Mobility

Evaluating the Performance of Wireless Network Using OPNET Modeler

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Executive Summary

Wireless networks have biggest constraint of limited bandwidth in comparison to wired networks but in spite of this constraint wireless networks are becoming popular day by day on account of their flexibility, mobility as well as inexpensive physical medium (air). This paper aims to simulate wireless local area network. The performance of the network is evaluated using optimized network engineering tool, OPNET 14.5 modeler, over four major physical layer technologies Infra-Red, Direct Sequence Spread Spectrum DSSS, Frequency Hopping Spread Spectrum FHSS and Orthogonal Frequency Division Multiplexing OFDM at multiple transmissionrates,1Mbps,2Mbps,5.5Mbps,6Mbps, 9Mbps,11Mbps, 36Mbps,48Mbps, 54Mbps.

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