Emerging Wireless Standards Understanding the Role of IEEE & ZigBee™ in AMR & Submetering Mapping Your Future: From Data to Value AMRA 2003 International Symposium George Karayannis VP Sales & Marketing

Discussion Agenda Mapping Your Future: From Data to Value AMRA 2003 International Symposium n AMR & Submetering Today n Wireless Standards Landscape n IEEE Key Features n ZigBee Key Features n Implications & Opportunities

AMR Today Mapping Your Future: From Data to Value AMRA 2003 International Symposium n Proprietary Systems  Lack product interoperability & vendor independence  Submetering primarily for water in multi-dwelling units n Drive By Networks  Better than walk-by but lack real-time / ad hoc capability n Fixed Networks  Maximize RF distance to minimize cost & complexity n Other Networks  Ethernet / b, modem, CDPD / GPRS

Low Data Rate Wireless Evolution  Proprietary Fades  ZigBee Emerges  Semiconductor Focus  Early Adopter OEMs  $1 - $10B Industry  $100 - $10 Unit Cost Second Stage  Standards Dominate  IEEE Emerges  OEM Focus  Wireless Ubiquitous  $10 - $100B+ Industry  $10 - $1 Unit Cost Third Stage First Stage ………  Proprietary Dominates  IEEE Emerges  System Integrator Focus  Leading Edge OEMs  $.1 - $1B Industry  $1,000 - $100 Unit Cost Mapping Your Future: From Data to Value AMRA 2003 International Symposium

Wireless Networking Standards Mapping Your Future: From Data to Value AMRA 2003 International Symposium Market Name Standard GPRS/GSM 1xRTT/CDMA Wi-Fi™ b Bluetooth™ ZigBee™ Application Focus Wide Area Voice & Data Web, , Video Cable Replacement Monitoring & Control System Resources 16MB+1MB+250KB+4KB - 32KB Battery Life (days) ,000+ Network Size / 65,000 Bandwidth (KB/s) , Transmission Range (meters) 1, Success Metrics Reach, Quality Speed, Flexibility Cost, Convenience Reliability, Power, Cost

–“the software” –Network, Security & Application layers –Brand management IEEE –“the hardware” –Physical & Media Access Control layers IEEE & ZigBee In Context Mapping Your Future: From Data to Value AMRA 2003 International Symposium PHY 868MHz / 915MHz / 2.4GHz MAC Network Star / Mesh / Cluster-Tree Security 32- / 64- / 128-bit encryption Application API ZigBee Alliance IEEE Customer Silicon Stack App

IEEE Overview Mapping Your Future: From Data to Value AMRA 2003 International Symposium n Global Standard for Low Data Rate Networks n Approved May 2003, Initial Products 4Q04 n Transmission Range of Meters n Reliability, Simplicity, Low Power & Low Cost Focus BAND COVERAGE DATA RATE CHANNELS 2.4 GHz ISM Worldwide 250 kbps MHz ISM Americas 40 kbps MHz Europe 20 kbps 1

IEEE Key Features Mapping Your Future: From Data to Value AMRA 2003 International Symposium n High Data Reliability  DSSS, bi-directional, message acknowledgement, low latency  Beacon mode enables Guaranteed Time Slots (priority comm.) n Advanced Power Management  Typical monitoring applications good for shelf life of battery n Inherent Data Security  Data encryption, message authentication, packet freshness n Protocol Simplicity  Designed for minimal cost & complexity

ZigBee Overview Mapping Your Future: From Data to Value AMRA 2003 International Symposium n Specifications Managed by the  Global consortium of OEMs, IC vendors & tech companies  Specify device, network and service discovery / pairing n Defining Star, Mesh & Cluster-Tree Networks  Allows users to balance system cost, reliability & battery life n Defining Security Management  Extends 32-, 64- & 128-bit AES encryption of n Defining Application Profiles & Brand Compliance  Ensures product & application interoperability (e.g., AMR & DSM)

 Simplicity  Low Cost  Long Battery Life  Single Point of Failure Star Network Key Attributes NodeControllerRepeater (optional) Mapping Your Future: From Data to Value AMRA 2003 International Symposium

Mesh Network Key Attributes  Reliability  Extended Range  No Battery Life  Routing Complexity Router NodeController Mapping Your Future: From Data to Value AMRA 2003 International Symposium

Hybrid Network Key Attributes  Flexibility  Reliability/Range of Mesh  Battery Life of Star  Design Complexity NodeController Router Node Mapping Your Future: From Data to Value AMRA 2003 International Symposium

Implications & Opportunities Mapping Your Future: From Data to Value AMRA 2003 International Symposium n Provides Cost-Effective AMR Alternative  Costs quickly falling from ~$25 to <$10 per module (10K qty) n Enables Multi-Utility AMR Solutions  Ideal for meter aggregation, submetering & load management n Simplifies Generation & T&D Equipment Monitoring  Remote data acquisition reduces costs & improves service n Increases Industry Innovation & Competition  ZigBee-based AMR, DSM, home control, building automation

Mapping Your Future: From Data to Value AMRA 2003 International Symposium For More Information n n Phone: (mobile) n Helicomm: n ZigBee Alliance: Mapping Your Future: From Data to Value AMRA 2003 International Symposium