The methods to implementate self optimisation in LTE system

  • Lixiang X
  • Chengjun S
  • Xiaoqiang L
 et al. 
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Abstract

Reduction of operational efforts and complexity are key drivers for RAN long term evolution (LTE). The mechanisms how to ease network performance analyses and problem findings, reduce efforts in maintaining the network becomes hot topic. By introducing self-organizing network (SON) functions, operational efforts are expected to be greatly minimized. A self optimizing function shall increase network performance and quality reacting to dynamic processes in the network. In the heterogeneous deployment scenarios, the efforts to set up and optimize are significant and traditionally lead to lengthy periods of getting an optimum and stable system setup. This paper analyzed some methods to implement self optimization in LTE RAN system. Especially in the co-existence of eNB, home eNB (HeNB), 3G home node B (HNB) etc., how to make the system work in optimized state was elaborated and new methods were proposed. In this paper, the concept of H(e)NB is used to cover both of HNB and HeNB.

Author-supplied keywords

  • Coverage and capacity optimization
  • Energy saving
  • H(e)NB
  • HNB
  • HeNB
  • Interference reduction
  • LTE
  • SON
  • Self configuration
  • Self optimization

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Authors

  • Xu Lixiang

  • Sun Chengjun

  • Li Xiaoqiang

  • Lim Chaegwon

  • He Hong

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