DESIGN OF AN INFRASTRUCTURE WIRELESS LOCAL AREA NETWORK FOR A MULTI STOREY BUILDING COMPLEX
Publication Date : 01/08/2009
This paper presents the design of an infrastructure wireless local area network for a multi-storey building complex. National Board for Technical Education (NBTE) secretariat complex in Kaduna has been used as a case study. A site survey of the Secretariat was conducted included network documentation, spectrum analysis and coverage analysis using NetSurveyor software. The simulation and design were conducted using OPNET IT Academic Guru. A 2.4 GHz frequency band was selected as optimum for the channels of the access points so as to avoid interference from wireless signals from nearby sources such as, nearby banks, cybercafés and corporate organizations. In addition, the coverage analysis showed that a total of fifteen (15) access points would be required to provide adequate coverage for ushers within the secretariat complex to link up to the network. It was also observed that the network follows the same pattern, regardless of the number of ushers and the medium access in use. However, the delay performance decreases before it stabilized when point coordination function (PCF) medium access functionally of the access points are disabled.
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