Vehicle-mounted opportunistic network file scheduling and data transmission algorithm
A technology for data transmission and network files, applied in transmission systems, vehicle components, vehicle-to-vehicle communication, etc. It can solve the problems of wasting link resources, limiting network performance, and inability to flexibly schedule files, so as to improve the success rate and reduce consumption. , to avoid the effect of network-wide information scheduling
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[0048] A vehicle-mounted opportunistic network file scheduling and data transmission algorithm, including a wireless communication module arranged in the vehicle and a communication base station arranged near the driving road, specifically includes the following steps:
[0049] Step 1: Establish an encounter probability data transmission model based on speed difference and time interval, select an appropriate communication distance between the vehicle and the intermediate node and provide an effective theoretical analysis tool for completing data transmission;
[0050] a1: if Figure 5 As shown, since the speed difference and the time interval between vehicles traveling on the road are random and their values cannot be determined, the vehicle speed difference and the time interval between vehicles satisfy the probability distribution of continuous random variables;
[0051] The time when the previous vehicle A enters the coverage area of the base station is denoted as t A...
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