doc.: IEEE xxr0 Submission May 2005 QualcommSlide 1 Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [BAN IG Call for Applications Response_QC] Date Submitted: [May 1, 2005] Source: [Manuel Jaime] Company [Qualcomm] Address [5775 Morehouse Drive, San Diego, CA ] Voice:[ ], ] Re: [BAN Interest Group – Call for Applications] Abstract:[The contribution summarizes use cases and technical issues for body area networks] Purpose:[To provide information on body area network use cases and technical issues to be addressed] 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(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

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 2 Agenda Background Technical Issues Usage Scenarios & Target Specs

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 3 Motivation for Body Area Networks Average user carries many devices Wide range of applications Devices do not work as a unified system to provide a “Connected User” experience The portable/mobile nature of these devices/applications requires very low power

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 4 Motivation for Low Power Mobile Phone Music Players Headsets Hearing Aid Treo 600 Phone conversation ~700mW iPod Nano Playing music ~100mW (Display off) Jabra BT v 140mAh, 6 hr talk Call/conversation ~90mW / Standby ~40mW Motorola HS v 150mAh,5 hr talk Call conversation ~110mW / Standby ~25mW MS SPOT chipset radio for watches 90mW during operation / 30uW standby Additional ARM core 27.6MHz, 1.8mW/MHz -> 50mW Watches BAN Power Target Timex Datlink USB Watch 2 yr battery life (1.55v 80mAh) ~6.8uW avg Philips Digital Hearing Aid 1.1v, 35mm^2 in 0.8um process 2mW avg power consumption

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 5 BAN Technology Positioning DataVoice Low High Bluetooth Zigbee Opportunity for BAN Audio Power UWB BAN Video Throughput 2.0/EDR Path Conceptual / qualitative description. Not to scale.

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 6 Key Technical Issues Power –Low average and peak power (<< 100’s of mW) 1’s of 1Mbps 10’s of 10Mbps –Duty cycling Flexible & efficient sleep modes Fast set-up time –Battery life Minimum impact to portable device battery life Long standby times for sensors, headsets, headphones Scalable data rates –Low data rate sensor telemetry (10’s kbps) –Media streaming (up to 10 Mbps) Scalable network –Peer-to-peer network topology with no central coordinator –Automatic node detection, network configuration and service discovery –Simultaneous users and applications –Support for multicast Spectrum –Global unlicensed footprint –Small antenna design

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 7 Personal/Distributed UI Use Cases Secondary display for portable devices –Watch display: Incoming calls Playlists / media info Secondary keypad/keyboard Simultaneous display/UI and: –Audio/Media streaming –Voice –Sensor data acquisition Control –Separate data channel for volume control and media player controls

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 8 Sensor Use Cases – Data/Telemetry Speed/Activity Heart Rate Display Device discovery –Programmable, proximity-based pairing –Programmable, proximity-based data transfer and security Multiple simultaneous sensors –Multiple sensors/user –Multiple user in the vicinity Dual-mode support –“Raw” waveform (processing on receiving device) –Digitized data (processing on sensor/transmitter) Data acquisition reliability –Store & forward, multihop –Temporary storage on intermediate device Simultaneous data and audio/voice use –Independent channel management for multiple access –Fitness application example –Sensor data acquisition + audio playback

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 9 Audio Use Cases - Headphones Device discovery –Programmable, proximity-based pairing –Low setup latency for fast connection Single headphone –One-way streaming audio Multiple headphone –Simultaneous users in the vicinity –Support multicasting for music sharing Flexible configurations –Star or P2P topologies –Multi-hop capability QoS for high quality audio Controls –Separate data channel for volume and media player controls

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 10 Voice Use Cases – Headsets Device discovery –Programmable, proximity-based pairing –Low setup latency for fast connection Single headset –Two-way streaming voice Multiple headset –Simultaneous users in the vicinity –Support multicasting for conference calls QoS –High priority for voice calls Controls –Separate data channel for control functions (e.g. volume, caller id, call management, etc.) Simultaneous support of secondary UI PSTN

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 11 Voice & Audio Use Cases Simultaneous voice & audio –Support simultaneous connections to multiple devices: Handsets Digital audio player and a handset –Support fast switching between audio & voice modes: Switch to/from incoming voice call

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 12 Ranging Use Cases People & Item Tracking Multiple item/person tracking Range –~10m for item tracking –~30m for people tracking Proximity Information –Distance –Distance-based alerts –Visual indication of direction –Relative accuracy < 5-10%

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 13 Audio Streaming Use Cases Device discovery –Proximity-based pairing –Ranging-based media access and security Streaming to single CE device –Varying data rates: 100 kbps – 1 Mbps Simultaneous streaming & headphone use –Independent channel management –Peer-to-peer topology, supporting upload/download of media Controls –Separate data channel for volume control and media player controls

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 14 Video Streaming Use Cases Device discovery –Proximity-based pairing –Ranging-based media access and security Streaming to single CE device –Varying data rates: Mbps QoS –Latency management for gaming –Video quality/resolution Controls –Separate data channel for: Volume control Media player controls Multiplayer gaming

doc.: IEEE xxr0 Submission May 2005 QualcommSlide 15 Use Case Summary – Target Specs Sensor / Telemetry AudioVoiceRangingVideo Range 2-5 m (typical) Up to 10 m –e.g. in-hospital sensor to patient monitor 2-5 m (typical) Up to 10 m –e.g. Living room setting 2-5 m (typical) Up to 10 m –e.g. hands-free “roaming” ~10 m (items) ~ 30 m (people) 2-5 m (typical) Up to 10 m –e.g. Living room setting Data Rates 10 – 100 kbps1 Mbps kbps (per voice channel) NA10-20 Mbps Duty Cycling Low duty cycle on standby mode: ~0.5% Rate adapted duty cycle on active mode Low duty cycle on standby mode: ~0.5% Rate adapted duty cycle on active mode Low duty cycle on standby mode: ~0.5% Rate adapted duty cycle on active mode QoS NA BER: ~1e -5 (high quality) Latency: < 20 ms BER: ~1e -3 Latency: <10 ms NA BER: ~1e e -6 Latency: – <50 ms (gaming) – <100 ms (video) Set-up NA msec set- up latency NA msec set- up latency