Hierarchical Coverage Extension in Self-organising Wireless Network Systems

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Future self-organising ad hoc networks (MANETs) will provide Internet access for ubiquitous wireless computing. In combination with cellular systems, e.g., B3G and 4G networks, self-organising networks will increase the coverage of cellular systems. The advantage of the so-called coverage extension is that there is no demand for extension of cost-intensive infrastructure, yet it extends network access where no coverage is provided by network operators. This paper extends studies of other related and ongoing work regarding the integration of ad hoc networks in cellular systems and coverage extension based on a complete network topology, which has been implemented for this research. A simulation study is presented in this paper with an evaluation of coverage extension methods in a free scalable hierarchical network environment and considers a trade-off discussion based on a scalable coverage area including various numbers of ad hoc nodes and base stations
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