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Optimal power control for real-time applications in cognitive satellite terrestrial networks

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journal contribution
posted on 26.05.2017, 11:21 by Shengchao Shi, Guangxia Li, Kang An, Zhiqiang Li, Gan ZhengGan Zheng
Cognitive satellite terrestrial networks have received considerable attention as a promising candidate to address the spectrum scarcity problem in future wireless communications. When satellite networks act as cognitive users in the networks, power control is a significant research challenge in the uplink case, especially for real-time applications. In this context, we propose two optimal power control schemes with the objectives of maximizing the delay-limited capacity and outage capacity, respectively, which are useful performance indicators for real-time applications. From the long-term and short-term aspects, average and peak power constraints are adopted respectively at the satellite user to limit the harmful interference caused to the terrestrial base station (BS). Extensive numerical results are given to demonstrate the impact of interference constraints and channel condition parameters on the performance limits of satellite users.

Funding

This work is supported by National Natural Science Foundation of China (No. 61571464, 61601511, 91338201, 91438109 and 61401507).

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

IEEE Communications Letters

Pages

1 - 1

Citation

SHI, S. ... et al, 2017. Optimal power control for real-time applications in cognitive satellite terrestrial networks. IEEE Communications Letters, 21(8), pp.1815-1818.

Publisher

© IEEE

Version

AM (Accepted Manuscript)

Publication date

2017

Notes

© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

ISSN

1089-7798

Language

en