1. Strengths and weakness for industrial applications
Zigbee and Bluetooth :
Strengths and weakness for industrial applications

2. Contents Term project overview Zigbee summary Bluetooth summary
Desirable characteristics
Properties comparison
Applications

3. Project Overview

4. Zigbee Low power mesh networking
IEEE Standard, based on Motorola’s proposal
“Low power”, “Networked”, “Open standard”
Personal Operating Space (POS) of 10m radius, or greater range
Mesh self-healing network

5. Bluetooth Alternatives to cables IEEE 802.15.1 standard (2002)
“Short range” and “Mobile products”
POS of 10m radius, with mobility
Ad-hoc connections between devices

6. Desirable Characteristics
Range
Data rate
Network latency
Power profile
Security
Operating frequency
Engineering & design complexity

7. Desirable Characteristics (Cont’d)
Network topology
# of devices
Scalability / Extendibility
Flexibility
Resilience / Reliability

8. Comparison (Zigbee vs. Bluetooth)
Range
10-100m vs. 10m
Data rate
20-250Kbps vs. 1Mbps
Network latency
Relatively, Slow vs. Fast
Power profile
Years vs. Days

9. Comparison (Cont’d) Security Operating frequency Complexity
Using same 2.5Ghz ISM Band
Complexity
Relatively, Simple vs. Complex
Network topology, # of devices
Up to 7 slaves vs network nodes

10. Comparison (Cont’d)

11. Applications Zigbee Bluetooth Remote sensing & control
Machine to machine

12. More … Network structure Exhibition positioning
Spectator/Audience movement