Decentralized robust spectrum allocation for cognitive radio wireless mesh networks
作者： Germán Capdehourat , Federico Larroca , Pablo Belzarena
DOI: 10.1016/J.ADHOC.2015.05.021
关键词: Computer science 、 Order One Network Protocol 、 Wireless network 、 Mesh networking 、 Computer network 、 Radio spectrum 、 Wireless mesh network 、 Internet access 、 Spectrum management 、 Wireless 、 Frequency allocation 、 Cognitive radio 、 Radio resource management
摘要: During the last decade we have seen an explosive growth in deployment of wireless networks unlicensed frequency bands, mainly driven by great success IEEE 802.11 standard. In addition to its traditional last-hop usage, it has also been widely employed for Internet access infrastructure such as mesh (WMNs). A problem that is envisioned near future spectrum scarcity, which could be a serious threat cope with ever increasing demand. Regulators are aware about this and they already started look more available spectrum. One possibilities emerged allow secondary assignments licensed based on recent cognitive radio (CRNs) paradigm. context, focus our work analysis optimum allocation mechanisms multihop network. We introduce stochastic model formulate problem, considering primary users' activity periodically scheduled assignment scheme. To solve propose novel robust solution, develop decentralized algorithm implementation. Furthermore, evaluate proposal through extensive simulations, showing instance superiority compared expectation approach.
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