Train-to-wayside (T2W) and train-to-train (T2T) communication mode may coexist in future train-centric communication-based train control (CBTC) systems. The feasibility of train-to-train communication in urban rail transit is analyzed first. Referring to the D2D communication scenario in the general cellular network, this paper establishes a radio resource optimization model for the coexistence of train-to-train communication and train-to-wayside communication. Aiming at scheduling radio time-frequency resources in the dedicated frequency band more efficiently, we propose a Stackelberg game based radio resource management algorithm based on the consideration of different service priorities of trains. The results show that the proposed algorithm can effectively guarantee the performance of the system and improve the reliability of the CBTC system.
Radio resource management algorithm for urban rail transit communication system based on Stackelberg game
2021-04-01
1893115 byte
Conference paper
Electronic Resource
English
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