多层卫星网络资源混合优化策略  

A Resource Combined Optimization Algorithm for STDMA MAC Protocols in Multi-layer Satellite Networks

作　　者：徐炎 崔司千 XU Yan;CUI Siqian(Chinacomm Design&Consulting CO.,LTD,Beijing 100070,China;China Academy of Electronics and Information Technology,Beijing 100041,China)

机构地区：[1]北京中网华通设计咨询有限公司,北京100070 [2]中国电子科学研究院,北京100041

出　　处：《无线电工程》2020年第8期711-716,共6页Radio Engineering

摘　　要：以功率效率最大化为目标,设计适用于STDMA多层卫星网络的频率及功率混合优化算法。构建了上述混合优化问题的最优化模型,并推导出了与该最优化模型等价的线性规划问题。根据线性规划问题设计了一种连续递归动态规划求解算法,并设计了一种提高效率的功率控制算法,基于功率控制算法设计了一种可以优化功率策略的时隙共享方法。在功率、吞吐量消耗2个方面论证了时隙共享策略的特点及性能。An Optimal Power Control(OPC) algorithm for STDMA is proposed to maximize the power efficiency and system resource usage of multi-layer stellite networks.First,a hybrid optimal model for the above problem is built,then an equivalent linear programming model is derived.After that,a dynamic recursive algorithm to obtain solutions is developed.At last,it is proved that the proposed OPC algorithm can maximize the number of simulataneous transmissions in a given time slot and have advantages in power cousumption and throughput.

关 键 词：多层卫星网络 STDMA 时隙共享 资源混合优化 背包问题 

分 类 号：TN393[电子电信—物理电子学]