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In recent years, more attention has been given to ad-hoc wireless networking, enabling many interesting usage scenarios however several challenges are being posed. Conventionally, cellular telephony and Internet connectivity via radio modems applied wireless networking. The fixed, wired base station was provided with single hop connectivity by these systems. The formation of multi-hop networks without predetermined network topologies is attempted by the adhoc wireless network systems. The interaction between the nodes is in peer-to-peer form, whereas the nodes communicate with a centralized base station in case of cellular networks.
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