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Cloud radio access network (C-RAN): a primer

Wu, Jun ; Zhang, Zhifeng ; Hong, Yu ; Wen, Yonggang

IEEE network, 2015-01, Vol.29 (1), p.35-41 [Peer Reviewed Journal]

New York: IEEE

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  • Title:
    Cloud radio access network (C-RAN): a primer
  • Author: Wu, Jun ; Zhang, Zhifeng ; Hong, Yu ; Wen, Yonggang
  • Subjects: Algorithms ; Architecture ; Architecture (computers) ; Base stations ; Cloud computing ; Communications networks ; Computer architecture ; Interference ; Internet ; Mobile communication ; Networks ; Operators ; Planes ; Power demand ; Radio ; Radio access networks ; Radio communication ; Resource management
  • Is Part Of: IEEE network, 2015-01, Vol.29 (1), p.35-41
  • Notes: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Description: In the era of mobile Internet, mobile operators are facing pressure on ever-increasing capital expenditures and operating expenses with much less growth of income. Cloud Radio Access Network (C-RAN) is expected to be a candidate of next generation access network techniques that can solve operators' puzzle. In this article, on the basis of a general survey of C-RAN, we present a novel logical structure of C-RAN that consists of a physical plane, a control plane, and a service plane. Compared to traditional architecture, the proposed C-RAN architecture emphasizes the notion of service cloud, service-oriented resource scheduling and management, thus it facilitates the utilization of new communication and computer techniques. With the extensive computation resource offered by the cloud platform, a coordinated user scheduling algorithm and parallel optimum precoding scheme are proposed, which can achieve better performance. The proposed scheme opens another door to design new algorithms matching well with C-RAN architecture, instead of only migrating existing algorithms from traditional architecture to C-RAN.
  • Publisher: New York: IEEE
  • Language: English
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