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| 1 | 基于随机接入的空天地海一体化网络性能分析显示文摘性能分析是对空天地海一体化网络进行性能优化的理论基础和重要手段,然而,网络中各异构子网使用不同的通信介质与网络协议,传统的模型无法分析多介质异构网络性能。针对上述问题,基于随机接入的媒体访问控制协议,建立空天地海一体化网络性能分析模型,结合水声通信与无线通信特征分析,可得吞吐量、延时两个网络性能指标。实验结果表明,该模型可为随机接入空天地海一体化网络提供最佳的网络参数,从而提高网络性能。 | 陈浩 郭佳妮 宋姗姗 刘军 崔军红 | 2022 | 移动通信2022，46，10： | 1 |
| 2 | Energy-efficient UAV-NOMA aided wireless coverage with massive connections显示文摘In this paper, we propose an unmanned aerial vehicle(UAV)-assisted wireless coverage scheme,wherein UAVs help to serve the cell-edge users for ground base stations based on non-orthogonal multiple access(NOMA). The combined benefits of wide coverage and massive connections enable UAV-NOMA-aided wireless coverage to effectively meet the requirements of the Internet of Everything. Meanwhile, energy efficiency(EE) is maximized via resource allocation to address the issue of the power supply bottleneck of UAVs. The non-convex optimization problem is transformed into two convex subproblems of trajectory optimization and power allocation, and an iterative alternating optimization algorithm is proposed to address it effectively. Moreover, we further considered the energy consumption of the ground base stations, effectively minimizing it by optimizing precoding while guaranteeing average throughput. Numerical results verify the effectiveness of the proposed UAV-aided wireless coverage scheme and demonstrate the EE improvement. | Yuqiao TONG Min SHENG Junyu LIU Nan ZHAO | 2023 | Science China(Information Sciences)2023，66，12： | 0 |
| 3 | 无人机集群控制技术研究显示文摘无人机在军事、民用等领域都扮演着极其重要的角色,单架无人机往往不能满足实际需求,而无人机集群不仅可以弥补单架无人机在其执行任务时的固有缺陷,实现能力互补、高效完成任务,而且无人机集群的协同控制可以更合理地利用、整合资源,使整体性能或整体效益达到最大。因此,从无人机集群任务分配的集中式、分布式、集散式控制系统结构3个方面进行全面的分析和总结,同时就这3种结构的任务分配方法、信息传输方式以及优缺点、适用范围进行了深度的剖析和阐述,为无人机集群任务分配控制发展提供理论基础,对未来无人机集群控制技术提供一定的参考。 | 费陈 郑晗 赵亮 | 2023 | 弹箭与制导学报2023，43，3： | 0 |
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