Titlebook: Architectures of Small-Cell Networks and Interference Management; Duy Trong Ngo,Tho Le-Ngoc Book 2014 The Author(s) 2014 HetNets.Heterogen

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Evolvable Systems: From Biology to Hardwareltiple access (OFDMA) cognitive femtocell network. Beside the interference constraints imposed at the macrocell network, we strictly enforce upper and lower bounds on the total number of subchannels granted to individual femtocell users. This new requirement is particularly relevant in cognitive fem

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Evolvable Systems: From Biology to Hardwarey of the proposed solutions only grows polynomially in the number of subchannels, compared to an exponential complexity typically required by direct-search methods. From the dual framework, we implement the devised solutions by distributed algorithms that do not require central coordination.

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Distributed Interference Management in Heterogeneous CDMA Small-Cell Networks,hms mainly require local information to maximize the net utility of individual users. We show that the proposed algorithms robustly support all the prioritized MUEs with guaranteed QoS requirements whenever feasible, while allowing the FUEs to optimally exploit the remaining network capacity.

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Distributed Resource Allocation in OFDMA Cognitive Small-Cell Networks with Spectrum-Sharing Constry of the proposed solutions only grows polynomially in the number of subchannels, compared to an exponential complexity typically required by direct-search methods. From the dual framework, we implement the devised solutions by distributed algorithms that do not require central coordination.

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Jason Lohn,Greg Larchev,Ronald DeMara However, the coexistence of different types of network devices on the same spectrum raises new design issues, including severe interference, heterogeneous service requirements and limited backhaul network capacity. These critical issues need to be urgently resolved to realize the benefits promised by small-cell deployments.