On the ergodic capacity of NOMA-based cognitive hybrid satellite terrestrial networks

Xiaojuan Yan, Hailin Xiao, Cheng-Xiang Wang, Kang An

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

The cognitive hybrid satellite terrestrial networks (CHSTN) is regarded as an effective way to enhance the spectrum efficiency as well as mitigate the spectrum scarcity problem. In this paper, we introduce a non-orthogonal multiple access (NOMA) scheme, which has the ability to simultaneously serve multiple users, in the cognitive network to further improve the utilization of radio spectrum. With the help of Meijer-G functions, the analytical expression for ergodic capacity of the considered system is derived. Simulations are provided to show the advantage of introducing the NOMA scheme in the cognitive system and the effects of some parameters on the performance of the considered network.

Original languageEnglish
Title of host publication2017 IEEE/CIC International Conference on Communications in China (ICCC)
PublisherIEEE
ISBN (Electronic)9781538645024
DOIs
Publication statusPublished - 5 Apr 2018

Keywords

  • Cognitive hybrid satellite terrestrial networks
  • ergodic capacity
  • non-orthogonal multiple access scheme

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications
  • Signal Processing

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