1. ISSN: 2277 – 9043
International Journal of Advanced Research in Computer Science and Electronics Engineering
Volume 1, Issue 2, April 2012
Implementation of Human Health
Monitoring using Zigbee
Prof. Trupti. H. Nagrare Ms. Chetana. P. Dodke
Department of Information Technology. Department of computer science &Engg.
GHRCE GHRCE
Nagpur, India. Nagpur, India.
Abstract collection,processing and transmitting.
ZigBee is a new networktechnology
This paper presents a heterogeneous characteristic of low-cost, low power
biomedical implant prototype that has the consumption, short-range wireless network
capability to monitor biomedical signals from communication technology foruse in
multiple biosensors by means of different industrial equipment and home appliances in
communication standards. This is why there order to take in multi-type, multi-point
are great expectations for wireless sensor sensor information [1]. It is a new wireless
network technologies which readily allow the network protocol stack of IEEE 802.15.4.
sensing of multipoint connections and various
Lately traditional system to collects
types of sensors. It will be necessary to
acquire large amount of information to
parameters for daily homecare is widely
enable smooth control, monitoring and used in biomedicine. The traditional system
information distribution in ubiquitous adoptswired way wiring which makes the
implanted biosensors. To validate our system complex andexpensive, fig.1.
prototype, we propose solutions that realize Adopting wireless way wiring is
the ideal system using three different types of convenientand economical. Wireless
sensors for autonomous healthcare. In biomedical sensors are a group of embedded
addition, we develop a ZigBee-ready smartsensors that form a network from
compliant wireless system that offer low wireless communication links [2] and
power consumption, low cost and advanced operate within the human body to
network configuration possibilities. Its
compensate forvarious diseases. The smart
enhanced user graphical interface gives a
possibility to visualize and monitor the
sensors are placed in the body (invivo
progress of multi-sensors' curves concurrency monitoring). They detect condition and
in real-time. digitize physiological signals change in its
environment andcommunicate with a base
Keywords: Biomedical signals; Zigbee station via a wireless interface as it is
protocols; Wireless bidirectional system; impractical to distribute wires throughout
individual healthcare system. the body, due to its complexity and
limitation of subject's motion [3],
I Introduction fig.1.Applications using or taking interest in
Wireless Biomedical implant is a new wireless biomedicalsensors are artificial
research field. It can be used in some special retina, glucose level monitors,
situation such as homecare physiological organmonitors, cancer detectors, and general
signs monitoring; for signal health monitors toname a few.With such a
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All Rights Reserved © 2012 IJARCSEE

2. ISSN: 2277 – 9043
International Journal of Advanced Research in Computer Science and Electronics Engineering
Volume 1, Issue 2, April 2012
smart system including multiple sensors (Multipower Technology), and EAGLE®
ofdifferent types, we envision a future where Layout Editor (CadSofComputer). The
biosensors can forma wireless sensor graphicaluser interface was created under
network, as dot matrix sensors, comprising LABVIEW® (NationalInstruments).
alarge number of nodes whose placement in The communication protocol between the
the body can beeither pre-determined or external unit(Testbed’s subsystem
randomaccording to the application [4, 5]. prototype) and the internal unit(Implant’s
Since achieving self-powered of implantable subsystem prototype). Both
sensors isdifficult with current technology, microcontrollers’programs have been
biosensors must operate with very limited structured into two parts as givenMain
power. Prior research shows that the pulsed program: It configures the MCU settings
modefor complete measurement system is andstands-by waiting for interrupt event
the lowest power consumption compared to Interrupt subroutine: It is a program that
the continuous measurement mode[6]. runs only whenan interrupt event is arrived.
Pulsed mode is based on the idea that energy Hence, it is not usuallyactivated and is
consumption can be reduced by having only brought into action only by apredetermined
a small fraction of nodes perform long range interrupt event.The Testbed’s MCU is the
communication with a base stationcompared main component of the wholeacquiring
to the continuous mode. chain. Indeed, it has two interrupt
vectorsOne interrupt enabled when receiving
II Literature Survey an instructionfrom the base station through
We have chosen a ZigBee RF its incorporated USBinterface and,Another
Module to meet IEEE802.15.4 standards and one enabled when receiving sensed
the ISM 2.4 GHz frequency band.XBee RF datawirelessly from the implant’s MCU
Module complies with Part 15 of the FCC through itsimplemented USART.Once data
rules and regulations [11]. It supports the flow is received from the implant’s MCU,
unique needs of low-cost, lowpowerwireless theTestbed’s MCU has other tasks to
sensor networks. The module requires execute such as: data storage, computing
minimalpower and provides reliable delivery and transmitting to the base station
of data between devicesIt is a short range beforestanding-by once again waiting for
technology that allows secure and another acquisition request.
robustcommunications. The use of radio
device, capable to transferdata over a range III System Analysis
of up to 100 meters outdoor-line of sight The implant’s evaluation prototype was
andup to 30 meters indoor-urban, is well implemented in 9.5cm x 13.5cm, Fig.7. It
recommended.As user interface, a windows consists of the programmable analogfront
API (ApplicationProgramming Interface) end (right side), the PIC18F4550
application is to be developed withhigh level microcontroller (center)and the ZigBee
design software for graphical user wireless module (left side). The conditioning
interfacedevelopment. The conception, block includes: (1) the pressure (strain
design and implementation of the gauge), humidity andtemperature sensors
entireacquiring prototype were carried out with respectively 0.85 mV/PSI,40mV/%RH
using PROTON® BasicCompiler and 10mV/°C as analog output, (2) the
Development Suite (Crownhill analogmultiplexer (CD4051 1/8 analogue
Associates),PROTEUS® Professional multiplexer) and (3) therail-to-rail unipolar
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All Rights Reserved © 2012 IJARCSEE

3. ISSN: 2277 – 9043
International Journal of Advanced Research in Computer Science and Electronics Engineering
Volume 1, Issue 2, April 2012
low power amplifier (MCP6002).The serial
to USB interface and bidirectional wireless
communication of the Testbed’s evaluation
prototype wasimplemented in 9.5cm x
13.5cm, Fig.8. It consists of: (1) theUSB-to-
serial UART interface (an USB2.0 full
speedcompatible FT232RL chip from FTDI
Ltd has been chosenbecause it provides an
easy and cost-effective approach
totransferring data between peripheral
devices and a PC at up to1 Megabaud [14], FIGURE III
(2) the PIC18F4550 microcontroller (center)
and (3) the ZigBee wireless module (left IV Experimental results and discussion
side)
Wireless telemetry, USB powering and data
transfer, dataacquisition and real-time
monitoring have been carried
outsuccessfully.The user interface (man-
machineinterface) developed under
VISUAL STUDIO, a visual
programminglanguage from National
Instruments, allowing easy settings ofthe
Virtual serial port, address sensor and
sampling time. Theacquired signals are
respectively: ambient humidity (Plot
FIGURE I 0),ambient pressure (Plot 1) and human
body temperature (Plot2). The signals are
recorded during 100 ms and
visualizedthrough graphs in real-time.
FIGURE II
In order to evaluate the efficiency of the
designed acquiringchain, three different
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4. ISSN: 2277 – 9043
International Journal of Advanced Research in Computer Science and Electronics Engineering
Volume 1, Issue 2, April 2012
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