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A tradeoff between throughput and energy efficiency for D2D underlaying communication systems

Author

Listed:
  • Yongjun Sun

    (Xidian University)

  • Wanting Wu

    (Xidian University)

  • Xiaojing Zuo

    (Xidian University)

  • Zujun Liu

    (Xidian University)

Abstract

Device-to-device (D2D) underlaying communication systems can improve the system throughput. However, the spectrum reuse will bring the co-channel interference, which will make it difficult to improve both the energy efficiency and the system throughput. In order to balance the energy efficiency and the system throughput, this letter proposes a new resource allocation strategy. First, a mode selection scheme is proposed by delimiting the D2D interference-restricted area. Then a distance-based resource allocation method is proposed to increase the system throughput. Finally, by modifying the objective function and applying the differential evolution algorithm for power optimization, the higher energy efficiency is obtained while the system throughput approaches the maximum value. Simulation results show that compared with the traditional stochastic resource allocation scheme, the proposed scheme can improve the system throughput. Moreover, the proposed algorithm can make the system throughput close to the maxima while obtaining higher energy efficiency.

Suggested Citation

  • Yongjun Sun & Wanting Wu & Xiaojing Zuo & Zujun Liu, 2019. "A tradeoff between throughput and energy efficiency for D2D underlaying communication systems," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 72(4), pages 633-639, December.
    • Handle: RePEc:spr:telsys:v:72:y:2019:i:4:d:10.1007_s11235-019-00621-4
    DOI: 10.1007/s11235-019-00621-4
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    References listed on IDEAS

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    1. Farooq Alam Orakzai & Muhammad Iqbal & Muhammad Naeem & Ayaz Ahmad, 2018. "Energy efficient joint radio resource management in D2D assisted cellular communication," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 69(4), pages 505-517, December.
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