The heterogeneous characteristics of deep space exploration networks and the long duration of the exploration process require that the deep space exploration network has the ability to perceive communication protocols and self-reconfigure communication protocols to meet the needs of deep space exploration multi-task objectives. This paper discusses the composition and characteristics of deep space exploration networks. Based on the analysis of the frame structure of link layer protocols such as IEEE802.3 and HDLC, the perception algorithm based on the majority decision criterion is studied. Considering the time-varying nature of the deep space channel, an algorithm based on weighted average of perception state information is proposed. Simulation results show that the performance of the proposed algorithm is better than the perception algorithm based on the majority decision criterion. Keywords: deep space exploration; heterogeneous network; link layer; protocol perception
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