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Transmission Power Control and Routing Strategy Based on Differential Games in Deep Space Exploration

机译:基于差分博弈的深空探测发射功率控制与路由策略

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摘要

The spectrum resource is a kind of scarce resource in the deep space exploration, the total bandwidth need for deep space communication is related to the required data rates, the number of spacecrafts, and the extent of spectrum frequency sharing. Future requirements of deep space communication may need to accommodate more spacecrafts within a particular band allocation, so the spread spectrum and multiple access techniques are widely used in deep space communications. And for the purpose of save power and reduce mutual interference, transmission power control may be introduced in the communication process. In this paper, a noncooperative differential game is proposed, and a power control algorithm is get from the equilibrium of the game, the results show that the algorithm can effectively reduce mutual interference, and also provide a way of route setup through relay nodes selection.
机译:频谱资源是深空探测中的一种稀缺资源,深空通信的总带宽需求与所需的数据速率,航天器的数量以及频谱频率共享的程度有关。深空通信的未来需求可能需要在特定的频段分配中容纳更多的航天器,因此扩展频谱和多址技术已广泛用于深空通信中。并且出于节省功率和减少相互干扰的目的,可以在通信过程中引入传输功率控制。本文提出了一种不合作的差分博弈,并从博弈均衡中得到了一种功率控制算法,结果表明该算法可以有效地减少相互干扰,并提供一种通过中继节点选择的路由建立方式。

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