Abstract
Due to the complementary natures of visible light communication (VLC) and radio frequency, a combined application is regarded as a promising approach of supporting both hyperspeed data transmission and reliable signal connectivity. Vertical handover (VHO) is critical for guaranteeing seamless service in such a heterogeneous network. This letter employs a family hybrid VLC-Femto system and proposes a VHO algorithm based on decision selection. Our approach considers multiple attributes, including dynamic network parameters and actual traffic preferences by utilizing analytic hierarchy process (AHP). Additionally, it can compensate for the weakness of classic AHP in comparing the criteria values of different candidates by applying a two-person cooperative game (CG) model. Finally, the rationality degree (RD) of each decision is calculated by combining the results of AHP and CG, and the decision with the higher RD is selected. The simulation results validate the superiority of the proposed AHP-CG VHO algorithm over existing schemes under various circumstances.
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