Mobility Investigate

Capacity Enhancement of Cognitive Wireless Networks With Distance Spectrum Usage Policy

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Executive Summary

How much information can one transmit over a randomly distributed ad hoc network of n secondary devices, overlaid with m primary devices? Such a network model is referred to as Cognitive Wireless Network (CWN) and the authors' paper addresses the above question by characterizing its throughput capacity. Although a handful of research efforts related to throughput capacity exist in the area of CWNs, most of these solutions under-explore the capacity analysis. Their analysis particularly indicates that secondary devices can realize only a less or no gain on throughput capacity, in comparison to classical ad hoc networks, when the primary devices are densely placed in the network.

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