital patient data Wireless sensors Link with bedside monitor Count on 10 – 20 sensors Five similar networks in range Minimum setup interaction Potentially wide application Total traffic / patient < 10 kbps Submission 6 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Fitness Monitoring • Central device

July 2006 doc. : IEEE 802. 15 -06 -0331 Fitness Monitoring • Central device is MP 3 player • Wireless headset included • Expand functionality – – – – Speed, distance Heart rate, respiration monitor Temperature sensor Pacing information Location information Wristwatch display unit Etc. • Total system load < 500 kbps • Synchronization may go faster Submission 7 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Wearable Audio • Central device

July 2006 doc. : IEEE 802. 15 -06 -0331 Wearable Audio • Central device is headset • Stereo audio, microphone • Connected devices – – – – Cellular phone MP 3 player, PDA CD audio player AP at home Handsfree car Remote control Others • Requires priority mechanism • Network load < 500 kbps Submission 8 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Mobile Device Centric • Mobile

July 2006 doc. : IEEE 802. 15 -06 -0331 Mobile Device Centric • Mobile terminal is central point • Covers broad set of data – – Sensors – vital, other Headset Peripheral devices Handsfree / car • Provide gateway to outside – Offload sensor data, other • Requires priority mechanism • Network load < 500 kbps Submission 9 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Remote Control & I/O Devices

July 2006 doc. : IEEE 802. 15 -06 -0331 Remote Control & I/O Devices • Remote control device • • Increase consumer convenience Makes headset control practical Stand-alone vs shared function Combine with wristwatch display ? • Printers • Identification, storage • Wireless pen • Complement BAN functionality Submission 11 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Technical Requirements • There is

July 2006 doc. : IEEE 802. 15 -06 -0331 Technical Requirements • There is no specific standard for BANs – Current standards come close for specific use cases, not broad enough – Issues: power consumption, discovery, Qo. S – Support for very low power devices, sensors • Target less than 10% power consumption for communications compared to total device • Have single standard with broad range of supported data rate - scalability Submission 12 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft •

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft • • • Distance Piconet density Devices per network Net network throughput Power consumption 2 m std, 5 m special 2 - 4 nets / m 2 max. 100 Mbit/s max. ~ 1 m. W / Mbps (@ 1 m distance) • Startup time < 100 us, or < 10% of TX slot 10 ms < 1 sec • Latency (end to end) • Network setup time Submission (after initial setup, per device) 13 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft •

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft • Implementation module cost • Should be comparable to Bluetooth module • Effective sleep mode(s) • Concept for effective, remote wake-up • Operates in global, license-exempt band Submission 14 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft •

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft • Privacy, security • Peer to peer communication, point to multipoint • Omni-directional antennas: small, flexible • Future proof [for 5 years? ] – Upgradeable, scaleable, backwards compatibility • Support for several power management / consumption schemes [classes] Submission 15 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft •

July 2006 doc. : IEEE 802. 15 -06 -0331 BAN Requirements - Draft • Quality of service, guaranteed bandwidth – Specific definitions, depends on application • Graceful degradation of services – Depends on application, not always desireable • Concurrent availability of asynchronous and isochronous channels • Low duty cycle and high duty cycle modes • Very low duty cycle applications (sensors) Submission 16 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Interest Group on BAN in

July 2006 doc. : IEEE 802. 15 -06 -0331 Interest Group on BAN in 802. 15 Conclusions on low data rate applications • Operates on, inside, or in the vicinity of the body • Limited range (<. 01 – 2 meters) • The channel model will include human body effects. (absorption, health effects) • Extremely low consumption power (. 1 to 1 m. W) for each device • Capable of energy scavenging / battery-less operation • Support scalable Data Rate: 0. 01 – 1, 000 kbps (optional 10 Mbps) Submission 17 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Interest Group on BAN in

July 2006 doc. : IEEE 802. 15 -06 -0331 Interest Group on BAN in 802. 15 (2) Conclusions on low data rate applications • Support different classes of Qo. S for high reliability, asymmetric traffic, power constrained • Needs optimized, low complexity MAC and Networking layer • High number of simultaneously operating piconets required • Application specific, security/privacy required • Small form factor for the whole radio, antenna, power supply system • Locating radios (” find me”) mode Submission 18 Stefan Drude, Philips

July 2006 doc. : IEEE 802. 15 -06 -0331 Overview • Body Area Networks

July 2006 doc. : IEEE 802. 15 -06 -0331 Overview • Body Area Networks – S. Drude – Quick summary use cases, requirements • Channel Models and Health Aspects of PAN and BAN – A. J Johansson – Magnet and Magnet Beyond – Channel modelling – Medical implant communications – Health aspects of PAN/BAN implants Submission 19 Stefan Drude, Philips