AUTHOR: OPARA, FELIX KELECHI (PhD)
DEPARTMENT: DATA COMMUNICATION & COMPUTER ENGINEERING
AFFILIATION: FEDERAL UNIVERSITY OF TECHNOLOGY OWERRI
Campus Wide Alert System (CAWAS) is a Wireless Security Network System designed and implemented for University Campuses to assist security personnel in the detection of the presence of unwanted person(s) in certain earmarked areas, buildings and/or installations promptly. The CAWAS system network is an automatic and intelligent security network system has two major parts: the hardware and the software, respectively. On the hardware side, the organizational structure is composed of the input unit, processing unit and the output alerting unit. Various devices and schemes used in achieving the objectives are: sensors for automatic detection, rf medium for the broadcast of captured signal, fast data processing computers and multimedia systems. Also, the simulation tools used for the hardware designs include: Workbench, Network Packet Tracer 3.2 and printed circuit boards for circuit authentications and electronic gadget miniaturization. However, the following successes are made on the hardware part of this work; detailed Network diagram is made which conforms with standard network designs, three sensor circuits are produced, and also, it provides another cheaper medium for numerous data communication applications. Structured programming method of software development was adopted as the software design technique for CAWAS Network Systems. The software designed and developed include; the server-client programs, Data-Link-Control, and Network Management System (NMS) programs. However, open source software tools like LINUX operating system, reliable low-level programming languages like Java, Perl, Python and SNMPv3 of UDP/IP Protocol, respectively are used to realize the goals of the CAWAS network developed. In general, the CAWAS Network system designed and developed has numerous applications, apart from the security system functions it is primarily meant for in the project. They include e-education (e-library, e-learning), e-office, e-mail, e-registration, and e-banking. Others are, short range telemetry, teleconferencing, mobile electronic voting system, monitoring of wide range of ambient conditions and vehicular movements, amongst others. These applications are realized with little modification at the output section, and also with little technical cost involved but without attracting additional administrative and licensing cost, respectively. Hence, the CAWAS system designed and implemented is a veritable, flexible, reliable and effective wireless security network system solution for combating crimes on campus in a more organized and coordinated manner.
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