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A Joint Power Control and Cooperative Transmission Scheme in Random Networks

  • Dan Zhang
  • Xin Su
  • Lu Ge
  • Jie Zeng
  • Bei Liu
  • Xiangyun Zheng
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 258)

Abstract

In this paper, we consider the average spectrum efficiency of edge users under the random network model. In this model, the base stations (BSs) and the users exhibit Poisson distribution. By dividing the center and cell edge users, we use the multiple BSs that are closer to the edge users to cooperative with each other to transfer the users information to improve the average spectrum efficiency of the downlink edge users. We also adopt a distance-dependent power control scheme to further reduce inter-cell interference. Using the above method comprehensively, we derive the analytical expression of the spectral efficiency of the edge user. The performance of this scheme is evaluated through simulation results. Simulation results show that the spectrum efficiency is significantly improved compared to traditional user-centric transmission and non-power control cooperative schemes.

Keywords

Random geometry Cooperative transmission Power control Cell edge users Downlink spectral efficiency 

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2019

Authors and Affiliations

  • Dan Zhang
    • 1
  • Xin Su
    • 2
  • Lu Ge
    • 2
  • Jie Zeng
    • 2
  • Bei Liu
    • 2
  • Xiangyun Zheng
    • 2
  1. 1.Chongqing University of Posts and TelecommunicationsChongqingChina
  2. 2.Beijing National Research Center for Information Science and TechnologyTsinghua UniversityBeijingChina

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