Abstract
Under the background of increasing pressure of satellite communication support, reasonable and efficient dispatch of communication satellite resources is an important means to improve the utilization efficiency of communication resources. Aiming at the resource scheduling task requirements of geostationary orbit communication satellite system, communication satellite resource scheduling (CSRS) model is established first of all, based on this, advances a kind of CSRS method based on improved whale optimization algorithm. In this method, the detection and search strategy is proposed and the crossover mutation operator is used to avoid the algorithm falling into local optimum. Simulation results show that IWOA can effectively improve the quality and stability of satellite resource scheduling.
Highlights
Satellite communication refers to the communication method that uses satellites as relay stations to relay radio signals between multiple earth stations or user terminals, realizing information exchange and information transmission between them
The current broadband communication satellite system in China is in the construction stage, and the communication capacity is insufficient, so it is necessary to meet more task requirements as far as possible under the circumstance of limited resources
Communication satellite resource scheduling can be modeled as the following mathematical model: N
Summary
Satellite communication refers to the communication method that uses satellites as relay stations to relay radio signals between multiple earth stations or user terminals, realizing information exchange and information transmission between them. After entering the 21st century, GEO broadband satellite communication system develops rapidly and provides a flexible and efficient satellite communication mode for the interconnection application of high data bandwidth and multimedia. Intelligent optimization algorithms have been used to solve multi-satellite and multi-task problems. The above algorithms can solve the communication satellite resource scheduling problem well, but with the increasing complexity of communication tasks and satellite resources, the performance requirements of optimization algorithms are becoming higher and higher. Whale algorithm is applied to solve the communication satellite resource scheduling problem to obtain the high quality resource scheduling scheme
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