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动态频谱接入综述 被引量：4

Review of Dynamic Spectrum Access
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摘要 动态频谱户在授权的频谱带宽中获得丰富频谱空隙。DSA技术可以缓解频谱短缺问题并且提高频谱利用率。文中讨论了DSA所面临的挑战,旨在揭示其未来的走向。介绍了前沿的频谱感知和频谱分享。调查了阻碍DSA成为主要的商业部署的挑战。为了应对这些挑战,建立了一个新的DSA模型,在这种模式下,授权的用户可以在DSA中相互合作,而且可以获得更加灵活的频谱共享。 Dynamic spectrum access is a new spectrum sharing model that allows secondary users to access therich spectrum holes in the authorized spectrum bandwidth. DSA technology can alleviate shortage of spectrum prob-lem and improve spectrum efficiency. In this article, we discuss the challenges that DSA faces and point to its direc-tion in the future. Firstly, we give an introduction to the latest spectrum sensing and spectrum sharing. Then we in-vestigate the challenges that prevent DSA from major commercial deployment. We believe that, facing these challen-ges, a new DSA model is essential, in which it is possible for the authorized users to cooperate in DSA and get moreflexible spectrum sharing.
作者 徐迪
机构地区 西安电子科技大学数学与统计学院
出处 《电子科技》 2015年第3期161-164,共4页 Electronic Science and Technology
关键词 动态频谱 次级用户 频谱感知 sharingdynamic spectrum secondary users spectrum sensing
分类号 TN929.5 [电子电信—通信与信息系统]
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参考文献13

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同被引文献52

  • 1ZHAO Q, Sadler B. A Survey of Dynamic Spectrum Ac- cess : Signal Processing, Network, and Regulatory Policy [ J ]. IEEE Signal Processing, 2005,24 ( 3 ) :201-220.
  • 2LUO Y, GAO L, HUANG J. White Space Ecosystem: A Secondary Network Operator "s Perspective [ C ]//IEEE GLOBECOM, 2013:925-930.
  • 3ZHOU H, LIU B, HOU F, et al. A QoS Supported Spec- trum Allocation Scheme for Database- Assisted Secondary Access Networks [ C ]//IEEE ICCC, China, 2014:835-839.
  • 4LIU Y, YU R, PAN M, et al. Adaptive Channel Access in Spectrum Database-Driven Cognitive Radio Networks [ C]//IEEE ICC, 2014:4933-4938.
  • 5JIANG C, DUAN L, HUANG J. Joint Spectrum Pricing and Admission Control for Heterogeneous Secondary Users [J]. In Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks ( WiOpt), 2014:497-504.
  • 6YIN J, SUN G, WANG X. Spectrum Trading in Cogni- tive Radio Network: A Two-Stage Market based on Con- tract and Stackelberg Game [ C]//IEEE WCNC, 2013: 1679-1684.
  • 7DUAN L, HUANG J, SHOU B. Duopoly Competition in Dynamic Spectrum Leasing and Pricing I J]. IEEE Trans- actions on Mobile Computing, 2012,11 ( 11 ) : 1706-1719.
  • 8CAO X, CHEN Y, LIU K. Cognitive Radio Networks with Heterogeneous Users How to Procure and Price the Spectrum [ J ]. IEEE Transactions on Wireless Commu~ nicaions, 2015,14 ( 3 ) : 1676-1688.
  • 9LIU Y, TAO M, HUANG J. An Auction Approach to Distributed Power Allocation for Multiuser Cooperative Networks [ J ]. IEEE Transactions on Mobile Compu- ting,2013,12( 1 ) :237-247.
  • 10YI C, CAI J. Two-Stage Spectrum Sharing With Combi- natorial Auction and Stackelberg Game in Recall-based Cognitive Radio Networks [ J ]. IEEE Transactions on Communications ,2014,62 ( 11 ) :3740-3752.

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电子科技
2015年 第3期

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