DESIGN AND IMPLEMENTATION OF WIRELESS NETWORK BASED WIRELESS SCADA CHAPTER ONE
1.0 BACKGROUND:
Wireless network based wireless SCADAs
have significantly influenced the world, since their initial deployment. Wireless
network based wireless SCADAs have continued to develop and their uses have
significantly grown. Cellular phones are nowadays part of huge wireless network
based wireless SCADA systems and people use mobile phones on a daily basis in
order to communicate with each other and exchange information. Recently, wireless
network based wireless SCADAs have been used for positioning as well, in order
to enable the provision of location oriented services to the end-user.
Different types of measurements available during standard network and terminal
operation, mainly for resource management and synchronization purposes, can be
employed to derive the user’s location. With these numerous uses of wireless
network based wireless SCADA, this project will focus on resources sharing
dedicated network. A professor at the University of Hawaii, Norman Abramson developed the world’s first wireless
computer communication
network, ALOHAnet (operational in 1971), using low-cost ham-like radios.
The system included seven computers deployed over four isSCADA ds to
communicate with the central computer on the Oahu IsSCADA d without using phone
lines. SCADA hardware initially cost so
much
1.2 MOTIVATION
There is existing SCADA connection
but there are some features its lacking which inspired me to implement this
project. There is no share
printer/resource;
no dedicated network irregularities etc., upon completion of this project, all
of these drawbacks would be taken care of.
1.3 AIMS AND OBJECTIVES
The aim of this project is
to design a dedicated wireless network based wireless SCADA for Mathematics
department UNIVERSITY OF UYO, for file and printer sharing over the network. To
achieve this, there are steps to take, which are: installation of wireless
router, setup the router and preference, installation of printer and integrate
the printer to the wireless router.
1.4 PURPOSE OF THE
STUDY
·
To save cost of buying printer machine for each workstation.
·
Mobility and flexibility,
which is any eligible staff moves around with his /her laptop, can still print
file within the coverage area.
1.5 SIGNIFICANT OF
STUDY
The important of this
project are many but few will be mentioned. Firstly, let consider that in
department of Mathematics department every workstation required printer machine
which will cost the school huge among of money, cost of maintenance and occupy
more space. But, by the time this project will be implement a printer machine
can be share
over a
dedicated wireless network based wireless SCADA for department of school of Science
and Technology.
1.6 TERMINOLOGIES
1.6.0 ROUTER:
It is a specialized network
device that determines the next network point to which to forward a data packet
toward its destination.
1.6.1 Internet Protocol
Address (IP ADDRESS):
It
is a numerical label assigned to each device (e.g., computer,
printer) participating
in a computer network that uses the Internet Protocol for communication. An IP
address serves two principal functions: host or network interface identification and location addressing. Its role has been
characterized as follows: "A name indicates what we seek. An address indicates where it is. A
route indicates how to get there.
1.6.2 PROTOCOL:
It is a set rule governing
how to communicate over a network.
1.6.3 DUALBAND:
It is a communication
device (especially a mobile phone) that supports two radio
frequency bands.
1.6.4 RADIO MODEMS:
These are radio
transceivers for serial data communications. They connect to serial ports
RS232, RS422/485 and transmit to and receive signals from other matching radio
(point to point) or radios (multi drop) network. Wireless Radio Modems are
designed to be transparent to the systems they operate within.
1.6.5 NETWORK SWITCH:
This is a computer networking device that connects devices together on a computer network, by using a form of packet
switching to forward data to the
destination device. A network switch is considered more advanced than a (repeater) hub because a switch will only
forward a message to one or multiple devices that need to receive it, rather
than broadcasting the same message out of each of its ports.
1.6.6 HUB
It
is a device for connecting multiple Ethernet devices
together and making them act as a single network
segment. It has multiple input/output (I/O) ports, in which a signal introduced at the input of any port appears at the output of every port except the original
incoming.
1.6.7 NETWORK BRIDGE:
It is a network device that
connects multiple network segments. In the OSI model bridging acts in the first two layers, below the network layer. There are four types of
network-bridging technologies: simple bridging; multiport bridging; learning, or transparent bridging;
and source route bridging.
1.6.8 NETWORK ANTENNA:
It is an electrical device
which converts electric currents into radio waves, and vice versa. It is usually used with a radio transmitter or radio receiver. In transmission, a radio transmitter
supplies an electric current oscillating at radio frequency (i.e. high frequency AC) to the
antenna''s terminals, and the antenna radiates the energy from the current as electromagnetic waves (radio
waves). In reception, an antenna intercepts some of the power of an
electromagnetic wave in order to produce a tiny voltage at its terminals that
is applied to a receiver to be amplified. An antenna can be used for both transmitting and receiving.
1.6.9 IEEE (Institute
of Electrical and Electronics Engineers):
This is a professional association with its
corporate office in New York City and its operations center in Piscataway,
New Jersey. It was formed in
1963 from
the amalgamation of the American Institute of
Electrical Engineers and the Institute of Radio Engineers. Today it
is the world''s largest association of technical professionals with more than
400,000 members in chapters around the world. The standard upheld for the
design of the project was constituted by the professional body called the IEEE
standard.
A Research proposal for design and implementation of wireless network based wireless scada:
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Wireless network based wireless SCADAs have significantly influenced the world, since their initial deployment. Wireless network based wireless SCADAs have continued to develop and their uses have significantly grown. Cellular phones are nowadays part of huge wireless network based wireless SCADA systems and people use mobile phones on a daily basis in order to communicate with each other and exchange information. Recently, wireless network based wireless SCADAs have been used for positioning as well, in order to enable the provision of location oriented services to the end-user. Different types of measurements available during standard network and terminal operation, mainly for resource management and synchronization purposes, can be employed to derive the user’s location. With these numerous uses of wireless network based wireless SCADA, this project will focus on resources sharing dedicated network. A professor at the University of Hawaii, Norman Abramson developed the world’s first wireless computer communication network, ALOHAnet (operational in 1971), using low-cost ham-like radios. The system included seven computers deployed over four isSCADA ds to communicate with the central computer on the Oahu IsSCADA d without using phone lines. SCADA hardware initially cost so much.. computer science project topics
DESIGN AND IMPLEMENTATION OF WIRELESS NETWORK BASED WIRELESS SCADA