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  • 8 - Power Control in Full-duplex Ultra-dense Heterogeneous Networks

  • from Part II - Physical Layer Design
  • Edited by Haijun Zhang, Jemin Lee, Tony Q. S. Quek, Singapore University of Technology and Design, Chih-Lin I
  • Book:
    Ultra-dense Networks
    Published online:
    12 October 2020
    Print publication:
    26 November 2020, pp 127-140

  • Summary

    Full duplex ultra-dense network (FDUDN) is envisioned as a promising network paradigm for spectrum efficiency enhancement. This chapter presents a power management scheme, which maximizes the total capacity of FDUDN, under given Quality-of-Service (QoS) and cross-tier interference constraints. The inter-cell power control is formulated as a non-convex optimization problem and the variable substitution is used to transform it into a convex one. Furthermore, the problem is solved through a low-complexity heuristic scheme, which utilizes the water-filling theorem in inter-cell power allocation. Simulation demonstrates the enhancement effect of the proposed scheme in terms of the capacity and the power efficiency.