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IEICE TRANSACTIONS on Fundamentals

Energy Efficient Resource Allocation for Downlink Cooperative Non-Orthogonal Multiple Access Systems

Zi-fu FAN, Qu CHENG, Zheng-qiang WANG, Xian-hui MENG, Xiao-yu WAN

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Summary :

In this letter, we study the resource allocation for the downlink cooperative non-orthogonal multiple access (NOMA) systems based on the amplifying-and-forward protocol relay transmission. A joint power allocation and amplification gain selection scheme are proposed. Fractional programming and the iterative algorithm based on the Lagrangian multiplier are used to allocate the transmit power to maximize the energy efficiency (EE) of the systems. Simulation results show that the proposed scheme can achieve higher energy efficiency compared with the minimum power transmission (MPT-NOMA) scheme and the conventional OMA scheme.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.9 pp.1603-1607
Publication Date
2018/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.1603
Type of Manuscript
LETTER
Category
Communication Theory and Signals

Authors

Zi-fu FAN
  Chongqing University of Posts and Telecommunications
Qu CHENG
  Chongqing University of Posts and Telecommunications
Zheng-qiang WANG
  Chongqing University of Posts and Telecommunications
Xian-hui MENG
  Chongqing University of Posts and Telecommunications
Xiao-yu WAN
  Chongqing University of Posts and Telecommunications

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