Energy-Efficient Resource Optimization with Wireless Power Transfer for Secure NOMA Systems
Lei, L., Chang, Z., Hu, Y., Ristaniemi, T., Yuan, Y., & Chatzinotas, S. (2019). Energy-Efficient Resource Optimization with Wireless Power Transfer for Secure NOMA Systems. In ICCC 2018 : IEEE/CIC International Conference on Communications in China. IEEE. https://doi.org/10.1109/iccchina.2018.8641140
Date
2019Copyright
© 2018 IEEE/CIC International Conference on Communications in China (ICCC).
In this paper, we investigate resource allocation algorithm design for secure non-orthogonal multiple access (NOMA)
systems empowered by wireless power transfer. With the consideration of an existing eavesdropper, the objective is to obtain
secure and energy efficient transmission among multiple users
by optimizing time, power and subchannel allocation. Moreover,
we also take into consideration for the practical case that the
statistics of the channel state information of the eavesdropper
is not available. In order to address the optimization problem
and its high computational complexity, we propose an iterative
algorithm with guaranteed convergence to deliver a suboptimal
solution for general cases. For some special cases, the solution
ensures the global optimum. Numerical studies demonstrate
the competitiveness of the proposed algorithmic solution over
conventional orthogonal multiple access systems as well as over
other existing NOMA resource allocation schemes.
Publisher
IEEEParent publication ISBN
978-1-5386-7006-4Conference
IEEE/CIC International Conference on Communications in ChinaIs part of publication
ICCC 2018 : IEEE/CIC International Conference on Communications in ChinaKeywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/28925671
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