A Bipartite Matching Based User Pairing Scheme for Hybrid VLC-RF NOMA Systems

Yu Han, Xiaotian Zhou, Liuqing Yang, Shanshan Li

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

6 Scopus citations

Abstract

In this paper, we present a hybrid Visible Light Communication (VLC) and Radio Frequency (RF) based Non-Orthogonal Multiple Access (NOMA) system to extend the coverage of VLC and support multi-user communications at the same time. In the proposed system, all users are divided into multiple user pairs, where the near user who can receive the visible light signal directly would help forward the information to its paired far user through RF transmission. To achieve that, NOMA is adopted during the VLC phase so the near user is able to receive not only its own but also the information for its paired user. Aiming at minimizing the outage probability of system, we formulate the optimal user pairing problem and convert it into the one of finding the maximum weighted matching in a bipartite graph. Kuhn-Munkres (KM) algorithm is utilized to solve the problem. Simulation results demonstrate that the system performance is markedly improved with our proposed scheme.

Original languageEnglish (US)
Title of host publication2018 International Conference on Computing, Networking and Communications, ICNC 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages480-485
Number of pages6
ISBN (Electronic)9781538636527
DOIs
StatePublished - Jun 19 2018
Externally publishedYes
Event2018 International Conference on Computing, Networking and Communications, ICNC 2018 - Maui, United States
Duration: Mar 5 2018Mar 8 2018

Publication series

Name2018 International Conference on Computing, Networking and Communications, ICNC 2018

Conference

Conference2018 International Conference on Computing, Networking and Communications, ICNC 2018
CountryUnited States
CityMaui
Period3/5/183/8/18

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