Bluetooth and Zigbee Network Topologies Essay example

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Wireless Portable Sensor for Athletic Monitoring
BY
Srinivas Juluri
Yashwanth Nimmala
Srikanth Reddy Jaidi
Sailesh Oduri
Rohith Vangalla

INTRODUCTION
Physical activates are an essential characteristics for the maintenance of health and fitness of an individual.

The advantage of microelectronics allowed the development of miniature data acquisition devices that can be used for constant monitoring of human health.

SYSTEM HARDWARE

Circuit Diagram

What is ZigBee?
• Low Data, Low Power Wireless Protocol
• Made to conduct wireless sensing and control applications • No line of sight concerns
• 100-300 ft range
• Cheaper than Bluetooth
• Supports Multiple Topologies

• Operates in Personal Area Networks (PAN’s) and device-to-device networks
• Connectivity between small packet devices
• Control of lights, switches, thermostats, appliances, etc.

History
• Developement started 1998, when many enginereers realized that WiFi and Bluetooth were going to be unsuitable for many applications • IEEE 802.15.4 standard was completed in May
2003

ZIGBEE ALLIANCE
• Organized as an independent, neutral, nonprofit corporation in 2002
• Open and global
• Anyone can join and participate
• Membership is global

• Activity includes
• Specification creation
• Certification and compliance programs
• Branding, market development, and user education

WHY ZIGBEE?









Standards based
Low cost
Can be used globally
Reliable and self healing
Supports large number of nodes
Easy to deploy
Very long battery life
Secure

Comparison to Others Technologies
ZigBee





(WPAN)
250 kbps
Standby 2uA
32-60 KB memory – Lighting sensors, RC peripherals – Mesh networking Bluetooth








WPAN/WLAN
1 Mbps
Standby: 200uA
100+KB memory
Telecom audio, cable replacement
Point to multi-point

WiFi








WLAN
Up to 54 Mbps
Standby: 20uA
100+KB memory
Enterprise, home access points
Point to multi-point

ZIGBEE APPLICATIONS security HVAC
AMR
lighting control access control

patient monitoring fitness monitoring ZigBee

TV
VCR
DVD/CD remote Wireless Control that
Simply Works

PC &
PERIPHERALS

PERSONAL
HEALTH CARE

asset mgt process control environmental energy mgt

TELECOM
SERVICES

m-commerce info services object interaction
(Internet of Things)

security
HVAC
lighting control access control irrigation SOME APPLICATION PROFILES

• Home Automation [HA]
– Defines set of devices used in home automation •




Light switches
Thermostats
Window shade
Heating unit

• etc.

SOME APPLICATION PROFILES



Industrial Plant Monitoring


Consists of device definitions for sensors used in industrial control





Temperature
Pressure sensors
Infrared
etc.

Commercial Lighting Control




Wireless lighting control
– Dimmable intelligent ballasts
– Light switches/sensors anywhere
– Customizable lighting schemes
– Quantifiable energy savings
– Opportunities in residential, light commercial and commercial
Extendable networks
– Lighting network can be integrated with and/or be used by other building control solutions

In-Home Patient Monitoring
• Patients receive better care at reduced cost with more freedom and comfort
– Patients can remain in their own home
• Monitors vital statistics and sends via internet
• Doctors can adjust medication levels
– Allows monitoring of elderly family member
• Sense movement or usage patterns in a home
• Turns lights on when they get out of bed
• Notify via mobile phone when anomalies occur
• Wireless panic buttons for falls or other problems
– Can also be used in hospital care
• Patients are allowed greater movement
• Reduced staff to patient…