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RAN Slicing to Realize Resource Isolation Utilizing Ordinary Radio Resource Management for Network Slicing

Daisuke NOJIMA, Yuki KATSUMATA, Yoshifumi MORIHIRO, Takahiro ASAI, Akira YAMADA, Shigeru IWASHINA

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Summary :

In the context of resource isolation for network slicing, this paper introduces two resource allocation methods especially for the radio access network (RAN) part. Both methods can be implemented by slight modification of the ordinary packet scheduling algorithm such as the proportional fairness algorithm, and guarantee resource isolation by limiting the maximum number of resource blocks (RBs) allocated to each slice. Moreover, since both methods flexibly allocate RBs to the entire system bandwidth, there are cases in which the throughput performance is improved compared to when the system bandwidth is divided in a static manner, especially in a frequency selective channel environment. Numerical results show the superiority of these methods to dividing simply the system bandwidth in a static manner, and show the difference between the features of the methods in terms of the throughput performance of each slice.

Publication
IEICE TRANSACTIONS on Communications Vol.E102-B No.3 pp.484-495
Publication Date
2019/03/01
Publicized
2018/09/20
Online ISSN
1745-1345
DOI
10.1587/transcom.2018NVP0003
Type of Manuscript
Special Section PAPER (Special Section on Network Virtualization and Network Softwarization for Diverse 5G Services)
Category

Authors

Daisuke NOJIMA
  NTT DOCOMO, INC.
Yuki KATSUMATA
  NTT DOCOMO, INC.
Yoshifumi MORIHIRO
  NTT DOCOMO, INC.
Takahiro ASAI
  NTT DOCOMO, INC.
Akira YAMADA
  NTT DOCOMO, INC.
Shigeru IWASHINA
  NTT DOCOMO, INC.

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