Energy-efficient user association and cell sleeping strategy for multi-tier ultra-dense small cell networks

In this letter, the authors formulate the energy-efficient user association and cell sleeping optimisation problem which applies to the multi-tier ultradense network scenarios as a complex 0–1 integer programming and propose an alternating iterative method to solve the problem via two low-complexity...

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Vydáno v:	Electronics letters Ročník 54; číslo 12; s. 787 - 789
Hlavní autoři:	Sun, Yang, Chang, Yongyu
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	The Institution of Engineering and Technology 14.06.2018
Témata:	alternating iterative method cell sleeping optimisation problem cellular radio complex integer programming energy consumption energy‐efficient user association iterative methods low‐complexity sub‐problems multitier ultradense network scenarios multitier ultra‐dense small cell networks optimisation power consumption telecommunication power management Wireless communications iterative methods multitier ultradense network scenarios low-complexity sub-problems complex integer programming telecommunication power management multitier ultra-dense small cell networks power consumption optimisation energy-efficient user association alternating iterative method energy consumption cellular radio cell sleeping optimisation problem
ISSN:	0013-5194, 1350-911X, 1350-911X
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Shrnutí:	In this letter, the authors formulate the energy-efficient user association and cell sleeping optimisation problem which applies to the multi-tier ultradense network scenarios as a complex 0–1 integer programming and propose an alternating iterative method to solve the problem via two low-complexity sub-problems. The simulation results show that the proposed strategy can steadily reduce overall energy consumption compared with the existing strategies.
ISSN:	0013-5194 1350-911X 1350-911X
DOI:	10.1049/el.2018.0945