A universal satellite communication network management system is designed, which includes two-level devices i. e. Network management Center and Remote Monitor and Control device.

设计了一种通用二级管理体制的卫星通信网络管理系统：网管中心——远端监控设备体制。

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For multiple access communication systems with high propagation delay (e. g., satellite communication systems), an active repeat random access protocol is proposed.

针对具有长传播时延的多址系统(如卫星通信系统)，提出了主动重发的随机多址协议。

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