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OFDMA femtocells: a roadmap on interference avoidance - [topics in radio communications]

机译：OFDMA毫微微小区：避免干扰的路线图-[无线电通信中的主题]

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摘要

OFDMA femtocells have been pointed out by the industry as a good solution not only to overcome the indoor coverage problem but also to deal with the growth of traffic within macrocells. However, the deployment of a new femtocell layer may have an undesired impact on the performance of the macrocell layer. The allocation of spectrum resources and the avoidance of electromagnetic interference are some of the more urgent challenges that operators face before femtocells become widely deployed. In this article a coverage and interference analysis based on a realistic OFDMA macro/femtocell scenario is provided, as well as some guidelines on how the spectrum allocation and interference mitigation problems can be approached in these networks. Special attention is paid to the use of self-configuration and self-optimization techniques for the avoidance of interference.
机译：业界已经指出，OFDMA毫微微小区是一种很好的解决方案，不仅可以克服室内覆盖问题，而且可以应对宏小区内部业务量的增长。但是，新的毫微微小区层的部署可能会对宏小区层的性能产生不良影响。频谱资源的分配和避免电磁干扰是运营商在毫微微蜂窝广泛部署之前面临的一些更紧迫的挑战。本文提供了基于实际OFDMA宏/毫微微小区场景的覆盖和干扰分析，以及有关如何在这些网络中解决频谱分配和干扰缓解问题的一些指南。要特别注意使用自配置和自优化技术来避免干扰。

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  • 来源
    《Communications Magazine, IEEE》 |2009年第9期|p.41-48|共8页
  • 作者

    Lopez-Perez D.; Valcarce A.; de la Roche G.; Jie Zhang;

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    (david.lopez@beds.ac.uk) received his Bachelor and Master degrees in telecommunication from Miguel Hernandez University, Elche, Spain, in 2003 and 2006, respectively. He joined Vodafone Spain in 2005, working in the Radio Frequency Department in the area of network planning and optimization. He took up a research scholarship at the Cork Institute of Technology, Ireland, in 2006, where he researched indoor positioning systems and sensor networks. Nowadays, he is a Ph.D. Marie-Curie Fellow at the;

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