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A Markov Approximation Algorithm for Computation Offloading and Resource Scheduling in Mobile Edge Computing Read chapter Read first chapter

2019 | OriginalPaper | Chapter

Non-orthogonal Multiple Access in Coordinated LEO Satellite Networks

Authors : Tian Li, Xuekun Hao, Guoyan Li, Hui Li, Xinwei Yue

Published in: Cyberspace Data and Intelligence, and Cyber-Living, Syndrome, and Health

Publisher: Springer Singapore

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Abstract

Non-orthogonal multiple access (NOMA) has been widely considered to improve the spectral efficiency in terrestrial wireless networks. In this paper, we extend the idea to satellite networks and propose a NOMA-based scheme for coordinated low Earth orbit satellite systems, where the beam-edge user is supported by two satellites. By exploiting the difference of the equivalent downlink channel gains, users located both at the beam-center and beam-edge can be served simultaneously using NOMA. It is shown that the NOMA-based cooperative method is capable of providing a higher system capacity while guarantee the rate quality of the beam-edge user.

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Appendix
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Metadata
Title
Non-orthogonal Multiple Access in Coordinated LEO Satellite Networks
Authors
Tian Li
Xuekun Hao
Guoyan Li
Hui Li
Xinwei Yue
Copyright Year
2019
Publisher
Springer Singapore
Book
Cyberspace Data and Intelligence, and Cyber-Living, Syndrome, and Health

Print ISBN: 978-981-15-1924-6

Electronic ISBN: 978-981-15-1925-3

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-981-15-1925-3_5

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