Telecommunications Science ›› 2016, Vol. 32 ›› Issue (6): 20-27.doi: 10.11959/j.issn.1000-0801.2016162

• Topic:5G • Previous Articles     Next Articles

Fog computing based radio access networks:architecture,principles and challenges

Bonan YIN,Yuan AI,Mugen PENG   

  1. Beijing University of Posts and Telecommunications,Beijing 100876,China
  • Online:2016-06-20 Published:2016-07-20
  • Supported by:
    The National Key Basic Research Program of China(973 Program);The National Natural Science Foundation of China;The National Program for Special Support of Eminent Professionals

Abstract:

To reduce the burden of fronthaul link,avoid large-scale wireless signal processing in centralized baseband unit(BBU)pool,and take full advantage of processing and storage capabilities in edge devices,a fog computing based radio access network(F-RAN)was presented as an evolution form of heterogeneous cloud radio access networks.The core idea of F-RAN was to take full advantage of processing and storage capabilities in edge devices which could achieve the local distributed content delivery,the local distributed collaboration radio signal processing and the local distributed cooperative radio resource management functions.System architectures of F-RAN,promising key techniques,and researching open issues of F-RAN were discussed in detail.

Key words: fog computing based radio access network, fog computing, edge cloud, edge caching

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