PAN tracking Device

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2 Νοε 2013 (πριν από 3 χρόνια και 7 μήνες)

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PAN tracking Device

Group 12

Tuesday, October 20
th
, 2009

Advisor
: Professor
Yingying

Chen

___________

Group members:

Fatimah Alkulaibi
-------------

Edward Carrasco
-------------

Joel Guardia
--------------

I pledge my honor that I have abided by the Stevens Honor
System





Table of contents:

I.

Abstract ………………………………………………………..…….. I

II.

Project Proposal Plan:

1.

Introduction …………………………………………………….…II

2.

Design Requirements………………………………………………III

3.

Design approaches ………………
………………………………...IV

4.

Financial budget …………………………………………..…........V

5.

Project schedule ………………………………………………..... VI

III.

Conclusion …………………………………………………………... VII

IV.

References ……………………………………………………………VII

V.

Appendices:

1.

Appendix A………………………………………………………..(A
-
1)

2.

Appendix
B………………………………………………………..(B
-
1)

3.

Appendix C………………………………………………………..(C
-
1)






I.

Abstract :




The PAN Tracking Device will address the common problem of locating personal
items which are of high
value and/or often misplaced. The group

would like to make this
device as versatile as possible while allowing for seamless integration with common devices
already in use.
The group

will achieve this by using Zigbee and Bluetooth technology. The
Zigbee radio will allow us to place small transmi
tters on items which need to be tracked. The
Bluetooth radio will then relay the items location to a Cell Phone which will indicate to the
user how close they are to the item. The Zigbee and Bluetooth radio’s will occupy the same
device, henceforth called
the Base Station. In order to keep initial costs low we will be using
only one Base Station. Therefore we will not be able to relay exact coordinates for the items
locations but rather a general area of where the item should be located.



The

programming

will be

in C/C++, and will also be using a Windows Mobile
phone which also uses the familiar C++ programming language. The results of this project
should consist of a device which will be able to track multiple items at once, while being able
to differenti
ate between them and directing the user to the desired item. The low power
consumption of the Zigbee trackers allows them to operate for extended periods of time
without replenishing their power supply. The device will be widely accepted and easy to use
si
nce it makes use of such a ubiquitous radio as Bluetooth.











I



II.


Project proposal plan :

1.

Introduction :



The PAN tracking device project is meant to help people who usually lose their
items. This will be a great additional asset to have for home
electronic uses. The concept
of using the cellular phone with Bluetooth compatibility to locate the zigbee device is very
convenient since most mobile phones have Bluetooth
. Many

ideas on how the

mobile
phone would locate the Z
igbee
tracker is discussed du
ring the project research
.
There
have
been
weekly meetings

to discuss what is the work needed to be completed in order to
proceed further into our prep
aration to purchase the parts

need
ed for this project
.



All the research assignments have been distribu
ted equ
ally amongst the group
members, to find the challenges to be faced making this device. Also, the team searched
similar devices and discovered that it is are rare in the market.



The group has been discussing possible
problems that may happen and t
ried

to
think of ways to resolve them.

In the earlier group meetings, the group discussed the
concern o
f the power consumption of the Z
igbee
trackers, but since Zigbee needs low
power, it turned not to be a large problem.
There is also the concern of other

wireless
signals there may be in the vicinity of the product. The group agreed that the final product
will conduct several tests involving other wireless signals. The
Zigbee and Bluetooth
signal

range

was a concern for the team too but since the device is

intended to be inside
the house or/ room this problem will be addressed when the final approach is fully
adopted.













II



2.

Design Requirements :


The group’s objective is to construct a device that utilizes the Zi
gbee and the Bluetooth
protocols
to triangulate the location of an item equipped with the
Z
igbee tracker unit. The base
station will comprise of
the Zigbee and Bluetooth transceivers connected to a microcontroller
.





