1. 1Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Standard

2. 2Ember Corporation Copyright © 2008 — All Rights Reserved Agenda Zigbee Stack Architecture Physical / Datalink layer Network layer Application

3. 3Ember Corporation Copyright © 2008 — All Rights Reserved Application Profiles (defined by ZigBee and OEMs) Stack Profiles (defined by ZigBee) Radios (defined by IEEE 802.15.4) ZDO NWK App Support (APS) SSP ZigBee Stack Architecture Physical Radio (PHY) Medium Access (MAC) IEEE 802.15.4 Ratified Spring 2003 ZigBee HCP 1.0 Ratified Dec 2004 ZigBee HCL Ratified Dec 2004 Zigbee 2004 & 2006 (Formerly Home Automation), Zigbee Pro (Formerly Commercial Industrial & Institutional) and additional Stack Profiles Additional Application Profiles planned Custom OEM… HCL ZDO NWK App Support (APS) SSP Custom OEM… HCL Custom OEM… HA, AMI, HCL… HA, AMI, HCL… ZDO NWK App Support (APS) SSP

4. 4Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Physical Layer 16 channels on 2.4GHz ISM band O-QPSK modulation Interference with –Wifi? –Bluetooth? –2.4GHz microwave? Point-to-Point distance?

5. 5Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Datalink Layer Use IEEE 802.15.4 standard Responsible for point-to-point delivery Has fast acknowledgement & retry mechanism

6. 6Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Network Layer Core of Zigbee network Responsible for –Route formation & recovery –Source to destination delivery –Network commissioning (form/join/leave network) 3 versions: –Zigbee 2004 –Zigbee 2006 –Zigbee 2007 (Zigbee PRO)

7. 7Ember Corporation Copyright © 2008 — All Rights Reserved Different Zigbee Network Version ZigBee StandardZigBee-2004ZigBee-2006ZigBee 2007 Unicast messaging XXX Home Security XXX Commercial Security X Mobility XX Stochastic Addressing X Many to one Routing X Multicast X End Device Mgmt X Link Asymmetry Awareness X Frequency Agility x PAN Collision Resolution x Fragmentation X HA/Cluster library XX

8. 8Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Application Layer: Public Application Profile Application standards defined by Zigbee Alliance Allow inter-operability among different device vender 2 released profile: HCL & HA Next public profile: AMI

9. 9Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Application Layer: Manufacturer Specific Profile Private profile defined by manufacturer Customer can define its own requirements & publish that to Zigbee Alliance

10. 10Ember Corporation Copyright © 2008 — All Rights Reserved Zigbee Certification Zigbee Compliant Platform –Zigbee alliance certify “building blocks” of Zigbee device –Responsibility of solution provider (for chip / stack) Zigbee Certified Products –Certified end products –Can put Zigbee Logo and “Zigbee Certified” in products –Applicable to both Public or Manufacturer Specific App profile –More info on http://www.zigbee.org/en/certification/index.asp http://www.zigbee.org/en/certification/index.asp

11. 11Ember Corporation Copyright © 2008 — All Rights Reserved What does Ember provide? Application Profiles (defined by ZigBee and OEMs) Stack Profiles (defined by ZigBee) Radios (defined by IEEE 802.15.4) ZDO NWK App Support (APS) SSP Physical Radio (PHY) Medium Access (MAC) Custom OEM… HCL ZDO NWK App Support (APS) SSP Custom OEM… HCL Custom OEM… HA, AMI, HCL… HA, AMI, HCL… ZDO NWK App Support (APS) SSP Single chip (EM250) or Network processor (EM260) First & the only certified Zigbee Pro Network Library Sample source code and GUI Application Builder

12. 12Ember Corporation Copyright © 2008 — All Rights Reserved Additional Slides

13. 13Ember Corporation Copyright © 2008 — All Rights Reserved Frequency Bands for Zigbee BAND COVERAGE DATA RATE # OF CHANNEL(S) 2.4 GHz ISM Worldwide 250 kbps 16 868 MHz Europe 20 kbps 1 915 MHz ISM Americas 40 kbps 10

14. 14Ember Corporation Copyright © 2008 — All Rights Reserved Channels Free from Wifi Interence 802.11x 802.15.4