November 2000 doc IEEE 802 15 00366 r

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Project: IEEE P 802. 15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [LRSG-RF Lite Overview] Date Submitted: [6, November, 2000] Source: [Benno Ritter] Company [Philips Semiconductor] Address [1109 Mc. Kay Drive M/S 48 -SJ, San Jose, CA 95131 -1706, USA] Voice: [(408) 474 5116], FAX: [(408) 474 7247], E-Mail: [benno. ritter@philips. com] Re: [Presentation for Low Rate WPAN Tutorial] Abstract: [Presenation on RF Lite Applications and Technology] Purpose: [General Informaton as part of a Low Rate Tutorial to 802] 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 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 RF-Lite a solution for Low Data Rate Wireless Networks 11/6/2000 Benno Ritter IPMM-Wireless Connectivity BL-Networking Philips Semiconductors Submission 2 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Home and Office Network Cluster Entertainment Cluster Internet PC/Productivity Cluster BBW POTS Sate. x. DSL Cable Gateway Home Control/Automation and Management Cluster Communications Cluster Smoke Detectors Security Systems The Home Control Network Temperature & Heating Submission 3 Home Appliances Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Example Market Sectors Personal Healthcare · Monitors · Diagnostics · Sensors · … Toys & Games Submission · TV · VCR · DVD · CD · Remote · … Consumer Electronics · Mouse · Keyboard · Joystick · Gamepad · … PC Peripherals Low-End Radio Devices · PETs · Gameboys · Educational · … 4 · Security · HVAC · Lighting · Closures · … Home Automation Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Market Drivers · Extremely low cost · Ease of installation · Reliable data transfer · Reasonable battery life · Short range operation Submission 5 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Philips Solution • • Protocol specification (“PURL”) Software design and implementation Air interface design Baseband radio IC implementation Submission 6 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 PURL Protocol for Universal Radio Links A Protocol for Low Submission Cost Radio Devices 7 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 PURL Features • • Master/slave topology Automatic network configuration Dynamic slave device addressing Virtual peer-to-peer links (pairing) Full handshaking for packet transfers Power management features Up to 254 (+ master) network nodes Submission 8 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 PURL Features Cont. . . • CSMA-CA channel access mechanism • 15 ms frame structure • TDMA slots can be allocated • 10 kbps & 115 kbps (actual) data throughput • Service discovery (UPn. P-Lite) • Low impact internet capability Submission 9 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Data Transfer Submission 10 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Frame Structure Basic frame: ms t + t. Time, f t Slotted frame: t + tf. Time, ms t Network beacon Submission Contention period 11 Allocated slot Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Data Transfers Uplink transfer: Network Beacon Data Packet Data Handshake Data Request Data Packet Downlink transfer: Network Beacon From Master Submission Message Transfers 12 Data Handshake From Slave Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Network Management Submission 13 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Network Initiation • • • Master capable devices only Listens for network beacons Attempts to invoke network beacons Assumes unique network identifier Starts master operation Submission 14 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Network Topology Curtains DVD STB Master node Remote Lamp Slave node Communications flow TV Control flow Submission 15 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Air Interface Physical Layer Submission 16 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Frequency Bands • 2. 4 GHz ISM band – Channel spacing: 3 MHz, F = 2404 + 3 k MHz with k = 0, 1, …, 25 – Common band: • USA, Europe including France and Spain • k = 15, …, 22 F = 2449 – 2470 MHz, 8 channels • 915 MHz ISM band – USA only • Direct sequence – Fast acquisition – Complexity in digital domain (cheaper) • Spread using length 11 Barker sequence – Short sequence gives fast acquisition – Used in IEEE 802. 11 • 2. 2 Mchips/sec • Processing gain of 10. 4 d. B • GFSK, Modulation index h = 0. 5, Pre-modulation filter. BT = 0. 5 Submission 17 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Application Scenarios and System Realisation Submission 18 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Applications : - Slave Device Light Switch Thermostat Security Sensor Submission Accessory Control Computer Keyboard 19 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Block Diagram Submission 20 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Development Platform Submission 21 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Development Platform Submission 22 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Demonstration Submission 23 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Current Demonstration Internet Connection WWW Terminal STB Switch Fan Auto-dialler Submission 24 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Home. RF-Lite -> Firefly -> RF-Lite • • • Low data rate (<200 kbps) with fall back for longer range to 20 kbps Very low cost (BOM<$6. 00) in 2001 and <$2. 50 in 2003 Designed for battery operated systems Replaces wired solutions that require low data rates Simple MAC protocol (PURL): master-slave or virtual point-to-point applications, reduces system complexity • Applications: peripherals to PC, temperature control, home security, toys, etc. • Support from growing number of companies • Web Address for RF-Lite committee (http: //RF-Lite. com or //12. 5. 139. 199/ ) – Access to the technology through membership in RF-Lite Submission 25 Benno Ritter, Philips Semiconductors

November 2000 doc. : IEEE 802. 15 -00/366 r 0 Thank You! Submission 26 Benno Ritter, Philips Semiconductors