The

idea is to use a base station to communicate with the cell phone d
evice which will
act as a proximity devi
ce for tracking operation. The Z
igbee will communicate with the tracker
and aid in roughly estimating the tracker’s location.
The microcontroller will be programmed
using assembly language or C, to measure the signal

strength coming from the Zigbee tracker
and

combine this gathering information to create a triangulation scheme which will help the
group relay the tracker’s l
ocation to the cell phone user, r
efer to figure (II
-
2
-
a
)
.
The use of our
triangulation scheme wi
ll require less base station to locate the tracker
, where usually 2
-
4 base
stati
on is needed to locate the exact place like GPS where 4 satellites are used to get the exact
location of the car
.


The group decided to choose the Bluetooth protocol to send t
he signal from the
microcontroller to the cell phone, because most cell phones have a built in Bluetooth. The group
decided that the end
-
user will be the cell phone carrier.

The

group will make the cell phone
screen gradually change color from blue to red
indicating the user’s proximity to the tracker. The

cell phone will also have an accelerated beeping for convenience.



III




Figure (II
-
2
-
a)

3.

Design approaches:


Since the group hasn’t had any previous experience with Zigbee, the group decided to use
the
AP13192USLK ZigBee
-
ready RF Transceiver Student Learning Kit
, to gain more hands on
experience in dealing with the Zigbee device.
T
o make the connection between t
he Bluetooth
transmitter and the
Zigbee, the

HCS12C

16
-
bit microcontroller was chosen, because it has an Rs
-
232 channel, where the group can connect a Bluetooth adapter to it.


The team members decided to have another approach in case there was a problem
with
the first one. The team will to switch to a Zigbee to Zigbee approach, which is more expensive
than the first approach, but will
be kept
in

mind. In order to have the Zigbee to Zigbee the team

IV



will need a
n XBEE
-

programmable USB stick that can be connected to a cell phone, and a
computer, which will give the ability of translating the signal to the cell phone immediately.

4.

Financial Budget
:

Zigbee + Bluetooth Approach
*

Item

Cost

Zigbee Transceiver
(AP13192USLK)


$ 117.00

Microcontroller (
HCS12C
)


$
95
.00

Bluetooh RS
-
232 (Quatech SS
-
BLT
-
100)


$

53.00



Total


$
256.00


Zigbee + Zigbee Approach
*

Item

Cost


Zigbee Transceiver (AP13192USLK)


$ 117.00


Microcontroller
(PBMCUSLK)


$
95
.00


[X
-
TICK]
-

XBee Programmable USB
Stick


$
173.5012





Total


$
385.501



* NOTE: the

c
ell phone is not considered a part of the
financial

budget, because the
team will
make a program that can be loaded to any phone with windows mobile, so it is not a part of the
actual project.

V



5.


Project schedule:

Project schedule for the fall
semester:


For the Spring Semester:


VI




III.

Conclusion :



The group in this project will try to develop more knowledge of the Zigbee
protocol in order to create a PAN Tracking device for valuable things that keeps on getting
lost around the house.
This
will be done by using the Zigbee transceiver which will be

connected to a microcontroller. The Microcontroller
will process the signal strength and
triangulate it
to the cell phone’s location then send it
to the cell phone via Bluetooth. The
cell phone’s s
creen will change colors accordingly so it can relay the estimation on the
location of the lost item. Since the Zigbee is a mesh networking protocol, there can be
more than one item tracked.



Many design approaches were

discussed by the group but the Zig
bee to Bluetooth
approach was the winning design for the group because it had the convenience of having
the built
-
in Bluetooth in most
of the cell phones these days.
The group will take in
consideration the high budget of the initial design, and it will tr
y to search for cheaper
alternatives to be prepared for some unexpected items.

IV.

References :

1.

Bluetooth : http://www.bluetooth.com/bluetooth/

2.

FreeScale Semiconductor :
http://www.freescale.com/

3.

The Zigbee Alliance:
http://www.zigbee.org/

4.

Windows Mobile :

http://www.microsoft.com/windowsmobile/en
-
us/default.mspx



VII



V.


Appendices :

APPENDIX A:

Device components: Zigbee to Bluetooth approach










(A
-
1)




Zigbee to Zigbee approach:










(A
-
2)




APPENDEX B:

Zigbee Logo:



Example of Zigbee Mesh networking:


Zigbee specifications and architecture:




(B
-
1)



APPENDEX C:

Bluetooth Logo:




Bluetooth
Architecture:




(C
-
1)