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Probabilistic Coexistence and Throughput of Cognitive Dual-Polarized Networks

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Executive Summary

Diversity techniques for cognitive radio networks are important since they enable the primary and secondary terminals to efficiently share the spectral resources in the same location simultaneously. In this paper, the authors investigate a simple, yet powerful, diversity scheme by exploiting the polarimetric dimension. More precisely, they evaluate a scenario where the cognitive terminals use cross-polarized communications with respect to the primary users. Their approach is network-centric, that is, the performance of the proposed dual-polarized system is investigated in terms of link throughput in the primary and the secondary networks.

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