International Journal of Computer Applications
Computer networks can be used for numerous services; both for companies and for individual. For companies, networks of personal computers using shared servers often provide flexibility and good price/performance ratio. For individuals, networks offer access to a variety of information and entertainment resources. For connected terminals of network and the networks together can use twisted pair, coax, and fiber optics but for people who need be on line all time, for these mobile users, need to get their hits of data for their laptop, notebook, shirt-pocket, palmtop, or wristwatch computers without being tethered to the terrestrial communication infrastructure, for these users, wireless communication is the intended target.